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Add hmac sha1 #14

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Add hmac sha1 #14

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9529c2e
hashes: add SHA-1 hashing algorithm
OlegHahm Jan 27, 2016
63cce49
tests: added unittests for SHA-1
OlegHahm Jan 27, 2016
5763b6b
SQUASH ME: [ci skip] added missing license and doxygen header
OlegHahm Jan 27, 2016
8bf273c
SQUASH ME: added all-in-one sha1 function
OlegHahm Jan 28, 2016
3ab71ba
SQUASH ME: updated unittests
OlegHahm Jan 28, 2016
e0275ca
Merge branch 'sha1' of https://github.com/OlegHahm/RIOT into add_hmac…
Jan 28, 2016
28082c4
sha1: add hmac
Jan 28, 2016
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SQUASH ME: added all-in-one sha1 function
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@OlegHahm
OlegHahm committed Jan 28, 2016
commit 8bf273ca526ff6275c23b746bff7c259766e039c
8 changes: 8 additions & 0 deletions sys/hashes/sha1.c
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Original file line number Diff line number Diff line change
Expand Up @@ -154,3 +154,11 @@ uint8_t *sha1_final(sha1_context *s)
/* Return pointer to hash (20 characters) */
return (uint8_t *) s->state;
}

void sha1(uint8_t *dst, const uint8_t *src, size_t len)
{
sha1_context ctx;
sha1_init(&ctx);
sha1_update(&ctx, (unsigned char*) src, len);
memcpy(dst, sha1_final(&ctx), SHA1_DIGEST_LENGTH);
}
9 changes: 9 additions & 0 deletions sys/include/hashes/sha1.h
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Expand Up @@ -77,6 +77,15 @@ void sha1_update(sha1_context *s, const unsigned char *data, size_t len);
*/
uint8_t *sha1_final(sha1_context *s);

/**
* @brief Calculate a SHA1 hash from the given data
*
* @param[out] dst Result location, must be 20 byte
* @param[in] src Input data
* @param[in] len Length of @p buf
*/
void sha1(uint8_t *dst, const uint8_t *src, size_t len);

#ifdef __cplusplus
}
#endif
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