X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=hfal-basic.c;h=82c040bca00425931d525583e695a20308921017;hb=42251bae9cc25d0cce904fb46dd40bb051878da4;hp=3bd41e5cba92c0b18323434cbd7de9dd5d0fc6e8;hpb=32e8c149a5d05724c3cf32a9ec9b795ac9e87be3;p=avr-crypto-lib.git

diff --git a/hfal-basic.c b/hfal-basic.c
index 3bd41e5..82c040b 100644
--- a/hfal-basic.c
+++ b/hfal-basic.c
@@ -24,26 +24,28 @@
 
 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 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){
@@ -64,20 +66,38 @@ void hfal_hash_free(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;
+}