void hb_sha384_update( sha384_ctx * ctx, const void * messagev,
unsigned int len )
{
const unsigned char * message = ( const unsigned char * ) messagev;
unsigned int block_nb;
unsigned int new_len, rem_len, tmp_len;
const unsigned char * shifted_message;
tmp_len = SHA384_BLOCK_SIZE - ctx->len;
rem_len = len < tmp_len ? len : tmp_len;
HB_MEMCPY( &ctx->block[ ctx->len ], message, rem_len );
if( ctx->len + len < SHA384_BLOCK_SIZE )
{
ctx->len += len;
return;
}
new_len = len - rem_len;
block_nb = new_len / SHA384_BLOCK_SIZE;
shifted_message = message + rem_len;
sha512_transf( ctx, ctx->block, 1 );
sha512_transf( ctx, shifted_message, block_nb );
rem_len = new_len % SHA384_BLOCK_SIZE;
HB_MEMCPY( ctx->block, &shifted_message[ block_nb << 7 ],
rem_len );
ctx->len = rem_len;
ctx->tot_len += ( block_nb + 1 ) << 7;
}
void sha512_update(sha512_ctx *ctx, const unsigned char *message,
unsigned int len)
{
unsigned int block_nb;
unsigned int new_len, rem_len, tmp_len;
const unsigned char *shifted_message;
tmp_len = SHA512_BLOCK_SIZE - ctx->len;
rem_len = len < tmp_len ? len : tmp_len;
memcpy(&ctx->block[ctx->len], message, rem_len);
if (ctx->len + len < SHA512_BLOCK_SIZE) {
ctx->len += len;
return;
}
new_len = len - rem_len;
block_nb = new_len / SHA512_BLOCK_SIZE;
shifted_message = message + rem_len;
sha512_transf(ctx, ctx->block, 1);
sha512_transf(ctx, shifted_message, block_nb);
rem_len = new_len % SHA512_BLOCK_SIZE;
memcpy(ctx->block, &shifted_message[block_nb << 7],
rem_len);
ctx->len = rem_len;
ctx->tot_len += (block_nb + 1) << 7;
}
void hb_sha384_update(hb_sha384_ctx *ctx, const void *messagev,
HB_SIZE len)
{
const unsigned char * message = ( const unsigned char * ) messagev;
HB_SIZE block_nb;
HB_SIZE new_len, rem_len, tmp_len;
const unsigned char *shifted_message;
tmp_len = HB_SHA384_BLOCK_SIZE - ctx->len;
rem_len = len < tmp_len ? len : tmp_len;
memcpy(&ctx->block[ctx->len], message, rem_len);
if (ctx->len + len < HB_SHA384_BLOCK_SIZE) {
ctx->len += len;
return;
}
new_len = len - rem_len;
block_nb = new_len / HB_SHA384_BLOCK_SIZE;
shifted_message = message + rem_len;
sha512_transf(ctx, ctx->block, 1);
sha512_transf(ctx, shifted_message, block_nb);
rem_len = new_len % HB_SHA384_BLOCK_SIZE;
memcpy(ctx->block, &shifted_message[block_nb << 7],
rem_len);
ctx->len = rem_len;
ctx->tot_len += (block_nb + 1) << 7;
}
void sha384_final(sha384_ctx *ctx, unsigned char *digest)
{
unsigned int block_nb;
unsigned int pm_len;
unsigned int len_b;
#ifndef UNROLL_LOOPS
int i;
#endif
block_nb = (1 + ((SHA384_BLOCK_SIZE - 17)
< (ctx->len % SHA384_BLOCK_SIZE)));
len_b = (ctx->tot_len + ctx->len) << 3;
pm_len = block_nb << 7;
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
ctx->block[ctx->len] = 0x80;
UNPACK32(len_b, ctx->block + pm_len - 4);
sha512_transf(ctx, ctx->block, block_nb);
#ifndef UNROLL_LOOPS
for (i = 0 ; i < 6; i++) {
UNPACK64(ctx->h[i], &digest[i << 3]);
}
#else
UNPACK64(ctx->h[0], &digest[ 0]);
UNPACK64(ctx->h[1], &digest[ 8]);
UNPACK64(ctx->h[2], &digest[16]);
UNPACK64(ctx->h[3], &digest[24]);
UNPACK64(ctx->h[4], &digest[32]);
UNPACK64(ctx->h[5], &digest[40]);
#endif /* !UNROLL_LOOPS */
}
void sha512_update_final(sha512_ctx *ctx, const unsigned char *message,
unsigned int len, unsigned char *digest)
{
unsigned int block_nb;
unsigned int pm_len;
unsigned int len_b;
#ifndef UNROLL_LOOPS
int i;
#endif
memcpy(&ctx->block[ctx->len], message, len);
ctx->len += len;
/*new_len = len - rem_len;
block_nb = new_len / SHA512_BLOCK_SIZE;
shifted_message = message + rem_len;
sha512_transf(ctx, ctx->block, 1);
sha512_transf(ctx, shifted_message, block_nb);
rem_len = new_len % SHA512_BLOCK_SIZE;
memcpy(ctx->block, &shifted_message[block_nb << 7],
rem_len);
ctx->len = rem_len;
ctx->tot_len += (block_nb + 1) << 7;
*/
block_nb = 1 + ((SHA512_BLOCK_SIZE - 17)
< (ctx->len % SHA512_BLOCK_SIZE));
len_b = (ctx->tot_len + ctx->len) << 3;
pm_len = block_nb << 7;
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
ctx->block[ctx->len] = 0x80;
UNPACK32(len_b, ctx->block + pm_len - 4);
sha512_transf(ctx, ctx->block, block_nb);
#ifndef UNROLL_LOOPS
for (i = 0 ; i < 8; i++) {
UNPACK64(ctx->h[i], &digest[i << 3]);
}
#else
UNPACK64(ctx->h[0], &digest[ 0]);
UNPACK64(ctx->h[1], &digest[ 8]);
UNPACK64(ctx->h[2], &digest[16]);
UNPACK64(ctx->h[3], &digest[24]);
UNPACK64(ctx->h[4], &digest[32]);
UNPACK64(ctx->h[5], &digest[40]);
UNPACK64(ctx->h[6], &digest[48]);
UNPACK64(ctx->h[7], &digest[56]);
#endif /* !UNROLL_LOOPS */
}
void hb_sha512_final(hb_sha512_ctx *ctx, unsigned char *digest)
{
HB_SIZE block_nb;
HB_SIZE pm_len;
HB_SIZE len_b;
#ifndef UNROLL_LOOPS
int i;
#endif
block_nb = 1 + ((HB_SHA512_BLOCK_SIZE - 17)
< (ctx->len % HB_SHA512_BLOCK_SIZE));
len_b = (ctx->tot_len + ctx->len) << 3;
pm_len = block_nb << 7;
memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
ctx->block[ctx->len] = 0x80;
UNPACK32(len_b, ctx->block + pm_len - 4);
sha512_transf(ctx, ctx->block, block_nb);
#ifndef UNROLL_LOOPS
for (i = 0 ; i < 8; i++) {
UNPACK64(ctx->h[i], &digest[i << 3]);
}
#else
UNPACK64(ctx->h[0], &digest[ 0]);
UNPACK64(ctx->h[1], &digest[ 8]);
UNPACK64(ctx->h[2], &digest[16]);
UNPACK64(ctx->h[3], &digest[24]);
UNPACK64(ctx->h[4], &digest[32]);
UNPACK64(ctx->h[5], &digest[40]);
UNPACK64(ctx->h[6], &digest[48]);
UNPACK64(ctx->h[7], &digest[56]);
#endif /* !UNROLL_LOOPS */
}
