status-go/vendor/github.com/mutecomm/go-sqlcipher/hmac_process.c

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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
*/
#include "tomcrypt.h"
/**
@file hmac_process.c
LTC_HMAC support, process data, Tom St Denis/Dobes Vandermeer
*/
#ifdef LTC_HMAC
/**
Process data through LTC_HMAC
@param hmac The hmac state
@param in The data to send through LTC_HMAC
@param inlen The length of the data to LTC_HMAC (octets)
@return CRYPT_OK if successful
*/
int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen)
{
int err;
LTC_ARGCHK(hmac != NULL);
LTC_ARGCHK(in != NULL);
if ((err = hash_is_valid(hmac->hash)) != CRYPT_OK) {
return err;
}
return hash_descriptor[hmac->hash].process(&hmac->md, in, inlen);
}
#endif
/* $Source$ */
/* $Revision$ */
/* $Date$ */