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Document ff_des_encdec
Originally committed as revision 10822 to svn://svn.ffmpeg.org/ffmpeg/trunk
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#ifndef FFMPEG_DES_H
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#define FFMPEG_DES_H
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/**
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* \brief en- or decrypt an 64-bit block of data with DES
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* \param in data to process.
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* \param key key to use for en-/decryption.
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* \param decrypt if 0 encrypt, else decrypt.
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* \return processed data
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*
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* If your input data is in 8-bit blocks treat it as big-endian
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* (use e.g. AV_RB64 and AV_WB64).
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*/
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uint64_t ff_des_encdec(uint64_t in, uint64_t key, int decrypt);
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#endif /* FFMPEG_DES_H */
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