import struct
from zlib import crc32
import binascii
crc_32_tab = [
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
]
def SlicLong32bit(param_1):
lVar1 = param_1 & 0xFFFFFFFF # 提取低32位
if (param_1 >> 32) & 1: # 检查高32位的最高位是否为1
lVar1 = lVar1 - 0x100000000 # 如果为1，则减去2^32，以得到正确的负数表示
return lVar1
def SlicCreateHwkey2(input_data, output_length, is_group_key):
init_crc = ctypes.c_ulonglong(0)
crs_val = ctypes.c_ulonglong(0)
#input_data = bytearray(input_data) # Convert to bytearray for easy indexing and manipulation
# Calculate CRC
for byte_val in input_data:
crs_val.value = (init_crc.value >> 8 & 0xffffff) ^ crc_32_tab[(byte_val ^ init_crc.value) & 0xff]
init_crc.value = crs_val.value
tmp_input_size = crs_val.value & 0x7fffffff+ 0x80000000
if crs_val.value > 0x1f) & 0xFF
suffix= (((item_val ^ bVar1) - bVar1) + ord('N')) & 0xFF if tmp_input_size > 0x1f)) - (tmp_input_size >> 0x1f)
# Format output
if not is_group_key:
output_str = f"{chr(suffix)}{hw_number:010d}"
else:
output_str = f"{hw_number:010d}{chr(suffix)}"
# Ensure output doesn't exceed the specified length
#output_data[:min(len(output_str), output_length)] = output_str.encode('ascii')
return output_str # Return the string for clarity, though in C it doesn't return anything
def slic_create_hwkey(in_bytes, out_len, isgroupkey):
# 初始化变量
in_bytes = in_bytes.rstrip(b'\x00')
#crs = binascii.crc32(in_bytes)
#crs = crc32(in_bytes) & 0xFFFFFFFF
init_crc = 0x0
for byte in in_bytes:
crc_index = (init_crc ^ byte) & 0xff
init_crc = crc_32_tab[crc_index] ^ (init_crc >> 8)
init_crc ^= 0xFFFFFFFF
#init_crc = - crs
#v7 = v7 +1
v10 = (init_crc & 0x7fffffff) + 0x80000000
if init_crc > -1:
v10 = init_crc & 0x7fffffff
v11 = (v10 % 0xd) & 0xff
if v10 > 0:
vPrefix = v11 + 0x41
else:
bVar1 = (v10 % 0xd >> 0x1f)& 0xff
vPrefix = ((v11 ^ bVar1) - bVar1) + 'N'
vCode = (v10 ^ v10 >> 0x1f) - (v10 >> 0x1f)
if isgroupkey:
result = f"{vCode:010d}{vPrefix:c}"
else:
result = f"{vPrefix:c}{vCode:010d}"
# Ensure the output fits within the specified length
return result[:out_len]
def calculate_checksum(data):
return
# 示例输入 mac地址
#input_data = b'S-21--1414272457-521628335--1464982477-FENGJICHENG' # 假设的输入数据，实际应用中应为实际的输入
# %0X-%0X-%0X-%0X-%0X-%0X
input_data = b'0-50-56-A7-D-13'
output_length = 256 # 假设的输出长度，实际应用中应为实际的输出长度
is_group_key = False # 假设isgroupkey的值为True
# 调用函数
#result = slic_create_hwkey(input_data, output_length, is_group_key)
result = SlicCreateHwkey2(input_data, output_length, is_group_key)
print(result)
# P1246873500
# B1246873499
