[FFmpeg-cvslog] r10822 - trunk/libavutil/des.h
reimar
subversion
Sat Oct 20 16:45:07 CEST 2007
Author: reimar
Date: Sat Oct 20 16:45:07 2007
New Revision: 10822
Log:
Document ff_des_encdec
Modified:
trunk/libavutil/des.h
Modified: trunk/libavutil/des.h
==============================================================================
--- trunk/libavutil/des.h (original)
+++ trunk/libavutil/des.h Sat Oct 20 16:45:07 2007
@@ -22,6 +22,16 @@
#ifndef FFMPEG_DES_H
#define FFMPEG_DES_H
+/**
+ * \brief en- or decrypt an 64-bit block of data with DES
+ * \param in data to process.
+ * \param key key to use for en-/decryption.
+ * \param decrypt if 0 encrypt, else decrypt.
+ * \return processed data
+ *
+ * If your input data is in 8-bit blocks treat it as big-endian
+ * (use e.g. AV_RB64 and AV_WB64).
+ */
uint64_t ff_des_encdec(uint64_t in, uint64_t key, int decrypt);
#endif /* FFMPEG_DES_H */
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