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