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mock: Port to Python 3
https://bugzilla.gnome.org/show_bug.cgi?id=761834
This commit is contained in:
Dmitry Shachnev
Stef Walter
parent
be5f98bbdb
commit
847dd055e4
@ -88,7 +88,7 @@ service_start (const gchar *mock_script,
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gint output;
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gchar *argv[] = {
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"python", (gchar *)mock_script,
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"python3", (gchar *)mock_script,
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NULL
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};
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@ -9,4 +9,5 @@
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# See the included COPYING file for more information.
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#
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from service import *
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from .service import SecretItem, SecretCollection, SecretService, SecretPrompt
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from .service import PlainAlgorithm, NotSupported
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@ -18,13 +18,13 @@ import math
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def append_PKCS7_padding(s):
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"""return s padded to a multiple of 16-bytes by PKCS7 padding"""
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numpads = 16 - (len(s)%16)
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return s + numpads*chr(numpads)
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return s + bytes([numpads] * numpads)
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def strip_PKCS7_padding(s):
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"""return s stripped of PKCS7 padding"""
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if len(s)%16 or not s:
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raise ValueError("String of len %d can't be PCKS7-padded" % len(s))
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numpads = ord(s[-1])
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numpads = s[-1]
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if numpads > 16:
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raise ValueError("String ending with %r can't be PCKS7-padded" % s[-1])
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return s[:-numpads]
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@ -421,7 +421,7 @@ class AESModeOfOperation(object):
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while len(ar) < end - start:
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ar.append(0)
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while i < end:
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ar[j] = ord(string[i])
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ar[j] = string[i]
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j += 1
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i += 1
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return ar
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@ -523,7 +523,7 @@ class AESModeOfOperation(object):
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output = []
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plaintext = [0] * 16
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# the output plain text string
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stringOut = ''
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result = []
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# char firstRound
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firstRound = True
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if cipherIn != None:
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@ -549,7 +549,7 @@ class AESModeOfOperation(object):
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else:
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plaintext[i] = output[i] ^ ciphertext[i]
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for k in range(end-start):
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stringOut += chr(plaintext[k])
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result.append(plaintext[k])
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iput = ciphertext
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elif mode == self.modeOfOperation["OFB"]:
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if firstRound:
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@ -567,7 +567,7 @@ class AESModeOfOperation(object):
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else:
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plaintext[i] = output[i] ^ ciphertext[i]
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for k in range(end-start):
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stringOut += chr(plaintext[k])
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result.append(plaintext[k])
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iput = output
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elif mode == self.modeOfOperation["CBC"]:
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output = self.aes.decrypt(ciphertext, key, size)
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@ -579,12 +579,12 @@ class AESModeOfOperation(object):
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firstRound = False
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if originalsize is not None and originalsize < end:
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for k in range(originalsize-start):
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stringOut += chr(plaintext[k])
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result.append(plaintext[k])
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else:
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for k in range(end-start):
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stringOut += chr(plaintext[k])
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result.append(plaintext[k])
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iput = ciphertext
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return stringOut
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return bytes(result)
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def encryptData(key, data, mode=AESModeOfOperation.modeOfOperation["CBC"]):
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@ -640,7 +640,7 @@ def generateRandomKey(keysize):
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"""
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if keysize not in (16, 24, 32):
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emsg = 'Invalid keysize, %s. Should be one of (16, 24, 32).'
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raise ValueError, emsg % keysize
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raise ValueError(emsg % keysize)
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return os.urandom(keysize)
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if __name__ == "__main__":
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@ -650,7 +650,7 @@ if __name__ == "__main__":
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iv = [103,35,148,239,76,213,47,118,255,222,123,176,106,134,98,92]
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mode, orig_len, ciph = moo.encrypt(cleartext, moo.modeOfOperation["CBC"],
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cypherkey, moo.aes.keySize["SIZE_128"], iv)
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print 'm=%s, ol=%s (%s), ciph=%s' % (mode, orig_len, len(cleartext), ciph)
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print('m=%s, ol=%s (%s), ciph=%s' % (mode, orig_len, len(cleartext), ciph))
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decr = moo.decrypt(ciph, orig_len, mode, cypherkey,
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moo.aes.keySize["SIZE_128"], iv)
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print decr
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print(decr)
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@ -22,52 +22,26 @@
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import math
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import random
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PRIME = '\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xC9\x0F\xDA\xA2\x21\x68\xC2\x34\xC4\xC6\x62\x8B\x80\xDC\x1C\xD1' \
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'\x29\x02\x4E\x08\x8A\x67\xCC\x74\x02\x0B\xBE\xA6\x3B\x13\x9B\x22\x51\x4A\x08\x79\x8E\x34\x04\xDD' \
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'\xEF\x95\x19\xB3\xCD\x3A\x43\x1B\x30\x2B\x0A\x6D\xF2\x5F\x14\x37\x4F\xE1\x35\x6D\x6D\x51\xC2\x45' \
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'\xE4\x85\xB5\x76\x62\x5E\x7E\xC6\xF4\x4C\x42\xE9\xA6\x37\xED\x6B\x0B\xFF\x5C\xB6\xF4\x06\xB7\xED' \
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'\xEE\x38\x6B\xFB\x5A\x89\x9F\xA5\xAE\x9F\x24\x11\x7C\x4B\x1F\xE6\x49\x28\x66\x51\xEC\xE6\x53\x81' \
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'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF'
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def num_bits(number):
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if number == 0:
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return 0
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s = "%x" % number
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return ((len(s)-1)*4) + \
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{'0':0, '1':1, '2':2, '3':2,
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'4':3, '5':3, '6':3, '7':3,
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'8':4, '9':4, 'a':4, 'b':4,
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'c':4, 'd':4, 'e':4, 'f':4,
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}[s[0]]
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PRIME = b'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xC9\x0F\xDA\xA2\x21\x68\xC2\x34\xC4\xC6\x62\x8B\x80\xDC\x1C\xD1' \
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b'\x29\x02\x4E\x08\x8A\x67\xCC\x74\x02\x0B\xBE\xA6\x3B\x13\x9B\x22\x51\x4A\x08\x79\x8E\x34\x04\xDD' \
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b'\xEF\x95\x19\xB3\xCD\x3A\x43\x1B\x30\x2B\x0A\x6D\xF2\x5F\x14\x37\x4F\xE1\x35\x6D\x6D\x51\xC2\x45' \
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b'\xE4\x85\xB5\x76\x62\x5E\x7E\xC6\xF4\x4C\x42\xE9\xA6\x37\xED\x6B\x0B\xFF\x5C\xB6\xF4\x06\xB7\xED' \
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b'\xEE\x38\x6B\xFB\x5A\x89\x9F\xA5\xAE\x9F\x24\x11\x7C\x4B\x1F\xE6\x49\x28\x66\x51\xEC\xE6\x53\x81' \
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b'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF'
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def num_bytes(number):
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if number == 0:
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return 0
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bits = num_bits(number)
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return int(math.ceil(bits / 8.0))
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def bytes_to_number(data):
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number = 0L
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multiplier = 1L
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for count in range(len(data) - 1, -1, -1):
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number += multiplier * ord(data[count])
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multiplier *= 256
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return number
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return math.ceil(number.bit_length() / 8)
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def number_to_bytes(number):
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n_data = num_bytes(number)
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data = ['' for i in range(0, n_data)]
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for count in range(n_data - 1, -1, -1):
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data[count] = chr(number % 256)
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number >>= 8
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return "".join(data)
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return number.to_bytes(n_data, 'big')
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def generate_pair():
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prime = bytes_to_number (PRIME)
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prime = int.from_bytes(PRIME, 'big')
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base = 2
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# print "mock prime: ", hex(prime)
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# print " mock base: ", hex(base)
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bits = num_bits(prime)
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bits = prime.bit_length()
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privat = 0
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while privat == 0:
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privat = random.getrandbits(bits - 1)
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@ -75,7 +49,7 @@ def generate_pair():
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return (privat, publi)
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def derive_key(privat, peer):
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prime = bytes_to_number (PRIME)
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prime = int.from_bytes(PRIME, 'big')
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key = pow(peer, privat, prime)
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# print " mock ikm2: ", hex(key)
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return number_to_bytes(key)
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@ -22,7 +22,7 @@ import math
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from binascii import a2b_hex, b2a_hex
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class HKDF(object):
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def __init__(self, ikm, L, salt=None, info="", digestmod = None):
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def __init__(self, ikm, L, salt=None, info=None, digestmod = None):
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self.ikm = ikm
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self.keylen = L
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@ -36,11 +36,11 @@ class HKDF(object):
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self.hashlen = len(self.digest_cons().digest())
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if salt is None:
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self.salt = chr(0)*(self.hashlen)
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self.salt = b'\x00' * (self.hashlen)
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else:
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self.salt = salt
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self.info = info
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self.info = info or b''
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#extract PRK
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def extract(self):
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@ -51,8 +51,8 @@ class HKDF(object):
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#expand PRK
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def expand(self):
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N = math.ceil(float(self.keylen)/self.hashlen)
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T = ""
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temp = ""
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T = b""
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temp = b""
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i=0x01
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'''while len(T)<2*self.keylen :
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msg = temp
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@ -66,7 +66,7 @@ class HKDF(object):
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while len(T)<self.keylen :
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msg = temp
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msg += self.info
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msg += chr(i)
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msg += bytes((i,))
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h = hmac.new(self.prk, msg, self.digest_cons)
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temp = h.digest()
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i += 1
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@ -17,9 +17,7 @@ import sys
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import time
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import unittest
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import aes
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import dh
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import hkdf
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from mock import aes, dh, hkdf
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import dbus
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import dbus.service
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@ -54,8 +52,7 @@ def next_identifier(prefix=''):
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return "%s%d" % (prefix, unique_identifier)
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def encode_identifier(value):
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return "".join([(c.isalpha() or c.isdigit()) and c or "_%02x" % ord(c) \
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for c in value.encode('utf-8')])
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return "".join([c.isalnum() and c or "_%02x" % ord(c) for c in value])
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def hex_encode(string):
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return "".join([hex(ord(c))[2:].zfill(2) for c in string])
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@ -71,9 +68,9 @@ class PlainAlgorithm():
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return (dbus.String("", variant_level=1), session)
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def encrypt(self, key, data):
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return ("", data)
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return b"", data
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def decrypt(self, param, data):
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def decrypt(self, key, params, data):
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if params == "":
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raise InvalidArgs("invalid secret plain parameter")
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return data
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@ -84,7 +81,7 @@ class AesAlgorithm():
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if type (param) != dbus.ByteArray:
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raise InvalidArgs("invalid argument passed to OpenSession")
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privat, publi = dh.generate_pair()
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peer = dh.bytes_to_number(param)
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peer = int.from_bytes(param, 'big')
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# print "mock publi: ", hex(publi)
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# print " mock peer: ", hex(peer)
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ikm = dh.derive_key(privat, peer)
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@ -95,21 +92,17 @@ class AesAlgorithm():
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return (dbus.ByteArray(dh.number_to_bytes(publi), variant_level=1), session)
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def encrypt(self, key, data):
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key = map(ord, key)
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data = aes.append_PKCS7_padding(data)
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keysize = len(key)
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iv = [ord(i) for i in os.urandom(16)]
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iv = os.urandom(16)
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mode = aes.AESModeOfOperation.modeOfOperation["CBC"]
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moo = aes.AESModeOfOperation()
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(mode, length, ciph) = moo.encrypt(data, mode, key, keysize, iv)
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return ("".join([chr(i) for i in iv]),
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"".join([chr(i) for i in ciph]))
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return iv, ciph
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def decrypt(self, key, param, data):
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key = map(ord, key)
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keysize = len(key)
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iv = map(ord, param[:16])
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data = map(ord, data)
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iv = param[:16]
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moo = aes.AESModeOfOperation()
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mode = aes.AESModeOfOperation.modeOfOperation["CBC"]
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decr = moo.decrypt(data, None, mode, key, keysize, iv)
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@ -197,7 +190,7 @@ class SecretItem(dbus.service.Object):
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self.collection = collection
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self.identifier = identifier
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self.label = label or "Unnamed item"
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self.secret = secret
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self.secret = secret.encode('ascii') if isinstance(secret, str) else secret
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self.type = type or "org.freedesktop.Secret.Generic"
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self.attributes = attributes
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self.content_type = content_type
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@ -376,7 +369,7 @@ class SecretCollection(dbus.service.Object):
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self.PropertiesChanged('org.freedesktop.Secret.Collection', { "Locked" : lock }, [])
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def perform_delete(self):
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for item in self.items.values():
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for item in list(self.items.values()):
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item.perform_delete()
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del objects[self.path]
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self.service.remove_collection(self)
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@ -529,8 +522,7 @@ class SecretService(dbus.service.Object):
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name = self.bus.get_unique_name()
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if not name:
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raise NameError("No unique name available")
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print name
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sys.stdout.flush()
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print(name, flush=True)
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loop.run()
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def add_session(self, session):
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@ -691,8 +683,8 @@ class SecretService(dbus.service.Object):
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def parse_options(args):
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try:
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opts, args = getopt.getopt(args, "", [])
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except getopt.GetoptError, err:
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print str(err)
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except getopt.GetoptError as err:
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print(str(err))
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sys.exit(2)
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for o, a in opts:
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assert False, "unhandled option"
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