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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2007-10-20 14:45:07 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2007-10-20 14:45:07 +0000 |
| commit | 46fb896b9dde91be9646a0e7f7637487ae6236b8 (patch) | |
| tree | dff642d05b7be22f2cfc611573f456f0b6c9c8ac /libavutil/des.h | |
| parent | 72be7db4237e26b57b3d5474ae67c4b3b27c2fb2 (diff) | |
| download | ffmpeg-46fb896b9dde91be9646a0e7f7637487ae6236b8.tar.gz | |
Document ff_des_encdec
Originally committed as revision 10822 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/des.h')
| -rw-r--r-- | libavutil/des.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavutil/des.h b/libavutil/des.h index d9fe7a42e4..66dac3b9d7 100644 --- a/libavutil/des.h +++ b/libavutil/des.h @@ -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 */ |