X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=sha256.h;h=5f2f275c5e8353eaa196f22e0012c594a059a92e;hb=bddd3069b50823af3bc567f073f574dff74d416c;hp=80970ff3a9f03cf1bbc02ff24f8424a8947728e9;hpb=3c995d0a8faeb9d37927d48e20fc45d839e066ea;p=avr-crypto-lib.git

diff --git a/sha256.h b/sha256.h
index 80970ff..5f2f275 100644
--- a/sha256.h
+++ b/sha256.h
@@ -1,8 +1,9 @@
 /**
- * File:		sha256.h
- * Author:	Daniel Otte 
- * Date:		16.05.2006
- * License:	GPL
+ * \file		sha256-asm.h
+ * \author		Daniel Otte 
+ * \date		2006-05-16
+ * \par License	
+ * GPL
  * 
  */
 
@@ -18,6 +19,10 @@
 #define SHA256_HASH_BITS  256
 #define SHA256_BLOCK_BITS 512
 
+/**
+ * \brief sha256 context type
+ * 
+ */
 typedef struct {
 	uint32_t h[8];
 	uint64_t length;
@@ -26,10 +31,15 @@ typedef struct {
 typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8];
 
 void sha256_init(sha256_ctx_t *state);
+
 void sha256_nextBlock (sha256_ctx_t *state, void* block);
 void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length);
 
 void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state);
+
+/*
+ * length in bits!
+ */
 void sha256(sha256_hash_t *dest, void* msg, uint32_t length);
 uint32_t change_endian32(uint32_t x);