1 files changed, 84 insertions, 0 deletions
diff --git a/cpukit/libmd/sha512c.c b/cpukit/libmd/sha512c.c
index a93d8a44d8..abc5fd113b 100644
--- a/cpukit/libmd/sha512c.c
+++ b/cpukit/libmd/sha512c.c
@@ -1,5 +1,6 @@
 /*-
  * Copyright 2005 Colin Percival
+ * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,6 +34,7 @@ __FBSDID("$FreeBSD$");
 #include <string.h>
 
 #include "sha512.h"
+#include "sha512t.h"
 #include "sha384.h"
 
 #if BYTE_ORDER == BIG_ENDIAN
@@ -320,6 +322,88 @@ SHA512_Final(unsigned char digest[static SHA512_DIGEST_LENGTH], SHA512_CTX *ctx)
 	memset(ctx, 0, sizeof(*ctx));
 }
 
+/*** SHA-512t: *********************************************************/
+/*
+ * the SHA512t transforms are identical to SHA512 so reuse the existing function
+ */
+void
+SHA512_224_Init(SHA512_CTX * ctx)
+{
+
+	/* Zero bits processed so far */
+	ctx->count[0] = ctx->count[1] = 0;
+
+	/* Magic initialization constants */
+	ctx->state[0] = 0x8c3d37c819544da2ULL;
+	ctx->state[1] = 0x73e1996689dcd4d6ULL;
+	ctx->state[2] = 0x1dfab7ae32ff9c82ULL;
+	ctx->state[3] = 0x679dd514582f9fcfULL;
+	ctx->state[4] = 0x0f6d2b697bd44da8ULL;
+	ctx->state[5] = 0x77e36f7304c48942ULL;
+	ctx->state[6] = 0x3f9d85a86a1d36c8ULL;
+	ctx->state[7] = 0x1112e6ad91d692a1ULL;
+}
+
+void
+SHA512_224_Update(SHA512_CTX * ctx, const void *in, size_t len)
+{
+
+	SHA512_Update(ctx, in, len);
+}
+
+void
+SHA512_224_Final(unsigned char digest[static SHA512_224_DIGEST_LENGTH], SHA512_CTX * ctx)
+{
+
+	/* Add padding */
+	SHA512_Pad(ctx);
+
+	/* Write the hash */
+	be64enc_vect(digest, ctx->state, SHA512_224_DIGEST_LENGTH);
+
+	/* Clear the context state */
+	memset(ctx, 0, sizeof(*ctx));
+}
+
+void
+SHA512_256_Init(SHA512_CTX * ctx)
+{
+
+	/* Zero bits processed so far */
+	ctx->count[0] = ctx->count[1] = 0;
+
+	/* Magic initialization constants */
+	ctx->state[0] = 0x22312194fc2bf72cULL;
+	ctx->state[1] = 0x9f555fa3c84c64c2ULL;
+	ctx->state[2] = 0x2393b86b6f53b151ULL;
+	ctx->state[3] = 0x963877195940eabdULL;
+	ctx->state[4] = 0x96283ee2a88effe3ULL;
+	ctx->state[5] = 0xbe5e1e2553863992ULL;
+	ctx->state[6] = 0x2b0199fc2c85b8aaULL;
+	ctx->state[7] = 0x0eb72ddc81c52ca2ULL;
+}
+
+void
+SHA512_256_Update(SHA512_CTX * ctx, const void *in, size_t len)
+{
+
+	SHA512_Update(ctx, in, len);
+}
+
+void
+SHA512_256_Final(unsigned char digest[static SHA512_256_DIGEST_LENGTH], SHA512_CTX * ctx)
+{
+
+	/* Add padding */
+	SHA512_Pad(ctx);
+
+	/* Write the hash */
+	be64enc_vect(digest, ctx->state, SHA512_256_DIGEST_LENGTH);
+
+	/* Clear the context state */
+	memset(ctx, 0, sizeof(*ctx));
+}
+
 /*** SHA-384: *********************************************************/
 /*
  * the SHA384 and SHA512 transforms are identical, so SHA384 is skipped