From 8154806fe2fccacdc3dafaa68181a07bcf8d6c4c Mon Sep 17 00:00:00 2001 From: Determinant Date: Thu, 17 Nov 2022 18:08:59 -0800 Subject: v0.1.7 --- frozen_deps/ecdsa-0.18.0.dist-info/INSTALLER | 1 + frozen_deps/ecdsa-0.18.0.dist-info/LICENSE | 24 + frozen_deps/ecdsa-0.18.0.dist-info/METADATA | 675 +++++++++++++++++++++++ frozen_deps/ecdsa-0.18.0.dist-info/RECORD | 64 +++ frozen_deps/ecdsa-0.18.0.dist-info/WHEEL | 6 + frozen_deps/ecdsa-0.18.0.dist-info/top_level.txt | 1 + 6 files changed, 771 insertions(+) create mode 100644 frozen_deps/ecdsa-0.18.0.dist-info/INSTALLER create mode 100644 frozen_deps/ecdsa-0.18.0.dist-info/LICENSE create mode 100644 frozen_deps/ecdsa-0.18.0.dist-info/METADATA create mode 100644 frozen_deps/ecdsa-0.18.0.dist-info/RECORD create mode 100644 frozen_deps/ecdsa-0.18.0.dist-info/WHEEL create mode 100644 frozen_deps/ecdsa-0.18.0.dist-info/top_level.txt (limited to 'frozen_deps/ecdsa-0.18.0.dist-info') diff --git a/frozen_deps/ecdsa-0.18.0.dist-info/INSTALLER b/frozen_deps/ecdsa-0.18.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/frozen_deps/ecdsa-0.18.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/frozen_deps/ecdsa-0.18.0.dist-info/LICENSE b/frozen_deps/ecdsa-0.18.0.dist-info/LICENSE new file mode 100644 index 0000000..474479a --- /dev/null +++ b/frozen_deps/ecdsa-0.18.0.dist-info/LICENSE @@ -0,0 +1,24 @@ +"python-ecdsa" Copyright (c) 2010 Brian Warner + +Portions written in 2005 by Peter Pearson and placed in the public domain. + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/frozen_deps/ecdsa-0.18.0.dist-info/METADATA b/frozen_deps/ecdsa-0.18.0.dist-info/METADATA new file mode 100644 index 0000000..fa1c5fe --- /dev/null +++ b/frozen_deps/ecdsa-0.18.0.dist-info/METADATA @@ -0,0 +1,675 @@ +Metadata-Version: 2.1 +Name: ecdsa +Version: 0.18.0 +Summary: ECDSA cryptographic signature library (pure python) +Home-page: http://github.com/tlsfuzzer/python-ecdsa +Author: Brian Warner +Author-email: warner@lothar.com +License: MIT +Platform: UNKNOWN +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Requires-Python: >=2.6, !=3.0.*, !=3.1.*, !=3.2.* +Description-Content-Type: text/markdown +License-File: LICENSE +Requires-Dist: six (>=1.9.0) +Provides-Extra: gmpy +Requires-Dist: gmpy ; extra == 'gmpy' +Provides-Extra: gmpy2 +Requires-Dist: gmpy2 ; extra == 'gmpy2' + +# Pure-Python ECDSA and ECDH + +[![Build Status](https://github.com/tlsfuzzer/python-ecdsa/workflows/GitHub%20CI/badge.svg?branch=master)](https://github.com/tlsfuzzer/python-ecdsa/actions?query=workflow%3A%22GitHub+CI%22+branch%3Amaster) +[![Documentation Status](https://readthedocs.org/projects/ecdsa/badge/?version=latest)](https://ecdsa.readthedocs.io/en/latest/?badge=latest) +[![Coverage Status](https://coveralls.io/repos/github/tlsfuzzer/python-ecdsa/badge.svg?branch=master)](https://coveralls.io/github/tlsfuzzer/python-ecdsa?branch=master) +![condition coverage](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/tomato42/9b6ca1f3410207fbeca785a178781651/raw/python-ecdsa-condition-coverage.json) +[![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/tlsfuzzer/python-ecdsa.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/tlsfuzzer/python-ecdsa/context:python) +[![Total alerts](https://img.shields.io/lgtm/alerts/g/tlsfuzzer/python-ecdsa.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/tlsfuzzer/python-ecdsa/alerts/) +[![Latest Version](https://img.shields.io/pypi/v/ecdsa.svg?style=flat)](https://pypi.python.org/pypi/ecdsa/) +![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg?style=flat) + + +This is an easy-to-use implementation of ECC (Elliptic Curve Cryptography) +with support for ECDSA (Elliptic Curve Digital Signature Algorithm), +EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH +(Elliptic Curve Diffie-Hellman), implemented purely in Python, released under +the MIT license. With this library, you can quickly create key pairs (signing +key and verifying key), sign messages, and verify the signatures. You can +also agree on a shared secret key based on exchanged public keys. +The keys and signatures are very short, making them easy to handle and +incorporate into other protocols. + +**NOTE: This library should not be used in production settings, see [Security](#Security) for more details.** + +## Features + +This library provides key generation, signing, verifying, and shared secret +derivation for five +popular NIST "Suite B" GF(p) (_prime field_) curves, with key lengths of 192, +224, 256, 384, and 521 bits. The "short names" for these curves, as known by +the OpenSSL tool (`openssl ecparam -list_curves`), are: `prime192v1`, +`secp224r1`, `prime256v1`, `secp384r1`, and `secp521r1`. It includes the +256-bit curve `secp256k1` used by Bitcoin. There is also support for the +regular (non-twisted) variants of Brainpool curves from 160 to 512 bits. The +"short names" of those curves are: `brainpoolP160r1`, `brainpoolP192r1`, +`brainpoolP224r1`, `brainpoolP256r1`, `brainpoolP320r1`, `brainpoolP384r1`, +`brainpoolP512r1`. Few of the small curves from SEC standard are also +included (mainly to speed-up testing of the library), those are: +`secp112r1`, `secp112r2`, `secp128r1`, and `secp160r1`. +Key generation, siging and verifying is also supported for Ed25519 and +Ed448 curves. +No other curves are included, but it is not too hard to add support for more +curves over prime fields. + +## Dependencies + +This library uses only Python and the 'six' package. It is compatible with +Python 2.6, 2.7, and 3.3+. It also supports execution on alternative +implementations like pypy and pypy3. + +If `gmpy2` or `gmpy` is installed, they will be used for faster arithmetic. +Either of them can be installed after this library is installed, +`python-ecdsa` will detect their presence on start-up and use them +automatically. +You should prefer `gmpy2` on Python3 for optimal performance. + +To run the OpenSSL compatibility tests, the 'openssl' tool must be in your +`PATH`. This release has been tested successfully against OpenSSL 0.9.8o, +1.0.0a, 1.0.2f, 1.1.1d and 3.0.1 (among others). + + +## Installation + +This library is available on PyPI, it's recommended to install it using `pip`: + +``` +pip install ecdsa +``` + +In case higher performance is wanted and using native code is not a problem, +it's possible to specify installation together with `gmpy2`: + +``` +pip install ecdsa[gmpy2] +``` + +or (slower, legacy option): +``` +pip install ecdsa[gmpy] +``` + +## Speed + +The following table shows how long this library takes to generate key pairs +(`keygen`), to sign data (`sign`), to verify those signatures (`verify`), +to derive a shared secret (`ecdh`), and +to verify the signatures with no key-specific precomputation (`no PC verify`). +All those values are in seconds. +For convenience, the inverses of those values are also provided: +how many keys per second can be generated (`keygen/s`), how many signatures +can be made per second (`sign/s`), how many signatures can be verified +per second (`verify/s`), how many shared secrets can be derived per second +(`ecdh/s`), and how many signatures with no key specific +precomputation can be verified per second (`no PC verify/s`). The size of raw +signature (generally the smallest +the way a signature can be encoded) is also provided in the `siglen` column. +Use `tox -e speed` to generate this table on your own computer. +On an Intel Core i7 4790K @ 4.0GHz I'm getting the following performance: + +``` + siglen keygen keygen/s sign sign/s verify verify/s no PC verify no PC verify/s + NIST192p: 48 0.00032s 3134.06 0.00033s 2985.53 0.00063s 1598.36 0.00129s 774.43 + NIST224p: 56 0.00040s 2469.24 0.00042s 2367.88 0.00081s 1233.41 0.00170s 586.66 + NIST256p: 64 0.00051s 1952.73 0.00054s 1867.80 0.00098s 1021.86 0.00212s 471.27 + NIST384p: 96 0.00107s 935.92 0.00111s 904.23 0.00203s 491.77 0.00446s 224.00 + NIST521p: 132 0.00210s 475.52 0.00215s 464.16 0.00398s 251.28 0.00874s 114.39 + SECP256k1: 64 0.00052s 1921.54 0.00054s 1847.49 0.00105s 948.68 0.00210s 477.01 + BRAINPOOLP160r1: 40 0.00025s 4003.88 0.00026s 3845.12 0.00053s 1893.93 0.00105s 949.92 + BRAINPOOLP192r1: 48 0.00033s 3043.97 0.00034s 2975.98 0.00063s 1581.50 0.00135s 742.29 + BRAINPOOLP224r1: 56 0.00041s 2436.44 0.00043s 2315.51 0.00078s 1278.49 0.00180s 556.16 + BRAINPOOLP256r1: 64 0.00053s 1892.49 0.00054s 1846.24 0.00114s 875.64 0.00229s 437.25 + BRAINPOOLP320r1: 80 0.00073s 1361.26 0.00076s 1309.25 0.00143s 699.29 0.00322s 310.49 + BRAINPOOLP384r1: 96 0.00107s 931.29 0.00111s 901.80 0.00230s 434.19 0.00476s 210.20 + BRAINPOOLP512r1: 128 0.00207s 483.41 0.00212s 471.42 0.00425s 235.43 0.00912s 109.61 + SECP112r1: 28 0.00015s 6672.53 0.00016s 6440.34 0.00031s 3265.41 0.00056s 1774.20 + SECP112r2: 28 0.00015s 6697.11 0.00015s 6479.98 0.00028s 3524.72 0.00058s 1716.16 + SECP128r1: 32 0.00018s 5497.65 0.00019s 5272.89 0.00036s 2747.39 0.00072s 1396.16 + SECP160r1: 42 0.00025s 3949.32 0.00026s 3894.45 0.00046s 2153.85 0.00102s 985.07 + Ed25519: 64 0.00076s 1324.48 0.00042s 2405.01 0.00109s 918.05 0.00344s 290.50 + Ed448: 114 0.00176s 569.53 0.00115s 870.94 0.00282s 355.04 0.01024s 97.69 + + ecdh ecdh/s + NIST192p: 0.00104s 964.89 + NIST224p: 0.00134s 748.63 + NIST256p: 0.00170s 587.08 + NIST384p: 0.00352s 283.90 + NIST521p: 0.00717s 139.51 + SECP256k1: 0.00154s 648.40 + BRAINPOOLP160r1: 0.00082s 1220.70 + BRAINPOOLP192r1: 0.00105s 956.75 + BRAINPOOLP224r1: 0.00136s 734.52 + BRAINPOOLP256r1: 0.00178s 563.32 + BRAINPOOLP320r1: 0.00252s 397.23 + BRAINPOOLP384r1: 0.00376s 266.27 + BRAINPOOLP512r1: 0.00733s 136.35 + SECP112r1: 0.00046s 2180.40 + SECP112r2: 0.00045s 2229.14 + SECP128r1: 0.00054s 1868.15 + SECP160r1: 0.00080s 1243.98 +``` + +To test performance with `gmpy2` loaded, use `tox -e speedgmpy2`. +On the same machine I'm getting the following performance with `gmpy2`: +``` + siglen keygen keygen/s sign sign/s verify verify/s no PC verify no PC verify/s + NIST192p: 48 0.00017s 5933.40 0.00017s 5751.70 0.00032s 3125.28 0.00067s 1502.41 + NIST224p: 56 0.00021s 4782.87 0.00022s 4610.05 0.00040s 2487.04 0.00089s 1126.90 + NIST256p: 64 0.00023s 4263.98 0.00024s 4125.16 0.00045s 2200.88 0.00098s 1016.82 + NIST384p: 96 0.00041s 2449.54 0.00042s 2399.96 0.00083s 1210.57 0.00172s 581.43 + NIST521p: 132 0.00071s 1416.07 0.00072s 1389.81 0.00144s 692.93 0.00312s 320.40 + SECP256k1: 64 0.00024s 4245.05 0.00024s 4122.09 0.00045s 2206.40 0.00094s 1068.32 + BRAINPOOLP160r1: 40 0.00014s 6939.17 0.00015s 6681.55 0.00029s 3452.43 0.00057s 1769.81 + BRAINPOOLP192r1: 48 0.00017s 5920.05 0.00017s 5774.36 0.00034s 2979.00 0.00069s 1453.19 + BRAINPOOLP224r1: 56 0.00021s 4732.12 0.00022s 4622.65 0.00041s 2422.47 0.00087s 1149.87 + BRAINPOOLP256r1: 64 0.00024s 4233.02 0.00024s 4115.20 0.00047s 2143.27 0.00098s 1015.60 + BRAINPOOLP320r1: 80 0.00032s 3162.38 0.00032s 3077.62 0.00063s 1598.83 0.00136s 737.34 + BRAINPOOLP384r1: 96 0.00041s 2436.88 0.00042s 2395.62 0.00083s 1202.68 0.00178s 562.85 + BRAINPOOLP512r1: 128 0.00063s 1587.60 0.00064s 1558.83 0.00125s 799.96 0.00281s 355.83 + SECP112r1: 28 0.00009s 11118.66 0.00009s 10775.48 0.00018s 5456.00 0.00033s 3020.83 + SECP112r2: 28 0.00009s 11322.97 0.00009s 10857.71 0.00017s 5748.77 0.00032s 3094.28 + SECP128r1: 32 0.00010s 10078.39 0.00010s 9665.27 0.00019s 5200.58 0.00036s 2760.88 + SECP160r1: 42 0.00015s 6875.51 0.00015s 6647.35 0.00029s 3422.41 0.00057s 1768.35 + Ed25519: 64 0.00030s 3322.56 0.00018s 5568.63 0.00046s 2165.35 0.00153s 654.02 + Ed448: 114 0.00060s 1680.53 0.00039s 2567.40 0.00096s 1036.67 0.00350s 285.62 + + ecdh ecdh/s + NIST192p: 0.00050s 1985.70 + NIST224p: 0.00066s 1524.16 + NIST256p: 0.00071s 1413.07 + NIST384p: 0.00127s 788.89 + NIST521p: 0.00230s 434.85 + SECP256k1: 0.00071s 1409.95 + BRAINPOOLP160r1: 0.00042s 2374.65 + BRAINPOOLP192r1: 0.00051s 1960.01 + BRAINPOOLP224r1: 0.00066s 1518.37 + BRAINPOOLP256r1: 0.00071s 1399.90 + BRAINPOOLP320r1: 0.00100s 997.21 + BRAINPOOLP384r1: 0.00129s 777.51 + BRAINPOOLP512r1: 0.00210s 475.99 + SECP112r1: 0.00022s 4457.70 + SECP112r2: 0.00024s 4252.33 + SECP128r1: 0.00028s 3589.31 + SECP160r1: 0.00043s 2305.02 +``` + +(there's also `gmpy` version, execute it using `tox -e speedgmpy`) + +For comparison, a highly optimised implementation (including curve-specific +assembly for some curves), like the one in OpenSSL 1.1.1d, provides the +following performance numbers on the same machine. +Run `openssl speed ecdsa` and `openssl speed ecdh` to reproduce it: +``` + sign verify sign/s verify/s + 192 bits ecdsa (nistp192) 0.0002s 0.0002s 4785.6 5380.7 + 224 bits ecdsa (nistp224) 0.0000s 0.0001s 22475.6 9822.0 + 256 bits ecdsa (nistp256) 0.0000s 0.0001s 45069.6 14166.6 + 384 bits ecdsa (nistp384) 0.0008s 0.0006s 1265.6 1648.1 + 521 bits ecdsa (nistp521) 0.0003s 0.0005s 3753.1 1819.5 + 256 bits ecdsa (brainpoolP256r1) 0.0003s 0.0003s 2983.5 3333.2 + 384 bits ecdsa (brainpoolP384r1) 0.0008s 0.0007s 1258.8 1528.1 + 512 bits ecdsa (brainpoolP512r1) 0.0015s 0.0012s 675.1 860.1 + + sign verify sign/s verify/s + 253 bits EdDSA (Ed25519) 0.0000s 0.0001s 28217.9 10897.7 + 456 bits EdDSA (Ed448) 0.0003s 0.0005s 3926.5 2147.7 + + op op/s + 192 bits ecdh (nistp192) 0.0002s 4853.4 + 224 bits ecdh (nistp224) 0.0001s 15252.1 + 256 bits ecdh (nistp256) 0.0001s 18436.3 + 384 bits ecdh (nistp384) 0.0008s 1292.7 + 521 bits ecdh (nistp521) 0.0003s 2884.7 + 256 bits ecdh (brainpoolP256r1) 0.0003s 3066.5 + 384 bits ecdh (brainpoolP384r1) 0.0008s 1298.0 + 512 bits ecdh (brainpoolP512r1) 0.0014s 694.8 +``` + +Keys and signature can be serialized in different ways (see Usage, below). +For a NIST192p key, the three basic representations require strings of the +following lengths (in bytes): + + to_string: signkey= 24, verifykey= 48, signature=48 + compressed: signkey=n/a, verifykey= 25, signature=n/a + DER: signkey=106, verifykey= 80, signature=55 + PEM: signkey=278, verifykey=162, (no support for PEM signatures) + +## History + +In 2006, Peter Pearson announced his pure-python implementation of ECDSA in a +[message to sci.crypt][1], available from his [download site][2]. In 2010, +Brian Warner wrote a wrapper around this code, to make it a bit easier and +safer to use. In 2020, Hubert Kario included an implementation of elliptic +curve cryptography that uses Jacobian coordinates internally, improving +performance about 20-fold. You are looking at the README for this wrapper. + +[1]: http://www.derkeiler.com/Newsgroups/sci.crypt/2006-01/msg00651.html +[2]: http://webpages.charter.net/curryfans/peter/downloads.html + +## Testing + +To run the full test suite, do this: + + tox -e coverage + +On an Intel Core i7 4790K @ 4.0GHz, the tests take about 18 seconds to execute. +The test suite uses +[`hypothesis`](https://github.com/HypothesisWorks/hypothesis) so there is some +inherent variability in the test suite execution time. + +One part of `test_pyecdsa.py` and `test_ecdh.py` checks compatibility with +OpenSSL, by running the "openssl" CLI tool, make sure it's in your `PATH` if +you want to test compatibility with it (if OpenSSL is missing, too old, or +doesn't support all the curves supported in upstream releases you will see +skipped tests in the above `coverage` run). + +## Security + +This library was not designed with security in mind. If you are processing +data that needs to be protected we suggest you use a quality wrapper around +OpenSSL. [pyca/cryptography](https://cryptography.io) is one example of such +a wrapper. The primary use-case of this library is as a portable library for +interoperability testing and as a teaching tool. + +**This library does not protect against side-channel attacks.** + +Do not allow attackers to measure how long it takes you to generate a key pair +or sign a message. Do not allow attackers to run code on the same physical +machine when key pair generation or signing is taking place (this includes +virtual machines). Do not allow attackers to measure how much power your +computer uses while generating the key pair or signing a message. Do not allow +attackers to measure RF interference coming from your computer while generating +a key pair or signing a message. Note: just loading the private key will cause +key pair generation. Other operations or attack vectors may also be +vulnerable to attacks. **For a sophisticated attacker observing just one +operation with a private key will be sufficient to completely +reconstruct the private key**. + +Please also note that any Pure-python cryptographic library will be vulnerable +to the same side-channel attacks. This is because Python does not provide +side-channel secure primitives (with the exception of +[`hmac.compare_digest()`][3]), making side-channel secure programming +impossible. + +This library depends upon a strong source of random numbers. Do not use it on +a system where `os.urandom()` does not provide cryptographically secure +random numbers. + +[3]: https://docs.python.org/3/library/hmac.html#hmac.compare_digest + +## Usage + +You start by creating a `SigningKey`. You can use this to sign data, by passing +in data as a byte string and getting back the signature (also a byte string). +You can also ask a `SigningKey` to give you the corresponding `VerifyingKey`. +The `VerifyingKey` can be used to verify a signature, by passing it both the +data string and the signature byte string: it either returns True or raises +`BadSignatureError`. + +```python +from ecdsa import SigningKey +sk = SigningKey.generate() # uses NIST192p +vk = sk.verifying_key +signature = sk.sign(b"message") +assert vk.verify(signature, b"message") +``` + +Each `SigningKey`/`VerifyingKey` is associated with a specific curve, like +NIST192p (the default one). Longer curves are more secure, but take longer to +use, and result in longer keys and signatures. + +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +signature = sk.sign(b"message") +assert vk.verify(signature, b"message") +``` + +The `SigningKey` can be serialized into several different formats: the shortest +is to call `s=sk.to_string()`, and then re-create it with +`SigningKey.from_string(s, curve)` . This short form does not record the +curve, so you must be sure to pass to `from_string()` the same curve you used +for the original key. The short form of a NIST192p-based signing key is just 24 +bytes long. If a point encoding is invalid or it does not lie on the specified +curve, `from_string()` will raise `MalformedPointError`. + +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +sk_string = sk.to_string() +sk2 = SigningKey.from_string(sk_string, curve=NIST384p) +print(sk_string.hex()) +print(sk2.to_string().hex()) +``` + +Note: while the methods are called `to_string()` the type they return is +actually `bytes`, the "string" part is leftover from Python 2. + +`sk.to_pem()` and `sk.to_der()` will serialize the signing key into the same +formats that OpenSSL uses. The PEM file looks like the familiar ASCII-armored +`"-----BEGIN EC PRIVATE KEY-----"` base64-encoded format, and the DER format +is a shorter binary form of the same data. +`SigningKey.from_pem()/.from_der()` will undo this serialization. These +formats include the curve name, so you do not need to pass in a curve +identifier to the deserializer. In case the file is malformed `from_der()` +and `from_pem()` will raise `UnexpectedDER` or` MalformedPointError`. + +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +sk_pem = sk.to_pem() +sk2 = SigningKey.from_pem(sk_pem) +# sk and sk2 are the same key +``` + +Likewise, the `VerifyingKey` can be serialized in the same way: +`vk.to_string()/VerifyingKey.from_string()`, `to_pem()/from_pem()`, and +`to_der()/from_der()`. The same `curve=` argument is needed for +`VerifyingKey.from_string()`. + +```python +from ecdsa import SigningKey, VerifyingKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +vk_string = vk.to_string() +vk2 = VerifyingKey.from_string(vk_string, curve=NIST384p) +# vk and vk2 are the same key + +from ecdsa import SigningKey, VerifyingKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +vk_pem = vk.to_pem() +vk2 = VerifyingKey.from_pem(vk_pem) +# vk and vk2 are the same key +``` + +There are a couple of different ways to compute a signature. Fundamentally, +ECDSA takes a number that represents the data being signed, and returns a +pair of numbers that represent the signature. The `hashfunc=` argument to +`sk.sign()` and `vk.verify()` is used to turn an arbitrary string into a +fixed-length digest, which is then turned into a number that ECDSA can sign, +and both sign and verify must use the same approach. The default value is +`hashlib.sha1`, but if you use NIST256p or a longer curve, you can use +`hashlib.sha256` instead. + +There are also multiple ways to represent a signature. The default +`sk.sign()` and `vk.verify()` methods present it as a short string, for +simplicity and minimal overhead. To use a different scheme, use the +`sk.sign(sigencode=)` and `vk.verify(sigdecode=)` arguments. There are helper +functions in the `ecdsa.util` module that can be useful here. + +It is also possible to create a `SigningKey` from a "seed", which is +deterministic. This can be used in protocols where you want to derive +consistent signing keys from some other secret, for example when you want +three separate keys and only want to store a single master secret. You should +start with a uniformly-distributed unguessable seed with about `curve.baselen` +bytes of entropy, and then use one of the helper functions in `ecdsa.util` to +convert it into an integer in the correct range, and then finally pass it +into `SigningKey.from_secret_exponent()`, like this: + +```python +import os +from ecdsa import NIST384p, SigningKey +from ecdsa.util import randrange_from_seed__trytryagain + +def make_key(seed): + secexp = randrange_from_seed__trytryagain(seed, NIST384p.order) + return SigningKey.from_secret_exponent(secexp, curve=NIST384p) + +seed = os.urandom(NIST384p.baselen) # or other starting point +sk1a = make_key(seed) +sk1b = make_key(seed) +# note: sk1a and sk1b are the same key +assert sk1a.to_string() == sk1b.to_string() +sk2 = make_key(b"2-"+seed) # different key +assert sk1a.to_string() != sk2.to_string() +``` + +In case the application will verify a lot of signatures made with a single +key, it's possible to precompute some of the internal values to make +signature verification significantly faster. The break-even point occurs at +about 100 signatures verified. + +To perform precomputation, you can call the `precompute()` method +on `VerifyingKey` instance: +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +vk.precompute() +signature = sk.sign(b"message") +assert vk.verify(signature, b"message") +``` + +Once `precompute()` was called, all signature verifications with this key will +be faster to execute. + +## OpenSSL Compatibility + +To produce signatures that can be verified by OpenSSL tools, or to verify +signatures that were produced by those tools, use: + +```python +# openssl ecparam -name prime256v1 -genkey -out sk.pem +# openssl ec -in sk.pem -pubout -out vk.pem +# echo "data for signing" > data +# openssl dgst -sha256 -sign sk.pem -out data.sig data +# openssl dgst -sha256 -verify vk.pem -signature data.sig data +# openssl dgst -sha256 -prverify sk.pem -signature data.sig data + +import hashlib +from ecdsa import SigningKey, VerifyingKey +from ecdsa.util import sigencode_der, sigdecode_der + +with open("vk.pem") as f: + vk = VerifyingKey.from_pem(f.read()) + +with open("data", "rb") as f: + data = f.read() + +with open("data.sig", "rb") as f: + signature = f.read() + +assert vk.verify(signature, data, hashlib.sha256, sigdecode=sigdecode_der) + +with open("sk.pem") as f: + sk = SigningKey.from_pem(f.read(), hashlib.sha256) + +new_signature = sk.sign_deterministic(data, sigencode=sigencode_der) + +with open("data.sig2", "wb") as f: + f.write(new_signature) + +# openssl dgst -sha256 -verify vk.pem -signature data.sig2 data +``` + +Note: if compatibility with OpenSSL 1.0.0 or earlier is necessary, the +`sigencode_string` and `sigdecode_string` from `ecdsa.util` can be used for +respectively writing and reading the signatures. + +The keys also can be written in format that openssl can handle: + +```python +from ecdsa import SigningKey, VerifyingKey + +with open("sk.pem") as f: + sk = SigningKey.from_pem(f.read()) +with open("sk.pem", "wb") as f: + f.write(sk.to_pem()) + +with open("vk.pem") as f: + vk = VerifyingKey.from_pem(f.read()) +with open("vk.pem", "wb") as f: + f.write(vk.to_pem()) +``` + +## Entropy + +Creating a signing key with `SigningKey.generate()` requires some form of +entropy (as opposed to +`from_secret_exponent`/`from_string`/`from_der`/`from_pem`, +which are deterministic and do not require an entropy source). The default +source is `os.urandom()`, but you can pass any other function that behaves +like `os.urandom` as the `entropy=` argument to do something different. This +may be useful in unit tests, where you want to achieve repeatable results. The +`ecdsa.util.PRNG` utility is handy here: it takes a seed and produces a strong +pseudo-random stream from it: + +```python +from ecdsa.util import PRNG +from ecdsa import SigningKey +rng1 = PRNG(b"seed") +sk1 = SigningKey.generate(entropy=rng1) +rng2 = PRNG(b"seed") +sk2 = SigningKey.generate(entropy=rng2) +# sk1 and sk2 are the same key +``` + +Likewise, ECDSA signature generation requires a random number, and each +signature must use a different one (using the same number twice will +immediately reveal the private signing key). The `sk.sign()` method takes an +`entropy=` argument which behaves the same as `SigningKey.generate(entropy=)`. + +## Deterministic Signatures + +If you call `SigningKey.sign_deterministic(data)` instead of `.sign(data)`, +the code will generate a deterministic signature instead of a random one. +This uses the algorithm from RFC6979 to safely generate a unique `k` value, +derived from the private key and the message being signed. Each time you sign +the same message with the same key, you will get the same signature (using +the same `k`). + +This may become the default in a future version, as it is not vulnerable to +failures of the entropy source. + +## Examples + +Create a NIST192p key pair and immediately save both to disk: + +```python +from ecdsa import SigningKey +sk = SigningKey.generate() +vk = sk.verifying_key +with open("private.pem", "wb") as f: + f.write(sk.to_pem()) +with open("public.pem", "wb") as f: + f.write(vk.to_pem()) +``` + +Load a signing key from disk, use it to sign a message (using SHA-1), and write +the signature to disk: + +```python +from ecdsa import SigningKey +with open("private.pem") as f: + sk = SigningKey.from_pem(f.read()) +with open("message", "rb") as f: + message = f.read() +sig = sk.sign(message) +with open("signature", "wb") as f: + f.write(sig) +``` + +Load the verifying key, message, and signature from disk, and verify the +signature (assume SHA-1 hash): + +```python +from ecdsa import VerifyingKey, BadSignatureError +vk = VerifyingKey.from_pem(open("public.pem").read()) +with open("message", "rb") as f: + message = f.read() +with open("signature", "rb") as f: + sig = f.read() +try: + vk.verify(sig, message) + print "good signature" +except BadSignatureError: + print "BAD SIGNATURE" +``` + +Create a NIST521p key pair: + +```python +from ecdsa import SigningKey, NIST521p +sk = SigningKey.generate(curve=NIST521p) +vk = sk.verifying_key +``` + +Create three independent signing keys from a master seed: + +```python +from ecdsa import NIST192p, SigningKey +from ecdsa.util import randrange_from_seed__trytryagain + +def make_key_from_seed(seed, curve=NIST192p): + secexp = randrange_from_seed__trytryagain(seed, curve.order) + return SigningKey.from_secret_exponent(secexp, curve) + +sk1 = make_key_from_seed("1:%s" % seed) +sk2 = make_key_from_seed("2:%s" % seed) +sk3 = make_key_from_seed("3:%s" % seed) +``` + +Load a verifying key from disk and print it using hex encoding in +uncompressed and compressed format (defined in X9.62 and SEC1 standards): + +```python +from ecdsa import VerifyingKey + +with open("public.pem") as f: + vk = VerifyingKey.from_pem(f.read()) + +print("uncompressed: {0}".format(vk.to_string("uncompressed").hex())) +print("compressed: {0}".format(vk.to_string("compressed").hex())) +``` + +Load a verifying key from a hex string from compressed format, output +uncompressed: + +```python +from ecdsa import VerifyingKey, NIST256p + +comp_str = '022799c0d0ee09772fdd337d4f28dc155581951d07082fb19a38aa396b67e77759' +vk = VerifyingKey.from_string(bytearray.fromhex(comp_str), curve=NIST256p) +print(vk.to_string("uncompressed").hex()) +``` + +ECDH key exchange with remote party: + +```python +from ecdsa import ECDH, NIST256p + +ecdh = ECDH(curve=NIST256p) +ecdh.generate_private_key() +local_public_key = ecdh.get_public_key() +#send `local_public_key` to remote party and receive `remote_public_key` from remote party +with open("remote_public_key.pem") as e: + remote_public_key = e.read() +ecdh.load_received_public_key_pem(remote_public_key) +secret = ecdh.generate_sharedsecret_bytes() +``` + + diff --git a/frozen_deps/ecdsa-0.18.0.dist-info/RECORD b/frozen_deps/ecdsa-0.18.0.dist-info/RECORD new file mode 100644 index 0000000..f4130d1 --- /dev/null +++ b/frozen_deps/ecdsa-0.18.0.dist-info/RECORD @@ -0,0 +1,64 @@ +ecdsa-0.18.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +ecdsa-0.18.0.dist-info/LICENSE,sha256=PsqYRXc9LluMydjBGdNF8ApIBuS9Zg1KPWzfnA6di7I,1147 +ecdsa-0.18.0.dist-info/METADATA,sha256=vesFVMWT6uSeOuNwGGxtBm8nm6GROqNNRO28jr8wWqM,29750 +ecdsa-0.18.0.dist-info/RECORD,, +ecdsa-0.18.0.dist-info/WHEEL,sha256=Z-nyYpwrcSqxfdux5Mbn_DQ525iP7J2DG3JgGvOYyTQ,110 +ecdsa-0.18.0.dist-info/top_level.txt,sha256=7ovPHfAPyTou19f8gOSbHm6B9dGjTibWolcCB7Zjovs,6 +ecdsa/__init__.py,sha256=m8jWFcZ9E-iiDqVaTy7ABtvEyTJlF58tZ45UAKj3UWo,1637 +ecdsa/__pycache__/__init__.cpython-310.pyc,, 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