from hashlib import blake2b, blake2s, sha512, sha256, sha384, sha3_384, sha3_512, shake_256

import secrets

import argparse

import sys

parser = argparse.ArgumentParser(prog='hashgen',epilog='https://github.com/X448NAX/Hashgen',description='Generate a random blake2b, blake2s, SHA3-384, SHA3-512, SHAKE256, SHA256, SHA384, or SHA512 hash using safe entropy from urandom.')

parser.version = 'hashgen v1.0.3'

parser.add_argument("--blake2b", "-b", help="hashes random entropy using blake2b", dest="blake2b", action="store_true")

parser.add_argument("--blake2s", "-s", help="hashes random entropy using blake2s (for 32 bit CPUs)", dest="blake2s", action="store_true")

parser.add_argument("--sha3", "-3", help="hashes random entropy using sha3-384", dest="sha3", action="store_true")

parser.add_argument("--sha3512", "-35", help="hashes random entropy using sha3-512", dest="sha3512", action="store_true")

parser.add_argument("--shake256", "-shake", help="hashes random entropy using shake-256", dest="shake256", action="store_true")

parser.add_argument("--sha256", "-256", help="hashes random entropy using sha256", dest="sha256", action="store_true")

parser.add_argument("--sha384", "-384", help="hashes random entropy using sha384", dest="sha384", action="store_true")

parser.add_argument("--sha512", "-512", help="hashes random entropy using sha512", dest="sha512", action="store_true")

parser.add_argument("--version", "-v", help="show program version and exit", action='version')

if len(sys.argv) < 2:

parser.print_help()

sys.exit(1)

parser.parse_args()

entropy = secrets.token_bytes(4096)

blake2b = blake2b(entropy).hexdigest()

blake2s = blake2s(entropy).hexdigest()

sha256hash = sha256(entropy).hexdigest()

sha384hash = sha384(entropy).hexdigest()

sha512hash = sha512(entropy).hexdigest()

sha3_384hash = sha3_384(entropy).hexdigest()

sha3_512hash = sha3_512(entropy).hexdigest()

shake256hash = shake_256(entropy).hexdigest(length=42)

args = parser.parse_args()

if args.blake2b:

print(blake2b)

if args.blake2s:

print(blake2s)

if args.sha256:

print(sha256hash)

if args.sha384:

print(sha384hash)

if args.sha512:

print(sha512hash)

if args.sha3:

print(sha3_384hash)

if args.sha3512:

print(sha3_512hash)

if args.shake256:

print(shake256hash)