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/*
Copyright (C) 2006-2007 Werner Dittmann
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Erik Eliasson <eliasson@it.kth.se>
* Johan Bilien <jobi@via.ecp.fr>
* Werner Dittmann <Werner.Dittmann@t-online.de>
*/
#include <gcrypt.h>
#include <libzrtpcpp/crypto/sha384.h>
void sha384(unsigned char* data, unsigned int dataLength,
unsigned char* mac)
{
gcry_md_hash_buffer(GCRY_MD_SHA384, mac, data, dataLength);
}
void sha384(unsigned char* dataChunks[],
unsigned int dataChunkLength[],
unsigned char* mac)
{
gcry_md_hd_t hd;
gcry_error_t err = 0;
err = gcry_md_open(&hd, GCRY_MD_SHA384, 0);
while (*dataChunks) {
gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
dataChunks++;
dataChunkLength++;
}
uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA384);
memcpy(mac, p, SHA384_DIGEST_LENGTH);
gcry_md_close (hd);
}
void* createSha384Context()
{
gcry_error_t err = 0;
gcry_md_hd_t hd;
err = gcry_md_open(&hd, GCRY_MD_SHA384, 0);
return (void*)hd;
}
void closeSha384Context(void* ctx, unsigned char* digest)
{
gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
if (digest != NULL) {
uint8_t* p = gcry_md_read (hd, GCRY_MD_SHA384);
memcpy(digest, p, SHA384_DIGEST_LENGTH);
}
gcry_md_close (hd);
}
void sha384Ctx(void* ctx, unsigned char* data,
unsigned int dataLength)
{
gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
gcry_md_write (hd, data, dataLength);
}
void sha384Ctx(void* ctx, unsigned char* dataChunks[],
unsigned int dataChunkLength[])
{
gcry_md_hd_t hd = (gcry_md_hd_t)ctx;
while (*dataChunks) {
gcry_md_write (hd, *dataChunks, (uint32_t)(*dataChunkLength));
dataChunks++;
dataChunkLength++;
}
}
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