* \file shabea.c
* \author Daniel Otte
* \date 2007-06-07
- * \brief SHABEA - a SHA Based Encrytion Algorithm implementation
+ * \brief SHABEA - a SHA Based Encryption Algorithm implementation
* \par License
* GPL
*
#define R ((uint8_t*)block+16)
void shabea256(void * block, void * key, uint16_t keysize, uint8_t enc, uint8_t rounds){
int8_t r; /**/
- uint8_t *tb; /**/
+ uint8_t tb[HALFSIZEB+2+(keysize+7)/8]; /**/
uint16_t kbs; /* bytes used for the key / temporary block */
sha256_hash_t hash;
r = (enc?0:(rounds-1));
kbs = (keysize+7)/8;
- tb = malloc(HALFSIZEB+2+kbs);
memcpy(tb+HALFSIZEB+2, key, kbs); /* copy key to temporary block */
tb[HALFSIZEB+0] = 0; /* set round counter high value to zero */
memxor(L, hash, HALFSIZE);
}
}
- free(tb);
}