Squashed commit of the following:
commit 091aa668e194489e3a45e418941ea922c09f7024
Author: lance allen <lrallen03@gmail.com>
Date: Mon Feb 19 09:32:50 2018 -0800
removing extraneous import
commit 47d2dbcf4e20a4cbba1bb77caa39e8005db00042
Author: lance allen <lrallen03@gmail.com>
Date: Mon Feb 19 00:18:19 2018 -0800
matching the version to emesik master and fixing the method name
commit 63b5f5fae3a3125b36a6ed18f3f7e47e54cd1d1d
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 22:38:37 2018 -0800
adding unit file for seed class
commit 515ccfe18663d6f52810d59ccdd9ab51e2be7d58
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 22:38:17 2018 -0800
updating init files
commit 6e0803661f08694a5a81a83a7fbeede6e18f741c
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 22:37:46 2018 -0800
updating init from assert to raise, set gte operator on checks
commit e066039bf8ccf5128987e6d291864f3a9d61df28
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 18:42:30 2018 -0800
move get_checksum outside of class and always return seed with checksum
commit 1b0cb8adc6945d777abba18acfcaf8d3b6f4be42
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 17:14:46 2018 -0800
removing extraneous seed_ prefixes from class vars and change class param to
commit 9b60a34da554696f3cfbfd7cb3f0780dfc32bc55
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 13:52:12 2018 -0800
move generate_hex function outside of class
commit 162036cb38ff5a90cf515fd951d70299117866aa
Author: lance allen <lrallen03@gmail.com>
Date: Sun Feb 18 13:49:46 2018 -0800
adding string input to class constructor and determine validity
commit 30f04ade1819b152fd600eff0b7364d9bd7aaab4
Author: lalanza808 <lrallen03@gmail.com>
Date: Sat Feb 17 23:59:19 2018 -0800
adding commit hashes and revamping comments
commit c46029fbc9bf74bf64231a1d4c4c6613be08bf00
Author: lalanza808 <lrallen03@gmail.com>
Date: Sat Feb 17 23:18:07 2018 -0800
adding licensing, verb noun functions, checksum val, hex generation
commit fa38d8aa1ea3aeb5ba7d03f89f9610a1b9b76e49
Author: lance allen <lrallen03@gmail.com>
Date: Sat Feb 17 16:57:19 2018 -0800
adding seed class for encoding/decoding mnemonic phrases or hex strings
commit d523e51a92c626a435aad64740d2fe04eb2f8b99
Author: lance allen <lrallen03@gmail.com>
Date: Sat Feb 17 16:57:03 2018 -0800
adding english wordlist for mnemonic seeds
commit f6d78a497a0d48b565f1a584b51150a03f9df7d6
Author: lance allen <lrallen03@gmail.com>
Date: Sat Feb 17 16:56:48 2018 -0800
updating monero init file to include wordlists
This commit is contained in:
lance allen
parent
9e9b75a42e
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from . import address, account, daemon, wallet, numbers, prio
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from . import address, account, daemon, wallet, numbers, prio, wordlists, seed
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__version__ = '0.1.1'
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__version__ = '0.1.2'
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#!/usr/bin/env python
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2011 thomasv@gitorious
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Note about US patent no 5892470: Here each word does not represent a given digit.
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# Instead, the digit represented by a word is variable, it depends on the previous word.
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#
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# Copied 17 February 2018 from MoneroPy, originally from Electrum:
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# https://github.com/bigreddmachine/MoneroPy/blob/master/moneropy/mnemonic.py ch: 80cc16c39b16c55a8d052fbf7fae68644f7a5f02
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# https://github.com/spesmilo/electrum/blob/master/lib/old_mnemonic.py ch:9a0aa9b4783ea03ea13c6d668e080e0cdf261c5b
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from monero import wordlists
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from binascii import crc32, hexlify
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from os import urandom
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class Seed(object):
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"""Creates a seed object either from local system randomness or an imported phrase.
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:rtype: :class:`Seed <monero.seed.Seed>`
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"""
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n = 1626
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wordlist = wordlists.english.wordlist # default english for now
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phrase = "" #13 or 25 word mnemonic word string
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hex = "" # hexadecimal
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def __init__(self, phrase=""):
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"""If user supplied a seed string to the class, break it down and determine
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if it's hexadecimal or mnemonic word string. Gather the values and store them.
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If no seed is passed, automatically generate a new one from local system randomness.
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:rtype: :class:`Seed <monero.seed.Seed>`
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"""
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if phrase:
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seed_split = phrase.split(" ")
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if len(seed_split) >= 24:
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# standard mnemonic
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self.phrase = phrase
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if len(seed_split) == 25:
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# with checksum
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self.validate_checksum()
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self.hex = self.decode_seed()
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elif len(seed_split) >= 12:
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# mymonero mnemonic
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self.phrase = phrase
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if len(seed_split) == 13:
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# with checksum
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self.validate_checksum()
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self.hex = self.decode_seed()
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elif len(seed_split) == 1:
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# single string, probably hex, but confirm
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if not len(phrase) % 8 == 0:
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raise ValueError("Not valid hexadecimal: {hex}".format(hex=phrase))
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self.hex = phrase
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self.phrase = self.encode_seed()
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else:
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raise ValueError("Not valid mnemonic phrase: {phrase}".format(phrase=phrase))
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else:
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self.hex = generate_hex()
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self.encode_seed()
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def endian_swap(self, word):
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"""Given any string, swap bits and return the result.
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:rtype: str
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"""
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return "".join([word[i:i+2] for i in [6, 4, 2, 0]])
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def encode_seed(self):
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"""Given a hexadecimal string, return it's mnemonic word representation with checksum.
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:rtype: str
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"""
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assert self.hex, "Seed hex not set"
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assert len(self.hex) % 8 == 0, "Not valid hexadecimal"
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out = []
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for i in range(len(self.hex) // 8):
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word = self.endian_swap(self.hex[8*i:8*i+8])
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x = int(word, 16)
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w1 = x % self.n
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w2 = (x // self.n + w1) % self.n
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w3 = (x // self.n // self.n + w2) % self.n
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out += [self.wordlist[w1], self.wordlist[w2], self.wordlist[w3]]
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checksum = get_checksum(" ".join(out))
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out.append(checksum)
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self.phrase = " ".join(out)
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return self.phrase
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def decode_seed(self):
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"""Given a mnemonic word string, return it's hexadecimal representation.
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:rtype: str
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"""
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assert self.phrase, "Seed phrase not set"
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phrase = self.phrase.split(" ")
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assert len(phrase) >= 12, "Not valid mnemonic phrase"
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out = ""
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for i in range(len(phrase) // 3):
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word1, word2, word3 = phrase[3*i:3*i+3]
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w1 = self.wordlist.index(word1)
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w2 = self.wordlist.index(word2) % self.n
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w3 = self.wordlist.index(word3) % self.n
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x = w1 + self.n *((w2 - w1) % self.n) + self.n * self.n * ((w3 - w2) % self.n)
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out += self.endian_swap("%08x" % x)
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self.hex = out
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return self.hex
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def validate_checksum(self):
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"""Given a mnemonic word string, confirm seed checksum (last word) matches the computed checksum.
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:rtype: bool
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"""
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assert self.phrase, "Seed phrase not set"
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phrase = self.phrase.split(" ")
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assert len(phrase) > 12, "Not valid mnemonic phrase"
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is_match = get_checksum(self.phrase) == phrase[-1]
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assert is_match, "Not valid checksum"
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return is_match
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def get_checksum(phrase):
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"""Given a mnemonic word string, return a string of the computed checksum.
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:rtype: str
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"""
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phrase_split = phrase.split(" ")
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assert len(phrase_split) >= 12, "Not valid mnemonic phrase"
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if len(phrase_split) > 13:
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# Standard format
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phrase = phrase_split[:24]
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else:
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# MyMonero format
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phrase = phrase_split[:12]
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wstr = "".join(word[:3] for word in phrase)
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z = ((crc32(wstr.encode()) & 0xffffffff) ^ 0xffffffff ) >> 0
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z2 = ((z ^ 0xffffffff) >> 0) % len(phrase)
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return phrase_split[z2]
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def generate_hex(n_bytes=32):
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"""Generate a secure and random hexadecimal string. 32 bytes by default, but arguments can override.
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:rtype: str
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"""
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h = hexlify(urandom(n_bytes))
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return "".join(h.decode("utf-8"))
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@ -0,0 +1 @@
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from . import english
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File diff suppressed because it is too large
Load Diff
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@ -3,3 +3,4 @@ from . import test_numbers
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from . import test_transaction
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from . import test_wallet
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from . import test_jsonrpcwallet
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from . import test_seed
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#!/usr/bin/env python
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import unittest
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from monero.seed import Seed, get_checksum
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class SeedTestCase(unittest.TestCase):
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def test_mnemonic_seed(self):
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# Known good 25 word seed phrases should construct a class, validate checksum, and register valid hex
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seed = Seed("wedge going quick racetrack auburn physics lectures light waist axes whipped habitat square awkward together injury niece nugget guarded hive obnoxious waxing faked folding square")
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self.assertTrue(seed.validate_checksum())
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self.assertEqual(seed.hex, "8ffa9f586b86d294d93731765d192765311bddc76a4fa60311f8af36bbf6fb06")
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# Known good 24 word seed phrases should construct a class, store phrase with valid checksum, and register valid hex
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seed = Seed("wedge going quick racetrack auburn physics lectures light waist axes whipped habitat square awkward together injury niece nugget guarded hive obnoxious waxing faked folding")
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seed.encode_seed()
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self.assertTrue(seed.validate_checksum())
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self.assertEqual(seed.hex, "8ffa9f586b86d294d93731765d192765311bddc76a4fa60311f8af36bbf6fb06")
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# Known good 25 word hexadecimal strings should construct a class, store phrase with valid checksum, and register valid hex
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seed = Seed("8ffa9f586b86d294d93731765d192765311bddc76a4fa60311f8af36bbf6fb06")
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self.assertTrue(seed.validate_checksum())
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self.assertEqual(seed.phrase, "wedge going quick racetrack auburn physics lectures light waist axes whipped habitat square awkward together injury niece nugget guarded hive obnoxious waxing faked folding square")
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# Known good 13 word seed phrases should construct a class, validate checksum, and register valid hex
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seed = Seed("ought knowledge upright innocent eldest nerves gopher fowls below exquisite aces basin fowls")
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self.assertTrue(seed.validate_checksum())
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self.assertEqual(seed.hex, "932d70711acc2d536ca11fcb79e05516")
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# Known good 12 word seed phrases should construct a class, store phrase with valid checksum, and register valid hex
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seed = Seed("ought knowledge upright innocent eldest nerves gopher fowls below exquisite aces basin")
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seed.encode_seed()
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self.assertTrue(seed.validate_checksum())
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self.assertEqual(seed.hex, "932d70711acc2d536ca11fcb79e05516")
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# Known good 13 word hexadecimal strings should construct a class, store phrase with valid checksum, and register valid hex
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seed = Seed("932d70711acc2d536ca11fcb79e05516")
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self.assertTrue(seed.validate_checksum())
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self.assertEqual(seed.phrase, "ought knowledge upright innocent eldest nerves gopher fowls below exquisite aces basin fowls")
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# Generated seed phrases should be 25 words, validate checksum, register valid hex, and return matching outputs for decode/encode
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seed = Seed()
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seed_split = seed.phrase.split(" ")
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self.assertTrue(len(seed_split) == 25)
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self.assertTrue(seed.validate_checksum())
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self.assertTrue(len(seed.hex) % 8 == 0)
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self.assertEqual(seed.hex, seed.decode_seed())
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self.assertEqual(seed.phrase, seed.encode_seed())
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# Invalid phrases should not be allowed
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with self.assertRaises(ValueError) as ts:
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Seed("oh damn you thought fool")
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self.assertEqual(ts.expected, ValueError)
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with self.assertRaises(ValueError) as ts:
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Seed("Thi5isMyS3cr3tPa55w0rd")
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self.assertEqual(ts.expected, ValueError)
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with self.assertRaises(ValueError) as ts:
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Seed(" ")
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self.assertEqual(ts.expected, ValueError)
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with self.assertRaises(ValueError) as ts:
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Seed("\\x008")
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self.assertEqual(ts.expected, ValueError)
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if __name__ == "__main__":
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unittest.main()
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