From f312a837e919c660884ceb9c50c106df1e4c0658 Mon Sep 17 00:00:00 2001 From: Pavel Tvrdík Date: Fri, 13 Nov 2015 16:14:36 +0100 Subject: Add SHA-384/512 and HMAC-SHA-384/512 crypto hash --- lib/sha512.h | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 lib/sha512.h (limited to 'lib/sha512.h') diff --git a/lib/sha512.h b/lib/sha512.h new file mode 100644 index 00000000..bd998152 --- /dev/null +++ b/lib/sha512.h @@ -0,0 +1,73 @@ +/* + * BIRD Library -- SHA-512 and SHA-384 Hash Functions, + * HMAC-SHA-512 and HMAC-SHA-384 Functions + * + * (c) 2015 CZ.NIC z.s.p.o. + * + * Based on the code from libgcrypt-1.6.0, which is + * (c) 2003, 2006, 2008, 2009 Free Software Foundation, Inc. + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +#ifndef _BIRD_SHA512_H_ +#define _BIRD_SHA512_H_ + +#include "lib/sha256.h" + +#define SHA384_SIZE 48 +#define SHA384_HEX_SIZE 97 +#define SHA384_BLOCK_SIZE 128 + +#define SHA512_SIZE 64 +#define SHA512_HEX_SIZE 129 +#define SHA512_BLOCK_SIZE 128 + +struct sha512_state +{ + u64 h0, h1, h2, h3, h4, h5, h6, h7; +}; + +struct sha512_context +{ + struct sha256_context bctx; + struct sha512_state state; +}; +#define sha384_context sha512_context /* aliasing 'struct sha384_context' to 'struct sha512_context' */ + + +void sha512_init(struct sha512_context *ctx); +void sha384_init(struct sha384_context *ctx); + +void sha512_update(struct sha512_context *ctx, const byte *in_buf, size_t in_len); +static inline void sha384_update(struct sha384_context *ctx, const byte *in_buf, size_t in_len) +{ + sha512_update(ctx, in_buf, in_len); +} + +byte* sha512_final(struct sha512_context *ctx); +static inline byte* sha384_final(struct sha384_context *ctx) +{ + return sha512_final(ctx); +} + +/* + * HMAC-SHA512, HMAC-SHA384 + */ +struct sha512_hmac_context +{ + struct sha512_context ictx; + struct sha512_context octx; +} ; +#define sha384_hmac_context sha512_hmac_context /* aliasing 'struct sha384_hmac_context' to 'struct sha384_hmac_context' */ + +void sha512_hmac_init(struct sha512_hmac_context *ctx, const byte *key, size_t keylen); +void sha384_hmac_init(struct sha384_hmac_context *ctx, const byte *key, size_t keylen); + +void sha512_hmac_update(struct sha512_hmac_context *ctx, const byte *buf, size_t buflen); +void sha384_hmac_update(struct sha384_hmac_context *ctx, const byte *buf, size_t buflen); + +byte *sha512_hmac_final(struct sha512_hmac_context *ctx); +byte *sha384_hmac_final(struct sha384_hmac_context *ctx); + +#endif /* _BIRD_SHA512_H_ */ -- cgit v1.2.3