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Document ff_des_encdec

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Originally committed as revision 10822 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2007-10-20 14:45:07 +00:00
parent 72be7db423
commit 46fb896b9d
1 changed files with 10 additions and 0 deletions
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10
libavutil/des.h
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@ -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 */