/*
* 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
*/
#ifndef AVUTIL_SHA_H
#define AVUTIL_SHA_H
+#include <stddef.h>
#include <stdint.h>
-extern const int av_sha_size;
+#include "attributes.h"
+#include "version.h"
+
+/**
+ * @defgroup lavu_sha SHA
+ * @ingroup lavu_crypto
+ * @{
+ */
struct AVSHA;
+/**
+ * Allocate an AVSHA context.
+ */
+struct AVSHA *av_sha_alloc(void);
+
/**
* Initialize SHA-1 or SHA-2 hashing.
*
/**
* Update hash value.
*
- * @param context hash function context
+ * @param ctx hash function context
* @param data input data to update hash with
* @param len input data length
*/
-void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);
+#if FF_API_CRYPTO_SIZE_T
+void av_sha_update(struct AVSHA *ctx, const uint8_t *data, unsigned int len);
+#else
+void av_sha_update(struct AVSHA *ctx, const uint8_t *data, size_t len);
+#endif
/**
* Finish hashing and output digest value.
*/
void av_sha_final(struct AVSHA* context, uint8_t *digest);
+/**
+ * @}
+ */
+
#endif /* AVUTIL_SHA_H */