cryptgen

#!/usr/bin/env python

import crypt, string, random, sys, getpass

def gen_salt():
	letters=string.ascii_letters+string.digits # alphanumeric, upper and lowercase
	return ''.join([random.choice(letters) for _ in range(8)])

if len(sys.argv) < 1:
	print "Usage: %s [salt]" % (sys.argv[0])
	sys.exit()

if len(sys.argv) > 1:
	salt = sys.argv[1]
else:
	salt = gen_salt()

pprompt = lambda: (getpass.getpass(), getpass.getpass('Retype password: '))
p1, p2 = pprompt()
while p1 != p2:
	print('Passwords do not match. Try again')
	p1, p2 = pprompt()

print crypt.crypt(p1, '$1$' + salt)