#include <stdint.h>
#include <string.h>
+#include "config.h"
#include "sha256.h"
#define IPAD 0x36
typedef sha256_ctx_t hmac_sha256_ctx_t;
+#ifndef HMAC_SHORTONLY
+
void hmac_sha256_init(hmac_sha256_ctx_t *s, void* key, uint16_t kl){
uint8_t buffer[SHA256_BLOCK_BITS/8];
uint8_t i;
if (kl > SHA256_BLOCK_BITS){
sha256((void*)buffer, key, kl);
} else {
- memcpy(buffer, key, kl/8 + (kl & 0x7)?1:0);
+ memcpy(buffer, key, (kl+7)/8);
}
for (i=0; i<SHA256_BLOCK_BITS/8; ++i){
if (kl > SHA256_BLOCK_BITS){
sha256((void*)buffer, key, kl);
} else {
- memcpy(buffer, key, kl/8 + (kl & 0x7)?1:0);
+ memcpy(buffer, key, (kl+7)/8);
}
for (i=0; i<SHA256_BLOCK_BITS/8; ++i){
#endif
}
+#endif
+
/*
void hmac_sha256_nextBlock()
void hmac_sha256_lastBlock()
if (kl > SHA256_BLOCK_BITS){
sha256((void*)buffer, key, kl);
} else {
- memcpy(buffer, key, kl/8 + (kl & 0x7)?1:0);
+ memcpy(buffer, key, (kl+7)/8);
}
for (i=0; i<SHA256_BLOCK_BITS/8; ++i){
sha256_nextBlock(&s, buffer);
while (ml >= SHA256_BLOCK_BITS){
sha256_nextBlock(&s, msg);
- msg += SHA256_BLOCK_BITS/8;
+ msg = (uint8_t*)msg + SHA256_BLOCK_BITS/8;
ml -= SHA256_BLOCK_BITS;
}
sha256_lastBlock(&s, msg, ml);