153 lines
4.1 KiB
Python
153 lines
4.1 KiB
Python
#
|
|
# This file is part of pyasn1-modules software.
|
|
#
|
|
# Created by Russ Housley.
|
|
#
|
|
# Copyright (c) 2019, Vigil Security, LLC
|
|
# License: http://snmplabs.com/pyasn1/license.html
|
|
#
|
|
# PKCS #1: RSA Cryptography Specifications Version 2.2
|
|
#
|
|
# ASN.1 source from:
|
|
# https://www.rfc-editor.org/rfc/rfc8017.txt
|
|
#
|
|
|
|
from pyasn1.type import constraint
|
|
from pyasn1.type import namedtype
|
|
from pyasn1.type import namedval
|
|
from pyasn1.type import univ
|
|
|
|
from pyasn1_modules import rfc2437
|
|
from pyasn1_modules import rfc3447
|
|
from pyasn1_modules import rfc4055
|
|
from pyasn1_modules import rfc5280
|
|
|
|
MAX = float('inf')
|
|
|
|
|
|
# Import Algorithm Identifier from RFC 5280
|
|
|
|
AlgorithmIdentifier = rfc5280.AlgorithmIdentifier
|
|
|
|
class DigestAlgorithm(AlgorithmIdentifier):
|
|
pass
|
|
|
|
class HashAlgorithm(AlgorithmIdentifier):
|
|
pass
|
|
|
|
class MaskGenAlgorithm(AlgorithmIdentifier):
|
|
pass
|
|
|
|
class PSourceAlgorithm(AlgorithmIdentifier):
|
|
pass
|
|
|
|
|
|
# Object identifiers from NIST SHA2
|
|
|
|
hashAlgs = univ.ObjectIdentifier('2.16.840.1.101.3.4.2')
|
|
id_sha256 = rfc4055.id_sha256
|
|
id_sha384 = rfc4055.id_sha384
|
|
id_sha512 = rfc4055.id_sha512
|
|
id_sha224 = rfc4055.id_sha224
|
|
id_sha512_224 = hashAlgs + (5, )
|
|
id_sha512_256 = hashAlgs + (6, )
|
|
|
|
|
|
# Basic object identifiers
|
|
|
|
pkcs_1 = univ.ObjectIdentifier('1.2.840.113549.1.1')
|
|
rsaEncryption = rfc2437.rsaEncryption
|
|
id_RSAES_OAEP = rfc2437.id_RSAES_OAEP
|
|
id_pSpecified = rfc2437.id_pSpecified
|
|
id_RSASSA_PSS = rfc4055.id_RSASSA_PSS
|
|
md2WithRSAEncryption = rfc2437.md2WithRSAEncryption
|
|
md5WithRSAEncryption = rfc2437.md5WithRSAEncryption
|
|
sha1WithRSAEncryption = rfc2437.sha1WithRSAEncryption
|
|
sha224WithRSAEncryption = rfc4055.sha224WithRSAEncryption
|
|
sha256WithRSAEncryption = rfc4055.sha256WithRSAEncryption
|
|
sha384WithRSAEncryption = rfc4055.sha384WithRSAEncryption
|
|
sha512WithRSAEncryption = rfc4055.sha512WithRSAEncryption
|
|
sha512_224WithRSAEncryption = pkcs_1 + (15, )
|
|
sha512_256WithRSAEncryption = pkcs_1 + (16, )
|
|
id_sha1 = rfc2437.id_sha1
|
|
id_md2 = univ.ObjectIdentifier('1.2.840.113549.2.2')
|
|
id_md5 = univ.ObjectIdentifier('1.2.840.113549.2.5')
|
|
id_mgf1 = rfc2437.id_mgf1
|
|
|
|
|
|
# Default parameter values
|
|
|
|
sha1 = rfc4055.sha1Identifier
|
|
SHA1Parameters = univ.Null("")
|
|
|
|
mgf1SHA1 = rfc4055.mgf1SHA1Identifier
|
|
|
|
class EncodingParameters(univ.OctetString):
|
|
subtypeSpec = constraint.ValueSizeConstraint(0, MAX)
|
|
|
|
pSpecifiedEmpty = rfc4055.pSpecifiedEmptyIdentifier
|
|
|
|
emptyString = EncodingParameters(value='')
|
|
|
|
|
|
# Main structures
|
|
|
|
class Version(univ.Integer):
|
|
namedValues = namedval.NamedValues(
|
|
('two-prime', 0),
|
|
('multi', 1)
|
|
)
|
|
|
|
class TrailerField(univ.Integer):
|
|
namedValues = namedval.NamedValues(
|
|
('trailerFieldBC', 1)
|
|
)
|
|
|
|
RSAPublicKey = rfc2437.RSAPublicKey
|
|
|
|
OtherPrimeInfo = rfc3447.OtherPrimeInfo
|
|
OtherPrimeInfos = rfc3447.OtherPrimeInfos
|
|
RSAPrivateKey = rfc3447.RSAPrivateKey
|
|
|
|
RSAES_OAEP_params = rfc4055.RSAES_OAEP_params
|
|
rSAES_OAEP_Default_Identifier = rfc4055.rSAES_OAEP_Default_Identifier
|
|
|
|
RSASSA_PSS_params = rfc4055.RSASSA_PSS_params
|
|
rSASSA_PSS_Default_Identifier = rfc4055.rSASSA_PSS_Default_Identifier
|
|
|
|
|
|
# Syntax for the EMSA-PKCS1-v1_5 hash identifier
|
|
|
|
class DigestInfo(univ.Sequence):
|
|
componentType = namedtype.NamedTypes(
|
|
namedtype.NamedType('digestAlgorithm', DigestAlgorithm()),
|
|
namedtype.NamedType('digest', univ.OctetString())
|
|
)
|
|
|
|
|
|
# Update the Algorithm Identifier map
|
|
|
|
_algorithmIdentifierMapUpdate = {
|
|
id_sha1: univ.Null(),
|
|
id_sha224: univ.Null(),
|
|
id_sha256: univ.Null(),
|
|
id_sha384: univ.Null(),
|
|
id_sha512: univ.Null(),
|
|
id_sha512_224: univ.Null(),
|
|
id_sha512_256: univ.Null(),
|
|
id_mgf1: AlgorithmIdentifier(),
|
|
id_pSpecified: univ.OctetString(),
|
|
id_RSAES_OAEP: RSAES_OAEP_params(),
|
|
id_RSASSA_PSS: RSASSA_PSS_params(),
|
|
md2WithRSAEncryption: univ.Null(),
|
|
md5WithRSAEncryption: univ.Null(),
|
|
sha1WithRSAEncryption: univ.Null(),
|
|
sha224WithRSAEncryption: univ.Null(),
|
|
sha256WithRSAEncryption: univ.Null(),
|
|
sha384WithRSAEncryption: univ.Null(),
|
|
sha512WithRSAEncryption: univ.Null(),
|
|
sha512_224WithRSAEncryption: univ.Null(),
|
|
sha512_256WithRSAEncryption: univ.Null(),
|
|
}
|
|
|
|
rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)
|