py3: fix salt/utils/rsax931.py and tests

This commit is contained in:
Michael Steed 2015-06-05 13:04:42 -06:00
parent 4bad02e1f7
commit a4c8e3172d
2 changed files with 67 additions and 61 deletions

View File

@ -6,6 +6,9 @@ Create and verify ANSI X9.31 RSA signatures using OpenSSL libcrypto
# python libs
from __future__ import absolute_import
# salt libs
import salt.utils
# 3rd-party libs
from ctypes import cdll, c_char_p, c_int, c_void_p, pointer, create_string_buffer
from ctypes.util import find_library
@ -67,6 +70,7 @@ class RSAX931Signer(object):
:param str keydata: The RSA private key in PEM format
'''
keydata = salt.utils.to_bytes(keydata, 'ascii')
self._bio = libcrypto.BIO_new_mem_buf(keydata, len(keydata))
self._rsa = c_void_p(libcrypto.RSA_new())
if not libcrypto.PEM_read_bio_RSAPrivateKey(self._bio, pointer(self._rsa), None, None):
@ -86,6 +90,7 @@ class RSAX931Signer(object):
'''
# Allocate a buffer large enough for the signature. Freed by ctypes.
buf = create_string_buffer(libcrypto.RSA_size(self._rsa))
msg = salt.utils.to_bytes(msg)
size = libcrypto.RSA_private_encrypt(len(msg), msg, buf, self._rsa, RSA_X931_PADDING)
if size < 0:
raise ValueError('Unable to encrypt message')
@ -102,6 +107,7 @@ class RSAX931Verifier(object):
:param str pubdata: The RSA public key in PEM format
'''
pubdata = salt.utils.to_bytes(pubdata, 'ascii')
self._bio = libcrypto.BIO_new_mem_buf(pubdata, len(pubdata))
self._rsa = c_void_p(libcrypto.RSA_new())
if not libcrypto.PEM_read_bio_RSA_PUBKEY(self._bio, pointer(self._rsa), None, None):
@ -122,6 +128,7 @@ class RSAX931Verifier(object):
'''
# Allocate a buffer large enough for the signature. Freed by ctypes.
buf = create_string_buffer(libcrypto.RSA_size(self._rsa))
signed = salt.utils.to_bytes(signed)
size = libcrypto.RSA_public_decrypt(len(signed), signed, buf, self._rsa, RSA_X931_PADDING)
if size < 0:
raise ValueError('Unable to decrypt message')

View File

@ -5,7 +5,6 @@ Test the RSA ANSI X9.31 signer and verifier
# python libs
from __future__ import absolute_import
import textwrap
# salt testing libs
from salttesting import TestCase
@ -19,68 +18,68 @@ from salt.utils.rsax931 import RSAX931Signer, RSAX931Verifier
class RSAX931Test(TestCase):
privkey_data = textwrap.dedent('''\
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----''')
privkey_data = (
'-----BEGIN RSA PRIVATE KEY-----\n'
'MIIEpAIBAAKCAQEA75GR6ZTv5JOv90Vq8tKhKC7YQnhDIo2hM0HVziTEk5R4UQBW\n'
'a0CKytFMbTONY2msEDwX9iA0x7F5Lgj0X8eD4ZMsYqLzqjWMekLC8bjhxc+EuPo9\n'
'Dygu3mJ2VgRC7XhlFpmdo5NN8J2E7B/CNB3R4hOcMMZNZdi0xLtFoTfwU61UPfFX\n'
'14mV2laqLbvDEfQLJhUTDeFFV8EN5Z4H1ttLP3sMXJvc3EvM0JiDVj4l1TWFUHHz\n'
'eFgCA1Im0lv8i7PFrgW7nyMfK9uDSsUmIp7k6ai4tVzwkTmV5PsriP1ju88Lo3MB\n'
'4/sUmDv/JmlZ9YyzTO3Po8Uz3Aeq9HJWyBWHAQIDAQABAoIBAGOzBzBYZUWRGOgl\n'
'IY8QjTT12dY/ymC05GM6gMobjxuD7FZ5d32HDLu/QrknfS3kKlFPUQGDAbQhbbb0\n'
'zw6VL5NO9mfOPO2W/3FaG1sRgBQcerWonoSSSn8OJwVBHMFLG3a+U1Zh1UvPoiPK\n'
'S734swIM+zFpNYivGPvOm/muF/waFf8tF/47t1cwt/JGXYQnkG/P7z0vp47Irpsb\n'
'Yjw7vPe4BnbY6SppSxscW3KoV7GtJLFKIxAXbxsuJMF/rYe3O3w2VKJ1Sug1VDJl\n'
'/GytwAkSUer84WwP2b07Wn4c5pCnmLslMgXCLkENgi1NnJMhYVOnckxGDZk54hqP\n'
'9RbLnkkCgYEA/yKuWEvgdzYRYkqpzB0l9ka7Y00CV4Dha9Of6GjQi9i4VCJ/UFVr\n'
'UlhTo5y0ZzpcDAPcoZf5CFZsD90a/BpQ3YTtdln2MMCL/Kr3QFmetkmDrt+3wYnX\n'
'sKESfsa2nZdOATRpl1antpwyD4RzsAeOPwBiACj4fkq5iZJBSI0bxrMCgYEA8GFi\n'
'qAjgKh81/Uai6KWTOW2kX02LEMVRrnZLQ9VPPLGid4KZDDk1/dEfxjjkcyOxX1Ux\n'
'Klu4W8ZEdZyzPcJrfk7PdopfGOfrhWzkREK9C40H7ou/1jUecq/STPfSOmxh3Y+D\n'
'ifMNO6z4sQAHx8VaHaxVsJ7SGR/spr0pkZL+NXsCgYEA84rIgBKWB1W+TGRXJzdf\n'
'yHIGaCjXpm2pQMN3LmP3RrcuZWm0vBt94dHcrR5l+u/zc6iwEDTAjJvqdU4rdyEr\n'
'tfkwr7v6TNlQB3WvpWanIPyVzfVSNFX/ZWSsAgZvxYjr9ixw6vzWBXOeOb/Gqu7b\n'
'cvpLkjmJ0wxDhbXtyXKhZA8CgYBZyvcQb+hUs732M4mtQBSD0kohc5TsGdlOQ1AQ\n'
'McFcmbpnzDghkclyW8jzwdLMk9uxEeDAwuxWE/UEvhlSi6qdzxC+Zifp5NBc0fVe\n'
'7lMx2mfJGxj5CnSqQLVdHQHB4zSXkAGB6XHbBd0MOUeuvzDPfs2voVQ4IG3FR0oc\n'
'3/znuwKBgQChZGH3McQcxmLA28aUwOVbWssfXKdDCsiJO+PEXXlL0maO3SbnFn+Q\n'
'Tyf8oHI5cdP7AbwDSx9bUfRPjg9dKKmATBFr2bn216pjGxK0OjYOCntFTVr0psRB\n'
'CrKg52Qrq71/2l4V2NLQZU40Dr1bN9V+Ftd9L0pvpCAEAWpIbLXGDw==\n'
'-----END RSA PRIVATE KEY-----')
pubkey_data = textwrap.dedent('''\
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA75GR6ZTv5JOv90Vq8tKh
KC7YQnhDIo2hM0HVziTEk5R4UQBWa0CKytFMbTONY2msEDwX9iA0x7F5Lgj0X8eD
4ZMsYqLzqjWMekLC8bjhxc+EuPo9Dygu3mJ2VgRC7XhlFpmdo5NN8J2E7B/CNB3R
4hOcMMZNZdi0xLtFoTfwU61UPfFX14mV2laqLbvDEfQLJhUTDeFFV8EN5Z4H1ttL
P3sMXJvc3EvM0JiDVj4l1TWFUHHzeFgCA1Im0lv8i7PFrgW7nyMfK9uDSsUmIp7k
6ai4tVzwkTmV5PsriP1ju88Lo3MB4/sUmDv/JmlZ9YyzTO3Po8Uz3Aeq9HJWyBWH
AQIDAQAB
-----END PUBLIC KEY-----''')
pubkey_data = (
'-----BEGIN PUBLIC KEY-----\n'
'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA75GR6ZTv5JOv90Vq8tKh\n'
'KC7YQnhDIo2hM0HVziTEk5R4UQBWa0CKytFMbTONY2msEDwX9iA0x7F5Lgj0X8eD\n'
'4ZMsYqLzqjWMekLC8bjhxc+EuPo9Dygu3mJ2VgRC7XhlFpmdo5NN8J2E7B/CNB3R\n'
'4hOcMMZNZdi0xLtFoTfwU61UPfFX14mV2laqLbvDEfQLJhUTDeFFV8EN5Z4H1ttL\n'
'P3sMXJvc3EvM0JiDVj4l1TWFUHHzeFgCA1Im0lv8i7PFrgW7nyMfK9uDSsUmIp7k\n'
'6ai4tVzwkTmV5PsriP1ju88Lo3MB4/sUmDv/JmlZ9YyzTO3Po8Uz3Aeq9HJWyBWH\n'
'AQIDAQAB\n'
'-----END PUBLIC KEY-----')
hello_world = 'hello, world'
hello_world = b'hello, world'
hello_world_sig = \
'\x63\xa0\x70\xd2\xe4\xd4\x6b\x8a\xa2\x59\x27\x5f\x00\x69' \
'\x1e\x3c\x50\xed\x50\x13\x09\x80\xe3\x47\x4e\x14\xb5\x7c' \
'\x07\x26\x4e\x20\x74\xea\x0e\xf8\xda\xff\x1e\x57\x8c\x67' \
'\x76\x73\xaa\xea\x0f\x0a\xe7\xa2\xe3\x88\xfc\x09\x87\x36' \
'\x01\x3a\xb7\x4c\x40\xe0\xf4\x54\xc5\xf1\xaa\xb2\x1d\x7f' \
'\xb6\xd3\xa8\xdd\x28\x69\x8b\x88\xe4\x42\x1e\x48\x3e\x1f' \
'\xe2\x2b\x3c\x7c\x85\x11\xe9\x59\xd7\xf3\xc2\x21\xd3\x55' \
'\xcb\x9c\x3c\x93\xcc\x20\xdf\x64\x81\xd0\x0d\xbf\x8e\x8d' \
'\x47\xec\x1d\x9e\x27\xec\x12\xed\x8b\x5f\xd6\x1d\xec\x8d' \
'\x77\x5a\x58\x8a\x24\xb6\x0f\x12\xb7\x51\xef\x7d\x85\x0f' \
'\x49\x39\x02\x81\x15\x08\x70\xd6\xe0\x0b\x31\xff\x5f\xf9' \
'\xd1\x92\x38\x59\x8c\x22\x9c\xbb\xbf\xcf\x85\x34\xe2\x47' \
'\xf5\xe2\xaa\xb4\x62\x33\x3c\x13\x78\x33\x87\x08\x9e\xb5' \
'\xbc\x5d\xc1\xbf\x79\x7c\xfa\x5f\x06\x6a\x3b\x17\x40\x09' \
'\xb9\x09\xbf\x32\xc3\x00\xe2\xbc\x91\x77\x14\xa5\x23\xf5' \
'\xf5\xf1\x09\x12\x38\xda\x3b\x6a\x82\x81\x7b\x5e\x1c\xcb' \
'\xaa\x36\x9b\x08\x36\x03\x14\x96\xa3\x31\x39\x59\x16\x75' \
'\xc9\xb6\x66\x94\x1b\x97\xff\xc8\xa1\xe3\x21\x35\x23\x06' \
'\x4c\x9b\xf4\xee'
hello_world_sig = (
b'\x63\xa0\x70\xd2\xe4\xd4\x6b\x8a\xa2\x59\x27\x5f\x00\x69'
b'\x1e\x3c\x50\xed\x50\x13\x09\x80\xe3\x47\x4e\x14\xb5\x7c'
b'\x07\x26\x4e\x20\x74\xea\x0e\xf8\xda\xff\x1e\x57\x8c\x67'
b'\x76\x73\xaa\xea\x0f\x0a\xe7\xa2\xe3\x88\xfc\x09\x87\x36'
b'\x01\x3a\xb7\x4c\x40\xe0\xf4\x54\xc5\xf1\xaa\xb2\x1d\x7f'
b'\xb6\xd3\xa8\xdd\x28\x69\x8b\x88\xe4\x42\x1e\x48\x3e\x1f'
b'\xe2\x2b\x3c\x7c\x85\x11\xe9\x59\xd7\xf3\xc2\x21\xd3\x55'
b'\xcb\x9c\x3c\x93\xcc\x20\xdf\x64\x81\xd0\x0d\xbf\x8e\x8d'
b'\x47\xec\x1d\x9e\x27\xec\x12\xed\x8b\x5f\xd6\x1d\xec\x8d'
b'\x77\x5a\x58\x8a\x24\xb6\x0f\x12\xb7\x51\xef\x7d\x85\x0f'
b'\x49\x39\x02\x81\x15\x08\x70\xd6\xe0\x0b\x31\xff\x5f\xf9'
b'\xd1\x92\x38\x59\x8c\x22\x9c\xbb\xbf\xcf\x85\x34\xe2\x47'
b'\xf5\xe2\xaa\xb4\x62\x33\x3c\x13\x78\x33\x87\x08\x9e\xb5'
b'\xbc\x5d\xc1\xbf\x79\x7c\xfa\x5f\x06\x6a\x3b\x17\x40\x09'
b'\xb9\x09\xbf\x32\xc3\x00\xe2\xbc\x91\x77\x14\xa5\x23\xf5'
b'\xf5\xf1\x09\x12\x38\xda\x3b\x6a\x82\x81\x7b\x5e\x1c\xcb'
b'\xaa\x36\x9b\x08\x36\x03\x14\x96\xa3\x31\x39\x59\x16\x75'
b'\xc9\xb6\x66\x94\x1b\x97\xff\xc8\xa1\xe3\x21\x35\x23\x06'
b'\x4c\x9b\xf4\xee')
def test_signer(self):
with self.assertRaises(ValueError):
@ -105,7 +104,7 @@ class RSAX931Test(TestCase):
with self.assertRaises(ValueError):
verifier.verify('')
with self.assertRaises(ValueError):
verifier.verify(RSAX931Test.hello_world_sig + 'junk')
verifier.verify(RSAX931Test.hello_world_sig + b'junk')
msg = verifier.verify(RSAX931Test.hello_world_sig)
self.assertEqual(RSAX931Test.hello_world, msg)