Viewing file:  rsatest.py (1.2 KB) -rw-r--r--
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#!/usr/bin/env python
"""RSA demonstration.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
from M2Crypto import RSA, EVP, Rand
msg="The magic words are squeamish ossifrage."
sha1=EVP.MessageDigest('sha1')
sha1.update(msg)
dgst=sha1.digest()
priv=RSA.load_key('rsa.priv.pem')
pub=RSA.load_pub_key('rsa.pub.pem')
def test_encrypt(padding):
print 'testing public-key encryption:', padding
padding=eval('RSA.'+padding)
ctxt=pub.public_encrypt(dgst, padding)
ptxt=priv.private_decrypt(ctxt, padding)
if ptxt!=dgst:
print 'public_encrypt -> private_decrypt: not ok'
def test_sign(padding):
print 'testing private-key signing:', padding
padding=eval('RSA.'+padding)
ctxt=priv.private_encrypt(dgst, padding)
ptxt=pub.public_decrypt(ctxt, padding)
if ptxt!=dgst:
print 'private_decrypt -> public_encrypt: not ok'
def test0():
print 'testing misc.'
print `pub.e`, `pub.n`
print `priv.e`, `priv.n`
if __name__=='__main__':
Rand.load_file('randpool.dat', -1)
test_encrypt('pkcs1_padding')
test_encrypt('pkcs1_oaep_padding')
#test_encrypt('sslv23_padding')
test_sign('pkcs1_padding')
Rand.save_file('randpool.dat')
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