Hashsum Calculator

hashsum_calc.py

#!/usr/bin/env python
# coding:utf-8

# Copyright (c) 2014 Ivan Cai
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import hashlib
import sys
filename = sys.argv[1]


def hashstr(hashstring):
    return "".join(map(lambda mytuple:"".join([mytuple[1]," "]) if mytuple[0]%4==0 else mytuple[1],enumerate(hashstring,start=1)))


choice = input("MD5 for 1, SHA256 for 2, SHA1 for 4:\n")
if choice == 1:  # md5
    m = hashlib.md5()
    with open(filename, "rb") as myfile:
        m.update(myfile.read())
    print("MD5 hashsum:{}".format(hashstr(m.hexdigest())))
elif choice == 2:  # sha256
    s2=hashlib.sha256()
    with open(filename, "rb") as myfile:
        s2.update(myfile.read())
    print("SHA256 hashsum:{}".format(hashstr(s2.hexdigest())))
elif choice == 4:  # sha1
    s1=hashlib.sha1()
    with open(filename, "rb") as myfile:
        s1.update(myfile.read())
    print("SHA1 hashsum:{}".format(hashstr(s1.hexdigest())))
elif choice == 3:  # md5+sha256
    m=hashlib.md5()
    with open(filename, "rb") as myfile:
        m.update(myfile.read())
    print("MD5 hashsum:{}".format(hashstr(m.hexdigest())))
    s2=hashlib.sha256()
    with open(filename, "rb") as myfile:
        s2.update(myfile.read())
    print("SHA256 hashsum:{}".format(hashstr(s2.hexdigest())))
elif choice == 5:  # md5+sha1
    m=hashlib.md5()
    with open(filename, "rb") as myfile:
        m.update(myfile.read())
    print("MD5 hashsum:{}".format(hashstr(m.hexdigest())))
    s1=hashlib.sha1()
    with open(filename, "rb") as myfile:
        s1.update(myfile.read())
    print("SHA1 hashsum:{}".format(hashstr(s1.hexdigest())))
elif choice == 6:  # sha256+sha1
    s2=hashlib.sha256()
    with open(filename, "rb") as myfile:
        s2.update(myfile.read())
    print("SHA256 hashsum:{}".format(hashstr(s2.hexdigest())))
    s1=hashlib.sha1()
    with open(filename, "rb") as myfile:
        s1.update(myfile.read())
    print("SHA1 hashsum:{}".format(hashstr(s1.hexdigest())))
elif choice == 7:  # md5+sha256+sha1
    m=hashlib.md5()
    with open(filename, "rb") as myfile:
        m.update(myfile.read())
    print("MD5 hashsum:{}".format(hashstr(m.hexdigest())))
    s2=hashlib.sha256()
    with open(filename, "rb") as myfile:
        s2.update(myfile.read())
    print("SHA256 hashsum:{}".format(hashstr(s2.hexdigest())))
    s1=hashlib.sha1()
    with open(filename, "rb") as myfile:
        s1.update(myfile.read())
    print("SHA1 hashsum:{}".format(hashstr(s1.hexdigest())))
else:
    print("Invalid.")