This is from the current bank, use the " standard DES algorithm" , des/undes can specify the length (up to integer multiple of 8) data encryption and decryption, key is 8 bytes in length. This procedure used in the DSP5501 up, remove the definition of technical paragraph, can be transferred to the PC, such as on the environment.

DES
...\DES.c
...\DES.h

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