Python字符串十六进制编码的破事

刚才做ctf题目发现这种十六进制编码还是挺烦的, 整理一下思绪

1 2	string <-> hex string string <-> dec integer

彻底解决这些烦人的玩意

string <-> hex string

string -> hex string

1 2 3 4 5 6

# all python version import binascii binascii.b2a_hex('string') binascii.hexlify('string') # only python2 'string'.encode('hex')

string <- hex string

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# all python version import binascii binascii.a2b_hex('737472696e67') binascii.unhexlify('737472696e67') # only python2 '737472696e67'.decode('hex')

string <-> dec integer

string -> dec integer

1 2	# string -> hex string -> integer int(binascii.hexlify('string'), 16)

string <- dec integer

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# integer -> hex string -> string binascii.unhexlify('%x' % 126943972912743) binascii.unhexlify('{0:x}'.format(126943972912743))

Reference

• https://stackoverflow.com/a/10824333