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add nid calculator

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Asuka 2019-06-21 19:37:56 +08:00
parent 64a28f58aa
commit fe63ba0bbb
1 changed files with 16 additions and 0 deletions
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Tools/NidFromFuncName.py Normal file
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import sys, os
import struct
import hashlib
import re
NID_SUFFIX = bytes.fromhex('518D64A635DED8C1E6B039B1C3E55230')
def sha1(data):
return hashlib.sha1(data).digest()
def calculate_nid(symbol):
buff = symbol.encode() + NID_SUFFIX
return struct.unpack('<Q', sha1(buff)[:8])[0]
print(calculate_nid(sys.argv[1]))