# (c) Copyright 2018 by Coinkite Inc. This file is covered by license found in COPYING-CC.
#
# Secure Element Config debugging tools.
#

from secel_config import secel_dump
from binascii import b2a_hex, a2b_hex

# copy from ae_config.h
# bytes [16..84) of chip config area
AE_CHIP_CONFIG_1 = bytes([
	0xe1, 0x00, 0x61, 0x00, 0x00, 0x00, 0x87, 0x20, 0x8f, 0x80,   \
	0x8f, 0x43, 0xaf, 0x80, 0x00, 0x43, 0x00, 0x43, 0x8f, 0x47,   \
	0xc3, 0x43, 0xc3, 0x43, 0xc7, 0x47, 0x8f, 0x80, 0x00, 0x00,   \
	0x8f, 0x4d, 0x8f, 0x43, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,   \
	0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00,   \
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,   \
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00   \
])


# bytes [90..128) of chip config area
AE_CHIP_CONFIG_2 = bytes([ \
	0x03, 0x15, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x33, 0x00,   \
	0xbc, 0x01, 0xfc, 0x01, 0xfc, 0x01, 0x9c, 0x01, 0x9c, 0x01,   \
	0xfc, 0x01, 0xdc, 0x03, 0xdc, 0x03, 0xdc, 0x07, 0xfc, 0x04,   \
	0x3c, 0x00, 0xfc, 0x01, 0xdc, 0x01, 0x3c, 0x00   \
])

        
if __name__ == '__main__':

    # observed values from unprogrammed devices
    ex_608 = a2b_hex('01236c4100006002bbe66928ee015400c0000000832087208f20c48f8f8f8f8f9f8faf8f0000000000000000000000000000af8fffffffff00000000ffffffff000000000000000000000000000000000000000000005555ffff0000000000003300330033001c001c001c001c001c003c003c003c003c003c003c003c001c00')
    ex_508 = a2b_hex('01233b7e00005000e9f5342beec05400c0005500832087208f20c48f8f8f8f8f9f8faf8f0000000000000000000000000000af8fffffffff00000000ffffffff00000000ffffffffffffffffffffffffffffffff00005555ffff0000000000003300330033001c001c001c001c001c003c003c003c003c003c003c003c001c00')

    prob = bytes([
        0x1, 0x23, 0x97, 0x42, 0x0, 0x0, 0x60, 0x2, 0x78, 0x79, 0x3, 0x6c, 0xee, 
  0x1, 0x54, 0x0, 0xe1, 0x0, 0x61, 0x0, 0x0, 0x0, 0x87, 0x20, 0x8f, 0x80, 
  0x8f, 0x43, 0xaf, 0x80, 0x0, 0x43, 0x0, 0x43, 0x8f, 0x47, 0xc3, 0x43, 0xc3, 
  0x43, 0xc7, 0x47, 0x8f, 0x80, 0x0, 0x0, 0x8f, 0x4d, 0x8f, 0x43, 0x0, 0x0, 
  0xff, 0xff, 0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0xff, 0x0, 
  0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
  0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x55, 0x0, 0xfe, 0xff, 0x3, 0x15, 0x0, 0x0, 
  0x0, 0x0, 0x3c, 0x0, 0x33, 0x0, 0xbc, 0x1, 0xfc, 0x1, 0xfc, 0x1, 0x9c, 0x1, 
  0x9c, 0x1, 0xfc, 0x1, 0xdc, 0x3, 0xdc, 0x3, 0xdc, 0x7, 0xfc, 0x4, 0x3c, 0x0, 
  0xfc, 0x1, 0xdc, 0x1, 0x3c, 0x0
      ])
    assert len(prob) == 128

    dev = ex_508

    secel_dump(dev)

    if 0:
        assert dev[16:84] == AE_CHIP_CONFIG_1
        assert dev[90:128] == AE_CHIP_CONFIG_2
        print("Bits are where they need to be")

# EOF