1 files changed, 32 insertions, 0 deletions
diff --git a/Utilities/cmlibrhash/librhash/sha512.h b/Utilities/cmlibrhash/librhash/sha512.h
new file mode 100644
index 0000000000..f80ae0d8cc
--- /dev/null
+++ b/Utilities/cmlibrhash/librhash/sha512.h
@@ -0,0 +1,32 @@
+/* sha.h sha512 and sha384 hash functions */
+#ifndef SHA512_H
+#define SHA512_H
+#include "ustd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define sha512_block_size 128
+#define sha512_hash_size  64
+#define sha384_hash_size  48
+
+/* algorithm context */
+typedef struct sha512_ctx
+{
+	uint64_t message[16];   /* 1024-bit buffer for leftovers */
+	uint64_t length;        /* number of processed bytes */
+	uint64_t hash[8];       /* 512-bit algorithm internal hashing state */
+	unsigned digest_length; /* length of the algorithm digest in bytes */
+} sha512_ctx;
+
+void rhash_sha384_init(sha512_ctx* ctx);
+void rhash_sha512_init(sha512_ctx* ctx);
+void rhash_sha512_update(sha512_ctx* ctx, const unsigned char* data, size_t length);
+void rhash_sha512_final(sha512_ctx* ctx, unsigned char* result);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* SHA512_H */