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= (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 size){
+
+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;
f =(hf_lastBlock_fpt)pgm_read_word(&(x->lastBlock));
- f(ctx->ctx, block, size);
+ f(ctx->ctx, block, length_b);
}
void hfal_hash_ctx2hash(void* dest, hfgen_ctx_t* ctx){
void hfal_hash_mem(const hfdesc_t* hash_descriptor, void* dest, const void* msg, uint32_t length_b){
void_fpt f;
- uint16_t bs,bsb;
- uint8_t ctx[pgm_read_word(&(hash_descriptor->ctxsize_B))];
- 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){
- ((hf_nextBlock_fpt)f)(ctx, msg);
- length_b -= bs;
- msg = (uint8_t*)msg + bsb;
+ f = (void_fpt)pgm_read_word(&(hash_descriptor->mem));
+ 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)));
+ ((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){
+ ((hf_nextBlock_fpt)f)(ctx, msg);
+ length_b -= bs;
+ msg = (uint8_t*)msg + bsb;
+ }
+ 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)));
+ ((hf_ctx2hash_fpt)f)(dest, ctx);
}
- 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));
- ((hf_ctx2hash_fpt)f)(dest, ctx);
-}
+}
+
+uint16_t hfal_hash_getBlocksize(const hfdesc_t* hash_descriptor){
+ uint16_t ret;
+ ret = pgm_read_word(&(hash_descriptor->blocksize_b));
+ return ret;
+}
+
+uint16_t hfal_hash_getHashsize(const hfdesc_t* hash_descriptor){
+ uint16_t ret;
+ ret = pgm_read_word(&(hash_descriptor->hashsize_b));
+ return ret;
+}