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77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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* BIRD -- SHA-512 and SHA-384 Hash Functions,
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* HMAC-SHA-512 and HMAC-SHA-384 Functions
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*
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* (c) 2015 CZ.NIC z.s.p.o.
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*
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* Based on the code from libgcrypt-1.6.0, which is
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* (c) 2003, 2006, 2008, 2009 Free Software Foundation, Inc.
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_SHA512_H_
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#define _BIRD_SHA512_H_
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#include "sysdep/config.h"
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#include "lib/sha256.h"
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#define SHA384_SIZE 48
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#define SHA384_HEX_SIZE 97
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#define SHA384_BLOCK_SIZE 128
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#define SHA512_SIZE 64
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#define SHA512_HEX_SIZE 129
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#define SHA512_BLOCK_SIZE 128
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typedef struct
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{
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u64 h0, h1, h2, h3, h4, h5, h6, h7;
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} sha512_state;
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typedef struct
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{
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sha256_context bctx;
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sha512_state state;
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} sha512_context;
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typedef sha512_context sha384_context;
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void sha512_init(sha512_context *ctx);
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void sha384_init(sha384_context *ctx);
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void sha512_update(sha512_context *ctx, const byte *in_buf, size_t in_len);
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void sha384_update(sha384_context *ctx, const byte *in_buf, size_t in_len)
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{
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sha512_update(ctx, in_buf, in_len);
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}
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byte* sha512_final(sha512_context *ctx);
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byte* sha384_final(sha384_context *ctx)
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{
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return sha512_final(ctx);
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}
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static unsigned int sha512_transform(void *context, const unsigned char *data, size_t nblks);
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/**
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* HMAC-SHA512, HMAC-SHA384
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*/
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typedef struct
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{
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sha512_context ictx;
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sha512_context octx;
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} sha512_hmac_context;
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typedef sha512_hmac_context sha384_hmac_context;
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void sha512_hmac_init(sha512_hmac_context *ctx, const byte *key, size_t keylen);
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void sha384_hmac_init(sha384_hmac_context *ctx, const byte *key, size_t keylen);
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void sha512_hmac_update(sha512_hmac_context *ctx, const byte *buf, size_t buflen);
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void sha384_hmac_update(sha384_hmac_context *ctx, const byte *buf, size_t buflen);
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byte *sha512_hmac_final(sha512_hmac_context *ctx);
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byte *sha384_hmac_final(sha384_hmac_context *ctx);
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#endif /* _BIRD_SHA512_H_ */
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