From 05da4603fb8155f89fc24dcebf880938a0394e85 Mon Sep 17 00:00:00 2001 From: Determinant Date: Sun, 16 Aug 2020 02:31:31 -0400 Subject: freeze the dependencies --- freezed_deps/ecdsa/curves.py | 128 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 freezed_deps/ecdsa/curves.py (limited to 'freezed_deps/ecdsa/curves.py') diff --git a/freezed_deps/ecdsa/curves.py b/freezed_deps/ecdsa/curves.py new file mode 100644 index 0000000..173a2cd --- /dev/null +++ b/freezed_deps/ecdsa/curves.py @@ -0,0 +1,128 @@ +from __future__ import division + +from . import der, ecdsa +from .util import orderlen + + +# orderlen was defined in this module previously, so keep it in __all__, +# will need to mark it as deprecated later +__all__ = ["UnknownCurveError", "orderlen", "Curve", "NIST192p", + "NIST224p", "NIST256p", "NIST384p", "NIST521p", "curves", + "find_curve", "SECP256k1", "BRAINPOOLP160r1", "BRAINPOOLP192r1", + "BRAINPOOLP224r1", "BRAINPOOLP256r1", "BRAINPOOLP320r1", + "BRAINPOOLP384r1", "BRAINPOOLP512r1"] + + +class UnknownCurveError(Exception): + pass + + +class Curve: + def __init__(self, name, curve, generator, oid, openssl_name=None): + self.name = name + self.openssl_name = openssl_name # maybe None + self.curve = curve + self.generator = generator + self.order = generator.order() + self.baselen = orderlen(self.order) + self.verifying_key_length = 2*self.baselen + self.signature_length = 2*self.baselen + self.oid = oid + self.encoded_oid = der.encode_oid(*oid) + + def __repr__(self): + return self.name + + +# the NIST curves +NIST192p = Curve("NIST192p", ecdsa.curve_192, + ecdsa.generator_192, + (1, 2, 840, 10045, 3, 1, 1), "prime192v1") + + +NIST224p = Curve("NIST224p", ecdsa.curve_224, + ecdsa.generator_224, + (1, 3, 132, 0, 33), "secp224r1") + + +NIST256p = Curve("NIST256p", ecdsa.curve_256, + ecdsa.generator_256, + (1, 2, 840, 10045, 3, 1, 7), "prime256v1") + + +NIST384p = Curve("NIST384p", ecdsa.curve_384, + ecdsa.generator_384, + (1, 3, 132, 0, 34), "secp384r1") + + +NIST521p = Curve("NIST521p", ecdsa.curve_521, + ecdsa.generator_521, + (1, 3, 132, 0, 35), "secp521r1") + + +SECP256k1 = Curve("SECP256k1", ecdsa.curve_secp256k1, + ecdsa.generator_secp256k1, + (1, 3, 132, 0, 10), "secp256k1") + + +BRAINPOOLP160r1 = Curve("BRAINPOOLP160r1", + ecdsa.curve_brainpoolp160r1, + ecdsa.generator_brainpoolp160r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 1), + "brainpoolP160r1") + + +BRAINPOOLP192r1 = Curve("BRAINPOOLP192r1", + ecdsa.curve_brainpoolp192r1, + ecdsa.generator_brainpoolp192r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 3), + "brainpoolP192r1") + + +BRAINPOOLP224r1 = Curve("BRAINPOOLP224r1", + ecdsa.curve_brainpoolp224r1, + ecdsa.generator_brainpoolp224r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 5), + "brainpoolP224r1") + + +BRAINPOOLP256r1 = Curve("BRAINPOOLP256r1", + ecdsa.curve_brainpoolp256r1, + ecdsa.generator_brainpoolp256r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 7), + "brainpoolP256r1") + + +BRAINPOOLP320r1 = Curve("BRAINPOOLP320r1", + ecdsa.curve_brainpoolp320r1, + ecdsa.generator_brainpoolp320r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 9), + "brainpoolP320r1") + + +BRAINPOOLP384r1 = Curve("BRAINPOOLP384r1", + ecdsa.curve_brainpoolp384r1, + ecdsa.generator_brainpoolp384r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 11), + "brainpoolP384r1") + + +BRAINPOOLP512r1 = Curve("BRAINPOOLP512r1", + ecdsa.curve_brainpoolp512r1, + ecdsa.generator_brainpoolp512r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 13), + "brainpoolP512r1") + + +curves = [NIST192p, NIST224p, NIST256p, NIST384p, NIST521p, SECP256k1, + BRAINPOOLP160r1, BRAINPOOLP192r1, BRAINPOOLP224r1, BRAINPOOLP256r1, + BRAINPOOLP320r1, BRAINPOOLP384r1, BRAINPOOLP512r1] + + +def find_curve(oid_curve): + for c in curves: + if c.oid == oid_curve: + return c + raise UnknownCurveError("I don't know about the curve with oid %s." + "I only know about these: %s" % + (oid_curve, [c.name for c in curves])) -- cgit v1.2.3