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[libucw.git] / ucw / md5.h

diff --git a/ucw/md5.h b/ucw/md5.h
index 20dafb4dd2181eaaf785d5e475c42aebc57e37a8..7d9abeba9ebf785e711df241b704d9c7126f83ab 100644 (file)
--- a/ucw/md5.h
+++ b/ucw/md5.h
@@ -7,9 +7,17 @@
 #ifndef _UCW_MD5_H
 #define _UCW_MD5_H
 
+#ifdef CONFIG_UCW_CLEAN_ABI
+#define md5_final ucw_md5_final
+#define md5_hash_buffer ucw_md5_hash_buffer
+#define md5_init ucw_md5_init
+#define md5_transform ucw_md5_transform
+#define md5_update ucw_md5_update
+#endif
+
 /**
  * Internal MD5 hash state.
- * You can use it just as a opaque handle.
+ * You should use it just as an opaque handle only.
  */
 typedef struct {
        u32 buf[4];
@@ -22,22 +30,25 @@ void md5_init(md5_context *context); /** Initialize the MD5 hashing algorithm in
  * Push another @len bytes of data from @buf to the MD5 hash
  * represented by @context. You can call it multiple time on the same
  * @context without reinitializing it and the result will be the same
- * as you concatenated all the data together and fed them here all at
+ * as if you concatenated all the data together and fed them here all at
  * once.
  */
-void md5_update(md5_context *context, const byte *buf, uns len);
+void md5_update(md5_context *context, const byte *buf, uint len);
 /**
- * Call this after the last md5_update(). It will terminate the
- * algorithm and return pointer to the result.
+ * Call this after the last @md5_update(). It will terminate the
+ * algorithm and return a pointer to the result.
  *
  * Note that the data it points to are stored inside the @context, so
  * if you use it to compute another hash or it ceases to exist, the
  * pointer becomes invalid.
+ *
+ * To convert the hash to its usual hexadecimal representation, see
+ * <<string:mem_to_hex()>>.
  */
 byte *md5_final(md5_context *context);
 
 /**
- * This is the core routine of MD5 algorithm. It takes 16 longwords of
+ * This is the core routine of the MD5 algorithm. It takes 16 longwords of
  * data in @in and transforms the hash in @buf according to them.
  *
  * You probably do not want to call this one directly.
@@ -49,12 +60,13 @@ void md5_transform(u32 buf[4], const u32 in[16]);
  * @buffer, creates the hash from them and returns it in @output.
  *
  * It is equivalent to this code:
+ *
  *  md5_context c;
  *  md5_init(&c);
  *  md5_update(&c, buffer, length);
  *  memcpy(outbuf, md5_final(&c), MD5_SIZE);
  */
-void md5_hash_buffer(byte *outbuf, const byte *buffer, uns length);
+void md5_hash_buffer(byte *outbuf, const byte *buffer, uint length);
 
 #define MD5_HEX_SIZE 33 /** How many bytes a string buffer for MD5 in hexadecimal format should have. **/
 #define MD5_SIZE 16 /** Number of bytes the MD5 hash takes in the binary form. **/