/*
* Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
-extern const int av_sha_size;
+#include "attributes.h"
+#include "version.h"
+
+/**
+ * @defgroup lavu_sha SHA
+ * @ingroup lavu_crypto
+ * @{
+ */
+
+#if FF_API_CONTEXT_SIZE
+extern attribute_deprecated const int av_sha_size;
+#endif
struct AVSHA;
/**
- * Initializes SHA-1 hashing.
+ * Allocate an AVSHA context.
+ */
+struct AVSHA *av_sha_alloc(void);
+
+/**
+ * Initialize SHA-1 or SHA-2 hashing.
*
* @param context pointer to the function context (of size av_sha_size)
* @param bits number of bits in digest (SHA-1 - 160 bits, SHA-2 224 or 256 bits)
int av_sha_init(struct AVSHA* context, int bits);
/**
- * Updates hash value.
+ * Update hash value.
*
* @param context hash function context
* @param data input data to update hash with
void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);
/**
- * Finishes hashing and output digest value.
+ * Finish hashing and output digest value.
*
* @param context hash function context
* @param digest buffer where output digest value is stored
*/
void av_sha_final(struct AVSHA* context, uint8_t *digest);
+/**
+ * @}
+ */
+
#endif /* AVUTIL_SHA_H */