+
−/*
+
− * This DES implementation is used for the purpose of decrypting
+
− * Pirelli's factory IMEI record; it has been lifted out of TI's
+
− * reference GSM firmware source.
+
− */
+
−
+
−#ifndef CL_DES_H
+
−#define CL_DES_H
+
−
+
−/**********************************************************************************/
+
−
+
−#define CL_DES_BUFFER_SIZE   8
+
−#define CL_DES_KEY_SIZE      8
+
−#define CL_DES_ENCRYPTION    1
+
−#define CL_DES_DECRYPTION    2
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : cl_des
+
−+------------------------------------------------------------------------------
+
−| Description : The function performs DES encrypting or decrypting
+
−|
+
−| Parameters  : inMsgPtr   : pointer to input message M. The length of message
+
−|                            has to be min. 8 bytes e.g. M = 0123456789abcdef
+
−|               desKeyPtr  : pointer to DES key. Length has to be 8 bytes
+
−|                outMsgPtr : output encrypted/decrypted message. The length is 8 b.
+
−|                     code : CL_DES_ENCRYPTION, CL_DES_DECRYPTION
+
−+------------------------------------------------------------------------------
+
−*/
+
−extern void cl_des(unsigned char *inMsgPtr, unsigned char *desKeyPtr,
+
−		   unsigned char *outMsgPtr, unsigned char code);
+
−
+
−
+
−/**********************************************************************************/
+
−
+
−#endif /* CL_DES_H */