40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/*
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* OpenSSL compatible SHA256 header
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*
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* Copyright (c) 2017 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef SHA256_H
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#define SHA256_H
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#define SHA256_DIGEST_LENGTH 32
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typedef struct {
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uint64_t length;
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uint32_t state[8], curlen;
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uint8_t buf[64];
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} SHA256_CTX;
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void SHA256_Init(SHA256_CTX *s);
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void SHA256_Update(SHA256_CTX *s, const uint8_t *in, unsigned long inlen);
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void SHA256_Final(uint8_t *out, SHA256_CTX *s);
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void SHA256(const uint8_t *buf, int buf_len, uint8_t *out);
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#endif /* SHA256_H */
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