1 files changed, 45 insertions, 0 deletions
diff --git a/util/sbase/sha512-256sum.c b/util/sbase/sha512-256sum.c
new file mode 100644
index 00000000..ea556b8d
--- /dev/null
+++ b/util/sbase/sha512-256sum.c
@@ -0,0 +1,45 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdint.h>
+#include <stdio.h>
+
+#include "crypt.h"
+#include "sha512-256.h"
+#include "util.h"
+
+static struct sha512_256 s;
+struct crypt_ops sha512_256_ops = {
+	sha512_256_init,
+	sha512_256_update,
+	sha512_256_sum,
+	&s,
+};
+
+static void
+usage(void)
+{
+	eprintf("usage: %s [-c] [file ...]\n", argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int ret = 0, (*cryptfunc)(int, char **, struct crypt_ops *, uint8_t *, size_t) = cryptmain;
+	uint8_t md[SHA512_256_DIGEST_LENGTH];
+
+	ARGBEGIN {
+	case 'b':
+	case 't':
+		/* ignore */
+		break;
+	case 'c':
+		cryptfunc = cryptcheck;
+		break;
+	default:
+		usage();
+	} ARGEND
+
+	ret |= cryptfunc(argc, argv, &sha512_256_ops, md, sizeof(md));
+	ret |= fshut(stdin, "<stdin>") | fshut(stdout, "<stdout>");
+
+	return ret;
+}