/* digest up to msglen bytes of input (full blocks only) */
static void Transform(hashState *ctx,
const uint8_t *input,
int msglen) {
/* digest message, one block at a time */
for (; msglen >= SIZE512;
msglen -= SIZE512, input += SIZE512) {
F512(ctx->chaining,(uint32_t*)input);
/* increment block counter */
ctx->block_counter1++;
if (ctx->block_counter1 == 0) ctx->block_counter2++;
}
}
/* digest up to msglen bytes of input (full blocks only) */
void Transform(hashState *ctx,
const u8 *input,
int msglen) {
//ADDED BY GURPREET
ctx->cnt_buf_ptr = ctx->statesize;
/*for block counter*/
while (ctx->cnt_buf_ptr > 0) {
ctx->counter[--ctx->cnt_buf_ptr] = (u8)ctx->cnt_block;
ctx->cnt_block >>= 8;
}
ctx->cnt_buf_ptr = ctx->statesize;
//-------
/* determine variant, SHORT or LONG, and select underlying
compression function based on the variant */
if (ctx->size == SHORT) {
/* increment block counter */
//ctx->block_counter += msglen/SIZE1024; //modified
while (msglen >= SIZE1024) {
F512(ctx->chaining,(u64*)input, (u64*)ctx->counter); //modified
//ADDSED bY GURPREET-- Feb14,2012
ctx->block_counter++;
//----------
//if (ctx->block_counter1 == 0) ctx->block_counter2++;
//ADDED BY GURPREET
//reset to last position
ctx->cnt_buf_ptr = ctx->statesize;
//set to same as block counter
ctx->cnt_block=ctx->block_counter+1;
/*for counter*/
while (ctx->cnt_buf_ptr > 0) {
ctx->counter[--ctx->cnt_buf_ptr] = (u8)ctx->cnt_block;
ctx->cnt_block >>= 8;
}
//----
msglen -= SIZE1024;
input += SIZE1024;
}
}
/* else {
// increment block counter
ctx->block_counter += msglen/SIZE1024;
while (msglen >= SIZE1024) {
F1024(ctx->chaining,(u64*)input);
msglen -= SIZE1024;
input += SIZE1024;
}
}*/
}
