#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 */