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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
#
"""
Parsing for the moduli file, which contains Diffie-Hellman prime groups.
Maintainer: Paul Swartz
"""
from typing import Dict, List, Tuple
def parseModuliFile(filename: str) -> Dict[int, List[Tuple[int, int]]]:
with open(filename) as f:
lines = f.readlines()
primes: Dict[int, List[Tuple[int, int]]] = {}
for l in lines:
l = l.strip()
if not l or l[0] == "#":
continue
tim, typ, tst, tri, sizestr, genstr, modstr = l.split()
size = int(sizestr) + 1
gen = int(genstr)
mod = int(modstr, 16)
if size not in primes:
primes[size] = []
primes[size].append((gen, mod))
return primes
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