-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.py
executable file
·150 lines (125 loc) · 6.76 KB
/
main.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
#!/usr/bin/env python3
from Crypto.Cipher import AES
from binascii import hexlify, unhexlify
import sys
class SEPROMPanicDecrypt:
_soc = ""
_panic = b""
_keys = []
_is_32bit = False
_is_old_style_panic = False
def __init__(self, soc, panic):
self._soc = soc.lower()
soc_int = int(self._soc[1:], 16)
if soc_int < 0x8015:
self._is_32bit = True
if soc_int == 0x8006:
self._is_32bit = False
if soc_int < 0x8000:
self._is_old_style_panic = True
self._panic = bytes.fromhex(panic)
self._keys = {
"t7000": bytes.fromhex("1a3f5e7c676ae321cc3d501212c36a21b453f6788dfe32f154a210fa92b36e21"), # a8
"t7001": bytes.fromhex("1a3f5e7c676ae321cc3d501212c36a21b453f6788dfe32f154a210fa92b36e21"), # a8x
"t8002": bytes.fromhex("bc8ec9cd60a3e2fb78973bba741023ec6d65179107145dd3ad5badec739df748"), # S1P/S2 Watch
"t8004": bytes.fromhex("3e652b6cf4dd293105068fb20773fde4eca1a7056dc50c139076b54bd3e51fd9"), # S3 Watch
"s8000": bytes.fromhex("ac884aef3f99476caf8f1254158bbf3dd3e48446c8e906e1c224a8c6318e4589"), # a9(Samsung)
"s8001": bytes.fromhex("ac884aef3f99476caf8f1254158bbf3dd3e48446c8e906e1c224a8c6318e4589"), # a9x
"s8003": bytes.fromhex("ac884aef3f99476caf8f1254158bbf3dd3e48446c8e906e1c224a8c6318e4589"), # a9(TSMC)
"t8006": bytes.fromhex("99f095abe48158ee3a0c72035f06ac3fdd1a5ff66365795ecbbe2e24d35c5315"), # S4/S5 Watch
"t8010": bytes.fromhex("ca80933cb9368b168f5a0699f9eea44079fe9e89f0df5db12dc2fe67cfd8350c"), # a10
"t8011": bytes.fromhex("6f94ca7e9e97e9cdb68099ccd8943937758011a853d2f9be5bedb317357be675"), # a10x
"t8012": bytes.fromhex("8246a778fa535cfe21f754c5298ed043302d2792425597b7cf2c35545a72fe48"), # T2 Chip
# "t8015": bytes.fromhex("?"), # a11
"t8020": bytes.fromhex("2e2e535499d89b8f997ebc8dc1e1122b0aa97f9401be4275c10934002d6a779f"), # a12
"t8027": bytes.fromhex("f0ee42ef0504e17258c2379113effe6a8ef3e11a8bec2156c2e88203b6665023"), # a12z/a12x/DTK
"t8030": bytes.fromhex("8d12eb734a8550ad37b68b260ef74211217bddc0a5b09fae09bd26b7b1cfcf68"), # a13
"t8101": bytes.fromhex("79d0ae2369a6dc8866deb5aa19fc696e62eb0d6940677bec25f144dcada93be1"), # a14
"t8103": bytes.fromhex("d3a3e9b2920d8da5767a5a31ebaa1022b2ba25d8dd7df1afea4735b84f46e7fc"), # M1
"t8301": bytes.fromhex("22566afd4748956a7708996b888e2da6c0fe4797da958474cafce1e87dbf31cd"), # S6/S7/S8 Watch
"t8110": bytes.fromhex("ab7be133e8a3a2f7d16bf9a8e6d23c66b86271e0572d47f623e2de4485c674c3"), # a15
"t8112": bytes.fromhex("500e80afe77ededb439cc278dfb018b9a7b14606743baa69d0af9e72b6ac802a"), # M2
"t8120": bytes.fromhex("e8328be4ce028abb239c2ba87297a0a645bddabcce10a3ee3c9b1e3cb92c4bf6"), # a16
# "t8310": bytes.fromhex("?"), # S9/S10 Watch
# "t8122": bytes.fromhex("?"), # M3
"t8130": bytes.fromhex("80176709106178272ee78e1be5717555e9ecbf467541fd6f71990ca04372c4bf"), # a17
# "t8140": bytes.fromhex("?"), # a18
# "t8132": bytes.fromhex("?"), # M4
}
if self._soc not in self._keys:
print(f"\nUnsupported SoC: ({self._soc})!")
exit(-4)
self._key = self._keys[self._soc]
self._iv = bytes.fromhex("".zfill(32))
self._trng_key = self.trng_key()
def trng_key(self):
trng_key = self._panic[:8]
self._panic = self._panic[8:] if not self._is_old_style_panic else self._panic
return trng_key
def create_encrypt_data(self, index):
return index.to_bytes(8, 'little') + self._trng_key
def decrypt_old(self):
aes = AES.new(self._key, AES.MODE_CBC, self._iv)
decrypted_data = aes.decrypt(self._panic)
for i in range(0, len(self._panic), 4):
result = int.from_bytes(decrypted_data[i:(i + 4)], byteorder="little")
print(f"0x{result:08X}")
def decrypt(self):
if self._is_old_style_panic:
self.decrypt_old()
return
loop_len = (int((len(self._panic) / 8) / 2))
for i in range(0, loop_len, 1):
data = self.create_encrypt_data(i)
aes = AES.new(self._key, AES.MODE_CBC, self._iv)
encrypted_data = aes.encrypt(data)
xor = self._panic[(i * 16):((i * 16) + 16)]
xor_key1 = int.from_bytes(encrypted_data[:8], byteorder="big")
xor_key2 = int.from_bytes(encrypted_data[8:], byteorder="big")
xor_int1 = int.from_bytes(xor[:8], byteorder="big")
xor_int2 = int.from_bytes(xor[8:16], byteorder="big")
result1 = xor_key1 ^ xor_int1
result2 = xor_key2 ^ xor_int2
result1 = result1.to_bytes(8, "big")
result2 = result2.to_bytes(8, "big")
if self._is_32bit:
tmp1 = result1
tmp2 = result2
result1 = tmp1[:4]
result2 = tmp1[4:]
result3 = tmp2[:4]
result4 = tmp2[4:]
result1 = int.from_bytes(result1, "little")
result2 = int.from_bytes(result2, "little")
result3 = int.from_bytes(result3, "little")
result4 = int.from_bytes(result4, "little")
print(f"0x{result1:08X}")
print(f"0x{result2:08X}")
print(f"0x{result3:08X}")
print(f"0x{result4:08X}")
else:
result1 = int.from_bytes(result1, "little")
result2 = int.from_bytes(result2, "little")
print(f"0x{result1:016X}")
print(f"0x{result2:016X}")
del aes
def main():
if len(sys.argv) < 3:
argv0 = sys.argv[0]
print(f"Usage: {argv0} <SoC> <SEPROM Panic Bytes>")
exit(-1)
if len(sys.argv[1]) < 5 or len(sys.argv[1]) >= 7:
argv1 = sys.argv[1]
print(f"\nInvalid SoC: ({argv1})!")
exit(-2)
if len(sys.argv[2]) > 2 and sys.argv[2][:2] == "0x":
sys.argv[2] = sys.argv[2][2:]
if len(sys.argv[2]) < 64 or len(sys.argv[2]) % 4 != 0:
argv2 = sys.argv[2]
print(f"\nInvalid SEPROM Panic Bytes: ({argv2})!")
exit(-3)
s = SEPROMPanicDecrypt(str(sys.argv[1]), str(sys.argv[2]))
s.decrypt()
return
if __name__ == '__main__':
main()