testing passlib http://pythonhosted.org/passlib/index.html

passlib_testing.py

from passlib.context import CryptContext

pwd_context = CryptContext(
  schemes = ["sha512_crypt"],
  default = "sha512_crypt",
  all__vary_rounds = 0.1,
  pbkdf2_sha256__default_rounds = 8000,
  )

def make_some_hash():
  hash1 = pwd_context.encrypt("a")
  hash2 = pwd_context.encrypt("b")
  hash3 = pwd_context.encrypt("a")

  print hash1
  print hash2
  print hash3

  return (hash1,hash2,hash3)

def writeout(hash1,hash2,hash3):
  outf = open("hashes.txt", "w")
  outf.write(hash1)
  outf.write("\n")
  outf.write(hash2)
  outf.write("\n")
  outf.write(hash3)
  outf.write("\n")
  outf.close()

def readin():
  inf = open("hashes.txt", "r")
  data = inf.read()
  inf.close()
  return data

def verify_data():
  data = readin()
  data = data.split()
  import string
  data = map(string.strip,data)
  print data

  print pwd_context.verify("a", data[0])
  print pwd_context.verify("a", data[1])
  print pwd_context.verify("a", data[2])

def test_writing():
  (a,b,c) = make_some_hash()
  writeout(a,b,c)

  verify_data()

test_writing()