2 @documentencoding UTF-8
6 Copyright @copyright{} 2015-2017 @email{stargrave@@stargrave.org, Sergey Matveev}
12 PyGOST is pure Python 2.7/3.x GOST cryptographic functions library.
13 GOST is GOvernment STandard of Russian Federation (and Soviet Union).
15 @url{https://www.gnu.org/philosophy/pragmatic.html, copylefted}
16 @url{https://www.gnu.org/philosophy/free-sw.html, free software}:
17 licenced under @url{https://www.gnu.org/licenses/gpl-3.0.html, GPLv3+}.
18 You can read about GOST algorithms @url{http://gost.cypherpunks.ru/, more}.
20 Site is also available as @url{http://ynvvto3unx63wbqmwg7mpdgy3ebven7ihhse6bh5yudwllugd6oa.b32.i2p/, I2P service}.
22 Currently supported algorithms are:
25 @item GOST 28147-89 (@url{https://tools.ietf.org/html/rfc5830.html, RFC 5830})
26 block cipher with ECB, CNT (CTR), CFB, MAC,
27 CBC (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
29 @item various 28147-89-related S-boxes included
30 @item GOST R 34.11-94 hash function
31 (@url{https://tools.ietf.org/html/rfc5831.html, RFC 5831})
32 @item GOST R 34.11-94 based @url{https://en.wikipedia.org/wiki/PBKDF2, PBKDF2} function
33 @item GOST R 34.11-2012 Стрибог (Streebog) hash function
34 (@url{https://tools.ietf.org/html/rfc6986.html, RFC 6986})
35 @item GOST R 34.10-2001
36 (@url{https://tools.ietf.org/html/rfc5832.html, RFC 5832})
37 public key signature function
38 @item GOST R 34.10-2012
39 (@url{https://tools.ietf.org/html/rfc7091.html, RFC 7091})
40 public key signature function
41 @item various 34.10 curve parameters included
42 @item VKO GOST R 34.10-2001 key agreement function
43 (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
44 @item VKO GOST R 34.10-2012 key agreement function
45 (@url{https://tools.ietf.org/html/rfc7836.html, RFC 7836})
46 @item 28147-89 and CryptoPro key wrapping
47 (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
48 @item 28147-89 CryptoPro key meshing for CFB mode
49 (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
50 @item @url{https://tools.ietf.org/html/rfc4491.html, RFC 4491}
51 (using GOST algorithms with X.509) compatibility helpers
52 @item GOST R 34.12-2015 128-bit block cipher Кузнечик (Kuznechik)
53 (@url{https://tools.ietf.org/html/rfc7801.html, RFC 7801})
54 @item GOST R 34.12-2015 64-bit block cipher Магма (Magma)
55 @item GOST R 34.13-2015 padding methods and block cipher modes of operation
56 (ECB, CTR, OFB, CBC, CFB, MAC)
57 @item PEP247-compatible hash/MAC functions
60 Example 34.10-2012 keypair generation, signing and verifying:
63 >>> from pygost.gost3410 import CURVE_PARAMS
64 >>> from pygost.gost3410 import GOST3410Curve
65 >>> curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
66 >>> from os import urandom
67 >>> prv_raw = urandom(32)
68 >>> from pygost.gost3410 import prv_unmarshal
69 >>> prv = prv_unmarshal(prv_raw)
70 >>> from pygost.gost3410 import public_key
71 >>> pub = public_key(curve, prv)
72 >>> from pygost.gost3410 import pub_marshal
73 >>> from pygost.utils import hexenc
74 >>> print "Public key is:", hexenc(pub_marshal(pub))
75 >>> from pygost import gost34112012256
76 >>> data_for_signing = b"some data"
77 >>> dgst = gost34112012256.new(data_for_signing).digest()
78 >>> from pygost.gost3410 import sign
79 >>> signature = sign(curve, prv, dgst, mode=2012)
80 >>> from pygost.gost3410 import verify
81 >>> verify(curve, pub, dgst, signature, mode=2012)
85 Please send questions, bug reports and patches to
86 @url{https://lists.cypherpunks.ru/mailman/listinfo/gost, gost}
87 mailing list. Announcements also go to this mailing list.
96 Small mypy stubs related fixes.
100 @item @code{GOST3412Kuz} renamed to @code{GOST3412Kuznechik}
101 @item @code{GOST3412Magma} implements GOST R 34.12-2015 Magma 64-bit
106 34.13-2015 block cipher modes of operation implementations.
109 Fixed mypy stubs related to PEP247-successors.
113 @item @code{gost3411_94} renamed to @code{gost341194}
114 @item @code{gost3411_2012} renamed and split to
115 @code{gost34112012256}, @code{gost34112012512}
116 @item @code{GOST34112012} split to
117 @code{GOST34112012256}, @code{GOST34112012512}
118 @item @code{gost3410.kek} moved to separate
119 @code{gost3410_vko.kek_34102001}
120 @item VKO GOST R 34.10-2012 appeared in @code{gost3410_vko},
122 @item 34.11-94 digest is reversed, to be compatible with HMAC and
123 PBKDF2 test vectors describe in TC26 documents
124 @item 34.11-94 PBKDF2 test vectors added
125 @item @code{gost3410.prv_unmarshal},
126 @code{gost3410.pub_marshal},
127 @code{gost3410.pub_unmarshal}
128 helpers added, removing the need of @code{x509} module at all
129 @item @code{gost3410.verify} requires @code{(pubX, pubY)} tuple,
130 instead of two separate @code{pubX}, @code{pubY} arguments
131 @item 34.11-94 based PBKDF2 function added
135 Fixed 34.13 mypy stub.
138 Typo and pylint fixes.
141 GOST R 34.13-2015 padding methods
144 Documentation and supplementary files refactoring.
147 PEP-0247 compatible hashers and MAC.
151 @item Ability to specify curve in pygost.x509 module
152 @item Ability to use 34.10-2012 in pygost.x509 functions
155 Renamed classes and modules:
158 @item pygost.gost3410.SIZE_34100 -> pygost.gost3410.SIZE_3410_2001
159 @item pygost.gost3410.SIZE_34112 -> pygost.gost3410.SIZE_3410_2012
160 @item pygost.gost3411_12.GOST341112 -> pygost.gost3411_2012.GOST34112012
164 34.10-2012 TC26 curve parameters.
167 PEP-0484 static typing hints.
170 34.10-2012 workability fix.
173 Python3 compatibility.
176 GOST R 34.12-2015 Кузнечик (Kuznechik) implementation.
179 CryptoPro and GOST key wrapping, CryptoPro key meshing.
185 No additional dependencies except Python 2.7/3.x interpreter are required.
187 Preferable way is to download tarball with the signature:
190 % wget http://pygost.cypherpunks.ru/pygost-2.3.tar.xz
191 % wget http://pygost.cypherpunks.ru/pygost-2.3.tar.xz.sig
192 % gpg --verify pygost-2.3.tar.xz.sig pygost-2.3.tar.xz
193 % xz -d < pygost-2.3.tar.xz | tar xf -
195 % python setup.py install
198 @multitable {XXXXX} {XXXX KiB} {link sign} {xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx} {xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
199 @headitem Version @tab Size @tab Tarball @tab SHA256 checksum @tab Streebog-256 checksum
201 @item 3.3 @tab 41 KiB
202 @tab @url{pygost-3.3.tar.xz, link} @url{pygost-3.3.tar.xz.sig, sign}
203 @tab @code{D118F539 537CCD5D 9CCE850E DD8EFD8E ACDA9D6E 0C113A0F C575574A F4BD452A}
204 @tab @code{8400a3714b70dddfef03f6fe96325e73ac25db814d052a44dbd8f2ce5ddb05bb}
206 @item 3.2 @tab 41 KiB
207 @tab @url{pygost-3.2.tar.xz, link} @url{pygost-3.2.tar.xz.sig, sign}
208 @tab @code{6779D1B1 A4E2B1C3 49CA39F8 425FC962 AF2ED133 BB495343 0F83764B E2624087}
209 @tab @code{0a39880ad00ca11d112fef096b81a42a85ce4e5b25c48d1f643858b1e0c520d6}
211 @item 3.1 @tab 39 KiB
212 @tab @url{pygost-3.1.tar.xz, link} @url{pygost-3.1.tar.xz.sig, sign}
213 @tab @code{ACCCF1A9 F4B345FF 01595248 5B793DAC FCF71D1F 32A6ABCF 32042DDB 20897BC5}
214 @tab @code{823961b6c2a1abe83f6d828397002e68d711a08ce115f21ddff81a294882cd46}
216 @item 3.0 @tab 39 KiB
217 @tab @url{pygost-3.0.tar.xz, link} @url{pygost-3.0.tar.xz.sig, sign}
218 @tab @code{0AB10703 6960962D 30BD1646 ACC8D44B E9CBD8A8 4F25DF25 91F26383 DE28875F}
219 @tab @code{ef4729df62b4f615a154a9c35ccffaf6bb614a23067f4dd49d2993ec93bb6665}
221 @item 2.4 @tab 37 KiB
222 @tab @url{pygost-2.4.tar.xz, link} @url{pygost-2.4.tar.xz.sig, sign}
223 @tab @code{94D14E99 3CF63973 6C8E78D0 5EBD0838 09A47624 C05A9878 11136301 C0A07264}
224 @tab @code{b107b5ba043a2e4c30d9348e222b92218b8dff9d672964ffd04259c5261bc5a7}
226 @item 2.3 @tab 37 KiB
227 @tab @url{pygost-2.3.tar.xz, link} @url{pygost-2.3.tar.xz.sig, sign}
228 @tab @code{FF2C7E78 F3677B45 EB472DC6 1837C72C 0BD72387 AB0A9DC7 AD88AD11 59589732}
229 @tab @code{42cfd0cdf357997a909a9114ca14391b4c5e8b62e298675f899b80a8a26d690f}
233 But also you can use PIP (@strong{no} authentication is performed!):
236 % pip install pygost==2.3
239 You @strong{have to} verify downloaded tarballs integrity and
240 authenticity to be sure that you retrieved trusted and untampered
241 software. @url{https://www.gnupg.org/, The GNU Privacy Guard} is used
244 For the very first time it it necessary to get signing public key and
245 import it. It is provided below, but you should check alternative
249 pub rsa2048/0xE6FD1269CD0C009E 2016-09-13
250 F55A 7619 3A0C 323A A031 0E6B E6FD 1269 CD0C 009E
251 uid PyGOST releases <pygost at cypherpunks dot ru>
256 @item @url{https://lists.cypherpunks.ru/mailman/listinfo/gost, gost} maillist
260 % gpg --keyserver hkp://keys.gnupg.net/ --recv-keys 0xE6FD1269CD0C009E
261 % gpg --auto-key-locate dane --locate-keys pygost at cypherpunks dot ru
262 % gpg --auto-key-locate wkd --locate-keys pygost at cypherpunks dot ru
263 % gpg --auto-key-locate pka --locate-keys pygost at cypherpunks dot ru
267 @verbatiminclude PUBKEY.asc
271 You can obtain development source code by cloning
272 @url{http://git-scm.com/, Git}
273 @url{https://git.cypherpunks.ru/cgit.cgi/pygost.git/}.