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-rw-r--r--Utilities/cmlibrhash/librhash/sha256.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/Utilities/cmlibrhash/librhash/sha256.h b/Utilities/cmlibrhash/librhash/sha256.h
new file mode 100644
index 0000000000..f87ebaa697
--- /dev/null
+++ b/Utilities/cmlibrhash/librhash/sha256.h
@@ -0,0 +1,32 @@
+/* sha.h sha256 and sha224 hash functions */
+#ifndef SHA256_H
+#define SHA256_H
+#include "ustd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define sha256_block_size 64
+#define sha256_hash_size 32
+#define sha224_hash_size 28
+
+/* algorithm context */
+typedef struct sha256_ctx
+{
+ unsigned message[16]; /* 512-bit buffer for leftovers */
+ uint64_t length; /* number of processed bytes */
+ unsigned hash[8]; /* 256-bit algorithm internal hashing state */
+ unsigned digest_length; /* length of the algorithm digest in bytes */
+} sha256_ctx;
+
+void rhash_sha224_init(sha256_ctx *ctx);
+void rhash_sha256_init(sha256_ctx *ctx);
+void rhash_sha256_update(sha256_ctx *ctx, const unsigned char* data, size_t length);
+void rhash_sha256_final(sha256_ctx *ctx, unsigned char result[32]);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* SHA256_H */