Python Solutions

convert pESn

import hashlib
meid = input("Enter a MEID: ").upper()
bytes = bytearray.fromhex(meid)
s = hashlib.sha1(bytes)
# Decode the hex MEID (convert it to binary!)
pesn = "80" + s.hexdigest()[-6:].upper()
# Put the last 6 digits of the hash after 80
print("pESN: " + pesn)