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74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*
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* BIRD Library -- 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 "nest/bird.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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struct sha512_context {
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u64 h0, h1, h2, h3, h4, h5, h6, h7;
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byte buf[SHA512_BLOCK_SIZE];
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uint nblocks;
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uint count;
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};
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#define sha384_context sha512_context
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void sha512_init(struct sha512_context *ctx);
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void sha384_init(struct sha384_context *ctx);
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void sha512_update(struct sha512_context *ctx, const byte *buf, size_t len);
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static inline void sha384_update(struct sha384_context *ctx, const byte *buf, size_t len)
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{ sha512_update(ctx, buf, len); }
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byte *sha512_final(struct sha512_context *ctx);
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static inline byte *sha384_final(struct sha384_context *ctx)
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{ return sha512_final(ctx); }
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/*
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* HMAC-SHA512, HMAC-SHA384
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*/
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struct sha512_hmac_context
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{
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struct sha512_context ictx;
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struct sha512_context octx;
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};
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#define sha384_hmac_context sha512_hmac_context
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void sha512_hmac_init(struct sha512_hmac_context *ctx, const byte *key, size_t keylen);
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void sha384_hmac_init(struct sha384_hmac_context *ctx, const byte *key, size_t keylen);
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void sha512_hmac_update(struct sha512_hmac_context *ctx, const byte *buf, size_t buflen);
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void sha384_hmac_update(struct sha384_hmac_context *ctx, const byte *buf, size_t buflen);
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byte *sha512_hmac_final(struct sha512_hmac_context *ctx);
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byte *sha384_hmac_final(struct sha384_hmac_context *ctx);
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#endif /* _BIRD_SHA512_H_ */
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