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://www.cypherpunks.ru/gost/, more}.
20 Currently supported algorithms are:
23 @item GOST 28147-89 (@url{https://tools.ietf.org/html/rfc5830.html, RFC 5830})
24 block cipher with ECB, CNT (CTR), CFB, MAC,
25 CBC (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
27 @item various 28147-89-related S-boxes included
28 @item GOST R 34.11-94 hash function
29 (@url{https://tools.ietf.org/html/rfc5831.html, RFC 5831})
30 @item GOST R 34.11-94 based @url{https://en.wikipedia.org/wiki/PBKDF2, PBKDF2} function
31 @item GOST R 34.11-2012 Стрибог (Streebog) hash function
32 (@url{https://tools.ietf.org/html/rfc6986.html, RFC 6986})
33 @item GOST R 34.10-2001
34 (@url{https://tools.ietf.org/html/rfc5832.html, RFC 5832})
35 public key signature function
36 @item GOST R 34.10-2012
37 (@url{https://tools.ietf.org/html/rfc7091.html, RFC 7091})
38 public key signature function
39 @item various 34.10 curve parameters included
40 @item VKO GOST R 34.10-2001 key agreement function
41 (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
42 @item VKO GOST R 34.10-2012 key agreement function
43 (@url{https://tools.ietf.org/html/rfc7836.html, RFC 7836})
44 @item 28147-89 and CryptoPro key wrapping
45 (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
46 @item 28147-89 CryptoPro key meshing for CFB mode
47 (@url{https://tools.ietf.org/html/rfc4357.html, RFC 4357})
48 @item @url{https://tools.ietf.org/html/rfc4491.html, RFC 4491}
49 (using GOST algorithms with X.509) compatibility helpers
50 @item GOST R 34.12-2015 128-bit block cipher Кузнечик (Kuznechik)
51 (@url{https://tools.ietf.org/html/rfc7801.html, RFC 7801})
52 @item GOST R 34.13-2015 padding methods and block cipher modes of operation
53 (ECB, CTR, OFB, CBC, CFB, MAC)
54 @item PEP247-compatible hash/MAC functions
57 Example 34.10-2012 keypair generation, signing and verifying:
60 >>> from pygost.gost3410 import CURVE_PARAMS
61 >>> from pygost.gost3410 import GOST3410Curve
62 >>> curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"])
63 >>> from os import urandom
64 >>> prv_raw = urandom(32)
65 >>> from pygost.gost3410 import prv_unmarshal
66 >>> prv = prv_unmarshal(prv_raw)
67 >>> from pygost.gost3410 import public_key
68 >>> pub = public_key(curve, prv)
69 >>> from pygost.gost3410 import pub_marshal
70 >>> from pygost.utils import hexenc
71 >>> print "Public key is:", hexenc(pub_marshal(pub))
72 >>> from pygost import gost34112012256
73 >>> data_for_signing = b"some data"
74 >>> dgst = gost34112012256.new(data_for_signing).digest()
75 >>> from pygost.gost3410 import sign
76 >>> signature = sign(curve, prv, dgst, mode=2012)
77 >>> from pygost.gost3410 import verify
78 >>> verify(curve, pub, dgst, signature, mode=2012)
82 Please send questions, bug reports and patches to
83 @url{https://lists.cypherpunks.ru/mailman/listinfo/gost, gost}
84 mailing list. Announcements also go to this mailing list.
94 @item @code{GOST3412Kuz} renamed to @code{GOST3412Kuznezhik}
98 34.13-2015 block cipher modes of operation implementations.
101 Fixed mypy stubs related to PEP247-successors.
105 @item @code{gost3411_94} renamed to @code{gost341194}
106 @item @code{gost3411_2012} renamed and split to
107 @code{gost34112012256}, @code{gost34112012512}
108 @item @code{GOST34112012} split to
109 @code{GOST34112012256}, @code{GOST34112012512}
110 @item @code{gost3410.kek} moved to separate
111 @code{gost3410_vko.kek_34102001}
112 @item VKO GOST R 34.10-2012 appeared in @code{gost3410_vko},
114 @item 34.11-94 digest is reversed, to be compatible with HMAC and
115 PBKDF2 test vectors describe in TC26 documents
116 @item 34.11-94 PBKDF2 test vectors added
117 @item @code{gost3410.prv_unmarshal},
118 @code{gost3410.pub_marshal},
119 @code{gost3410.pub_unmarshal}
120 helpers added, removing the need of @code{x509} module at all
121 @item @code{gost3410.verify} requires @code{(pubX, pubY)} tuple,
122 instead of two separate @code{pubX}, @code{pubY} arguments
123 @item 34.11-94 based PBKDF2 function added
127 Fixed 34.13 mypy stub.
130 Typo and pylint fixes.
133 GOST R 34.13-2015 padding methods
136 Documentation and supplementary files refactoring.
139 PEP-0247 compatible hashers and MAC.
143 @item Ability to specify curve in pygost.x509 module
144 @item Ability to use 34.10-2012 in pygost.x509 functions
147 Renamed classes and modules:
150 @item pygost.gost3410.SIZE_34100 -> pygost.gost3410.SIZE_3410_2001
151 @item pygost.gost3410.SIZE_34112 -> pygost.gost3410.SIZE_3410_2012
152 @item pygost.gost3411_12.GOST341112 -> pygost.gost3411_2012.GOST34112012
156 34.10-2012 TC26 curve parameters.
159 PEP-0484 static typing hints.
162 34.10-2012 workability fix.
165 Python3 compatibility.
168 GOST R 34.12-2015 Кузнечик (Kuznechik) implementation.
171 CryptoPro and GOST key wrapping, CryptoPro key meshing.
177 No additional dependencies except Python 2.7/3.x interpreter are required.
179 Preferable way is to download tarball with the signature:
182 % wget http://www.cypherpunks.ru/pygost/pygost-2.3.tar.xz
183 % wget http://www.cypherpunks.ru/pygost/pygost-2.3.tar.xz.sig
184 % gpg --verify pygost-2.3.tar.xz.sig pygost-2.3.tar.xz
185 % xz -d < pygost-2.3.tar.xz | tar xf -
187 % python setup.py install
190 @multitable {XXXXX} {XXXX KiB} {link sign} {xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx} {xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx}
191 @headitem Version @tab Size @tab Tarball @tab SHA256 checksum @tab Streebog-256 checksum
193 @item 3.2 @tab 41 KiB
194 @tab @url{pygost-3.2.tar.xz, link} @url{pygost-3.2.tar.xz.sig, sign}
195 @tab @code{6779D1B1 A4E2B1C3 49CA39F8 425FC962 AF2ED133 BB495343 0F83764B E2624087}
196 @tab @code{0a39880ad00ca11d112fef096b81a42a85ce4e5b25c48d1f643858b1e0c520d6}
198 @item 3.1 @tab 39 KiB
199 @tab @url{pygost-3.1.tar.xz, link} @url{pygost-3.1.tar.xz.sig, sign}
200 @tab @code{ACCCF1A9 F4B345FF 01595248 5B793DAC FCF71D1F 32A6ABCF 32042DDB 20897BC5}
201 @tab @code{823961b6c2a1abe83f6d828397002e68d711a08ce115f21ddff81a294882cd46}
203 @item 3.0 @tab 39 KiB
204 @tab @url{pygost-3.0.tar.xz, link} @url{pygost-3.0.tar.xz.sig, sign}
205 @tab @code{0AB10703 6960962D 30BD1646 ACC8D44B E9CBD8A8 4F25DF25 91F26383 DE28875F}
206 @tab @code{ef4729df62b4f615a154a9c35ccffaf6bb614a23067f4dd49d2993ec93bb6665}
208 @item 2.4 @tab 37 KiB
209 @tab @url{pygost-2.4.tar.xz, link} @url{pygost-2.4.tar.xz.sig, sign}
210 @tab @code{94D14E99 3CF63973 6C8E78D0 5EBD0838 09A47624 C05A9878 11136301 C0A07264}
211 @tab @code{b107b5ba043a2e4c30d9348e222b92218b8dff9d672964ffd04259c5261bc5a7}
213 @item 2.3 @tab 37 KiB
214 @tab @url{pygost-2.3.tar.xz, link} @url{pygost-2.3.tar.xz.sig, sign}
215 @tab @code{FF2C7E78 F3677B45 EB472DC6 1837C72C 0BD72387 AB0A9DC7 AD88AD11 59589732}
216 @tab @code{42cfd0cdf357997a909a9114ca14391b4c5e8b62e298675f899b80a8a26d690f}
220 But also you can use PIP (@strong{no} authentication is performed!):
223 % pip install pygost==2.3
226 You @strong{have to} verify downloaded tarballs integrity and
227 authenticity to be sure that you retrieved trusted and untampered
228 software. @url{https://www.gnupg.org/, The GNU Privacy Guard} is used
231 For the very first time it it necessary to get signing public key and
232 import it. It is provided below, but you should check alternative
236 pub rsa2048/0xE6FD1269CD0C009E 2016-09-13
237 F55A 7619 3A0C 323A A031 0E6B E6FD 1269 CD0C 009E
238 uid PyGOST releases <pygost at cypherpunks dot ru>
243 @item @url{https://lists.cypherpunks.ru/mailman/listinfo/gost, gost} maillist
247 % gpg --keyserver hkp://keys.gnupg.net/ --recv-keys 0xE6FD1269CD0C009E
248 % gpg --auto-key-locate dane --locate-keys pygost at cypherpunks dot ru
249 % gpg --auto-key-locate wkd --locate-keys pygost at cypherpunks dot ru
250 % gpg --auto-key-locate pka --locate-keys pygost at cypherpunks dot ru
254 @verbatiminclude PUBKEY.asc
258 You can obtain development source code by cloning
259 @url{http://git-scm.com/, Git}
260 @url{https://git.cypherpunks.ru/cgit.cgi/pygost.git/}.