14 lines
400 B
Python
14 lines
400 B
Python
from binascii import unhexlify, hexlify
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def bytes_to_int(be_bytes):
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""" Interprets a big-endian sequence of bytes as an integer. """
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return int(hexlify(be_bytes), 16)
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def int_to_bytes(value):
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""" Converts an integer to a big-endian sequence of bytes. """
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length = (value.bit_length() + 7) // 8
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s = '%x' % value
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return unhexlify(('0' * (len(s) % 2) + s).zfill(length * 2))
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