def test_rsa():
rsapriv = botan2.private_key('rsa', 1536, botan2.rng())
rsapub = rsapriv.get_public_key()
print("rsapub %s SHA-1 fingerprint: %s estimated strength %d (len %d)" % (
rsapub.algo_name(), rsapub.fingerprint("SHA-1"),
rsapub.estimated_strength(), len(rsapub.encoding())
))
dec = botan2.pk_op_decrypt(rsapriv, "EME1(SHA-256)")
enc = botan2.pk_op_encrypt(rsapub, "EME1(SHA-256)")
sys_rng = botan2.rng()
symkey = sys_rng.get(32)
ctext = enc.encrypt(symkey, sys_rng)
print("ptext \'%s\' (%d)" % (hex_encode(symkey), len(symkey)))
print("ctext \'%s\' (%d)" % (hex_encode(ctext), len(ctext)))
print("decrypt \'%s\' (%d)\n" % (hex_encode(dec.decrypt(ctext)),
len(dec.decrypt(ctext))))
signer = botan2.pk_op_sign(rsapriv, 'EMSA4(SHA-384)')
signer.update('messa')
signer.update('ge')
sig = signer.finish(botan2.rng())
print("EMSA4(SHA-384) signature: %s" % hex_encode(sig))
verify = botan2.pk_op_verify(rsapub, 'EMSA4(SHA-384)')
verify.update('mess')
verify.update('age')
print("good sig accepted? %s" % verify.check_signature(sig))
verify.update('mess of things')
verify.update('age')
print("bad sig accepted? %s" % verify.check_signature(sig))
verify.update('message')
print("good sig accepted? %s\n" % verify.check_signature(sig))
def test_rsa():
rsapriv = botan2.private_key('rsa', 1536, botan2.rng())
rsapub = rsapriv.get_public_key()
print("rsapub %s SHA-1 fingerprint: %s estimated strength %d (len %d)" % (
rsapub.algo_name(), rsapub.fingerprint("SHA-1"),
rsapub.estimated_strength(), len(rsapub.encoding())
))
dec = botan2.pk_op_decrypt(rsapriv, "EME1(SHA-256)")
enc = botan2.pk_op_encrypt(rsapub, "EME1(SHA-256)")
sys_rng = botan2.rng()
symkey = sys_rng.get(32)
ctext = enc.encrypt(symkey, sys_rng)
print("ptext \'%s\' (%d)" % (hex_encode(symkey), len(symkey)))
print("ctext \'%s\' (%d)" % (hex_encode(ctext), len(ctext)))
print("decrypt \'%s\' (%d)\n" % (hex_encode(dec.decrypt(ctext)),
len(dec.decrypt(ctext))))
signer = botan2.pk_op_sign(rsapriv, 'EMSA4(SHA-384)')
signer.update('messa')
signer.update('ge')
sig = signer.finish(botan2.rng())
print("EMSA4(SHA-384) signature: %s" % hex_encode(sig))
verify = botan2.pk_op_verify(rsapub, 'EMSA4(SHA-384)')
verify.update('mess')
verify.update('age')
print("good sig accepted? %s" % verify.check_signature(sig))
verify.update('mess of things')
verify.update('age')
print("bad sig accepted? %s" % verify.check_signature(sig))
verify.update('message')
print("good sig accepted? %s\n" % verify.check_signature(sig))
def test_rsa(self):
rng = botan2.rng()
rsapriv = botan2.private_key('RSA', '1024', rng)
self.assertEqual(rsapriv.algo_name(), 'RSA')
rsapub = rsapriv.get_public_key()
self.assertEqual(rsapub.algo_name(), 'RSA')
self.assertEqual(rsapub.estimated_strength(), 80)
enc = botan2.pk_op_encrypt(rsapub, "OAEP(SHA-256)")
dec = botan2.pk_op_decrypt(rsapriv, "OAEP(SHA-256)")
symkey = rng.get(32)
ctext = enc.encrypt(symkey, rng)
ptext = dec.decrypt(ctext)
self.assertEqual(ptext, symkey)
signer = botan2.pk_op_sign(rsapriv, 'EMSA4(SHA-384)')
signer.update('messa')
signer.update('ge')
sig = signer.finish(botan2.rng())
verify = botan2.pk_op_verify(rsapub, 'EMSA4(SHA-384)')
verify.update('mess')
verify.update('age')
self.assertTrue(verify.check_signature(sig))
verify.update('mess of things')
verify.update('age')
self.assertFalse(verify.check_signature(sig))
verify.update('message')
self.assertTrue(verify.check_signature(sig))
def test_rsa(self):
rng = botan2.rng()
rsapriv = botan2.private_key('RSA', '1024', rng)
self.assertEqual(rsapriv.algo_name(), 'RSA')
rsapub = rsapriv.get_public_key()
self.assertEqual(rsapub.algo_name(), 'RSA')
self.assertEqual(rsapub.estimated_strength(), 80)
enc = botan2.pk_op_encrypt(rsapub, "OAEP(SHA-256)")
dec = botan2.pk_op_decrypt(rsapriv, "OAEP(SHA-256)")
symkey = rng.get(32)
ctext = enc.encrypt(symkey, rng)
ptext = dec.decrypt(ctext)
self.assertEqual(ptext, symkey)
signer = botan2.pk_op_sign(rsapriv, 'EMSA4(SHA-384)')
signer.update('messa')
signer.update('ge')
sig = signer.finish(botan2.rng())
verify = botan2.pk_op_verify(rsapub, 'EMSA4(SHA-384)')
verify.update('mess')
verify.update('age')
self.assertTrue(verify.check_signature(sig))
verify.update('mess of things')
verify.update('age')
self.assertFalse(verify.check_signature(sig))
verify.update('message')
self.assertTrue(verify.check_signature(sig))