BIOSUtilities/common/checksums.py
platomav 40686d5edf Improved AMI UCP > NAL unpacking
Fix potential illegal path traversals
2022-04-15 18:17:58 +03:00

21 lines
436 B
Python

#!/usr/bin/env python3
#coding=utf-8
# Get Checksum 16-bit
def get_chk_16(data, value=0, order='little'):
for idx in range(0, len(data), 2):
# noinspection PyTypeChecker
value += int.from_bytes(data[idx:idx + 2], order)
value &= 0xFFFF
return value
# Get Checksum 8-bit XOR
def get_chk_8_xor(data, value=0):
for byte in data:
value ^= byte
value ^= 0x0
return value