Editing Talk:SC Communication
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Latest revision | Your text | ||
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== The easy peasy lemon squeasy way (UART) (CXR/CXRF/SW) == | == The easy peasy lemon squeasy way (UART) (CXR/CXRF/SW?) == | ||
{{keyboard|content=python | |||
from binascii import unhexlify as uhx | from binascii import unhexlify as uhx | ||
from Crypto.Cipher import AES | from Crypto.Cipher import AES | ||
import sys | import sys | ||
# Auth1: 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
sc2tb = uhx('71f03f184c01c5ebc3f6a22a42ba9525') # Syscon to TestBench Key (0x130 xor 0x4578) | |||
tb2sc = uhx('907e730f4d4e0a0b7b75f030eb1d9d36') # TestBench to Syscon Key (0x130 xor 0x4588) | |||
value = uhx('3350BD7820345C29056A223BA220B323') # 0x45B8 | |||
zero = uhx('00000000000000000000000000000000') | |||
auth1r_header = uhx('10100000FFFFFFFF0000000000000000') | |||
auth2_header = uhx('10010000000000000000000000000000') | |||
def aes_decrypt_cbc(key, iv, input): | |||
return AES.new(key, AES.MODE_CBC, iv).decrypt(input) | |||
def aes_encrypt_cbc(key, iv, input): | |||
return AES.new(key, AES.MODE_CBC, iv).encrypt(input) | |||
def main(argc, argv): | def main(argc, argv): | ||
if | if argc == 2 and len(sys.argv[1]) == 128: | ||
auth1r = uhx(sys.argv[1]) | |||
if auth1r[0:0x10] == auth1r_header: | |||
data = aes_decrypt_cbc(sc2tb, zero, auth1r[0x10:0x40]) | |||
if data[0x8:0x10] == zero[0x0:0x8] and data[0x10:0x20] == value and data[0x20:0x30] == zero: | |||
#print "".join("{:02X}".format(ord(c)) for c in (auth1r_header + data)) | |||
new_data = data[0x8:0x10] + data[0x0:0x8] + zero + zero | |||
if | auth2_body = aes_encrypt_cbc(tb2sc, zero, new_data) | ||
print "".join("{:02X}".format(ord(c)) for c in (auth2_header + auth2_body)) | |||
print( | |||
else: | else: | ||
print | print "Auth1 response body invalid" | ||
else: | else: | ||
print( | print "Auth1 response header invalid" | ||
else: | |||
print "Argument (Auth1 response) missing" | |||
if __name__ == '__main__': | if __name__ == '__main__': | ||
main(len(sys.argv), sys.argv) | main(len(sys.argv), sys.argv) | ||
}} | |||
* Credits to M4j0r for the RE of this important info | * Credits to M4j0r for the RE of this important info | ||
== IDs == | == IDs == | ||
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</pre> | </pre> | ||
* Although this service is not used on Slim and some Phat consoles anymore, it is working | * Although this service is not used on Slim and some Phat consoles anymore, it is working. | ||
* It seems it have the same restrictions as NVS service. | * It seems it have the same restrictions as NVS service. | ||
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</pre> | </pre> | ||
* Although this service is not used on Slim and some Phat consoles anymore, it is working | * Although this service is not used on Slim and some Phat consoles anymore, it is working. | ||
* It seems it have the same restrictions as NVS service. | * It seems it have the same restrictions as NVS service. | ||
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See : | See : | ||
* https:// | * https://imgur.com/a/Iwv4d | ||
* https:// | * https://imgur.com/a/48gsT | ||
* database : https://www.sendspace.com/file/6awfi9 | * database : https://www.sendspace.com/file/6awfi9 | ||
For proof | For proof |