forked from mirrors/gecko-dev
838 lines
39 KiB
Python
Executable file
838 lines
39 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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"""
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Reads a key specification from stdin or a file and outputs a
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PKCS #8 file representing the (private) key. Also provides
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methods for signing data and representing the key as a subject
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public key info for use with pyasn1.
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The key specification format is as follows:
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default: a 2048-bit RSA key
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alternate: a different 2048-bit RSA key
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ev: a 2048-bit RSA key that, when combined with the right pycert
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specification, results in a certificate that is enabled for
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extended validation in debug Firefox (see ExtendedValidation.cpp).
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evRSA2040: a 2040-bit RSA key that, when combined with the right pycert
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specification, results in a certificate that is enabled for
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extended validation in debug Firefox.
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rsa2040: a 2040-bit RSA key
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rsa1024: a 1024-bit RSA key
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rsa1016: a 1016-bit RSA key
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secp256k1: an ECC key on the curve secp256k1
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secp244r1: an ECC key on the curve secp244r1
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secp256r1: an ECC key on the curve secp256r1
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secp384r1: an ECC key on the curve secp384r1
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secp521r1: an ECC key on the curve secp521r1
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"""
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from pyasn1.codec.der import encoder
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from pyasn1.type import univ, namedtype, tag
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from pyasn1_modules import rfc2459
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import base64
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import binascii
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import ecdsa
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import hashlib
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import math
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import rsa
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import six
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import sys
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# "constants" to make it easier for consumers to specify hash algorithms
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HASH_MD5 = 'hash:md5'
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HASH_SHA1 = 'hash:sha1'
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HASH_SHA256 = 'hash:sha256'
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HASH_SHA384 = 'hash:sha384'
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HASH_SHA512 = 'hash:sha512'
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# NOTE: With bug 1621441 we migrated from one library for ecdsa to another.
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# These libraries differ somewhat in terms of functionality and interface. In
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# order to ensure there are no diffs and that the generated signatures are
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# exactly the same between the two libraries, we need to patch some stuff in.
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def _gen_k(curve):
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# This calculation is arbitrary, but it matches what we were doing pre-
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# bug 1621441 (see the above NOTE). Crucially, this generation of k is
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# non-random; the ecdsa library exposes an option to deterministically
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# generate a value of k for us, but it doesn't match up to what we were
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# doing before so we have to inject a custom value.
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num_bytes = int(math.log(curve.order - 1, 2) + 1) // 8 + 8
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entropy = int.from_bytes(b'\04' * num_bytes, byteorder='big')
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p = curve.curve.p()
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return (entropy % (p - 1)) + 1
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# As above, the library has built-in logic for truncating digests that are too
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# large, but they use a slightly different technique than our previous library.
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# Re-implement that logic here.
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def _truncate_digest(digest, curve):
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i = int.from_bytes(digest, byteorder='big')
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p = curve.curve.p()
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while i > p:
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i >>= 1
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return i.to_bytes(math.ceil(i.bit_length() / 8), byteorder='big')
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def byteStringToHexifiedBitString(string):
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"""Takes a string of bytes and returns a hex string representing
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those bytes for use with pyasn1.type.univ.BitString. It must be of
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the form "'<hex bytes>'H", where the trailing 'H' indicates to
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pyasn1 that the input is a hex string."""
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return "'%s'H" % six.ensure_binary(string).hex()
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class UnknownBaseError(Exception):
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"""Base class for handling unexpected input in this module."""
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def __init__(self, value):
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super(UnknownBaseError, self).__init__()
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self.value = value
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self.category = 'input'
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def __str__(self):
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return 'Unknown %s type "%s"' % (self.category, repr(self.value))
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class UnknownKeySpecificationError(UnknownBaseError):
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"""Helper exception type to handle unknown key specifications."""
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def __init__(self, value):
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UnknownBaseError.__init__(self, value)
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self.category = 'key specification'
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class UnknownHashAlgorithmError(UnknownBaseError):
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"""Helper exception type to handle unknown key specifications."""
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def __init__(self, value):
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UnknownBaseError.__init__(self, value)
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self.category = 'hash algorithm'
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class UnsupportedHashAlgorithmError(Exception):
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"""Helper exception type for unsupported hash algorithms."""
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def __init__(self, value):
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super(UnsupportedHashAlgorithmError, self).__init__()
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self.value = value
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def __str__(self):
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return 'Unsupported hash algorithm "%s"' % repr(self.value)
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class RSAPublicKey(univ.Sequence):
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"""Helper type for encoding an RSA public key"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('N', univ.Integer()),
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namedtype.NamedType('E', univ.Integer()))
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class RSAPrivateKey(univ.Sequence):
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"""Helper type for encoding an RSA private key"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('version', univ.Integer()),
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namedtype.NamedType('modulus', univ.Integer()),
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namedtype.NamedType('publicExponent', univ.Integer()),
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namedtype.NamedType('privateExponent', univ.Integer()),
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namedtype.NamedType('prime1', univ.Integer()),
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namedtype.NamedType('prime2', univ.Integer()),
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namedtype.NamedType('exponent1', univ.Integer()),
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namedtype.NamedType('exponent2', univ.Integer()),
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namedtype.NamedType('coefficient', univ.Integer()),
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)
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class ECPrivateKey(univ.Sequence):
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"""Helper type for encoding an EC private key
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ECPrivateKey ::= SEQUENCE {
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version INTEGER { ecPrivkeyVer1(1) } (ecPrivkeyVer1),
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privateKey OCTET STRING,
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parameters [0] ECParameters {{ NamedCurve }} OPTIONAL,
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(NOTE: parameters field is not supported)
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publicKey [1] BIT STRING OPTIONAL
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}"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('version', univ.Integer()),
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namedtype.NamedType('privateKey', univ.OctetString()),
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namedtype.OptionalNamedType('publicKey', univ.BitString().subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
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)
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class ECPoint(univ.Sequence):
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"""Helper type for encoding a EC point"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('x', univ.Integer()),
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namedtype.NamedType('y', univ.Integer())
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)
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class PrivateKeyInfo(univ.Sequence):
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"""Helper type for encoding a PKCS #8 private key info"""
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('version', univ.Integer()),
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namedtype.NamedType('privateKeyAlgorithm', rfc2459.AlgorithmIdentifier()),
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namedtype.NamedType('privateKey', univ.OctetString())
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)
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class RSAKey(object):
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# For reference, when encoded as a subject public key info, the
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# base64-encoded sha-256 hash of this key is
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# VCIlmPM9NkgFQtrs4Oa5TeFcDu6MWRTKSNdePEhOgD8=
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sharedRSA_N = int(
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'00ba8851a8448e16d641fd6eb6880636103d3c13d9eae4354ab4ecf56857'
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'6c247bc1c725a8e0d81fbdb19c069b6e1a86f26be2af5a756b6a6471087a'
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'a55aa74587f71cd5249c027ecd43fc1e69d038202993ab20c349e4dbb94c'
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'c26b6c0eed15820ff17ead691ab1d3023a8b2a41eea770e00f0d8dfd660b'
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'2bb02492a47db988617990b157903dd23bc5e0b8481fa837d38843ef2716'
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'd855b7665aaa7e02902f3a7b10800624cc1c6c97ad96615bb7e29612c075'
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'31a30c91ddb4caf7fcad1d25d309efb9170ea768e1b37b2f226f69e3b48a'
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'95611dee26d6259dab91084e36cb1c24042cbf168b2fe5f18f991731b8b3'
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'fe4923fa7251c431d503acda180a35ed8d', 16)
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sharedRSA_E = 65537
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sharedRSA_D = int(
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'009ecbce3861a454ecb1e0fe8f85dd43c92f5825ce2e997884d0e1a949da'
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'a2c5ac559b240450e5ac9fe0c3e31c0eefa6525a65f0c22194004ee1ab46'
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'3dde9ee82287cc93e746a91929c5e6ac3d88753f6c25ba5979e73e5d8fb2'
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'39111a3cdab8a4b0cdf5f9cab05f1233a38335c64b5560525e7e3b92ad7c'
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'7504cf1dc7cb005788afcbe1e8f95df7402a151530d5808346864eb370aa'
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'79956a587862cb533791307f70d91c96d22d001a69009b923c683388c9f3'
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'6cb9b5ebe64302041c78d908206b87009cb8cabacad3dbdb2792fb911b2c'
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'f4db6603585be9ae0ca3b8e6417aa04b06e470ea1a3b581ca03a6781c931'
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'5b62b30e6011f224725946eec57c6d9441', 16)
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sharedRSA_P = int(
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'00dd6e1d4fffebf68d889c4d114cdaaa9caa63a59374286c8a5c29a717bb'
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'a60375644d5caa674c4b8bc7326358646220e4550d7608ac27d55b6db74f'
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'8d8127ef8fa09098b69147de065573447e183d22fe7d885aceb513d9581d'
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'd5e07c1a90f5ce0879de131371ecefc9ce72e9c43dc127d238190de81177'
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'3ca5d19301f48c742b', 16)
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sharedRSA_Q = int(
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'00d7a773d9ebc380a767d2fec0934ad4e8b5667240771acdebb5ad796f47'
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'8fec4d45985efbc9532968289c8d89102fadf21f34e2dd4940eba8c09d6d'
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'1f16dcc29729774c43275e9251ddbe4909e1fd3bf1e4bedf46a39b8b3833'
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'28ef4ae3b95b92f2070af26c9e7c5c9b587fedde05e8e7d86ca57886fb16'
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'5810a77b9845bc3127', 16)
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sharedRSA_exp1 = int(
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'0096472b41a610c0ade1af2266c1600e3671355ba42d4b5a0eb4e9d7eb35'
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'81400ba5dd132cdb1a5e9328c7bbc0bbb0155ea192972edf97d12751d8fc'
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'f6ae572a30b1ea309a8712dd4e33241db1ee455fc093f5bc9b592d756e66'
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'21474f32c07af22fb275d340792b32ba2590bbb261aefb95a258eea53765'
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'5315be9c24d191992d', 16)
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sharedRSA_exp2 = int(
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'28b450a7a75a856413b2bda6f7a63e3d964fb9ecf50e3823ef6cc8e8fa26'
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'ee413f8b9d1205540f12bbe7a0c76828b7ba65ad83cca4d0fe2a220114e1'
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'b35d03d5a85bfe2706bd50fce6cfcdd571b46ca621b8ed47d605bbe765b0'
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'aa4a0665ac25364da20154032e1204b8559d3e34fb5b177c9a56ff93510a'
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'5a4a6287c151de2d', 16)
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sharedRSA_coef = int(
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'28067b9355801d2ef52dfa96d8adb589673cf8ee8a9c6ff72aeeabe9ef6b'
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'e58a4f4abf05f788947dc851fdaa34542147a71a246bfb054ee76aa346ab'
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'cd2692cfc9e44c51e6f069c735e073ba019f6a7214961c91b26871caeabf'
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'8f064418a02690e39a8d5ff3067b7cdb7f50b1f53418a703966c4fc774bf'
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'7402af6c43247f43', 16)
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# For reference, when encoded as a subject public key info, the
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# base64-encoded sha-256 hash of this key is
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# MQj2tt1yGAfwFpWETYUCVrZxk2CD2705NKBQUlAaKJI=
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alternateRSA_N = int(
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'00c175c65266099f77082a6791f1b876c37f5ce538b06c4acd22b1cbd46f'
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'a65ada2add41c8c2498ac4a3b3c1f61487f41b698941bd80a51c3c120244'
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'c584a4c4483305e5138c0106cf08be9a862760bae6a2e8f36f23c5d98313'
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'b9dfaf378345dace51d4d6dcd2a6cb3cc706ebcd3070ec98cce40aa591d7'
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'295a7f71c5be66691d2b2dfec84944590bc5a3ea49fd93b1d753405f1773'
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'7699958666254797ed426908880811422069988a43fee48ce68781dd22b6'
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'a69cd28375131f932b128ce286fa7d251c062ad27ef016f187cdd54e832b'
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'35b8930f74ba90aa8bc76167242ab1fd6d62140d18c4c0b8c68fc3748457'
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'324ad7de86e6552f1d1e191d712168d3bb', 16)
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alternateRSA_E = 65537
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alternateRSA_D = int(
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'7e3f6d7cb839ef66ae5d7dd92ff5410bb341dc14728d39034570e1a37079'
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'0f30f0681355fff41e2ad4e9a9d9fcebfbd127bdfab8c00affb1f3cea732'
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'7ead47aa1621f2ac1ee14ca02f04b3b2786017980b181a449d03b03e69d1'
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'12b83571e55434f012056575d2832ed6731dce799e37c83f6d51c55ab71e'
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'b58015af05e1af15c747603ef7f27d03a6ff049d96bbf854c1e4e50ef5b0'
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'58d0fb08180e0ac7f7be8f2ff1673d97fc9e55dba838077bbf8a7cff2962'
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'857785269cd9d5bad2b57469e4afcd33c4ca2d2f699f11e7c8fbdcd484f0'
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'8d8efb8a3cb8a972eb24bed972efaae4bb712093e48fe94a46eb629a8750'
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'78c4021a9a2c93c9a70390e9d0a54401', 16)
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alternateRSA_P = int(
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'00e63fc725a6ba76925a7ff8cb59c4f56dd7ec83fe85bf1f53e11cac9a81'
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'258bcfc0ae819077b0f2d1477aaf868de6a8ecbeaf7bb22b196f2a9ad82d'
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'3286f0d0cc29de719e5f2be8e509b7284d5963edd362f927887a4c4a8979'
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'9d340d51b301ac7601ab27179024fcaadd38bf6522af63eb16461ec02a7f'
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'27b06fe09ddda7c0a1', 16)
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alternateRSA_Q = int(
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'00d718b1fe9f8f99f00e832ae1fbdc6fe2ab27f34e049c498010fa0eb708'
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'4852182346083b5c96c3eee5592c014a410c6b930b165c13b5c26aa32eac'
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'6e7c925a8551c25134f2f4a72c6421f19a73148a0edfaba5d3a6888b35cb'
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'a18c00fd38ee5aaf0b545731d720761bbccdee744a52ca415e98e4de01cd'
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'fe764c1967b3e8cadb', 16)
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alternateRSA_exp1 = int(
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'01e5aca266c94a88d22e13c2b92ea247116c657a076817bdfd30db4b3a9d'
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'3095b9a4b6749647e2f84e7a784fc7838b08c85971cf7a036fa30e3b91c3'
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'c4d0df278f80c1b6e859d8456adb137defaa9f1f0ac5bac9a9184fd4ea27'
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'9d722ea626f160d78aad7bc83845ccb29df115c83f61b7622b99bd439c60'
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'9b5790a63c595181', 16)
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alternateRSA_exp2 = int(
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'0080cc45d10d2484ee0d1297fc07bf80b3beff461ea27e1f38f371789c3a'
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'f66b4a0edd2192c227791db4f1c77ae246bf342f31856b0f56581b58a95b'
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'1131c0c5396db2a8c3c6f39ea2e336bc205ae6a2a0b36869fca98cbba733'
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'cf01319a6f9bb26b7ca23d3017fc551cd8da8afdd17f6fa2e30d34868798'
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'1cd6234d571e90b7df', 16)
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alternateRSA_coef = int(
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'6f77c0c1f2ae7ac169561cca499c52bdfbe04cddccdbdc12aec5a85691e8'
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'594b7ee29908f30e7b96aa6254b80ed4aeec9b993782bdfc79b69d8d58c6'
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'8870fa4be1bc0c3527288c5c82bb4aebaf15edff110403fc78e6ace6a828'
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'27bf42f0cfa751e507651c5638db9393dd23dd1f6b295151de44b77fe55a'
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'7b0df271e19a65c0', 16)
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evRSA_N = int(
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'00b549895c9d00108d11a1f99f87a9e3d1a5db5dfaecf188da57bf641368'
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'8f2ce4722cff109038c17402c93a2a473dbd286aed3fdcd363cf5a291477'
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'01bdd818d7615bf9356bd5d3c8336aaa8c0971368a06c3cd4461b93e5142'
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'4e1744bb2eaad46aab38ce196821961f87714a1663693f09761cdf4d6ba1'
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'25eacec7be270d388f789f6cdf78ae3144ed28c45e79293863a7a22a4898'
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'0a36a40e72d579c9b925dff8c793362ffd6897a7c1754c5e97c967c3eadd'
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'1aae8aa2ccce348a0169b80e28a2d70c1a960c6f335f2da09b9b643f5abf'
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'ba49e8aaa981e960e27d87480bdd55dd9417fa18509fbb554ccf81a4397e'
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'8ba8128a34bdf27865c189e5734fb22905', 16)
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evRSA_E = 65537
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evRSA_D = int(
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'00983d54f94d6f4c76eb23d6f93d78523530cf73b0d16254c6e781768d45'
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'f55681d1d02fb2bd2aac6abc1c389860935c52a0d8f41482010394778314'
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'1d864bff30803638a5c0152570ae9d18f3d8ca163efb475b0dddf32e7e16'
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'ec7565e6bb5e025c41c5c66e57a03cede554221f83045347a2c4c451c3dc'
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'e476b787ce0c057244be9e04ef13118dbbb3d5e0a6cc87029eafd4a69ed9'
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'b14759b15e39d8a9884e56f54d2f9ab013f0d15f318a9ab6b2f73d1ec3c9'
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'fe274ae89431a10640be7899b0011c5e5093a1834708689de100634dabde'
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'60fbd6aaefa3a33df34a1f36f60c043036b748d1c9ee98c4031a0afec60e'
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'fda0a990be524f5614eac4fdb34a52f951', 16)
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evRSA_P = int(
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'00eadc2cb33e5ff1ca376bbd95bd6a1777d2cf4fac47545e92d11a6209b9'
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'd5e4ded47834581c169b3c884742a09ea187505c1ca55414d8d25b497632'
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'd5ec2aaa05233430fad49892777a7d68e038f561a3b8969e60b0a263defb'
|
|
'fda48a9b0ff39d95bc88b15267c8ade97b5107948e41e433249d87f7db10'
|
|
'9d5d74584d86bcc1d7', 16)
|
|
evRSA_Q = int(
|
|
'00c59ae576a216470248d944a55b9e9bf93299da341ec56e558eba821abc'
|
|
'e1bf57b79cf411d2904c774f9dba1f15185f607b0574a08205d6ec28b66a'
|
|
'36d634232eaaf2fea37561abaf9d644b68db38c9964cb8c96ec0ac61eba6'
|
|
'4d05b446542f423976f5acde4ecc95536d2df578954f93f0cfd9c58fb78b'
|
|
'a2a76dd5ac284dc883', 16)
|
|
evRSA_exp1 = int(
|
|
'00c1d2ef3906331c52aca64811f9fe425beb2898322fb3db51032ce8d7e9'
|
|
'fc32240be92019cf2480fcd5e329837127118b2a59a1bfe06c883e3a4447'
|
|
'f3f031cd9aebd0b8d368fc79740d2cce8eadb324df7f091eafe1564361d5'
|
|
'4920b01b0471230e5e47d93f8ed33963c517bc4fc78f6d8b1f9eba85bcce'
|
|
'db7033026508db6285', 16)
|
|
evRSA_exp2 = int(
|
|
'008521b8db5694dfbe804a315f9efc9b65275c5490acf2a3456d65e6e610'
|
|
'bf9f647fc67501d4f5772f232ac70ccdef9fc2a6dfa415c7c41b6afc7af9'
|
|
'd07c3ca03f7ed93c09f0b99f2c304434322f1071709bbc1baa4c91575fa6'
|
|
'a959e07d4996956d95e22b57938b6e47c8d51ffedfc9bf888ce0d1a3e42b'
|
|
'65a89bed4b91d3e5f5', 16)
|
|
evRSA_coef = int(
|
|
'00dc497b06b920c8be0b0077b798e977eef744a90ec2c5d7e6cbb22448fa'
|
|
'c72da81a33180e0d8a02e831460c7fc7fd3a612f7b9930b61b799f8e908e'
|
|
'632e9ba0409b6aa70b03a3ba787426263b5bd5843df8476edb5d14f6a861'
|
|
'3ebaf5b9cd5ca42f5fbd2802e08e4e49e5709f5151510caa5ab2c1c6eb3e'
|
|
'fe9295d16e8c25c916', 16)
|
|
|
|
evRSA2040_N = int(
|
|
'00ca7020dc215f57914d343fae4a015111697af997a5ece91866499fc23f'
|
|
'1b88a118cbd30b10d91c7b9a0d4ee8972fcae56caf57f25fc1275a2a4dbc'
|
|
'b982428c32ef587bf2387410330a0ffb16b8029bd783969ef675f6de38c1'
|
|
'8f67193cb6c072f8b23d0b3374112627a57b90055771d9e62603f53788d7'
|
|
'f63afa724f5d108096df31f89f26b1eb5f7c4357980e008fcd55d827dd26'
|
|
'2395ca2f526a07897cc40c593b38716ebc0caa596719c6f29ac9b73a7a94'
|
|
'4748a3aa3e09e9eb4d461ea0027e540926614728b9d243975cf9a0541bef'
|
|
'd25e76b51f951110b0e7644fc7e38441791b6d2227384cb8004e23342372'
|
|
'b1cf5cc3e73e31b7bbefa160e6862ebb', 16)
|
|
evRSA2040_E = 65537
|
|
evRSA2040_D = int(
|
|
'00b2db74bce92362abf72955a638ae8720ba3033bb7f971caf39188d7542'
|
|
'eaa1c1abb5d205b1e2111f4791c08911a2e141e8cfd7054702d23100b564'
|
|
'2c06e1a31b118afd1f9a2f396cced425c501d91435ca8656766ced2b93bb'
|
|
'b8669fce9bacd727d1dacb3dafabc3293e35389eef8ea0b58e1aeb1a20e6'
|
|
'a61f9fcd453f7567fe31d123b616a26fef4df1d6c9f7490111d028eefd1d'
|
|
'972045b1a242273dd7a67ebf111db2741a5a93c7b2289cc4a236f5a99a6e'
|
|
'c7a8206fdae1c1d04bdbb1980d4a298c5a17dae4186474a5f7835d882bce'
|
|
'f24aef4ed6f149f94d96c9f7d78e647fc778a9017ff208d3b4a1768b1821'
|
|
'62102cdab032fabbab38d5200a324649', 16)
|
|
evRSA2040_P = int(
|
|
'0f3844d0d4d4d6a21acd76a6fc370b8550e1d7ec5a6234172e790f0029ae'
|
|
'651f6d5c59330ab19802b9d7a207de7a1fb778e3774fdbdc411750633d8d'
|
|
'1b3fe075006ffcfd1d10e763c7a9227d2d5f0c2dade1c9e659c350a159d3'
|
|
'6bb986f12636d4f9942b288bc0fe21da8799477173144249ca2e389e6c5c'
|
|
'25aa78c8cad7d4df', 16)
|
|
evRSA2040_Q = int(
|
|
'0d4d0bedd1962f07a1ead6b23a4ed67aeaf1270f052a6d29ba074945c636'
|
|
'1a5c4f8f07bf859e067aed3f4e6e323ef2aa8a6acd340b0bdc7cfe4fd329'
|
|
'e3c97f870c7f7735792c6aa9d0f7e7542a28ed6f01b0e55a2b8d9c24a65c'
|
|
'6da314c95484f5c7c3954a81bb016b07ed17ee9b06039695bca059a79f8d'
|
|
'c2423d328d5265a5', 16)
|
|
evRSA2040_exp1 = int(
|
|
'09f29a2ff05be8a96d614ba31b08935420a86c6bc42b99a6692ea0da5763'
|
|
'f01e596959b7ddce73ef9c2e4f6e5b40710887500d44ba0c3cd3132cba27'
|
|
'475f39c2df7552e2d123a2497a4f97064028769a48a3624657f72bf539f3'
|
|
'd0de234feccd3be8a0aa90c6bf6e9b0bed43070a24d061ff3ed1751a3ef2'
|
|
'ff7f6b90b9dbd5fb', 16)
|
|
evRSA2040_exp2 = int(
|
|
'01a659e170cac120a03be1cf8f9df1caa353b03593bd7476e5853bd874c2'
|
|
'87388601c6c341ce9d1d284a5eef1a3a669d32b816a5eaecd8b7844fe070'
|
|
'64b9bca0c2b318d540277b3f7f1510d386bb36e03b04771e5d229e88893e'
|
|
'13b753bfb94518bb638e2404bd6e6a993c1668d93fc0b82ff08aaf34347d'
|
|
'3fe8397108c87ca5', 16)
|
|
evRSA2040_coef = int(
|
|
'040257c0d4a21c0b9843297c65652db66304fb263773d728b6abfa06d37a'
|
|
'c0ca62c628023e09e37dc0a901e4ce1224180e2582a3aa4b6a1a7b98e2bd'
|
|
'70077aec14ac8ab66a755c71e0fc102471f9bbc1b46a95aa0b645f2c38e7'
|
|
'6450289619ea3f5e8ae61037bffcf8249f22aa4e76e2a01909f3feb290ce'
|
|
'93edf57b10ebe796', 16)
|
|
|
|
rsa2040_N = int(
|
|
'00bac0652fdfbc0055882ffbaeaceec88fa2d083c297dd5d40664dd3d90f'
|
|
'52f9aa02bd8a50fba16e0fd991878ef475f9b350d9f8e3eb2abd717ce327'
|
|
'b09788531f13df8e3e4e3b9d616bb8a41e5306eed2472163161051180127'
|
|
'6a4eb66f07331b5cbc8bcae7016a8f9b3d4f2ac4553c624cf5263bcb348e'
|
|
'8840de6612870960a792191b138fb217f765cec7bff8e94f16b39419bf75'
|
|
'04c59a7e4f79bd6d173e9c7bf3d9d2a4e73cc180b0590a73d584fb7fc9b5'
|
|
'4fa544607e53fc685c7a55fd44a81d4142b6af51ea6fa6cea52965a2e8c5'
|
|
'd84f3ca024d6fbb9b005b9651ce5d9f2ecf40ed404981a9ffc02636e311b'
|
|
'095c6332a0c87dc39271b5551481774b', 16)
|
|
rsa2040_E = 65537
|
|
rsa2040_D = int(
|
|
'603db267df97555cbed86b8df355034af28f1eb7f3e7829d239bcc273a7c'
|
|
'7a69a10be8f21f1b6c4b02c6bae3731c3158b5bbff4605f57ab7b7b2a0cb'
|
|
'a2ec005a2db5b1ea6e0aceea5bc745dcd2d0e9d6b80d7eb0ea2bc08127bc'
|
|
'e35fa50c42cc411871ba591e23ba6a38484a33eff1347f907ee9a5a92a23'
|
|
'11bb0b435510020f78e3bb00099db4d1182928096505fcba84f3ca1238fd'
|
|
'1eba5eea1f391bbbcc5424b168063fc17e1ca6e1912ccba44f9d0292308a'
|
|
'1fedb80612529b39f59d0a3f8180b5ba201132197f93a5815ded938df8e7'
|
|
'd93c9b15766588f339bb59100afda494a7e452d7dd4c9a19ce2ec3a33a18'
|
|
'b20f0b4dade172bee19f26f0dcbe41', 16)
|
|
rsa2040_P = int(
|
|
'0ec3869cb92d406caddf7a319ab29448bc505a05913707873361fc5b986a'
|
|
'499fb65eeb815a7e37687d19f128087289d9bb8818e7bcca502c4900ad9a'
|
|
'ece1179be12ff3e467d606fc820ea8f07ac9ebffe2236e38168412028822'
|
|
'3e42dbe68dfd972a85a6447e51695f234da7911c67c9ab9531f33df3b994'
|
|
'32d4ee88c9a4efbb', 16)
|
|
rsa2040_Q = int(
|
|
'0ca63934549e85feac8e0f5604303fd1849fe88af4b7f7e1213283bbc7a2'
|
|
'c2a509f9273c428c68de3db93e6145f1b400bd6d4a262614e9043ad362d4'
|
|
'eba4a6b995399c8934a399912199e841d8e8dbff0489f69e663796730b29'
|
|
'80530b31cb70695a21625ea2adccc09d930516fa872211a91e22dd89fd9e'
|
|
'b7da8574b72235b1', 16)
|
|
rsa2040_exp1 = int(
|
|
'0d7d3a75e17f65f8a658a485c4095c10a4f66979e2b73bca9cf8ef21253e'
|
|
'1facac6d4791f58392ce8656f88f1240cc90c29653e3100c6d7a38ed44b1'
|
|
'63b339e5f3b6e38912126c69b3ceff2e5192426d9649b6ffca1abb75d2ba'
|
|
'2ed6d9a26aa383c5973d56216ff2edb90ccf887742a0f183ac92c94cf187'
|
|
'657645c7772d9ad7', 16)
|
|
rsa2040_exp2 = int(
|
|
'03f550194c117f24bea285b209058032f42985ff55acebe88b16df9a3752'
|
|
'7b4e61dc91a68dbc9a645134528ce5f248bda2893c96cb7be79ee73996c7'
|
|
'c22577f6c2f790406f3472adb3b211b7e94494f32c5c6fcc0978839fe472'
|
|
'4c31b06318a2489567b4fca0337acb1b841227aaa5f6c74800a2306929f0'
|
|
'2ce038bad943df41', 16)
|
|
rsa2040_coef = int(
|
|
'080a7dbfa8c2584814c71664c56eb62ce4caf16afe88d4499159d674774a'
|
|
'3a3ecddf1256c02fc91525c527692422d0aba94e5c41ee12dc71bb66f867'
|
|
'9fa17e096f28080851ba046eb31885c1414e8985ade599d907af17453d1c'
|
|
'caea2c0d06443f8367a6be154b125e390ee0d90f746f08801dd3f5367f59'
|
|
'fba2e5a67c05f375', 16)
|
|
|
|
rsa1024_N = int(
|
|
'00d3a97440101eba8c5df9503e6f935eb52ffeb3ebe9d0dc5cace26f973c'
|
|
'a94cbc0d9c31d66c0c013bce9c82d0d480328df05fb6bcd7990a5312ddae'
|
|
'6152ad6ee61c8c1bdd8663c68bd36224a9882ae78e89f556dfdbe6f51da6'
|
|
'112cbfc27c8a49336b41afdb75321b52b24a7344d1348e646351a551c757'
|
|
'1ccda0b8fe35f61a75', 16)
|
|
rsa1024_E = 65537
|
|
rsa1024_D = int(
|
|
'5b6708e185548fc07ff062dba3792363e106ff9177d60ee3227162391024'
|
|
'1813f958a318f26db8b6a801646863ebbc69190d6c2f5e7723433e99666d'
|
|
'76b3987892cd568f1f18451e8dc05477c0607ee348380ebb7f4c98d0c036'
|
|
'a0260bc67b2dab46cbaa4ce87636d839d8fddcbae2da3e02e8009a21225d'
|
|
'd7e47aff2f82699d', 16)
|
|
rsa1024_P = int(
|
|
'00fcdee570323e8fc399dbfc63d8c1569546fb3cd6886c628668ab1e1d0f'
|
|
'ca71058febdf76d702970ad6579d80ac2f9521075e40ef8f3f39983bd819'
|
|
'07e898bad3', 16)
|
|
rsa1024_Q = int(
|
|
'00d64801c955b4eb75fbae230faa8b28c9cc5e258be63747ff5ac8d2af25'
|
|
'3e9f6d6ce03ea2eb13ae0eb32572feb848c32ca00743635374338fedacd8'
|
|
'c5885f7897', 16)
|
|
rsa1024_exp1 = int(
|
|
'76c0526d5b1b28368a75d5d42a01b9a086e20b9310241e2cd2d0b166a278'
|
|
'c694ff1e9d25d9193d47789b52bb0fa194de1af0b77c09007f12afdfeef9'
|
|
'58d108c3', 16)
|
|
rsa1024_exp2 = int(
|
|
'008a41898d8b14217c4d782cbd15ef95d0a660f45ed09a4884f4e170367b'
|
|
'946d2f20398b907896890e88fe17b54bd7febe133ebc7720c86fe0649cca'
|
|
'7ca121e05f', 16)
|
|
rsa1024_coef = int(
|
|
'22db133445f7442ea2a0f582031ee214ff5f661972986f172651d8d6b4ec'
|
|
'3163e99bff1c82fe58ec3d075c6d8f26f277020edb77c3ba821b9ba3ae18'
|
|
'ff8cb2cb', 16)
|
|
|
|
rsa1016_N = int(
|
|
'00d29bb12fb84fddcd29b3a519cb66c43b8d8f8be545ba79384ce663ed03'
|
|
'df75991600eb920790d2530cece544db99a71f05896a3ed207165534aa99'
|
|
'057e47c47e3bc81ada6fa1e12e37268b5046a55268f9dad7ccb485d81a2e'
|
|
'19d50d4f0b6854acaf6d7be69d9a083136e15afa8f53c1c8c84fc6077279'
|
|
'dd0e55d7369a5bdd', 16)
|
|
rsa1016_E = 65537
|
|
rsa1016_D = int(
|
|
'3c4965070bf390c251d5a2c5277c5b5fd0bdee85cad7fe2b27982bb28511'
|
|
'4a507004036ae1cf8ae54b25e4db39215abd7e903f618c2d8b2f08cc6cd1'
|
|
'2dbccd72205e4945b6b3df389e5e43de0a148bb2c84e2431fdbe5920b044'
|
|
'bb272f45ecff0721b7dfb60397fc613a9ea35c22300530cae8f9159c534d'
|
|
'f3bf0910951901', 16)
|
|
rsa1016_P = int(
|
|
'0f9f17597c85b8051b9c69afb55ef576c996dbd09047d0ccde5b9d60ea5c'
|
|
'67fe4fac67be803f4b6ac5a3f050f76b966fb14f5cf105761e5ade6dd960'
|
|
'b183ba55', 16)
|
|
rsa1016_Q = int(
|
|
'0d7b637112ce61a55168c0f9c9386fb279ab40cba0d549336bba65277263'
|
|
'aac782611a2c81d9b635cf78c40018859e018c5e9006d12e3d2ee6f346e7'
|
|
'9fa43369', 16)
|
|
rsa1016_exp1 = int(
|
|
'09fd6c9a3ea6e91ae32070f9fc1c210ff9352f97be5d1eeb951bb39681e9'
|
|
'dc5b672a532221b3d8900c9a9d99b9d0a4e102dc450ca1b87b0b1389de65'
|
|
'16c0ae0d', 16)
|
|
rsa1016_exp2 = int(
|
|
'0141b832491b7dd4a83308920024c79cae64bd447df883bb4c5672a96bab'
|
|
'48b7123b34f26324452cdceb17f21e570e347cbe2fd4c2d8f9910eac2cb6'
|
|
'd895b8c9', 16)
|
|
rsa1016_coef = int(
|
|
'0458dd6aee18c88b2f9b81f1bc3075ae20dc1f9973d20724f20b06043d61'
|
|
'47c8789d4a07ae88bc82c8438c893e017b13947f62e0b18958a31eb664b1'
|
|
'9e64d3e0', 16)
|
|
|
|
def __init__(self, specification):
|
|
if specification == 'default':
|
|
self.RSA_N = self.sharedRSA_N
|
|
self.RSA_E = self.sharedRSA_E
|
|
self.RSA_D = self.sharedRSA_D
|
|
self.RSA_P = self.sharedRSA_P
|
|
self.RSA_Q = self.sharedRSA_Q
|
|
self.RSA_exp1 = self.sharedRSA_exp1
|
|
self.RSA_exp2 = self.sharedRSA_exp2
|
|
self.RSA_coef = self.sharedRSA_coef
|
|
elif specification == 'alternate':
|
|
self.RSA_N = self.alternateRSA_N
|
|
self.RSA_E = self.alternateRSA_E
|
|
self.RSA_D = self.alternateRSA_D
|
|
self.RSA_P = self.alternateRSA_P
|
|
self.RSA_Q = self.alternateRSA_Q
|
|
self.RSA_exp1 = self.alternateRSA_exp1
|
|
self.RSA_exp2 = self.alternateRSA_exp2
|
|
self.RSA_coef = self.alternateRSA_coef
|
|
elif specification == 'ev':
|
|
self.RSA_N = self.evRSA_N
|
|
self.RSA_E = self.evRSA_E
|
|
self.RSA_D = self.evRSA_D
|
|
self.RSA_P = self.evRSA_P
|
|
self.RSA_Q = self.evRSA_Q
|
|
self.RSA_exp1 = self.evRSA_exp1
|
|
self.RSA_exp2 = self.evRSA_exp2
|
|
self.RSA_coef = self.evRSA_coef
|
|
elif specification == 'evRSA2040':
|
|
self.RSA_N = self.evRSA2040_N
|
|
self.RSA_E = self.evRSA2040_E
|
|
self.RSA_D = self.evRSA2040_D
|
|
self.RSA_P = self.evRSA2040_P
|
|
self.RSA_Q = self.evRSA2040_Q
|
|
self.RSA_exp1 = self.evRSA2040_exp1
|
|
self.RSA_exp2 = self.evRSA2040_exp2
|
|
self.RSA_coef = self.evRSA2040_coef
|
|
elif specification == 'rsa2040':
|
|
self.RSA_N = self.rsa2040_N
|
|
self.RSA_E = self.rsa2040_E
|
|
self.RSA_D = self.rsa2040_D
|
|
self.RSA_P = self.rsa2040_P
|
|
self.RSA_Q = self.rsa2040_Q
|
|
self.RSA_exp1 = self.rsa2040_exp1
|
|
self.RSA_exp2 = self.rsa2040_exp2
|
|
self.RSA_coef = self.rsa2040_coef
|
|
elif specification == 'rsa1024':
|
|
self.RSA_N = self.rsa1024_N
|
|
self.RSA_E = self.rsa1024_E
|
|
self.RSA_D = self.rsa1024_D
|
|
self.RSA_P = self.rsa1024_P
|
|
self.RSA_Q = self.rsa1024_Q
|
|
self.RSA_exp1 = self.rsa1024_exp1
|
|
self.RSA_exp2 = self.rsa1024_exp2
|
|
self.RSA_coef = self.rsa1024_coef
|
|
elif specification == 'rsa1016':
|
|
self.RSA_N = self.rsa1016_N
|
|
self.RSA_E = self.rsa1016_E
|
|
self.RSA_D = self.rsa1016_D
|
|
self.RSA_P = self.rsa1016_P
|
|
self.RSA_Q = self.rsa1016_Q
|
|
self.RSA_exp1 = self.rsa1016_exp1
|
|
self.RSA_exp2 = self.rsa1016_exp2
|
|
self.RSA_coef = self.rsa1016_coef
|
|
else:
|
|
raise UnknownKeySpecificationError(specification)
|
|
|
|
def toDER(self):
|
|
privateKeyInfo = PrivateKeyInfo()
|
|
privateKeyInfo['version'] = 0
|
|
algorithmIdentifier = rfc2459.AlgorithmIdentifier()
|
|
algorithmIdentifier['algorithm'] = rfc2459.rsaEncryption
|
|
# Directly setting parameters to univ.Null doesn't currently work.
|
|
nullEncapsulated = encoder.encode(univ.Null())
|
|
algorithmIdentifier['parameters'] = univ.Any(nullEncapsulated)
|
|
privateKeyInfo['privateKeyAlgorithm'] = algorithmIdentifier
|
|
rsaPrivateKey = RSAPrivateKey()
|
|
rsaPrivateKey['version'] = 0
|
|
rsaPrivateKey['modulus'] = self.RSA_N
|
|
rsaPrivateKey['publicExponent'] = self.RSA_E
|
|
rsaPrivateKey['privateExponent'] = self.RSA_D
|
|
rsaPrivateKey['prime1'] = self.RSA_P
|
|
rsaPrivateKey['prime2'] = self.RSA_Q
|
|
rsaPrivateKey['exponent1'] = self.RSA_exp1
|
|
rsaPrivateKey['exponent2'] = self.RSA_exp2
|
|
rsaPrivateKey['coefficient'] = self.RSA_coef
|
|
rsaPrivateKeyEncoded = encoder.encode(rsaPrivateKey)
|
|
privateKeyInfo['privateKey'] = univ.OctetString(rsaPrivateKeyEncoded)
|
|
return encoder.encode(privateKeyInfo)
|
|
|
|
def toPEM(self):
|
|
output = '-----BEGIN PRIVATE KEY-----'
|
|
der = self.toDER()
|
|
b64 = six.ensure_text(base64.b64encode(der))
|
|
while b64:
|
|
output += '\n' + b64[:64]
|
|
b64 = b64[64:]
|
|
output += '\n-----END PRIVATE KEY-----'
|
|
return output
|
|
|
|
def asSubjectPublicKeyInfo(self):
|
|
"""Returns a subject public key info representing
|
|
this key for use by pyasn1."""
|
|
algorithmIdentifier = rfc2459.AlgorithmIdentifier()
|
|
algorithmIdentifier['algorithm'] = rfc2459.rsaEncryption
|
|
# Directly setting parameters to univ.Null doesn't currently work.
|
|
nullEncapsulated = encoder.encode(univ.Null())
|
|
algorithmIdentifier['parameters'] = univ.Any(nullEncapsulated)
|
|
spki = rfc2459.SubjectPublicKeyInfo()
|
|
spki['algorithm'] = algorithmIdentifier
|
|
rsaKey = RSAPublicKey()
|
|
rsaKey['N'] = univ.Integer(self.RSA_N)
|
|
rsaKey['E'] = univ.Integer(self.RSA_E)
|
|
subjectPublicKey = univ.BitString(byteStringToHexifiedBitString(encoder.encode(rsaKey)))
|
|
spki['subjectPublicKey'] = subjectPublicKey
|
|
return spki
|
|
|
|
def sign(self, data, hashAlgorithm):
|
|
"""Returns a hexified bit string representing a
|
|
signature by this key over the specified data.
|
|
Intended for use with pyasn1.type.univ.BitString"""
|
|
hashAlgorithmName = None
|
|
if hashAlgorithm == HASH_MD5:
|
|
hashAlgorithmName = "MD5"
|
|
elif hashAlgorithm == HASH_SHA1:
|
|
hashAlgorithmName = "SHA-1"
|
|
elif hashAlgorithm == HASH_SHA256:
|
|
hashAlgorithmName = "SHA-256"
|
|
elif hashAlgorithm == HASH_SHA384:
|
|
hashAlgorithmName = "SHA-384"
|
|
elif hashAlgorithm == HASH_SHA512:
|
|
hashAlgorithmName = "SHA-512"
|
|
else:
|
|
raise UnknownHashAlgorithmError(hashAlgorithm)
|
|
rsaPrivateKey = rsa.PrivateKey(self.RSA_N, self.RSA_E, self.RSA_D, self.RSA_P, self.RSA_Q)
|
|
signature = rsa.sign(data, rsaPrivateKey, hashAlgorithmName)
|
|
return byteStringToHexifiedBitString(signature)
|
|
|
|
|
|
ecPublicKey = univ.ObjectIdentifier('1.2.840.10045.2.1')
|
|
secp256k1 = univ.ObjectIdentifier('1.3.132.0.10')
|
|
secp224r1 = univ.ObjectIdentifier('1.3.132.0.33')
|
|
secp256r1 = univ.ObjectIdentifier('1.2.840.10045.3.1.7')
|
|
secp384r1 = univ.ObjectIdentifier('1.3.132.0.34')
|
|
secp521r1 = univ.ObjectIdentifier('1.3.132.0.35')
|
|
|
|
|
|
def longToEvenLengthHexString(val):
|
|
h = format(val, 'x')
|
|
if not len(h) % 2 == 0:
|
|
h = '0' + h
|
|
return h
|
|
|
|
|
|
class ECCKey(object):
|
|
secp256k1KeyPair = (
|
|
'35ee7c7289d8fef7a86afe5da66d8bc2ebb6a8543fd2fead089f45ce7acd0fa6' +
|
|
'4382a9500c41dad770ffd4b511bf4b492eb1238800c32c4f76c73a3f3294e7c5',
|
|
'67cebc208a5fa3df16ec2bb34acc59a42ab4abb0538575ca99b92b6a2149a04f')
|
|
|
|
secp224r1KeyPair = (
|
|
'668d72cca6fd6a1b3557b5366104d84408ecb637f08e8c86bbff82cc' +
|
|
'00e88f0066d7af63c3298ba377348a1202b03b37fd6b1ff415aa311e',
|
|
'04389459926c3296c242b83e10a6cd2011c8fe2dae1b772ea5b21067')
|
|
|
|
secp256r1KeyPair = (
|
|
'4fbfbbbb61e0f8f9b1a60a59ac8704e2ec050b423e3cf72e923f2c4f794b455c' +
|
|
'2a69d233456c36c4119d0706e00eedc8d19390d7991b7b2d07a304eaa04aa6c0',
|
|
'2191403d5710bf15a265818cd42ed6fedf09add92d78b18e7a1e9feb95524702')
|
|
|
|
secp384r1KeyPair = (
|
|
'a1687243362b5c7b1889f379154615a1c73fb48dee863e022915db608e252de4b71' +
|
|
'32da8ce98e831534e6a9c0c0b09c8d639ade83206e5ba813473a11fa330e05da8c9' +
|
|
'6e4383fe27873da97103be2888cff002f05af71a1fddcc8374aa6ea9ce',
|
|
'035c7a1b10d9fafe837b64ad92f22f5ced0789186538669b5c6d872cec3d926122b' +
|
|
'393772b57602ff31365efe1393246')
|
|
|
|
secp521r1KeyPair = (
|
|
'014cdc9cacc47941096bc9cc66752ec27f597734fa66c62b792f88c519d6d37f0d1' +
|
|
'6ea1c483a1827a010b9128e3a08070ca33ef5f57835b7c1ba251f6cc3521dc42b01' +
|
|
'0653451981b445d343eed3782a35d6cff0ff484f5a883d209f1b9042b726703568b' +
|
|
'2f326e18b833bdd8aa0734392bcd19501e10d698a79f53e11e0a22bdd2aad90',
|
|
'014f3284fa698dd9fe1118dd331851cdfaac5a3829278eb8994839de9471c940b85' +
|
|
'8c69d2d05e8c01788a7d0b6e235aa5e783fc1bee807dcc3865f920e12cf8f2d29')
|
|
|
|
def __init__(self, specification):
|
|
if specification == 'secp256k1':
|
|
key_pair = self.secp256k1KeyPair
|
|
self.keyOID = secp256k1
|
|
self.curve = ecdsa.SECP256k1
|
|
elif specification == 'secp224r1':
|
|
key_pair = self.secp224r1KeyPair
|
|
self.keyOID = secp224r1
|
|
self.curve = ecdsa.NIST224p
|
|
elif specification == 'secp256r1':
|
|
key_pair = self.secp256r1KeyPair
|
|
self.keyOID = secp256r1
|
|
self.curve = ecdsa.NIST256p
|
|
elif specification == 'secp384r1':
|
|
key_pair = self.secp384r1KeyPair
|
|
self.keyOID = secp384r1
|
|
self.curve = ecdsa.NIST384p
|
|
elif specification == 'secp521r1':
|
|
key_pair = self.secp521r1KeyPair
|
|
self.keyOID = secp521r1
|
|
self.curve = ecdsa.NIST521p
|
|
else:
|
|
raise UnknownKeySpecificationError(specification)
|
|
|
|
self.public_key, self.private_key = (binascii.unhexlify(key_pair[0]),
|
|
binascii.unhexlify(key_pair[1]))
|
|
self.key = ecdsa.SigningKey.from_string(self.private_key, curve=self.curve)
|
|
|
|
def getPublicKeyHexifiedString(self):
|
|
"""Returns the EC public key as a hex string using the uncompressed
|
|
point representation. This is intended to be used in the encoder
|
|
functions, as it surrounds the value with ''H to indicate its type."""
|
|
p1, p2 = (self.public_key[:len(self.public_key)//2],
|
|
self.public_key[len(self.public_key)//2:])
|
|
# We don't want leading zeroes.
|
|
p1, p2 = (p1.lstrip(b'\0'), p2.lstrip(b'\0'))
|
|
# '04' indicates that the points are in uncompressed form.
|
|
return byteStringToHexifiedBitString(b'\04' + p1 + p2)
|
|
|
|
def toPEM(self):
|
|
"""Return the EC private key in PEM-encoded form."""
|
|
output = '-----BEGIN EC PRIVATE KEY-----'
|
|
der = self.toDER()
|
|
b64 = six.ensure_text(base64.b64encode(der))
|
|
while b64:
|
|
output += '\n' + b64[:64]
|
|
b64 = b64[64:]
|
|
output += '\n-----END EC PRIVATE KEY-----'
|
|
return output
|
|
|
|
def toDER(self):
|
|
"""Return the EC private key in DER-encoded form, encoded per SEC 1
|
|
section C.4 format."""
|
|
privateKeyInfo = PrivateKeyInfo()
|
|
privateKeyInfo['version'] = 0
|
|
algorithmIdentifier = rfc2459.AlgorithmIdentifier()
|
|
algorithmIdentifier['algorithm'] = ecPublicKey
|
|
algorithmIdentifier['parameters'] = self.keyOID
|
|
privateKeyInfo['privateKeyAlgorithm'] = algorithmIdentifier
|
|
ecPrivateKey = ECPrivateKey()
|
|
ecPrivateKey['version'] = 1
|
|
ecPrivateKey['privateKey'] = self.private_key
|
|
ecPrivateKey['publicKey'] = univ.BitString(
|
|
self.getPublicKeyHexifiedString()).subtype(
|
|
explicitTag=tag.Tag(tag.tagClassContext,
|
|
tag.tagFormatSimple, 1))
|
|
ecPrivateKeyEncoded = encoder.encode(ecPrivateKey)
|
|
privateKeyInfo['privateKey'] = univ.OctetString(ecPrivateKeyEncoded)
|
|
return encoder.encode(privateKeyInfo)
|
|
|
|
def asSubjectPublicKeyInfo(self):
|
|
"""Returns a subject public key info representing
|
|
this key for use by pyasn1."""
|
|
algorithmIdentifier = rfc2459.AlgorithmIdentifier()
|
|
algorithmIdentifier['algorithm'] = ecPublicKey
|
|
algorithmIdentifier['parameters'] = self.keyOID
|
|
spki = rfc2459.SubjectPublicKeyInfo()
|
|
spki['algorithm'] = algorithmIdentifier
|
|
spki['subjectPublicKey'] = univ.BitString(self.getPublicKeyHexifiedString())
|
|
return spki
|
|
|
|
def signRaw(self, data, hashAlgorithm):
|
|
"""Performs the ECDSA signature algorithm over the given data.
|
|
The returned value is a string representing the bytes of the
|
|
resulting point when encoded by left-padding each of (r, s) to
|
|
the key size and concatenating them.
|
|
"""
|
|
assert hashAlgorithm.startswith('hash:')
|
|
hashAlgorithm = hashAlgorithm[len('hash:'):]
|
|
k = _gen_k(self.curve)
|
|
digest = hashlib.new(hashAlgorithm, six.ensure_binary(data)).digest()
|
|
digest = _truncate_digest(digest, self.curve)
|
|
# NOTE: Under normal circumstances it's advisable to use
|
|
# sign_digest_deterministic. In this case we don't want the library's
|
|
# default generation of k, so we call the normal "sign" method and
|
|
# inject it here.
|
|
return self.key.sign_digest(
|
|
digest, sigencode=ecdsa.util.sigencode_string, k=k)
|
|
|
|
def sign(self, data, hashAlgorithm):
|
|
"""Returns a hexified bit string representing a
|
|
signature by this key over the specified data.
|
|
Intended for use with pyasn1.type.univ.BitString"""
|
|
# signRaw returns an encoded point, which is useful in some situations.
|
|
# However, for signatures on X509 certificates, we need to decode it so
|
|
# we can encode it as a BITSTRING consisting of a SEQUENCE of two
|
|
# INTEGERs.
|
|
raw = self.signRaw(data, hashAlgorithm)
|
|
point = ECPoint()
|
|
point['x'] = int.from_bytes(raw[:len(raw) // 2], byteorder='big')
|
|
point['y'] = int.from_bytes(raw[len(raw) // 2:], byteorder='big')
|
|
return byteStringToHexifiedBitString(encoder.encode(point))
|
|
|
|
|
|
def keyFromSpecification(specification):
|
|
"""Pass in a specification, get the appropriate key back."""
|
|
if specification.startswith('secp'):
|
|
return ECCKey(specification)
|
|
return RSAKey(specification)
|
|
|
|
|
|
# The build harness will call this function with an output file-like
|
|
# object and a path to a file containing a specification. This will
|
|
# read the specification and output the key as ASCII-encoded PKCS #8.
|
|
|
|
|
|
def main(output, inputPath):
|
|
with open(inputPath) as configStream:
|
|
output.write(keyFromSpecification(configStream.read().strip()).toPEM() + '\n')
|
|
|
|
|
|
# When run as a standalone program, this will read a specification from
|
|
# stdin and output the certificate as PEM to stdout.
|
|
if __name__ == '__main__':
|
|
print(keyFromSpecification(sys.stdin.read().strip()).toPEM())
|