DES Control
DES_CTRL_OUTPUT_READY | When 1, Data decrypted/encrypted ready |
DES_CTRL_INPUT_READY | When 1, ready to encrypt/decrypt data |
DES_CTRL_DIRECTION | Select encryption/decryption 0x0: decryption is selected0x1: Encryption is selected |
DES_CTRL_TDES | Select DES or triple DES encryption/decryption |
DES_CTRL_MODE | Select CBC, ECB or CFB mode0x0: ECB mode0x1: CBC mode0x2: CFB mode0x3: reserved |
DES_CTRL_CONTEXT | If 1, this read-only status bit indicates that the context data registers can be overwritten and the host is permitted to write the next context |