1 files changed, 48 insertions, 6 deletions
diff --git a/libavutil/md5.h b/libavutil/md5.h
index c26318c01d..9571c1fa46 100644
--- a/libavutil/md5.h
+++ b/libavutil/md5.h
@@ -1,23 +1,29 @@
 /*
  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+/**
+ * @file
+ * @ingroup lavu_md5
+ * Public header for MD5 hash function implementation.
+ */
+
 #ifndef AVUTIL_MD5_H
 #define AVUTIL_MD5_H
 
@@ -28,16 +34,52 @@
 
 /**
  * @defgroup lavu_md5 MD5
- * @ingroup lavu_crypto
+ * @ingroup lavu_hash
+ * MD5 hash function implementation.
+ *
  * @{
  */
 
+extern const int av_md5_size;
+
 struct AVMD5;
 
+/**
+ * Allocate an AVMD5 context.
+ */
 struct AVMD5 *av_md5_alloc(void);
+
+/**
+ * Initialize MD5 hashing.
+ *
+ * @param ctx pointer to the function context (of size av_md5_size)
+ */
 void av_md5_init(struct AVMD5 *ctx);
-void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
+
+/**
+ * Update hash value.
+ *
+ * @param ctx hash function context
+ * @param src input data to update hash with
+ * @param len input data length
+ */
+void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, int len);
+
+/**
+ * Finish hashing and output digest value.
+ *
+ * @param ctx hash function context
+ * @param dst buffer where output digest value is stored
+ */
 void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
+
+/**
+ * Hash an array of data.
+ *
+ * @param dst The output buffer to write the digest into
+ * @param src The data to hash
+ * @param len The length of the data, in bytes
+ */
 void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
 
 /**