* * Routine:des_func(in,out,key, enc) * * Description: * DES core function * * Parameter: * in: Input The pointer to the input plaintext 64 bits stream * out: Output The pointer to the output cipher 64 bits stream * key: Input The pointer to the 64 bits key value * enc: Input The flag * 1---- Encrypt * 0---- Decrypt

des.h
des.c

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