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sha256: add wrapper #306

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merged 1 commit into from
Apr 3, 2022
Merged

sha256: add wrapper #306

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1 change: 1 addition & 0 deletions include/re_sha.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,3 +25,4 @@
#endif

void sha1(const uint8_t *d, size_t n, uint8_t *md);
void sha256(const uint8_t *d, size_t n, uint8_t *md);
23 changes: 23 additions & 0 deletions src/sha/wrap.c
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
/**
* @file wrap.c SHA wrappers
*
* Copyright (C) 2022 Alfred E. Heggestad
* Copyright (C) 2022 Sebastian Reimers <hallo@studio-link.de>
*/

Expand Down Expand Up @@ -33,3 +34,25 @@ void sha1(const uint8_t *d, size_t n, uint8_t *md)
#error missing SHA-1 backend
#endif
}


/**
* Calculate the SHA256 hash from a buffer
*
* @param d Data buffer (input)
* @param n Number of input bytes
* @param md Calculated SHA1 hash (output)
*/
void sha256(const uint8_t *d, size_t n, uint8_t *md)
{
#ifdef USE_OPENSSL
(void)SHA256(d, n, md);
#elif defined (__APPLE__)
CC_SHA256(d, (uint32_t)n, md);
#else
(void)d;
(void)n;
(void)md;
#error missing SHA-256 backend
#endif
}