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-rw-r--r--config/grub/patches/0007-Compile-with-Argon2id-support.patch83
1 files changed, 83 insertions, 0 deletions
diff --git a/config/grub/patches/0007-Compile-with-Argon2id-support.patch b/config/grub/patches/0007-Compile-with-Argon2id-support.patch
new file mode 100644
index 00000000..f2e26fd4
--- /dev/null
+++ b/config/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
+