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Implemented 'hf iclass decrypt <tagdump>'. This performs the 3des decryption of iclass tag dumps, but requires the decryption file to be present on the filesystem

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This commit is contained in:
Martin Holst Swende 2015-02-17 22:07:40 +01:00
commit 41524d8a39
3 changed files with 138 additions and 25 deletions
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19
client/loclass/des.h
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@ -78,6 +78,25 @@ typedef struct
uint32_t sk[96]; /*!< 3DES subkeys */
}
des3_context;
/*
* Triple-DES key schedule (112-bit, encryption)
*/
int des3_set2key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
/*
* Triple-DES key schedule (112-bit, decryption)
*/
int des3_set2key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
/*
* Triple-DES key schedule (168-bit, encryption)
*/
int des3_set3key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
/*
* Triple-DES key schedule (168-bit, decryption)
*/
int des3_set3key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
/**
* \brief Set key parity on the given key to odd.