uint8_t hfal_hash_init(const hfdesc_t* hash_descriptor, hfgen_ctx_t* ctx){
hf_init_fpt f;
+ uint16_t tmp;
ctx->desc_ptr = (hfdesc_t*)hash_descriptor;
- if(!(ctx->ctx=malloc(pgm_read_word(&(hash_descriptor->ctxsize_B)))))
+ tmp = pgm_read_word(&(hash_descriptor->ctxsize_B));
+ if(!(ctx->ctx=malloc(tmp)))
return 3;
f= (hf_init_fpt)pgm_read_word(&(hash_descriptor->init));
f(ctx->ctx);
return 0;
}
-
+
void hfal_hash_nextBlock(hfgen_ctx_t* ctx, const void* block){
hf_nextBlock_fpt f;
hfdesc_t* x=(ctx->desc_ptr);
f =(hf_nextBlock_fpt)pgm_read_word(&(x->nextBlock));
f(ctx->ctx, block);
}
-
+
void hfal_hash_lastBlock(hfgen_ctx_t* ctx, const void* block, uint16_t length_b){
hf_lastBlock_fpt f;
hfdesc_t* x=ctx->desc_ptr;
if(f){
((hf_mem_fpt)f)(dest, msg, length_b);
}else{
-
uint16_t bs,bsb;
uint8_t ctx[pgm_read_word(&(hash_descriptor->ctxsize_B))];
- f=(void_fpt)pgm_read_word(&(hash_descriptor->init));
+ f=(void_fpt)(pgm_read_word(&(hash_descriptor->init)));
((hf_init_fpt)f)(ctx);
bs=pgm_read_word(&(hash_descriptor->blocksize_b));
bsb=bs/8;
- f=(void_fpt)pgm_read_word(&(hash_descriptor->nextBlock));
- while(length_b>=bs){
+ f=(void_fpt)(pgm_read_word(&(hash_descriptor->nextBlock)));
+ while(length_b>bs){
((hf_nextBlock_fpt)f)(ctx, msg);
length_b -= bs;
msg = (uint8_t*)msg + bsb;
}
- f=(void_fpt)pgm_read_word(&(hash_descriptor->lastBlock));
+ f=(void_fpt)(pgm_read_word(&(hash_descriptor->lastBlock)));
((hf_lastBlock_fpt)f)(ctx, msg, length_b);
- f=(void_fpt)pgm_read_word(&(hash_descriptor->ctx2hash));
+ f=(void_fpt)(pgm_read_word(&(hash_descriptor->ctx2hash)));
((hf_ctx2hash_fpt)f)(dest, ctx);
}
-}
+}
uint16_t hfal_hash_getBlocksize(const hfdesc_t* hash_descriptor){
uint16_t ret;