diff options
Diffstat (limited to 'resources/grub')
6 files changed, 2859 insertions, 0 deletions
diff --git a/resources/grub/patches/0003-Add-CC0-license.patch b/resources/grub/patches/0003-Add-CC0-license.patch new file mode 100644 index 00000000..dc9060c3 --- /dev/null +++ b/resources/grub/patches/0003-Add-CC0-license.patch @@ -0,0 +1,42 @@ +From de6e7cc62522ce1be21bd2f06e7c15cd234b5426 Mon Sep 17 00:00:00 2001 +From: Ax333l <main@axelen.xyz> +Date: Thu, 17 Aug 2023 00:00:00 +0000 +Subject: [PATCH 1/6] Add CC0 license + +Signed-off-by: Nicholas Johnson <nick@nicholasjohnson.ch> +--- + grub-core/kern/dl.c | 3 ++- + util/grub-module-verifierXX.c | 3 ++- + 2 files changed, 4 insertions(+), 2 deletions(-) + +diff --git a/grub-core/kern/dl.c b/grub-core/kern/dl.c +index 0bf40caa6..4011e2d15 100644 +--- a/grub-core/kern/dl.c ++++ b/grub-core/kern/dl.c +@@ -470,7 +470,8 @@ grub_dl_check_license (grub_dl_t mod, Elf_Ehdr *e) + + if (grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv3") == 0 + || grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv3+") == 0 +- || grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv2+") == 0) ++ || grub_strcmp ((char *) e + s->sh_offset, "LICENSE=GPLv2+") == 0 ++ || grub_strcmp ((char *) e + s->sh_offset, "LICENSE=CC0") == 0) + return GRUB_ERR_NONE; + + return grub_error (GRUB_ERR_BAD_MODULE, +diff --git a/util/grub-module-verifierXX.c b/util/grub-module-verifierXX.c +index a42c20bd1..7157a30aa 100644 +--- a/util/grub-module-verifierXX.c ++++ b/util/grub-module-verifierXX.c +@@ -236,7 +236,8 @@ check_license (const char * const filename, + Elf_Shdr *s = find_section (arch, e, ".module_license", module_size); + if (s && (strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv3") == 0 + || strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv3+") == 0 +- || strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv2+") == 0)) ++ || strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv2+") == 0 ++ || strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=CC0") == 0)) + return; + grub_util_error ("%s: incompatible license", filename); + } +-- +2.39.2 + diff --git a/resources/grub/patches/0004-Define-GRUB_UINT32_MAX.patch b/resources/grub/patches/0004-Define-GRUB_UINT32_MAX.patch new file mode 100644 index 00000000..be875e67 --- /dev/null +++ b/resources/grub/patches/0004-Define-GRUB_UINT32_MAX.patch @@ -0,0 +1,39 @@ +From 9edaaffac91d593a439e44bac3b6f5558f5a8245 Mon Sep 17 00:00:00 2001 +From: Ax333l <main@axelen.xyz> +Date: Thu, 17 Aug 2023 00:00:00 +0000 +Subject: [PATCH 2/6] Define GRUB_UINT32_MAX + +Signed-off-by: Nicholas Johnson <nick@nicholasjohnson.ch> +--- + include/grub/types.h | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/include/grub/types.h b/include/grub/types.h +index 0d96006fe..a13f3a60b 100644 +--- a/include/grub/types.h ++++ b/include/grub/types.h +@@ -156,6 +156,7 @@ typedef grub_int32_t grub_ssize_t; + #define GRUB_SHRT_MAX 0x7fff + #define GRUB_SHRT_MIN (-GRUB_SHRT_MAX - 1) + #define GRUB_UINT_MAX 4294967295U ++#define GRUB_UINT32_MAX 4294967295U + #define GRUB_INT_MAX 0x7fffffff + #define GRUB_INT_MIN (-GRUB_INT_MAX - 1) + #define GRUB_INT32_MAX 2147483647 +@@ -177,6 +178,13 @@ typedef grub_int32_t grub_ssize_t; + #define GRUB_TYPE_U_MAX(type) ((unsigned long long)((typeof (type))(~0))) + #define GRUB_TYPE_U_MIN(type) 0ULL + ++# define GRUB_UINT32_C(x) x ## U ++# if GRUB_ULONG_MAX >> 31 >> 31 >> 1 == 1 ++# define GRUB_UINT64_C(x) x##UL ++# elif 1 ++# define GRUB_UINT64_C(x) x##ULL ++# endif ++ + typedef grub_uint64_t grub_properly_aligned_t; + + #define GRUB_PROPERLY_ALIGNED_ARRAY(name, size) grub_properly_aligned_t name[((size) + sizeof (grub_properly_aligned_t) - 1) / sizeof (grub_properly_aligned_t)] +-- +2.39.2 + diff --git a/resources/grub/patches/0005-Add-Argon2-algorithm.patch b/resources/grub/patches/0005-Add-Argon2-algorithm.patch new file mode 100644 index 00000000..1c6b4f04 --- /dev/null +++ b/resources/grub/patches/0005-Add-Argon2-algorithm.patch @@ -0,0 +1,2611 @@ +From 5b63da5c4267933f573ca37ce39a073098c443ba Mon Sep 17 00:00:00 2001 +From: Ax333l <main@axelen.xyz> +Date: Thu, 17 Aug 2023 00:00:00 +0000 +Subject: [PATCH 3/6] Add Argon2 algorithm + +Signed-off-by: Nicholas Johnson <nick@nicholasjohnson.ch> +--- + docs/grub-dev.texi | 64 +++ + grub-core/Makefile.core.def | 8 + + grub-core/lib/argon2/LICENSE | 314 +++++++++++ + grub-core/lib/argon2/argon2.c | 232 ++++++++ + grub-core/lib/argon2/argon2.h | 264 +++++++++ + grub-core/lib/argon2/blake2/blake2-impl.h | 151 ++++++ + grub-core/lib/argon2/blake2/blake2.h | 89 +++ + grub-core/lib/argon2/blake2/blake2b.c | 388 ++++++++++++++ + .../lib/argon2/blake2/blamka-round-ref.h | 56 ++ + grub-core/lib/argon2/core.c | 506 ++++++++++++++++++ + grub-core/lib/argon2/core.h | 228 ++++++++ + grub-core/lib/argon2/ref.c | 190 +++++++ + 12 files changed, 2490 insertions(+) + create mode 100644 grub-core/lib/argon2/LICENSE + create mode 100644 grub-core/lib/argon2/argon2.c + create mode 100644 grub-core/lib/argon2/argon2.h + create mode 100644 grub-core/lib/argon2/blake2/blake2-impl.h + create mode 100644 grub-core/lib/argon2/blake2/blake2.h + create mode 100644 grub-core/lib/argon2/blake2/blake2b.c + create mode 100644 grub-core/lib/argon2/blake2/blamka-round-ref.h + create mode 100644 grub-core/lib/argon2/core.c + create mode 100644 grub-core/lib/argon2/core.h + create mode 100644 grub-core/lib/argon2/ref.c + +diff --git a/docs/grub-dev.texi b/docs/grub-dev.texi +index a695b02f0..313335a53 100644 +--- a/docs/grub-dev.texi ++++ b/docs/grub-dev.texi +@@ -503,11 +503,75 @@ GRUB includes some code from other projects, and it is sometimes necessary + to update it. + + @menu ++* Argon2:: + * Gnulib:: + * jsmn:: + * minilzo:: + @end menu + ++@node Argon2 ++@section Argon2 ++ ++Argon2 is a key derivation function used by LUKS2 in order to derive encryption ++keys from a user-provided password. GRUB imports the official reference ++implementation of Argon2 from @url{https://github.com/P-H-C/phc-winner-argon2}. ++In order to make the library usable for GRUB, we need to perform various ++conversions. This is mainly due to the fact that the imported code makes use of ++types and functions defined in the C standard library, which isn't available. ++Furthermore, using the POSIX wrapper library is not possible as the code needs ++to be part of the kernel. ++ ++Updating the code can thus be performed like following: ++ ++@example ++$ git clone https://github.com/P-H-C/phc-winner-argon2 argon2 ++$ cp argon2/include/argon2.h argon2/src/@{argon2.c,core.c,core.h,ref.c@} \ ++ grub-core/lib/argon2/ ++$ cp argon2/src/blake2/@{blake2-impl.h,blake2.h,blake2b.c,blamka-round-ref.h@} \ ++ grub-core/lib/argon2/blake2/ ++$ sed -e 's/UINT32_C/GRUB_UINT32_C/g' \ ++ -e 's/UINT64_C/GRUB_UINT64_C/g' \ ++ -e 's/UINT32_MAX/GRUB_UINT32_MAX/g' \ ++ -e 's/CHAR_BIT/GRUB_CHAR_BIT/g' \ ++ -e 's/UINT_MAX/GRUB_UINT_MAX/g' \ ++ -e 's/uintptr_t/grub_addr_t/g' \ ++ -e 's/size_t/grub_size_t/g' \ ++ -e 's/uint32_t/grub_uint32_t/g' \ ++ -e 's/uint64_t/grub_uint64_t/g' \ ++ -e 's/uint8_t/grub_uint8_t/g' \ ++ -e 's/memset/grub_memset/g' \ ++ -e 's/memcpy/grub_memcpy/g' \ ++ -e 's/malloc/grub_malloc/g' \ ++ -e 's/free/grub_free/g' \ ++ -e 's/#elif _MSC_VER/#elif defined(_MSC_VER)/' \ ++ grub-core/lib/argon2/@{*,blake2/*@}.@{c,h@} -i ++@end example ++ ++Afterwards, you need to perform the following manual steps: ++ ++@enumerate ++@item Remove all includes of standard library headers, "encoding.h" and ++ "thread.h". ++@item Add includes <grub/mm.h> and <grub/misc.h> to "argon2.h". ++@item Add include <grub/dl.h> and module license declaration to "argon2.c". ++@item Remove the following declarations and functions from "argon2.h" and ++ "argon2.c": argon2_type2string, argon2i_hash_encoded, argon2i_hash_raw, ++ argon2d_hash_encoded, argon2d_hash_raw, argon2id_hash_encoded, ++ argon2id_hash_raw, argon2_compare, argon2_verify, argon2i_verify, ++ argon2d_verify, argon2id_verify, argon2d_ctx, argon2i_ctx, argon2id_ctx, ++ argon2_verify_ctx, argon2d_verify_ctx, argon2i_verify_ctx, ++ argon2id_verify_ctx, argon2_encodedlen. ++@item Move the declaration of `clear_internal_memory()` in "blake2-impl.h" to ++ "blake2b.c". ++@item Remove code guarded by the ARGON2_NO_THREADS macro. ++@item Remove parameters `encoded` and `encodedlen` from `argon2_hash` and remove ++ the encoding block in that function. ++@item Remove parameter verifications in `validate_inputs()` for ++ ARGON2_MIN_PWD_LENGTH, ARGON2_MIN_SECRET, ARGON2_MIN_AD_LENGTH and ++ ARGON2_MAX_MEMORY to fix compiler warnings. ++@item Mark the function argon2_ctx as static. ++@end enumerate ++ + @node Gnulib + @section Gnulib + +diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def +index d2cf29584..4a06789e5 100644 +--- a/grub-core/Makefile.core.def ++++ b/grub-core/Makefile.core.def +@@ -1215,6 +1215,14 @@ module = { + common = lib/json/json.c; + }; + ++module = { ++ name = argon2; ++ common = lib/argon2/argon2.c; ++ common = lib/argon2/core.c; ++ common = lib/argon2/ref.c; ++ common = lib/argon2/blake2/blake2b.c; ++}; ++ + module = { + name = afsplitter; + common = disk/AFSplitter.c; +diff --git a/grub-core/lib/argon2/LICENSE b/grub-core/lib/argon2/LICENSE +new file mode 100644 +index 000000000..97aae2925 +--- /dev/null ++++ b/grub-core/lib/argon2/LICENSE +@@ -0,0 +1,314 @@ ++Argon2 reference source code package - reference C implementations ++ ++Copyright 2015 ++Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ ++You may use this work under the terms of a Creative Commons CC0 1.0 ++License/Waiver or the Apache Public License 2.0, at your option. 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However, in accepting such obligations, You may act only ++ on Your own behalf and on Your sole responsibility, not on behalf ++ of any other Contributor, and only if You agree to indemnify, ++ defend, and hold each Contributor harmless for any liability ++ incurred by, or claims asserted against, such Contributor by reason ++ of your accepting any such warranty or additional liability. +diff --git a/grub-core/lib/argon2/argon2.c b/grub-core/lib/argon2/argon2.c +new file mode 100644 +index 000000000..49532fe80 +--- /dev/null ++++ b/grub-core/lib/argon2/argon2.c +@@ -0,0 +1,232 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#include <grub/dl.h> ++ ++#include "argon2.h" ++#include "core.h" ++ ++GRUB_MOD_LICENSE ("CC0"); ++ ++static int argon2_ctx(argon2_context *context, argon2_type type) { ++ /* 1. Validate all inputs */ ++ int result = validate_inputs(context); ++ grub_uint32_t memory_blocks, segment_length; ++ argon2_instance_t instance; ++ ++ if (ARGON2_OK != result) { ++ return result; ++ } ++ ++ if (Argon2_d != type && Argon2_i != type && Argon2_id != type) { ++ return ARGON2_INCORRECT_TYPE; ++ } ++ ++ /* 2. Align memory size */ ++ /* Minimum memory_blocks = 8L blocks, where L is the number of lanes */ ++ memory_blocks = context->m_cost; ++ ++ if (memory_blocks < 2 * ARGON2_SYNC_POINTS * context->lanes) { ++ memory_blocks = 2 * ARGON2_SYNC_POINTS * context->lanes; ++ } ++ ++ segment_length = memory_blocks / (context->lanes * ARGON2_SYNC_POINTS); ++ /* Ensure that all segments have equal length */ ++ memory_blocks = segment_length * (context->lanes * ARGON2_SYNC_POINTS); ++ ++ instance.version = context->version; ++ instance.memory = NULL; ++ instance.passes = context->t_cost; ++ instance.memory_blocks = memory_blocks; ++ instance.segment_length = segment_length; ++ instance.lane_length = segment_length * ARGON2_SYNC_POINTS; ++ instance.lanes = context->lanes; ++ instance.threads = context->threads; ++ instance.type = type; ++ ++ if (instance.threads > instance.lanes) { ++ instance.threads = instance.lanes; ++ } ++ ++ /* 3. Initialization: Hashing inputs, allocating memory, filling first ++ * blocks ++ */ ++ result = initialize(&instance, context); ++ ++ if (ARGON2_OK != result) { ++ return result; ++ } ++ ++ /* 4. Filling memory */ ++ result = fill_memory_blocks(&instance); ++ ++ if (ARGON2_OK != result) { ++ return result; ++ } ++ /* 5. Finalization */ ++ finalize(context, &instance); ++ ++ return ARGON2_OK; ++} ++ ++int argon2_hash(const grub_uint32_t t_cost, const grub_uint32_t m_cost, ++ const grub_uint32_t parallelism, const void *pwd, ++ const grub_size_t pwdlen, const void *salt, const grub_size_t saltlen, ++ void *hash, const grub_size_t hashlen, argon2_type type, ++ const grub_uint32_t version){ ++ ++ argon2_context context; ++ int result; ++ grub_uint8_t *out; ++ ++ if (pwdlen > ARGON2_MAX_PWD_LENGTH) { ++ return ARGON2_PWD_TOO_LONG; ++ } ++ ++ if (saltlen > ARGON2_MAX_SALT_LENGTH) { ++ return ARGON2_SALT_TOO_LONG; ++ } ++ ++ if (hashlen > ARGON2_MAX_OUTLEN) { ++ return ARGON2_OUTPUT_TOO_LONG; ++ } ++ ++ if (hashlen < ARGON2_MIN_OUTLEN) { ++ return ARGON2_OUTPUT_TOO_SHORT; ++ } ++ ++ out = grub_malloc(hashlen); ++ if (!out) { ++ return ARGON2_MEMORY_ALLOCATION_ERROR; ++ } ++ ++ context.out = (grub_uint8_t *)out; ++ context.outlen = (grub_uint32_t)hashlen; ++ context.pwd = CONST_CAST(grub_uint8_t *)pwd; ++ context.pwdlen = (grub_uint32_t)pwdlen; ++ context.salt = CONST_CAST(grub_uint8_t *)salt; ++ context.saltlen = (grub_uint32_t)saltlen; ++ context.secret = NULL; ++ context.secretlen = 0; ++ context.ad = NULL; ++ context.adlen = 0; ++ context.t_cost = t_cost; ++ context.m_cost = m_cost; ++ context.lanes = parallelism; ++ context.threads = parallelism; ++ context.allocate_cbk = NULL; ++ context.grub_free_cbk = NULL; ++ context.flags = ARGON2_DEFAULT_FLAGS; ++ context.version = version; ++ ++ result = argon2_ctx(&context, type); ++ ++ if (result != ARGON2_OK) { ++ clear_internal_memory(out, hashlen); ++ grub_free(out); ++ return result; ++ } ++ ++ /* if raw hash requested, write it */ ++ if (hash) { ++ grub_memcpy(hash, out, hashlen); ++ } ++ ++ clear_internal_memory(out, hashlen); ++ grub_free(out); ++ ++ return ARGON2_OK; ++} ++ ++const char *argon2_error_message(int error_code) { ++ switch (error_code) { ++ case ARGON2_OK: ++ return "OK"; ++ case ARGON2_OUTPUT_PTR_NULL: ++ return "Output pointer is NULL"; ++ case ARGON2_OUTPUT_TOO_SHORT: ++ return "Output is too short"; ++ case ARGON2_OUTPUT_TOO_LONG: ++ return "Output is too long"; ++ case ARGON2_PWD_TOO_SHORT: ++ return "Password is too short"; ++ case ARGON2_PWD_TOO_LONG: ++ return "Password is too long"; ++ case ARGON2_SALT_TOO_SHORT: ++ return "Salt is too short"; ++ case ARGON2_SALT_TOO_LONG: ++ return "Salt is too long"; ++ case ARGON2_AD_TOO_SHORT: ++ return "Associated data is too short"; ++ case ARGON2_AD_TOO_LONG: ++ return "Associated data is too long"; ++ case ARGON2_SECRET_TOO_SHORT: ++ return "Secret is too short"; ++ case ARGON2_SECRET_TOO_LONG: ++ return "Secret is too long"; ++ case ARGON2_TIME_TOO_SMALL: ++ return "Time cost is too small"; ++ case ARGON2_TIME_TOO_LARGE: ++ return "Time cost is too large"; ++ case ARGON2_MEMORY_TOO_LITTLE: ++ return "Memory cost is too small"; ++ case ARGON2_MEMORY_TOO_MUCH: ++ return "Memory cost is too large"; ++ case ARGON2_LANES_TOO_FEW: ++ return "Too few lanes"; ++ case ARGON2_LANES_TOO_MANY: ++ return "Too many lanes"; ++ case ARGON2_PWD_PTR_MISMATCH: ++ return "Password pointer is NULL, but password length is not 0"; ++ case ARGON2_SALT_PTR_MISMATCH: ++ return "Salt pointer is NULL, but salt length is not 0"; ++ case ARGON2_SECRET_PTR_MISMATCH: ++ return "Secret pointer is NULL, but secret length is not 0"; ++ case ARGON2_AD_PTR_MISMATCH: ++ return "Associated data pointer is NULL, but ad length is not 0"; ++ case ARGON2_MEMORY_ALLOCATION_ERROR: ++ return "Memory allocation error"; ++ case ARGON2_FREE_MEMORY_CBK_NULL: ++ return "The grub_free memory callback is NULL"; ++ case ARGON2_ALLOCATE_MEMORY_CBK_NULL: ++ return "The allocate memory callback is NULL"; ++ case ARGON2_INCORRECT_PARAMETER: ++ return "Argon2_Context context is NULL"; ++ case ARGON2_INCORRECT_TYPE: ++ return "There is no such version of Argon2"; ++ case ARGON2_OUT_PTR_MISMATCH: ++ return "Output pointer mismatch"; ++ case ARGON2_THREADS_TOO_FEW: ++ return "Not enough threads"; ++ case ARGON2_THREADS_TOO_MANY: ++ return "Too many threads"; ++ case ARGON2_MISSING_ARGS: ++ return "Missing arguments"; ++ case ARGON2_ENCODING_FAIL: ++ return "Encoding failed"; ++ case ARGON2_DECODING_FAIL: ++ return "Decoding failed"; ++ case ARGON2_THREAD_FAIL: ++ return "Threading failure"; ++ case ARGON2_DECODING_LENGTH_FAIL: ++ return "Some of encoded parameters are too long or too short"; ++ case ARGON2_VERIFY_MISMATCH: ++ return "The password does not match the supplied hash"; ++ default: ++ return "Unknown error code"; ++ } ++} +diff --git a/grub-core/lib/argon2/argon2.h b/grub-core/lib/argon2/argon2.h +new file mode 100644 +index 000000000..129f7efbd +--- /dev/null ++++ b/grub-core/lib/argon2/argon2.h +@@ -0,0 +1,264 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#ifndef ARGON2_H ++#define ARGON2_H ++ ++#include <grub/misc.h> ++#include <grub/mm.h> ++ ++#if defined(__cplusplus) ++extern "C" { ++#endif ++ ++/* Symbols visibility control */ ++#ifdef A2_VISCTL ++#define ARGON2_PUBLIC __attribute__((visibility("default"))) ++#define ARGON2_LOCAL __attribute__ ((visibility ("hidden"))) ++#elif defined(_MSC_VER) ++#define ARGON2_PUBLIC __declspec(dllexport) ++#define ARGON2_LOCAL ++#else ++#define ARGON2_PUBLIC ++#define ARGON2_LOCAL ++#endif ++ ++/* ++ * Argon2 input parameter restrictions ++ */ ++ ++/* Minimum and maximum number of lanes (degree of parallelism) */ ++#define ARGON2_MIN_LANES GRUB_UINT32_C(1) ++#define ARGON2_MAX_LANES GRUB_UINT32_C(0xFFFFFF) ++ ++/* Minimum and maximum number of threads */ ++#define ARGON2_MIN_THREADS GRUB_UINT32_C(1) ++#define ARGON2_MAX_THREADS GRUB_UINT32_C(0xFFFFFF) ++ ++/* Number of synchronization points between lanes per pass */ ++#define ARGON2_SYNC_POINTS GRUB_UINT32_C(4) ++ ++/* Minimum and maximum digest size in bytes */ ++#define ARGON2_MIN_OUTLEN GRUB_UINT32_C(4) ++#define ARGON2_MAX_OUTLEN GRUB_UINT32_C(0xFFFFFFFF) ++ ++/* Minimum and maximum number of memory blocks (each of BLOCK_SIZE bytes) */ ++#define ARGON2_MIN_MEMORY (2 * ARGON2_SYNC_POINTS) /* 2 blocks per slice */ ++ ++#define ARGON2_MIN(a, b) ((a) < (b) ? (a) : (b)) ++/* Max memory size is addressing-space/2, topping at 2^32 blocks (4 TB) */ ++#define ARGON2_MAX_MEMORY_BITS \ ++ ARGON2_MIN(GRUB_UINT32_C(32), (sizeof(void *) * GRUB_CHAR_BIT - 10 - 1)) ++#define ARGON2_MAX_MEMORY \ ++ ARGON2_MIN(GRUB_UINT32_C(0xFFFFFFFF), GRUB_UINT64_C(1) << ARGON2_MAX_MEMORY_BITS) ++ ++/* Minimum and maximum number of passes */ ++#define ARGON2_MIN_TIME GRUB_UINT32_C(1) ++#define ARGON2_MAX_TIME GRUB_UINT32_C(0xFFFFFFFF) ++ ++/* Minimum and maximum password length in bytes */ ++#define ARGON2_MIN_PWD_LENGTH GRUB_UINT32_C(0) ++#define ARGON2_MAX_PWD_LENGTH GRUB_UINT32_C(0xFFFFFFFF) ++ ++/* Minimum and maximum associated data length in bytes */ ++#define ARGON2_MIN_AD_LENGTH GRUB_UINT32_C(0) ++#define ARGON2_MAX_AD_LENGTH GRUB_UINT32_C(0xFFFFFFFF) ++ ++/* Minimum and maximum salt length in bytes */ ++#define ARGON2_MIN_SALT_LENGTH GRUB_UINT32_C(8) ++#define ARGON2_MAX_SALT_LENGTH GRUB_UINT32_C(0xFFFFFFFF) ++ ++/* Minimum and maximum key length in bytes */ ++#define ARGON2_MIN_SECRET GRUB_UINT32_C(0) ++#define ARGON2_MAX_SECRET GRUB_UINT32_C(0xFFFFFFFF) ++ ++/* Flags to determine which fields are securely wiped (default = no wipe). */ ++#define ARGON2_DEFAULT_FLAGS GRUB_UINT32_C(0) ++#define ARGON2_FLAG_CLEAR_PASSWORD (GRUB_UINT32_C(1) << 0) ++#define ARGON2_FLAG_CLEAR_SECRET (GRUB_UINT32_C(1) << 1) ++ ++/* Global flag to determine if we are wiping internal memory buffers. This flag ++ * is defined in core.c and defaults to 1 (wipe internal memory). */ ++extern int FLAG_clear_internal_memory; ++ ++/* Error codes */ ++typedef enum Argon2_ErrorCodes { ++ ARGON2_OK = 0, ++ ++ ARGON2_OUTPUT_PTR_NULL = -1, ++ ++ ARGON2_OUTPUT_TOO_SHORT = -2, ++ ARGON2_OUTPUT_TOO_LONG = -3, ++ ++ ARGON2_PWD_TOO_SHORT = -4, ++ ARGON2_PWD_TOO_LONG = -5, ++ ++ ARGON2_SALT_TOO_SHORT = -6, ++ ARGON2_SALT_TOO_LONG = -7, ++ ++ ARGON2_AD_TOO_SHORT = -8, ++ ARGON2_AD_TOO_LONG = -9, ++ ++ ARGON2_SECRET_TOO_SHORT = -10, ++ ARGON2_SECRET_TOO_LONG = -11, ++ ++ ARGON2_TIME_TOO_SMALL = -12, ++ ARGON2_TIME_TOO_LARGE = -13, ++ ++ ARGON2_MEMORY_TOO_LITTLE = -14, ++ ARGON2_MEMORY_TOO_MUCH = -15, ++ ++ ARGON2_LANES_TOO_FEW = -16, ++ ARGON2_LANES_TOO_MANY = -17, ++ ++ ARGON2_PWD_PTR_MISMATCH = -18, /* NULL ptr with non-zero length */ ++ ARGON2_SALT_PTR_MISMATCH = -19, /* NULL ptr with non-zero length */ ++ ARGON2_SECRET_PTR_MISMATCH = -20, /* NULL ptr with non-zero length */ ++ ARGON2_AD_PTR_MISMATCH = -21, /* NULL ptr with non-zero length */ ++ ++ ARGON2_MEMORY_ALLOCATION_ERROR = -22, ++ ++ ARGON2_FREE_MEMORY_CBK_NULL = -23, ++ ARGON2_ALLOCATE_MEMORY_CBK_NULL = -24, ++ ++ ARGON2_INCORRECT_PARAMETER = -25, ++ ARGON2_INCORRECT_TYPE = -26, ++ ++ ARGON2_OUT_PTR_MISMATCH = -27, ++ ++ ARGON2_THREADS_TOO_FEW = -28, ++ ARGON2_THREADS_TOO_MANY = -29, ++ ++ ARGON2_MISSING_ARGS = -30, ++ ++ ARGON2_ENCODING_FAIL = -31, ++ ++ ARGON2_DECODING_FAIL = -32, ++ ++ ARGON2_THREAD_FAIL = -33, ++ ++ ARGON2_DECODING_LENGTH_FAIL = -34, ++ ++ ARGON2_VERIFY_MISMATCH = -35 ++} argon2_error_codes; ++ ++/* Memory allocator types --- for external allocation */ ++typedef int (*allocate_fptr)(grub_uint8_t **memory, grub_size_t bytes_to_allocate); ++typedef void (*deallocate_fptr)(grub_uint8_t *memory, grub_size_t bytes_to_allocate); ++ ++/* Argon2 external data structures */ ++ ++/* ++ ***** ++ * Context: structure to hold Argon2 inputs: ++ * output array and its length, ++ * password and its length, ++ * salt and its length, ++ * secret and its length, ++ * associated data and its length, ++ * number of passes, amount of used memory (in KBytes, can be rounded up a bit) ++ * number of parallel threads that will be run. ++ * All the parameters above affect the output hash value. ++ * Additionally, two function pointers can be provided to allocate and ++ * deallocate the memory (if NULL, memory will be allocated internally). ++ * Also, three flags indicate whether to erase password, secret as soon as they ++ * are pre-hashed (and thus not needed anymore), and the entire memory ++ ***** ++ * Simplest situation: you have output array out[8], password is stored in ++ * pwd[32], salt is stored in salt[16], you do not have keys nor associated ++ * data. You need to spend 1 GB of RAM and you run 5 passes of Argon2d with ++ * 4 parallel lanes. ++ * You want to erase the password, but you're OK with last pass not being ++ * erased. You want to use the default memory allocator. ++ * Then you initialize: ++ Argon2_Context(out,8,pwd,32,salt,16,NULL,0,NULL,0,5,1<<20,4,4,NULL,NULL,true,false,false,false) ++ */ ++typedef struct Argon2_Context { ++ grub_uint8_t *out; /* output array */ ++ grub_uint32_t outlen; /* digest length */ ++ ++ grub_uint8_t *pwd; /* password array */ ++ grub_uint32_t pwdlen; /* password length */ ++ ++ grub_uint8_t *salt; /* salt array */ ++ grub_uint32_t saltlen; /* salt length */ ++ ++ grub_uint8_t *secret; /* key array */ ++ grub_uint32_t secretlen; /* key length */ ++ ++ grub_uint8_t *ad; /* associated data array */ ++ grub_uint32_t adlen; /* associated data length */ ++ ++ grub_uint32_t t_cost; /* number of passes */ ++ grub_uint32_t m_cost; /* amount of memory requested (KB) */ ++ grub_uint32_t lanes; /* number of lanes */ ++ grub_uint32_t threads; /* maximum number of threads */ ++ ++ grub_uint32_t version; /* version number */ ++ ++ allocate_fptr allocate_cbk; /* pointer to memory allocator */ ++ deallocate_fptr grub_free_cbk; /* pointer to memory deallocator */ ++ ++ grub_uint32_t flags; /* array of bool options */ ++} argon2_context; ++ ++/* Argon2 primitive type */ ++typedef enum Argon2_type { ++ Argon2_d = 0, ++ Argon2_i = 1, ++ Argon2_id = 2 ++} argon2_type; ++ ++/* Version of the algorithm */ ++typedef enum Argon2_version { ++ ARGON2_VERSION_10 = 0x10, ++ ARGON2_VERSION_13 = 0x13, ++ ARGON2_VERSION_NUMBER = ARGON2_VERSION_13 ++} argon2_version; ++ ++/** ++ * Hashes a password with Argon2, producing a raw hash at @hash ++ * @param t_cost Number of iterations ++ * @param m_cost Sets memory usage to m_cost kibibytes ++ * @param parallelism Number of threads and compute lanes ++ * @param pwd Pointer to password ++ * @param pwdlen Password size in bytes ++ * @param salt Pointer to salt ++ * @param saltlen Salt size in bytes ++ * @param hash Buffer where to write the raw hash - updated by the function ++ * @param hashlen Desired length of the hash in bytes ++ * @pre Different parallelism levels will give different results ++ * @pre Returns ARGON2_OK if successful ++ */ ++ARGON2_PUBLIC int argon2_hash(const grub_uint32_t t_cost, const grub_uint32_t m_cost, ++ const grub_uint32_t parallelism, const void *pwd, ++ const grub_size_t pwdlen, const void *salt, ++ const grub_size_t saltlen, void *hash, ++ const grub_size_t hashlen, argon2_type type, ++ const grub_uint32_t version); ++ ++/** ++ * Get the associated error message for given error code ++ * @return The error message associated with the given error code ++ */ ++ARGON2_PUBLIC const char *argon2_error_message(int error_code); ++ ++#if defined(__cplusplus) ++} ++#endif ++ ++#endif +diff --git a/grub-core/lib/argon2/blake2/blake2-impl.h b/grub-core/lib/argon2/blake2/blake2-impl.h +new file mode 100644 +index 000000000..3a795680b +--- /dev/null ++++ b/grub-core/lib/argon2/blake2/blake2-impl.h +@@ -0,0 +1,151 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#ifndef PORTABLE_BLAKE2_IMPL_H ++#define PORTABLE_BLAKE2_IMPL_H ++ ++#if defined(_MSC_VER) ++#define BLAKE2_INLINE __inline ++#elif defined(__GNUC__) || defined(__clang__) ++#define BLAKE2_INLINE __inline__ ++#else ++#define BLAKE2_INLINE ++#endif ++ ++/* Argon2 Team - Begin Code */ ++/* ++ Not an exhaustive list, but should cover the majority of modern platforms ++ Additionally, the code will always be correct---this is only a performance ++ tweak. ++*/ ++#if (defined(__BYTE_ORDER__) && \ ++ (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) || \ ++ defined(__LITTLE_ENDIAN__) || defined(__ARMEL__) || defined(__MIPSEL__) || \ ++ defined(__AARCH64EL__) || defined(__amd64__) || defined(__i386__) || \ ++ defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64) || \ ++ defined(_M_ARM) ++#define NATIVE_LITTLE_ENDIAN ++#endif ++/* Argon2 Team - End Code */ ++ ++static BLAKE2_INLINE grub_uint32_t load32(const void *src) { ++#if defined(NATIVE_LITTLE_ENDIAN) ++ grub_uint32_t w; ++ grub_memcpy(&w, src, sizeof w); ++ return w; ++#else ++ const grub_uint8_t *p = (const grub_uint8_t *)src; ++ grub_uint32_t w = *p++; ++ w |= (grub_uint32_t)(*p++) << 8; ++ w |= (grub_uint32_t)(*p++) << 16; ++ w |= (grub_uint32_t)(*p++) << 24; ++ return w; ++#endif ++} ++ ++static BLAKE2_INLINE grub_uint64_t load64(const void *src) { ++#if defined(NATIVE_LITTLE_ENDIAN) ++ grub_uint64_t w; ++ grub_memcpy(&w, src, sizeof w); ++ return w; ++#else ++ const grub_uint8_t *p = (const grub_uint8_t *)src; ++ grub_uint64_t w = *p++; ++ w |= (grub_uint64_t)(*p++) << 8; ++ w |= (grub_uint64_t)(*p++) << 16; ++ w |= (grub_uint64_t)(*p++) << 24; ++ w |= (grub_uint64_t)(*p++) << 32; ++ w |= (grub_uint64_t)(*p++) << 40; ++ w |= (grub_uint64_t)(*p++) << 48; ++ w |= (grub_uint64_t)(*p++) << 56; ++ return w; ++#endif ++} ++ ++static BLAKE2_INLINE void store32(void *dst, grub_uint32_t w) { ++#if defined(NATIVE_LITTLE_ENDIAN) ++ grub_memcpy(dst, &w, sizeof w); ++#else ++ grub_uint8_t *p = (grub_uint8_t *)dst; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++#endif ++} ++ ++static BLAKE2_INLINE void store64(void *dst, grub_uint64_t w) { ++#if defined(NATIVE_LITTLE_ENDIAN) ++ grub_memcpy(dst, &w, sizeof w); ++#else ++ grub_uint8_t *p = (grub_uint8_t *)dst; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++#endif ++} ++ ++static BLAKE2_INLINE grub_uint64_t load48(const void *src) { ++ const grub_uint8_t *p = (const grub_uint8_t *)src; ++ grub_uint64_t w = *p++; ++ w |= (grub_uint64_t)(*p++) << 8; ++ w |= (grub_uint64_t)(*p++) << 16; ++ w |= (grub_uint64_t)(*p++) << 24; ++ w |= (grub_uint64_t)(*p++) << 32; ++ w |= (grub_uint64_t)(*p++) << 40; ++ return w; ++} ++ ++static BLAKE2_INLINE void store48(void *dst, grub_uint64_t w) { ++ grub_uint8_t *p = (grub_uint8_t *)dst; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++ w >>= 8; ++ *p++ = (grub_uint8_t)w; ++} ++ ++static BLAKE2_INLINE grub_uint32_t rotr32(const grub_uint32_t w, const unsigned c) { ++ return (w >> c) | (w << (32 - c)); ++} ++ ++static BLAKE2_INLINE grub_uint64_t rotr64(const grub_uint64_t w, const unsigned c) { ++ return (w >> c) | (w << (64 - c)); ++} ++ ++#endif +diff --git a/grub-core/lib/argon2/blake2/blake2.h b/grub-core/lib/argon2/blake2/blake2.h +new file mode 100644 +index 000000000..4e8efeb22 +--- /dev/null ++++ b/grub-core/lib/argon2/blake2/blake2.h +@@ -0,0 +1,89 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#ifndef PORTABLE_BLAKE2_H ++#define PORTABLE_BLAKE2_H ++ ++#include "../argon2.h" ++ ++#if defined(__cplusplus) ++extern "C" { ++#endif ++ ++enum blake2b_constant { ++ BLAKE2B_BLOCKBYTES = 128, ++ BLAKE2B_OUTBYTES = 64, ++ BLAKE2B_KEYBYTES = 64, ++ BLAKE2B_SALTBYTES = 16, ++ BLAKE2B_PERSONALBYTES = 16 ++}; ++ ++#pragma pack(push, 1) ++typedef struct __blake2b_param { ++ grub_uint8_t digest_length; /* 1 */ ++ grub_uint8_t key_length; /* 2 */ ++ grub_uint8_t fanout; /* 3 */ ++ grub_uint8_t depth; /* 4 */ ++ grub_uint32_t leaf_length; /* 8 */ ++ grub_uint64_t node_offset; /* 16 */ ++ grub_uint8_t node_depth; /* 17 */ ++ grub_uint8_t inner_length; /* 18 */ ++ grub_uint8_t reserved[14]; /* 32 */ ++ grub_uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */ ++ grub_uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */ ++} blake2b_param; ++#pragma pack(pop) ++ ++typedef struct __blake2b_state { ++ grub_uint64_t h[8]; ++ grub_uint64_t t[2]; ++ grub_uint64_t f[2]; ++ grub_uint8_t buf[BLAKE2B_BLOCKBYTES]; ++ unsigned buflen; ++ unsigned outlen; ++ grub_uint8_t last_node; ++} blake2b_state; ++ ++/* Ensure param structs have not been wrongly padded */ ++/* Poor man's static_assert */ ++enum { ++ blake2_size_check_0 = 1 / !!(GRUB_CHAR_BIT == 8), ++ blake2_size_check_2 = ++ 1 / !!(sizeof(blake2b_param) == sizeof(grub_uint64_t) * GRUB_CHAR_BIT) ++}; ++ ++/* Streaming API */ ++ARGON2_LOCAL int blake2b_init(blake2b_state *S, grub_size_t outlen); ++ARGON2_LOCAL int blake2b_init_key(blake2b_state *S, grub_size_t outlen, const void *key, ++ grub_size_t keylen); ++ARGON2_LOCAL int blake2b_init_param(blake2b_state *S, const blake2b_param *P); ++ARGON2_LOCAL int blake2b_update(blake2b_state *S, const void *in, grub_size_t inlen); ++ARGON2_LOCAL int blake2b_final(blake2b_state *S, void *out, grub_size_t outlen); ++ ++/* Simple API */ ++ARGON2_LOCAL int blake2b(void *out, grub_size_t outlen, const void *in, grub_size_t inlen, ++ const void *key, grub_size_t keylen); ++ ++/* Argon2 Team - Begin Code */ ++ARGON2_LOCAL int blake2b_long(void *out, grub_size_t outlen, const void *in, grub_size_t inlen); ++/* Argon2 Team - End Code */ ++ ++#if defined(__cplusplus) ++} ++#endif ++ ++#endif +diff --git a/grub-core/lib/argon2/blake2/blake2b.c b/grub-core/lib/argon2/blake2/blake2b.c +new file mode 100644 +index 000000000..53abd7bef +--- /dev/null ++++ b/grub-core/lib/argon2/blake2/blake2b.c +@@ -0,0 +1,388 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#include "blake2.h" ++#include "blake2-impl.h" ++ ++static const grub_uint64_t blake2b_IV[8] = { ++ GRUB_UINT64_C(0x6a09e667f3bcc908), GRUB_UINT64_C(0xbb67ae8584caa73b), ++ GRUB_UINT64_C(0x3c6ef372fe94f82b), GRUB_UINT64_C(0xa54ff53a5f1d36f1), ++ GRUB_UINT64_C(0x510e527fade682d1), GRUB_UINT64_C(0x9b05688c2b3e6c1f), ++ GRUB_UINT64_C(0x1f83d9abfb41bd6b), GRUB_UINT64_C(0x5be0cd19137e2179)}; ++ ++static const unsigned int blake2b_sigma[12][16] = { ++ {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, ++ {14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3}, ++ {11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4}, ++ {7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8}, ++ {9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13}, ++ {2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9}, ++ {12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11}, ++ {13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10}, ++ {6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5}, ++ {10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0}, ++ {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, ++ {14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3}, ++}; ++ ++void clear_internal_memory(void *v, grub_size_t n); ++ ++static BLAKE2_INLINE void blake2b_set_lastnode(blake2b_state *S) { ++ S->f[1] = (grub_uint64_t)-1; ++} ++ ++static BLAKE2_INLINE void blake2b_set_lastblock(blake2b_state *S) { ++ if (S->last_node) { ++ blake2b_set_lastnode(S); ++ } ++ S->f[0] = (grub_uint64_t)-1; ++} ++ ++static BLAKE2_INLINE void blake2b_increment_counter(blake2b_state *S, ++ grub_uint64_t inc) { ++ S->t[0] += inc; ++ S->t[1] += (S->t[0] < inc); ++} ++ ++static BLAKE2_INLINE void blake2b_invalidate_state(blake2b_state *S) { ++ clear_internal_memory(S, sizeof(*S)); /* wipe */ ++ blake2b_set_lastblock(S); /* invalidate for further use */ ++} ++ ++static BLAKE2_INLINE void blake2b_init0(blake2b_state *S) { ++ grub_memset(S, 0, sizeof(*S)); ++ grub_memcpy(S->h, blake2b_IV, sizeof(S->h)); ++} ++ ++int blake2b_init_param(blake2b_state *S, const blake2b_param *P) { ++ const unsigned char *p = (const unsigned char *)P; ++ unsigned int i; ++ ++ if (NULL == P || NULL == S) { ++ return -1; ++ } ++ ++ blake2b_init0(S); ++ /* IV XOR Parameter Block */ ++ for (i = 0; i < 8; ++i) { ++ S->h[i] ^= load64(&p[i * sizeof(S->h[i])]); ++ } ++ S->outlen = P->digest_length; ++ return 0; ++} ++ ++/* Sequential blake2b initialization */ ++int blake2b_init(blake2b_state *S, grub_size_t outlen) { ++ blake2b_param P; ++ ++ if (S == NULL) { ++ return -1; ++ } ++ ++ if ((outlen == 0) || (outlen > BLAKE2B_OUTBYTES)) { ++ blake2b_invalidate_state(S); ++ return -1; ++ } ++ ++ /* Setup Parameter Block for unkeyed BLAKE2 */ ++ P.digest_length = (grub_uint8_t)outlen; ++ P.key_length = 0; ++ P.fanout = 1; ++ P.depth = 1; ++ P.leaf_length = 0; ++ P.node_offset = 0; ++ P.node_depth = 0; ++ P.inner_length = 0; ++ grub_memset(P.reserved, 0, sizeof(P.reserved)); ++ grub_memset(P.salt, 0, sizeof(P.salt)); ++ grub_memset(P.personal, 0, sizeof(P.personal)); ++ ++ return blake2b_init_param(S, &P); ++} ++ ++int blake2b_init_key(blake2b_state *S, grub_size_t outlen, const void *key, ++ grub_size_t keylen) { ++ blake2b_param P; ++ ++ if (S == NULL) { ++ return -1; ++ } ++ ++ if ((outlen == 0) || (outlen > BLAKE2B_OUTBYTES)) { ++ blake2b_invalidate_state(S); ++ return -1; ++ } ++ ++ if ((key == 0) || (keylen == 0) || (keylen > BLAKE2B_KEYBYTES)) { ++ blake2b_invalidate_state(S); ++ return -1; ++ } ++ ++ /* Setup Parameter Block for keyed BLAKE2 */ ++ P.digest_length = (grub_uint8_t)outlen; ++ P.key_length = (grub_uint8_t)keylen; ++ P.fanout = 1; ++ P.depth = 1; ++ P.leaf_length = 0; ++ P.node_offset = 0; ++ P.node_depth = 0; ++ P.inner_length = 0; ++ grub_memset(P.reserved, 0, sizeof(P.reserved)); ++ grub_memset(P.salt, 0, sizeof(P.salt)); ++ grub_memset(P.personal, 0, sizeof(P.personal)); ++ ++ if (blake2b_init_param(S, &P) < 0) { ++ blake2b_invalidate_state(S); ++ return -1; ++ } ++ ++ { ++ grub_uint8_t block[BLAKE2B_BLOCKBYTES]; ++ grub_memset(block, 0, BLAKE2B_BLOCKBYTES); ++ grub_memcpy(block, key, keylen); ++ blake2b_update(S, block, BLAKE2B_BLOCKBYTES); ++ /* Burn the key from stack */ ++ clear_internal_memory(block, BLAKE2B_BLOCKBYTES); ++ } ++ return 0; ++} ++ ++static void blake2b_compress(blake2b_state *S, const grub_uint8_t *block) { ++ grub_uint64_t m[16]; ++ grub_uint64_t v[16]; ++ unsigned int i, r; ++ ++ for (i = 0; i < 16; ++i) { ++ m[i] = load64(block + i * sizeof(m[i])); ++ } ++ ++ for (i = 0; i < 8; ++i) { ++ v[i] = S->h[i]; ++ } ++ ++ v[8] = blake2b_IV[0]; ++ v[9] = blake2b_IV[1]; ++ v[10] = blake2b_IV[2]; ++ v[11] = blake2b_IV[3]; ++ v[12] = blake2b_IV[4] ^ S->t[0]; ++ v[13] = blake2b_IV[5] ^ S->t[1]; ++ v[14] = blake2b_IV[6] ^ S->f[0]; ++ v[15] = blake2b_IV[7] ^ S->f[1]; ++ ++#define G(r, i, a, b, c, d) \ ++ do { \ ++ a = a + b + m[blake2b_sigma[r][2 * i + 0]]; \ ++ d = rotr64(d ^ a, 32); \ ++ c = c + d; \ ++ b = rotr64(b ^ c, 24); \ ++ a = a + b + m[blake2b_sigma[r][2 * i + 1]]; \ ++ d = rotr64(d ^ a, 16); \ ++ c = c + d; \ ++ b = rotr64(b ^ c, 63); \ ++ } while ((void)0, 0) ++ ++#define ROUND(r) \ ++ do { \ ++ G(r, 0, v[0], v[4], v[8], v[12]); \ ++ G(r, 1, v[1], v[5], v[9], v[13]); \ ++ G(r, 2, v[2], v[6], v[10], v[14]); \ ++ G(r, 3, v[3], v[7], v[11], v[15]); \ ++ G(r, 4, v[0], v[5], v[10], v[15]); \ ++ G(r, 5, v[1], v[6], v[11], v[12]); \ ++ G(r, 6, v[2], v[7], v[8], v[13]); \ ++ G(r, 7, v[3], v[4], v[9], v[14]); \ ++ } while ((void)0, 0) ++ ++ for (r = 0; r < 12; ++r) { ++ ROUND(r); ++ } ++ ++ for (i = 0; i < 8; ++i) { ++ S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; ++ } ++ ++#undef G ++#undef ROUND ++} ++ ++int blake2b_update(blake2b_state *S, const void *in, grub_size_t inlen) { ++ const grub_uint8_t *pin = (const grub_uint8_t *)in; ++ ++ if (inlen == 0) { ++ return 0; ++ } ++ ++ /* Sanity check */ ++ if (S == NULL || in == NULL) { ++ return -1; ++ } ++ ++ /* Is this a reused state? */ ++ if (S->f[0] != 0) { ++ return -1; ++ } ++ ++ if (S->buflen + inlen > BLAKE2B_BLOCKBYTES) { ++ /* Complete current block */ ++ grub_size_t left = S->buflen; ++ grub_size_t fill = BLAKE2B_BLOCKBYTES - left; ++ grub_memcpy(&S->buf[left], pin, fill); ++ blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); ++ blake2b_compress(S, S->buf); ++ S->buflen = 0; ++ inlen -= fill; ++ pin += fill; ++ /* Avoid buffer copies when possible */ ++ while (inlen > BLAKE2B_BLOCKBYTES) { ++ blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES); ++ blake2b_compress(S, pin); ++ inlen -= BLAKE2B_BLOCKBYTES; ++ pin += BLAKE2B_BLOCKBYTES; ++ } ++ } ++ grub_memcpy(&S->buf[S->buflen], pin, inlen); ++ S->buflen += (unsigned int)inlen; ++ return 0; ++} ++ ++int blake2b_final(blake2b_state *S, void *out, grub_size_t outlen) { ++ grub_uint8_t buffer[BLAKE2B_OUTBYTES] = {0}; ++ unsigned int i; ++ ++ /* Sanity checks */ ++ if (S == NULL || out == NULL || outlen < S->outlen) { ++ return -1; ++ } ++ ++ /* Is this a reused state? */ ++ if (S->f[0] != 0) { ++ return -1; ++ } ++ ++ blake2b_increment_counter(S, S->buflen); ++ blake2b_set_lastblock(S); ++ grub_memset(&S->buf[S->buflen], 0, BLAKE2B_BLOCKBYTES - S->buflen); /* Padding */ ++ blake2b_compress(S, S->buf); ++ ++ for (i = 0; i < 8; ++i) { /* Output full hash to temp buffer */ ++ store64(buffer + sizeof(S->h[i]) * i, S->h[i]); ++ } ++ ++ grub_memcpy(out, buffer, S->outlen); ++ clear_internal_memory(buffer, sizeof(buffer)); ++ clear_internal_memory(S->buf, sizeof(S->buf)); ++ clear_internal_memory(S->h, sizeof(S->h)); ++ return 0; ++} ++ ++int blake2b(void *out, grub_size_t outlen, const void *in, grub_size_t inlen, ++ const void *key, grub_size_t keylen) { ++ blake2b_state S; ++ int ret = -1; ++ ++ /* Verify parameters */ ++ if (NULL == in && inlen > 0) { ++ goto fail; ++ } ++ ++ if (NULL == out || outlen == 0 || outlen > BLAKE2B_OUTBYTES) { ++ goto fail; ++ } ++ ++ if ((NULL == key && keylen > 0) || keylen > BLAKE2B_KEYBYTES) { ++ goto fail; ++ } ++ ++ if (keylen > 0) { ++ if (blake2b_init_key(&S, outlen, key, keylen) < 0) { ++ goto fail; ++ } ++ } else { ++ if (blake2b_init(&S, outlen) < 0) { ++ goto fail; ++ } ++ } ++ ++ if (blake2b_update(&S, in, inlen) < 0) { ++ goto fail; ++ } ++ ret = blake2b_final(&S, out, outlen); ++ ++fail: ++ clear_internal_memory(&S, sizeof(S)); ++ return ret; ++} ++ ++/* Argon2 Team - Begin Code */ ++int blake2b_long(void *pout, grub_size_t outlen, const void *in, grub_size_t inlen) { ++ grub_uint8_t *out = (grub_uint8_t *)pout; ++ blake2b_state blake_state; ++ grub_uint8_t outlen_bytes[sizeof(grub_uint32_t)] = {0}; ++ int ret = -1; ++ ++ if (outlen > GRUB_UINT32_MAX) { ++ goto fail; ++ } ++ ++ /* Ensure little-endian byte order! */ ++ store32(outlen_bytes, (grub_uint32_t)outlen); ++ ++#define TRY(statement) \ ++ do { \ ++ ret = statement; \ ++ if (ret < 0) { \ ++ goto fail; \ ++ } \ ++ } while ((void)0, 0) ++ ++ if (outlen <= BLAKE2B_OUTBYTES) { ++ TRY(blake2b_init(&blake_state, outlen)); ++ TRY(blake2b_update(&blake_state, outlen_bytes, sizeof(outlen_bytes))); ++ TRY(blake2b_update(&blake_state, in, inlen)); ++ TRY(blake2b_final(&blake_state, out, outlen)); ++ } else { ++ grub_uint32_t toproduce; ++ grub_uint8_t out_buffer[BLAKE2B_OUTBYTES]; ++ grub_uint8_t in_buffer[BLAKE2B_OUTBYTES]; ++ TRY(blake2b_init(&blake_state, BLAKE2B_OUTBYTES)); ++ TRY(blake2b_update(&blake_state, outlen_bytes, sizeof(outlen_bytes))); ++ TRY(blake2b_update(&blake_state, in, inlen)); ++ TRY(blake2b_final(&blake_state, out_buffer, BLAKE2B_OUTBYTES)); ++ grub_memcpy(out, out_buffer, BLAKE2B_OUTBYTES / 2); ++ out += BLAKE2B_OUTBYTES / 2; ++ toproduce = (grub_uint32_t)outlen - BLAKE2B_OUTBYTES / 2; ++ ++ while (toproduce > BLAKE2B_OUTBYTES) { ++ grub_memcpy(in_buffer, out_buffer, BLAKE2B_OUTBYTES); ++ TRY(blake2b(out_buffer, BLAKE2B_OUTBYTES, in_buffer, ++ BLAKE2B_OUTBYTES, NULL, 0)); ++ grub_memcpy(out, out_buffer, BLAKE2B_OUTBYTES / 2); ++ out += BLAKE2B_OUTBYTES / 2; ++ toproduce -= BLAKE2B_OUTBYTES / 2; ++ } ++ ++ grub_memcpy(in_buffer, out_buffer, BLAKE2B_OUTBYTES); ++ TRY(blake2b(out_buffer, toproduce, in_buffer, BLAKE2B_OUTBYTES, NULL, ++ 0)); ++ grub_memcpy(out, out_buffer, toproduce); ++ } ++fail: ++ clear_internal_memory(&blake_state, sizeof(blake_state)); ++ return ret; ++#undef TRY ++} ++/* Argon2 Team - End Code */ +diff --git a/grub-core/lib/argon2/blake2/blamka-round-ref.h b/grub-core/lib/argon2/blake2/blamka-round-ref.h +new file mode 100644 +index 000000000..7f0071ada +--- /dev/null ++++ b/grub-core/lib/argon2/blake2/blamka-round-ref.h +@@ -0,0 +1,56 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#ifndef BLAKE_ROUND_MKA_H ++#define BLAKE_ROUND_MKA_H ++ ++#include "blake2.h" ++#include "blake2-impl.h" ++ ++/* designed by the Lyra PHC team */ ++static BLAKE2_INLINE grub_uint64_t fBlaMka(grub_uint64_t x, grub_uint64_t y) { ++ const grub_uint64_t m = GRUB_UINT64_C(0xFFFFFFFF); ++ const grub_uint64_t xy = (x & m) * (y & m); ++ return x + y + 2 * xy; ++} ++ ++#define G(a, b, c, d) \ ++ do { \ ++ a = fBlaMka(a, b); \ ++ d = rotr64(d ^ a, 32); \ ++ c = fBlaMka(c, d); \ ++ b = rotr64(b ^ c, 24); \ ++ a = fBlaMka(a, b); \ ++ d = rotr64(d ^ a, 16); \ ++ c = fBlaMka(c, d); \ ++ b = rotr64(b ^ c, 63); \ ++ } while ((void)0, 0) ++ ++#define BLAKE2_ROUND_NOMSG(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, \ ++ v12, v13, v14, v15) \ ++ do { \ ++ G(v0, v4, v8, v12); \ ++ G(v1, v5, v9, v13); \ ++ G(v2, v6, v10, v14); \ ++ G(v3, v7, v11, v15); \ ++ G(v0, v5, v10, v15); \ ++ G(v1, v6, v11, v12); \ ++ G(v2, v7, v8, v13); \ ++ G(v3, v4, v9, v14); \ ++ } while ((void)0, 0) ++ ++#endif +diff --git a/grub-core/lib/argon2/core.c b/grub-core/lib/argon2/core.c +new file mode 100644 +index 000000000..0fe5b74cb +--- /dev/null ++++ b/grub-core/lib/argon2/core.c +@@ -0,0 +1,506 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++/*For memory wiping*/ ++#ifdef _MSC_VER ++#include <windows.h> ++#include <winbase.h> /* For SecureZeroMemory */ ++#endif ++#if defined __STDC_LIB_EXT1__ ++#define __STDC_WANT_LIB_EXT1__ 1 ++#endif ++#define VC_GE_2005(version) (version >= 1400) ++ ++#include "core.h" ++#include "blake2/blake2.h" ++#include "blake2/blake2-impl.h" ++ ++#ifdef GENKAT ++#include "genkat.h" ++#endif ++ ++#if defined(__clang__) ++#if __has_attribute(optnone) ++#define NOT_OPTIMIZED __attribute__((optnone)) ++#endif ++#elif defined(__GNUC__) ++#define GCC_VERSION \ ++ (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) ++#if GCC_VERSION >= 40400 ++#define NOT_OPTIMIZED __attribute__((optimize("O0"))) ++#endif ++#endif ++#ifndef NOT_OPTIMIZED ++#define NOT_OPTIMIZED ++#endif ++ ++/***************Instance and Position constructors**********/ ++void init_block_value(block *b, grub_uint8_t in) { grub_memset(b->v, in, sizeof(b->v)); } ++ ++void copy_block(block *dst, const block *src) { ++ grub_memcpy(dst->v, src->v, sizeof(grub_uint64_t) * ARGON2_QWORDS_IN_BLOCK); ++} ++ ++void xor_block(block *dst, const block *src) { ++ int i; ++ for (i = 0; i < ARGON2_QWORDS_IN_BLOCK; ++i) { ++ dst->v[i] ^= src->v[i]; ++ } ++} ++ ++static void load_block(block *dst, const void *input) { ++ unsigned i; ++ for (i = 0; i < ARGON2_QWORDS_IN_BLOCK; ++i) { ++ dst->v[i] = load64((const grub_uint8_t *)input + i * sizeof(dst->v[i])); ++ } ++} ++ ++static void store_block(void *output, const block *src) { ++ unsigned i; ++ for (i = 0; i < ARGON2_QWORDS_IN_BLOCK; ++i) { ++ store64((grub_uint8_t *)output + i * sizeof(src->v[i]), src->v[i]); ++ } ++} ++ ++/***************Memory functions*****************/ ++ ++int allocate_memory(const argon2_context *context, grub_uint8_t **memory, ++ grub_size_t num, grub_size_t size) { ++ grub_size_t memory_size = num*size; ++ if (memory == NULL) { ++ return ARGON2_MEMORY_ALLOCATION_ERROR; ++ } ++ ++ /* 1. Check for multiplication overflow */ ++ if (size != 0 && memory_size / size != num) { ++ return ARGON2_MEMORY_ALLOCATION_ERROR; ++ } ++ ++ /* 2. Try to allocate with appropriate allocator */ ++ if (context->allocate_cbk) { ++ (context->allocate_cbk)(memory, memory_size); ++ } else { ++ *memory = grub_malloc(memory_size); ++ } ++ ++ if (*memory == NULL) { ++ return ARGON2_MEMORY_ALLOCATION_ERROR; ++ } ++ ++ return ARGON2_OK; ++} ++ ++void grub_free_memory(const argon2_context *context, grub_uint8_t *memory, ++ grub_size_t num, grub_size_t size) { ++ grub_size_t memory_size = num*size; ++ clear_internal_memory(memory, memory_size); ++ if (context->grub_free_cbk) { ++ (context->grub_free_cbk)(memory, memory_size); ++ } else { ++ grub_free(memory); ++ } ++} ++ ++void NOT_OPTIMIZED secure_wipe_memory(void *v, grub_size_t n) { ++ static void *(*const volatile grub_memset_sec)(void *, int, grub_size_t) = &grub_memset; ++ grub_memset_sec(v, 0, n); ++} ++ ++/* Memory clear flag defaults to true. */ ++int FLAG_clear_internal_memory = 1; ++void clear_internal_memory(void *v, grub_size_t n) { ++ if (FLAG_clear_internal_memory && v) { ++ secure_wipe_memory(v, n); ++ } ++} ++ ++void finalize(const argon2_context *context, argon2_instance_t *instance) { ++ if (context != NULL && instance != NULL) { ++ block blockhash; ++ grub_uint32_t l; ++ ++ copy_block(&blockhash, instance->memory + instance->lane_length - 1); ++ ++ /* XOR the last blocks */ ++ for (l = 1; l < instance->lanes; ++l) { ++ grub_uint32_t last_block_in_lane = ++ l * instance->lane_length + (instance->lane_length - 1); ++ xor_block(&blockhash, instance->memory + last_block_in_lane); ++ } ++ ++ /* Hash the result */ ++ { ++ grub_uint8_t blockhash_bytes[ARGON2_BLOCK_SIZE]; ++ store_block(blockhash_bytes, &blockhash); ++ blake2b_long(context->out, context->outlen, blockhash_bytes, ++ ARGON2_BLOCK_SIZE); ++ /* clear blockhash and blockhash_bytes */ ++ clear_internal_memory(blockhash.v, ARGON2_BLOCK_SIZE); ++ clear_internal_memory(blockhash_bytes, ARGON2_BLOCK_SIZE); ++ } ++ ++#ifdef GENKAT ++ print_tag(context->out, context->outlen); ++#endif ++ ++ grub_free_memory(context, (grub_uint8_t *)instance->memory, ++ instance->memory_blocks, sizeof(block)); ++ } ++} ++ ++grub_uint32_t index_alpha(const argon2_instance_t *instance, ++ const argon2_position_t *position, grub_uint32_t pseudo_rand, ++ int same_lane) { ++ /* ++ * Pass 0: ++ * This lane : all already finished segments plus already constructed ++ * blocks in this segment ++ * Other lanes : all already finished segments ++ * Pass 1+: ++ * This lane : (SYNC_POINTS - 1) last segments plus already constructed ++ * blocks in this segment ++ * Other lanes : (SYNC_POINTS - 1) last segments ++ */ ++ grub_uint32_t reference_area_size; ++ grub_uint64_t relative_position; ++ grub_uint64_t start_position, absolute_position; ++ ++ if (0 == position->pass) { ++ /* First pass */ ++ if (0 == position->slice) { ++ /* First slice */ ++ reference_area_size = ++ position->index - 1; /* all but the previous */ ++ } else { ++ if (same_lane) { ++ /* The same lane => add current segment */ ++ reference_area_size = ++ position->slice * instance->segment_length + ++ position->index - 1; ++ } else { ++ reference_area_size = ++ position->slice * instance->segment_length + ++ ((position->index == 0) ? (-1) : 0); ++ } ++ } ++ } else { ++ /* Second pass */ ++ if (same_lane) { ++ reference_area_size = instance->lane_length - ++ instance->segment_length + position->index - ++ 1; ++ } else { ++ reference_area_size = instance->lane_length - ++ instance->segment_length + ++ ((position->index == 0) ? (-1) : 0); ++ } ++ } ++ ++ /* 1.2.4. Mapping pseudo_rand to 0..<reference_area_size-1> and produce ++ * relative position */ ++ relative_position = pseudo_rand; ++ relative_position = relative_position * relative_position >> 32; ++ relative_position = reference_area_size - 1 - ++ (reference_area_size * relative_position >> 32); ++ ++ /* 1.2.5 Computing starting position */ ++ start_position = 0; ++ ++ if (0 != position->pass) { ++ start_position = (position->slice == ARGON2_SYNC_POINTS - 1) ++ ? 0 ++ : (position->slice + 1) * instance->segment_length; ++ } ++ ++ /* 1.2.6. Computing absolute position */ ++ grub_divmod64 (start_position + relative_position, instance->lane_length, ++ &absolute_position); /* absolute position */ ++ return absolute_position; ++} ++ ++/* Single-threaded version for p=1 case */ ++static int fill_memory_blocks_st(argon2_instance_t *instance) { ++ grub_uint32_t r, s, l; ++ ++ for (r = 0; r < instance->passes; ++r) { ++ for (s = 0; s < ARGON2_SYNC_POINTS; ++s) { ++ for (l = 0; l < instance->lanes; ++l) { ++ argon2_position_t position = {r, l, (grub_uint8_t)s, 0}; ++ fill_segment(instance, position); ++ } ++ } ++#ifdef GENKAT ++ internal_kat(instance, r); /* Print all memory blocks */ ++#endif ++ } ++ return ARGON2_OK; ++} ++ ++int fill_memory_blocks(argon2_instance_t *instance) { ++ if (instance == NULL || instance->lanes == 0) { ++ return ARGON2_INCORRECT_PARAMETER; ++ } ++ return fill_memory_blocks_st(instance); ++} ++ ++int validate_inputs(const argon2_context *context) { ++ if (NULL == context) { ++ return ARGON2_INCORRECT_PARAMETER; ++ } ++ ++ if (NULL == context->out) { ++ return ARGON2_OUTPUT_PTR_NULL; ++ } ++ ++ /* Validate output length */ ++ if (ARGON2_MIN_OUTLEN > context->outlen) { ++ return ARGON2_OUTPUT_TOO_SHORT; ++ } ++ ++ if (ARGON2_MAX_OUTLEN < context->outlen) { ++ return ARGON2_OUTPUT_TOO_LONG; ++ } ++ ++ /* Validate password (required param) */ ++ if (NULL == context->pwd) { ++ if (0 != context->pwdlen) { ++ return ARGON2_PWD_PTR_MISMATCH; ++ } ++ } ++ ++ if (ARGON2_MAX_PWD_LENGTH < context->pwdlen) { ++ return ARGON2_PWD_TOO_LONG; ++ } ++ ++ /* Validate salt (required param) */ ++ if (NULL == context->salt) { ++ if (0 != context->saltlen) { ++ return ARGON2_SALT_PTR_MISMATCH; ++ } ++ } ++ ++ if (ARGON2_MIN_SALT_LENGTH > context->saltlen) { ++ return ARGON2_SALT_TOO_SHORT; ++ } ++ ++ if (ARGON2_MAX_SALT_LENGTH < context->saltlen) { ++ return ARGON2_SALT_TOO_LONG; ++ } ++ ++ /* Validate secret (optional param) */ ++ if (NULL == context->secret) { ++ if (0 != context->secretlen) { ++ return ARGON2_SECRET_PTR_MISMATCH; ++ } ++ } else { ++ if (ARGON2_MAX_SECRET < context->secretlen) { ++ return ARGON2_SECRET_TOO_LONG; ++ } ++ } ++ ++ /* Validate associated data (optional param) */ ++ if (NULL == context->ad) { ++ if (0 != context->adlen) { ++ return ARGON2_AD_PTR_MISMATCH; ++ } ++ } else { ++ if (ARGON2_MAX_AD_LENGTH < context->adlen) { ++ return ARGON2_AD_TOO_LONG; ++ } ++ } ++ ++ /* Validate memory cost */ ++ if (ARGON2_MIN_MEMORY > context->m_cost) { ++ return ARGON2_MEMORY_TOO_LITTLE; ++ } ++ ++ if (context->m_cost < 8 * context->lanes) { ++ return ARGON2_MEMORY_TOO_LITTLE; ++ } ++ ++ /* Validate time cost */ ++ if (ARGON2_MIN_TIME > context->t_cost) { ++ return ARGON2_TIME_TOO_SMALL; ++ } ++ ++ if (ARGON2_MAX_TIME < context->t_cost) { ++ return ARGON2_TIME_TOO_LARGE; ++ } ++ ++ /* Validate lanes */ ++ if (ARGON2_MIN_LANES > context->lanes) { ++ return ARGON2_LANES_TOO_FEW; ++ } ++ ++ if (ARGON2_MAX_LANES < context->lanes) { ++ return ARGON2_LANES_TOO_MANY; ++ } ++ ++ /* Validate threads */ ++ if (ARGON2_MIN_THREADS > context->threads) { ++ return ARGON2_THREADS_TOO_FEW; ++ } ++ ++ if (ARGON2_MAX_THREADS < context->threads) { ++ return ARGON2_THREADS_TOO_MANY; ++ } ++ ++ if (NULL != context->allocate_cbk && NULL == context->grub_free_cbk) { ++ return ARGON2_FREE_MEMORY_CBK_NULL; ++ } ++ ++ if (NULL == context->allocate_cbk && NULL != context->grub_free_cbk) { ++ return ARGON2_ALLOCATE_MEMORY_CBK_NULL; ++ } ++ ++ return ARGON2_OK; ++} ++ ++void fill_first_blocks(grub_uint8_t *blockhash, const argon2_instance_t *instance) { ++ grub_uint32_t l; ++ /* Make the first and second block in each lane as G(H0||0||i) or ++ G(H0||1||i) */ ++ grub_uint8_t blockhash_bytes[ARGON2_BLOCK_SIZE]; ++ for (l = 0; l < instance->lanes; ++l) { ++ ++ store32(blockhash + ARGON2_PREHASH_DIGEST_LENGTH, 0); ++ store32(blockhash + ARGON2_PREHASH_DIGEST_LENGTH + 4, l); ++ blake2b_long(blockhash_bytes, ARGON2_BLOCK_SIZE, blockhash, ++ ARGON2_PREHASH_SEED_LENGTH); ++ load_block(&instance->memory[l * instance->lane_length + 0], ++ blockhash_bytes); ++ ++ store32(blockhash + ARGON2_PREHASH_DIGEST_LENGTH, 1); ++ blake2b_long(blockhash_bytes, ARGON2_BLOCK_SIZE, blockhash, ++ ARGON2_PREHASH_SEED_LENGTH); ++ load_block(&instance->memory[l * instance->lane_length + 1], ++ blockhash_bytes); ++ } ++ clear_internal_memory(blockhash_bytes, ARGON2_BLOCK_SIZE); ++} ++ ++void initial_hash(grub_uint8_t *blockhash, argon2_context *context, ++ argon2_type type) { ++ blake2b_state BlakeHash; ++ grub_uint8_t value[sizeof(grub_uint32_t)]; ++ ++ if (NULL == context || NULL == blockhash) { ++ return; ++ } ++ ++ blake2b_init(&BlakeHash, ARGON2_PREHASH_DIGEST_LENGTH); ++ ++ store32(&value, context->lanes); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ store32(&value, context->outlen); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ store32(&value, context->m_cost); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ store32(&value, context->t_cost); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ store32(&value, context->version); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ store32(&value, (grub_uint32_t)type); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ store32(&value, context->pwdlen); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ if (context->pwd != NULL) { ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)context->pwd, ++ context->pwdlen); ++ ++ if (context->flags & ARGON2_FLAG_CLEAR_PASSWORD) { ++ secure_wipe_memory(context->pwd, context->pwdlen); ++ context->pwdlen = 0; ++ } ++ } ++ ++ store32(&value, context->saltlen); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ if (context->salt != NULL) { ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)context->salt, ++ context->saltlen); ++ } ++ ++ store32(&value, context->secretlen); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ if (context->secret != NULL) { ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)context->secret, ++ context->secretlen); ++ ++ if (context->flags & ARGON2_FLAG_CLEAR_SECRET) { ++ secure_wipe_memory(context->secret, context->secretlen); ++ context->secretlen = 0; ++ } ++ } ++ ++ store32(&value, context->adlen); ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)&value, sizeof(value)); ++ ++ if (context->ad != NULL) { ++ blake2b_update(&BlakeHash, (const grub_uint8_t *)context->ad, ++ context->adlen); ++ } ++ ++ blake2b_final(&BlakeHash, blockhash, ARGON2_PREHASH_DIGEST_LENGTH); ++} ++ ++int initialize(argon2_instance_t *instance, argon2_context *context) { ++ grub_uint8_t blockhash[ARGON2_PREHASH_SEED_LENGTH]; ++ int result = ARGON2_OK; ++ ++ if (instance == NULL || context == NULL) ++ return ARGON2_INCORRECT_PARAMETER; ++ instance->context_ptr = context; ++ ++ /* 1. Memory allocation */ ++ result = allocate_memory(context, (grub_uint8_t **)&(instance->memory), ++ instance->memory_blocks, sizeof(block)); ++ if (result != ARGON2_OK) { ++ return result; ++ } ++ ++ /* 2. Initial hashing */ ++ /* H_0 + 8 extra bytes to produce the first blocks */ ++ /* grub_uint8_t blockhash[ARGON2_PREHASH_SEED_LENGTH]; */ ++ /* Hashing all inputs */ ++ initial_hash(blockhash, context, instance->type); ++ /* Zeroing 8 extra bytes */ ++ clear_internal_memory(blockhash + ARGON2_PREHASH_DIGEST_LENGTH, ++ ARGON2_PREHASH_SEED_LENGTH - ++ ARGON2_PREHASH_DIGEST_LENGTH); ++ ++#ifdef GENKAT ++ initial_kat(blockhash, context, instance->type); ++#endif ++ ++ /* 3. Creating first blocks, we always have at least two blocks in a slice ++ */ ++ fill_first_blocks(blockhash, instance); ++ /* Clearing the hash */ ++ clear_internal_memory(blockhash, ARGON2_PREHASH_SEED_LENGTH); ++ ++ return ARGON2_OK; ++} +diff --git a/grub-core/lib/argon2/core.h b/grub-core/lib/argon2/core.h +new file mode 100644 +index 000000000..bbcd56998 +--- /dev/null ++++ b/grub-core/lib/argon2/core.h +@@ -0,0 +1,228 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#ifndef ARGON2_CORE_H ++#define ARGON2_CORE_H ++ ++#include "argon2.h" ++ ++#define CONST_CAST(x) (x)(grub_addr_t) ++ ++/**********************Argon2 internal constants*******************************/ ++ ++enum argon2_core_constants { ++ /* Memory block size in bytes */ ++ ARGON2_BLOCK_SIZE = 1024, ++ ARGON2_QWORDS_IN_BLOCK = ARGON2_BLOCK_SIZE / 8, ++ ARGON2_OWORDS_IN_BLOCK = ARGON2_BLOCK_SIZE / 16, ++ ARGON2_HWORDS_IN_BLOCK = ARGON2_BLOCK_SIZE / 32, ++ ARGON2_512BIT_WORDS_IN_BLOCK = ARGON2_BLOCK_SIZE / 64, ++ ++ /* Number of pseudo-random values generated by one call to Blake in Argon2i ++ to ++ generate reference block positions */ ++ ARGON2_ADDRESSES_IN_BLOCK = 128, ++ ++ /* Pre-hashing digest length and its extension*/ ++ ARGON2_PREHASH_DIGEST_LENGTH = 64, ++ ARGON2_PREHASH_SEED_LENGTH = 72 ++}; ++ ++/*************************Argon2 internal data types***********************/ ++ ++/* ++ * Structure for the (1KB) memory block implemented as 128 64-bit words. ++ * Memory blocks can be copied, XORed. Internal words can be accessed by [] (no ++ * bounds checking). ++ */ ++typedef struct block_ { grub_uint64_t v[ARGON2_QWORDS_IN_BLOCK]; } block; ++ ++/*****************Functions that work with the block******************/ ++ ++/* Initialize each byte of the block with @in */ ++void init_block_value(block *b, grub_uint8_t in); ++ ++/* Copy block @src to block @dst */ ++void copy_block(block *dst, const block *src); ++ ++/* XOR @src onto @dst bytewise */ ++void xor_block(block *dst, const block *src); ++ ++/* ++ * Argon2 instance: memory pointer, number of passes, amount of memory, type, ++ * and derived values. ++ * Used to evaluate the number and location of blocks to construct in each ++ * thread ++ */ ++typedef struct Argon2_instance_t { ++ block *memory; /* Memory pointer */ ++ grub_uint32_t version; ++ grub_uint32_t passes; /* Number of passes */ ++ grub_uint32_t memory_blocks; /* Number of blocks in memory */ ++ grub_uint32_t segment_length; ++ grub_uint32_t lane_length; ++ grub_uint32_t lanes; ++ grub_uint32_t threads; ++ argon2_type type; ++ int print_internals; /* whether to print the memory blocks */ ++ argon2_context *context_ptr; /* points back to original context */ ++} argon2_instance_t; ++ ++/* ++ * Argon2 position: where we construct the block right now. Used to distribute ++ * work between threads. ++ */ ++typedef struct Argon2_position_t { ++ grub_uint32_t pass; ++ grub_uint32_t lane; ++ grub_uint8_t slice; ++ grub_uint32_t index; ++} argon2_position_t; ++ ++/*Struct that holds the inputs for thread handling FillSegment*/ ++typedef struct Argon2_thread_data { ++ argon2_instance_t *instance_ptr; ++ argon2_position_t pos; ++} argon2_thread_data; ++ ++/*************************Argon2 core functions********************************/ ++ ++/* Allocates memory to the given pointer, uses the appropriate allocator as ++ * specified in the context. Total allocated memory is num*size. ++ * @param context argon2_context which specifies the allocator ++ * @param memory pointer to the pointer to the memory ++ * @param size the size in bytes for each element to be allocated ++ * @param num the number of elements to be allocated ++ * @return ARGON2_OK if @memory is a valid pointer and memory is allocated ++ */ ++int allocate_memory(const argon2_context *context, grub_uint8_t **memory, ++ grub_size_t num, grub_size_t size); ++ ++/* ++ * Frees memory at the given pointer, uses the appropriate deallocator as ++ * specified in the context. Also cleans the memory using clear_internal_memory. ++ * @param context argon2_context which specifies the deallocator ++ * @param memory pointer to buffer to be grub_freed ++ * @param size the size in bytes for each element to be deallocated ++ * @param num the number of elements to be deallocated ++ */ ++void grub_free_memory(const argon2_context *context, grub_uint8_t *memory, ++ grub_size_t num, grub_size_t size); ++ ++/* Function that securely cleans the memory. This ignores any flags set ++ * regarding clearing memory. Usually one just calls clear_internal_memory. ++ * @param mem Pointer to the memory ++ * @param s Memory size in bytes ++ */ ++void secure_wipe_memory(void *v, grub_size_t n); ++ ++/* Function that securely clears the memory if FLAG_clear_internal_memory is ++ * set. If the flag isn't set, this function does nothing. ++ * @param mem Pointer to the memory ++ * @param s Memory size in bytes ++ */ ++void clear_internal_memory(void *v, grub_size_t n); ++ ++/* ++ * Computes absolute position of reference block in the lane following a skewed ++ * distribution and using a pseudo-random value as input ++ * @param instance Pointer to the current instance ++ * @param position Pointer to the current position ++ * @param pseudo_rand 32-bit pseudo-random value used to determine the position ++ * @param same_lane Indicates if the block will be taken from the current lane. ++ * If so we can reference the current segment ++ * @pre All pointers must be valid ++ */ ++grub_uint32_t index_alpha(const argon2_instance_t *instance, ++ const argon2_position_t *position, grub_uint32_t pseudo_rand, ++ int same_lane); ++ ++/* ++ * Function that validates all inputs against predefined restrictions and return ++ * an error code ++ * @param context Pointer to current Argon2 context ++ * @return ARGON2_OK if everything is all right, otherwise one of error codes ++ * (all defined in <argon2.h> ++ */ ++int validate_inputs(const argon2_context *context); ++ ++/* ++ * Hashes all the inputs into @a blockhash[PREHASH_DIGEST_LENGTH], clears ++ * password and secret if needed ++ * @param context Pointer to the Argon2 internal structure containing memory ++ * pointer, and parameters for time and space requirements. ++ * @param blockhash Buffer for pre-hashing digest ++ * @param type Argon2 type ++ * @pre @a blockhash must have at least @a PREHASH_DIGEST_LENGTH bytes ++ * allocated ++ */ ++void initial_hash(grub_uint8_t *blockhash, argon2_context *context, ++ argon2_type type); ++ ++/* ++ * Function creates first 2 blocks per lane ++ * @param instance Pointer to the current instance ++ * @param blockhash Pointer to the pre-hashing digest ++ * @pre blockhash must point to @a PREHASH_SEED_LENGTH allocated values ++ */ ++void fill_first_blocks(grub_uint8_t *blockhash, const argon2_instance_t *instance); ++ ++/* ++ * Function allocates memory, hashes the inputs with Blake, and creates first ++ * two blocks. Returns the pointer to the main memory with 2 blocks per lane ++ * initialized ++ * @param context Pointer to the Argon2 internal structure containing memory ++ * pointer, and parameters for time and space requirements. ++ * @param instance Current Argon2 instance ++ * @return Zero if successful, -1 if memory failed to allocate. @context->state ++ * will be modified if successful. ++ */ ++int initialize(argon2_instance_t *instance, argon2_context *context); ++ ++/* ++ * XORing the last block of each lane, hashing it, making the tag. Deallocates ++ * the memory. ++ * @param context Pointer to current Argon2 context (use only the out parameters ++ * from it) ++ * @param instance Pointer to current instance of Argon2 ++ * @pre instance->state must point to necessary amount of memory ++ * @pre context->out must point to outlen bytes of memory ++ * @pre if context->grub_free_cbk is not NULL, it should point to a function that ++ * deallocates memory ++ */ ++void finalize(const argon2_context *context, argon2_instance_t *instance); ++ ++/* ++ * Function that fills the segment using previous segments also from other ++ * threads ++ * @param context current context ++ * @param instance Pointer to the current instance ++ * @param position Current position ++ * @pre all block pointers must be valid ++ */ ++void fill_segment(const argon2_instance_t *instance, ++ argon2_position_t position); ++ ++/* ++ * Function that fills the entire memory t_cost times based on the first two ++ * blocks in each lane ++ * @param instance Pointer to the current instance ++ * @return ARGON2_OK if successful, @context->state ++ */ ++int fill_memory_blocks(argon2_instance_t *instance); ++ ++#endif +diff --git a/grub-core/lib/argon2/ref.c b/grub-core/lib/argon2/ref.c +new file mode 100644 +index 000000000..c933df80d +--- /dev/null ++++ b/grub-core/lib/argon2/ref.c +@@ -0,0 +1,190 @@ ++/* ++ * Argon2 reference source code package - reference C implementations ++ * ++ * Copyright 2015 ++ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves ++ * ++ * You may use this work under the terms of a Creative Commons CC0 1.0 ++ * License/Waiver or the Apache Public License 2.0, at your option. The terms of ++ * these licenses can be found at: ++ * ++ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 ++ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 ++ * ++ * You should have received a copy of both of these licenses along with this ++ * software. If not, they may be obtained at the above URLs. ++ */ ++ ++#include "argon2.h" ++#include "core.h" ++ ++#include "blake2/blamka-round-ref.h" ++#include "blake2/blake2-impl.h" ++#include "blake2/blake2.h" ++ ++ ++/* ++ * Function fills a new memory block and optionally XORs the old block over the new one. ++ * @next_block must be initialized. ++ * @param prev_block Pointer to the previous block ++ * @param ref_block Pointer to the reference block ++ * @param next_block Pointer to the block to be constructed ++ * @param with_xor Whether to XOR into the new block (1) or just overwrite (0) ++ * @pre all block pointers must be valid ++ */ ++static void fill_block(const block *prev_block, const block *ref_block, ++ block *next_block, int with_xor) { ++ block blockR, block_tmp; ++ unsigned i; ++ ++ copy_block(&blockR, ref_block); ++ xor_block(&blockR, prev_block); ++ copy_block(&block_tmp, &blockR); ++ /* Now blockR = ref_block + prev_block and block_tmp = ref_block + prev_block */ ++ if (with_xor) { ++ /* Saving the next block contents for XOR over: */ ++ xor_block(&block_tmp, next_block); ++ /* Now blockR = ref_block + prev_block and ++ block_tmp = ref_block + prev_block + next_block */ ++ } ++ ++ /* Apply Blake2 on columns of 64-bit words: (0,1,...,15) , then ++ (16,17,..31)... finally (112,113,...127) */ ++ for (i = 0; i < 8; ++i) { ++ BLAKE2_ROUND_NOMSG( ++ blockR.v[16 * i], blockR.v[16 * i + 1], blockR.v[16 * i + 2], ++ blockR.v[16 * i + 3], blockR.v[16 * i + 4], blockR.v[16 * i + 5], ++ blockR.v[16 * i + 6], blockR.v[16 * i + 7], blockR.v[16 * i + 8], ++ blockR.v[16 * i + 9], blockR.v[16 * i + 10], blockR.v[16 * i + 11], ++ blockR.v[16 * i + 12], blockR.v[16 * i + 13], blockR.v[16 * i + 14], ++ blockR.v[16 * i + 15]); ++ } ++ ++ /* Apply Blake2 on rows of 64-bit words: (0,1,16,17,...112,113), then ++ (2,3,18,19,...,114,115).. finally (14,15,30,31,...,126,127) */ ++ for (i = 0; i < 8; i++) { ++ BLAKE2_ROUND_NOMSG( ++ blockR.v[2 * i], blockR.v[2 * i + 1], blockR.v[2 * i + 16], ++ blockR.v[2 * i + 17], blockR.v[2 * i + 32], blockR.v[2 * i + 33], ++ blockR.v[2 * i + 48], blockR.v[2 * i + 49], blockR.v[2 * i + 64], ++ blockR.v[2 * i + 65], blockR.v[2 * i + 80], blockR.v[2 * i + 81], ++ blockR.v[2 * i + 96], blockR.v[2 * i + 97], blockR.v[2 * i + 112], ++ blockR.v[2 * i + 113]); ++ } ++ ++ copy_block(next_block, &block_tmp); ++ xor_block(next_block, &blockR); ++} ++ ++static void next_addresses(block *address_block, block *input_block, ++ const block *zero_block) { ++ input_block->v[6]++; ++ fill_block(zero_block, input_block, address_block, 0); ++ fill_block(zero_block, address_block, address_block, 0); ++} ++ ++void fill_segment(const argon2_instance_t *instance, ++ argon2_position_t position) { ++ block *ref_block = NULL, *curr_block = NULL; ++ block address_block, input_block, zero_block; ++ grub_uint64_t pseudo_rand, ref_index, ref_lane; ++ grub_uint32_t prev_offset, curr_offset; ++ grub_uint32_t starting_index; ++ grub_uint32_t i; ++ int data_independent_addressing; ++ ++ if (instance == NULL) { ++ return; ++ } ++ ++ data_independent_addressing = ++ (instance->type == Argon2_i) || ++ (instance->type == Argon2_id && (position.pass == 0) && ++ (position.slice < ARGON2_SYNC_POINTS / 2)); ++ ++ if (data_independent_addressing) { ++ init_block_value(&zero_block, 0); ++ init_block_value(&input_block, 0); ++ ++ input_block.v[0] = position.pass; ++ input_block.v[1] = position.lane; ++ input_block.v[2] = position.slice; ++ input_block.v[3] = instance->memory_blocks; ++ input_block.v[4] = instance->passes; ++ input_block.v[5] = instance->type; ++ } ++ ++ starting_index = 0; ++ ++ if ((0 == position.pass) && (0 == position.slice)) { ++ starting_index = 2; /* we have already generated the first two blocks */ ++ ++ /* Don't forget to generate the first block of addresses: */ ++ if (data_independent_addressing) { ++ next_addresses(&address_block, &input_block, &zero_block); ++ } ++ } ++ ++ /* Offset of the current block */ ++ curr_offset = position.lane * instance->lane_length + ++ position.slice * instance->segment_length + starting_index; ++ ++ if (0 == curr_offset % instance->lane_length) { ++ /* Last block in this lane */ ++ prev_offset = curr_offset + instance->lane_length - 1; ++ } else { ++ /* Previous block */ ++ prev_offset = curr_offset - 1; ++ } ++ ++ for (i = starting_index; i < instance->segment_length; ++ ++i, ++curr_offset, ++prev_offset) { ++ /*1.1 Rotating prev_offset if needed */ ++ if (curr_offset % instance->lane_length == 1) { ++ prev_offset = curr_offset - 1; ++ } ++ ++ /* 1.2 Computing the index of the reference block */ ++ /* 1.2.1 Taking pseudo-random value from the previous block */ ++ if (data_independent_addressing) { ++ if (i % ARGON2_ADDRESSES_IN_BLOCK == 0) { ++ next_addresses(&address_block, &input_block, &zero_block); ++ } ++ pseudo_rand = address_block.v[i % ARGON2_ADDRESSES_IN_BLOCK]; ++ } else { ++ pseudo_rand = instance->memory[prev_offset].v[0]; ++ } ++ ++ /* 1.2.2 Computing the lane of the reference block */ ++ grub_divmod64 (pseudo_rand >> 32, instance->lanes, &ref_lane); ++ ++ if ((position.pass == 0) && (position.slice == 0)) { ++ /* Can not reference other lanes yet */ ++ ref_lane = position.lane; ++ } ++ ++ /* 1.2.3 Computing the number of possible reference block within the ++ * lane. ++ */ ++ position.index = i; ++ ref_index = index_alpha(instance, &position, pseudo_rand & 0xFFFFFFFF, ++ ref_lane == position.lane); ++ ++ /* 2 Creating a new block */ ++ ref_block = ++ instance->memory + instance->lane_length * ref_lane + ref_index; ++ curr_block = instance->memory + curr_offset; ++ if (ARGON2_VERSION_10 == instance->version) { ++ /* version 1.2.1 and earlier: overwrite, not XOR */ ++ fill_block(instance->memory + prev_offset, ref_block, curr_block, 0); ++ } else { ++ if(0 == position.pass) { ++ fill_block(instance->memory + prev_offset, ref_block, ++ curr_block, 0); ++ } else { ++ fill_block(instance->memory + prev_offset, ref_block, ++ curr_block, 1); ++ } ++ } ++ } ++} +-- +2.39.2 + diff --git a/resources/grub/patches/0006-Error-on-missing-Argon2id-parameters.patch b/resources/grub/patches/0006-Error-on-missing-Argon2id-parameters.patch new file mode 100644 index 00000000..5d56bd61 --- /dev/null +++ b/resources/grub/patches/0006-Error-on-missing-Argon2id-parameters.patch @@ -0,0 +1,58 @@ +From 0044d32121bf52c4547c6b3c78f12d7305f57e6b Mon Sep 17 00:00:00 2001 +From: Ax333l <main@axelen.xyz> +Date: Thu, 17 Aug 2023 00:00:00 +0000 +Subject: [PATCH 4/6] Error on missing Argon2id parameters + +Signed-off-by: Nicholas Johnson <nick@nicholasjohnson.ch> +--- + grub-core/disk/luks2.c | 13 ++++++++----- + 1 file changed, 8 insertions(+), 5 deletions(-) + +diff --git a/grub-core/disk/luks2.c b/grub-core/disk/luks2.c +index d5106402f..bc818ea69 100644 +--- a/grub-core/disk/luks2.c ++++ b/grub-core/disk/luks2.c +@@ -38,6 +38,7 @@ GRUB_MOD_LICENSE ("GPLv3+"); + enum grub_luks2_kdf_type + { + LUKS2_KDF_TYPE_ARGON2I, ++ LUKS2_KDF_TYPE_ARGON2ID, + LUKS2_KDF_TYPE_PBKDF2 + }; + typedef enum grub_luks2_kdf_type grub_luks2_kdf_type_t; +@@ -90,7 +91,7 @@ struct grub_luks2_keyslot + grub_int64_t time; + grub_int64_t memory; + grub_int64_t cpus; +- } argon2i; ++ } argon2; + struct + { + const char *hash; +@@ -160,10 +161,11 @@ luks2_parse_keyslot (grub_luks2_keyslot_t *out, const grub_json_t *keyslot) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "Missing or invalid KDF"); + else if (!grub_strcmp (type, "argon2i") || !grub_strcmp (type, "argon2id")) + { +- out->kdf.type = LUKS2_KDF_TYPE_ARGON2I; +- if (grub_json_getint64 (&out->kdf.u.argon2i.time, &kdf, "time") || +- grub_json_getint64 (&out->kdf.u.argon2i.memory, &kdf, "memory") || +- grub_json_getint64 (&out->kdf.u.argon2i.cpus, &kdf, "cpus")) ++ out->kdf.type = !grub_strcmp (type, "argon2i") ++ ? LUKS2_KDF_TYPE_ARGON2I : LUKS2_KDF_TYPE_ARGON2ID; ++ if (grub_json_getint64 (&out->kdf.u.argon2.time, &kdf, "time") || ++ grub_json_getint64 (&out->kdf.u.argon2.memory, &kdf, "memory") || ++ grub_json_getint64 (&out->kdf.u.argon2.cpus, &kdf, "cpus")) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "Missing Argon2i parameters"); + } + else if (!grub_strcmp (type, "pbkdf2")) +@@ -459,6 +461,7 @@ luks2_decrypt_key (grub_uint8_t *out_key, + switch (k->kdf.type) + { + case LUKS2_KDF_TYPE_ARGON2I: ++ case LUKS2_KDF_TYPE_ARGON2ID: + ret = grub_error (GRUB_ERR_BAD_ARGUMENT, "Argon2 not supported"); + goto err; + case LUKS2_KDF_TYPE_PBKDF2: +-- +2.39.2 + diff --git a/resources/grub/patches/0007-Compile-with-Argon2id-support.patch b/resources/grub/patches/0007-Compile-with-Argon2id-support.patch new file mode 100644 index 00000000..f2e26fd4 --- /dev/null +++ b/resources/grub/patches/0007-Compile-with-Argon2id-support.patch @@ -0,0 +1,83 @@ +From 0a21695c55f76f1c958bb633481d55b3168562f7 Mon Sep 17 00:00:00 2001 +From: Ax333l <main@axelen.xyz> +Date: Thu, 17 Aug 2023 00:00:00 +0000 +Subject: [PATCH 5/6] Compile with Argon2id support + +Signed-off-by: Nicholas Johnson <nick@nicholasjohnson.ch> +--- + Makefile.util.def | 6 +++++- + grub-core/Makefile.core.def | 2 +- + grub-core/disk/luks2.c | 13 +++++++++++-- + 3 files changed, 17 insertions(+), 4 deletions(-) + +diff --git a/Makefile.util.def b/Makefile.util.def +index 1e9a13d3e..a167825c3 100644 +--- a/Makefile.util.def ++++ b/Makefile.util.def +@@ -3,7 +3,7 @@ AutoGen definitions Makefile.tpl; + library = { + name = libgrubkern.a; + cflags = '$(CFLAGS_GNULIB)'; +- cppflags = '$(CPPFLAGS_GNULIB) -I$(srcdir)/grub-core/lib/json'; ++ cppflags = '$(CPPFLAGS_GNULIB) -I$(srcdir)/grub-core/lib/json -I$(srcdir)/grub-core/lib/argon2'; + + common = util/misc.c; + common = grub-core/kern/command.c; +@@ -36,6 +36,10 @@ library = { + common = grub-core/kern/misc.c; + common = grub-core/kern/partition.c; + common = grub-core/lib/crypto.c; ++ common = grub-core/lib/argon2/argon2.c; ++ common = grub-core/lib/argon2/core.c; ++ common = grub-core/lib/argon2/ref.c; ++ common = grub-core/lib/argon2/blake2/blake2b.c; + common = grub-core/lib/json/json.c; + common = grub-core/disk/luks.c; + common = grub-core/disk/luks2.c; +diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def +index 4a06789e5..e939dcc99 100644 +--- a/grub-core/Makefile.core.def ++++ b/grub-core/Makefile.core.def +@@ -1238,7 +1238,7 @@ module = { + common = disk/luks2.c; + common = lib/gnulib/base64.c; + cflags = '$(CFLAGS_POSIX) $(CFLAGS_GNULIB)'; +- cppflags = '$(CPPFLAGS_POSIX) $(CPPFLAGS_GNULIB) -I$(srcdir)/lib/json'; ++ cppflags = '$(CPPFLAGS_POSIX) $(CPPFLAGS_GNULIB) -I$(srcdir)/lib/json -I$(srcdir)/lib/argon2'; + }; + + module = { +diff --git a/grub-core/disk/luks2.c b/grub-core/disk/luks2.c +index bc818ea69..5b9eaa599 100644 +--- a/grub-core/disk/luks2.c ++++ b/grub-core/disk/luks2.c +@@ -27,6 +27,7 @@ + #include <grub/partition.h> + #include <grub/i18n.h> + ++#include <argon2.h> + #include <base64.h> + #include <json.h> + +@@ -462,8 +463,16 @@ luks2_decrypt_key (grub_uint8_t *out_key, + { + case LUKS2_KDF_TYPE_ARGON2I: + case LUKS2_KDF_TYPE_ARGON2ID: +- ret = grub_error (GRUB_ERR_BAD_ARGUMENT, "Argon2 not supported"); +- goto err; ++ ret = argon2_hash (k->kdf.u.argon2.time, k->kdf.u.argon2.memory, k->kdf.u.argon2.cpus, ++ passphrase, passphraselen, salt, saltlen, area_key, k->area.key_size, ++ k->kdf.type == LUKS2_KDF_TYPE_ARGON2I ? Argon2_i : Argon2_id, ++ ARGON2_VERSION_NUMBER); ++ if (ret) ++ { ++ grub_dprintf ("luks2", "Argon2 failed: %s\n", argon2_error_message (ret)); ++ goto err; ++ } ++ break; + case LUKS2_KDF_TYPE_PBKDF2: + hash = grub_crypto_lookup_md_by_name (k->kdf.u.pbkdf2.hash); + if (!hash) +-- +2.39.2 + diff --git a/resources/grub/patches/0008-Make-grub-install-work-with-Argon2.patch b/resources/grub/patches/0008-Make-grub-install-work-with-Argon2.patch new file mode 100644 index 00000000..dc65b7a6 --- /dev/null +++ b/resources/grub/patches/0008-Make-grub-install-work-with-Argon2.patch @@ -0,0 +1,26 @@ +From 6c9a6625c0dc038d1bdbdc13665f40e269e86496 Mon Sep 17 00:00:00 2001 +From: Ax333l <main@axelen.xyz> +Date: Thu, 17 Aug 2023 00:00:00 +0000 +Subject: [PATCH 6/6] Make grub-install work with Argon2 + +Signed-off-by: Nicholas Johnson <nick@nicholasjohnson.ch> +--- + util/grub-install.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/util/grub-install.c b/util/grub-install.c +index 1ad04db36..a8a3330b8 100644 +--- a/util/grub-install.c ++++ b/util/grub-install.c +@@ -448,6 +448,8 @@ probe_mods (grub_disk_t disk) + { + grub_util_cryptodisk_get_abstraction (disk, + push_cryptodisk_module, NULL); ++ /* HACK: always push argon2 */ ++ grub_install_push_module ("argon2"); + have_abstractions = 1; + have_cryptodisk = 1; + } +-- +2.39.2 + |