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rfc4055.py
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# # This file is part of pyasn1-modules software. # # Created by Russ Housley with a very small amount of assistance from # asn1ate v.0.6.0. # Modified by Russ Housley to add maps for opentypes. # # Copyright (c) 2019, Vigil Security, LLC # License: http://snmplabs.com/pyasn1/license.html # # Additional Algorithms and Identifiers for RSA Cryptography # for use in Certificates and CRLs # # ASN.1 source from: # https://www.rfc-editor.org/rfc/rfc4055.txt # from pyasn1.type import namedtype from pyasn1.type import tag from pyasn1.type import univ from pyasn1_modules import rfc5280 def _OID(*components): output = [] for x in tuple(components): if isinstance(x, univ.ObjectIdentifier): output.extend(list(x)) else: output.append(int(x)) return univ.ObjectIdentifier(output) id_sha1 = _OID(1, 3, 14, 3, 2, 26) id_sha256 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 1) id_sha384 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 2) id_sha512 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 3) id_sha224 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 4) rsaEncryption = _OID(1, 2, 840, 113549, 1, 1, 1) id_mgf1 = _OID(1, 2, 840, 113549, 1, 1, 8) id_RSAES_OAEP = _OID(1, 2, 840, 113549, 1, 1, 7) id_pSpecified = _OID(1, 2, 840, 113549, 1, 1, 9) id_RSASSA_PSS = _OID(1, 2, 840, 113549, 1, 1, 10) sha256WithRSAEncryption = _OID(1, 2, 840, 113549, 1, 1, 11) sha384WithRSAEncryption = _OID(1, 2, 840, 113549, 1, 1, 12) sha512WithRSAEncryption = _OID(1, 2, 840, 113549, 1, 1, 13) sha224WithRSAEncryption = _OID(1, 2, 840, 113549, 1, 1, 14) sha1Identifier = rfc5280.AlgorithmIdentifier() sha1Identifier['algorithm'] = id_sha1 sha1Identifier['parameters'] = univ.Null("") sha224Identifier = rfc5280.AlgorithmIdentifier() sha224Identifier['algorithm'] = id_sha224 sha224Identifier['parameters'] = univ.Null("") sha256Identifier = rfc5280.AlgorithmIdentifier() sha256Identifier['algorithm'] = id_sha256 sha256Identifier['parameters'] = univ.Null("") sha384Identifier = rfc5280.AlgorithmIdentifier() sha384Identifier['algorithm'] = id_sha384 sha384Identifier['parameters'] = univ.Null("") sha512Identifier = rfc5280.AlgorithmIdentifier() sha512Identifier['algorithm'] = id_sha512 sha512Identifier['parameters'] = univ.Null("") mgf1SHA1Identifier = rfc5280.AlgorithmIdentifier() mgf1SHA1Identifier['algorithm'] = id_mgf1 mgf1SHA1Identifier['parameters'] = sha1Identifier mgf1SHA224Identifier = rfc5280.AlgorithmIdentifier() mgf1SHA224Identifier['algorithm'] = id_mgf1 mgf1SHA224Identifier['parameters'] = sha224Identifier mgf1SHA256Identifier = rfc5280.AlgorithmIdentifier() mgf1SHA256Identifier['algorithm'] = id_mgf1 mgf1SHA256Identifier['parameters'] = sha256Identifier mgf1SHA384Identifier = rfc5280.AlgorithmIdentifier() mgf1SHA384Identifier['algorithm'] = id_mgf1 mgf1SHA384Identifier['parameters'] = sha384Identifier mgf1SHA512Identifier = rfc5280.AlgorithmIdentifier() mgf1SHA512Identifier['algorithm'] = id_mgf1 mgf1SHA512Identifier['parameters'] = sha512Identifier pSpecifiedEmptyIdentifier = rfc5280.AlgorithmIdentifier() pSpecifiedEmptyIdentifier['algorithm'] = id_pSpecified pSpecifiedEmptyIdentifier['parameters'] = univ.OctetString(value='') class RSAPublicKey(univ.Sequence): pass RSAPublicKey.componentType = namedtype.NamedTypes( namedtype.NamedType('modulus', univ.Integer()), namedtype.NamedType('publicExponent', univ.Integer()) ) class HashAlgorithm(rfc5280.AlgorithmIdentifier): pass class MaskGenAlgorithm(rfc5280.AlgorithmIdentifier): pass class RSAES_OAEP_params(univ.Sequence): pass RSAES_OAEP_params.componentType = namedtype.NamedTypes( namedtype.OptionalNamedType('hashFunc', rfc5280.AlgorithmIdentifier().subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))), namedtype.OptionalNamedType('maskGenFunc', rfc5280.AlgorithmIdentifier().subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))), namedtype.OptionalNamedType('pSourceFunc', rfc5280.AlgorithmIdentifier().subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2))) ) rSAES_OAEP_Default_Params = RSAES_OAEP_params() rSAES_OAEP_Default_Identifier = rfc5280.AlgorithmIdentifier() rSAES_OAEP_Default_Identifier['algorithm'] = id_RSAES_OAEP rSAES_OAEP_Default_Identifier['parameters'] = rSAES_OAEP_Default_Params rSAES_OAEP_SHA224_Params = RSAES_OAEP_params() rSAES_OAEP_SHA224_Params['hashFunc'] = sha224Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSAES_OAEP_SHA224_Params['maskGenFunc'] = mgf1SHA224Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSAES_OAEP_SHA224_Identifier = rfc5280.AlgorithmIdentifier() rSAES_OAEP_SHA224_Identifier['algorithm'] = id_RSAES_OAEP rSAES_OAEP_SHA224_Identifier['parameters'] = rSAES_OAEP_SHA224_Params rSAES_OAEP_SHA256_Params = RSAES_OAEP_params() rSAES_OAEP_SHA256_Params['hashFunc'] = sha256Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSAES_OAEP_SHA256_Params['maskGenFunc'] = mgf1SHA256Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSAES_OAEP_SHA256_Identifier = rfc5280.AlgorithmIdentifier() rSAES_OAEP_SHA256_Identifier['algorithm'] = id_RSAES_OAEP rSAES_OAEP_SHA256_Identifier['parameters'] = rSAES_OAEP_SHA256_Params rSAES_OAEP_SHA384_Params = RSAES_OAEP_params() rSAES_OAEP_SHA384_Params['hashFunc'] = sha384Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSAES_OAEP_SHA384_Params['maskGenFunc'] = mgf1SHA384Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSAES_OAEP_SHA384_Identifier = rfc5280.AlgorithmIdentifier() rSAES_OAEP_SHA384_Identifier['algorithm'] = id_RSAES_OAEP rSAES_OAEP_SHA384_Identifier['parameters'] = rSAES_OAEP_SHA384_Params rSAES_OAEP_SHA512_Params = RSAES_OAEP_params() rSAES_OAEP_SHA512_Params['hashFunc'] = sha512Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSAES_OAEP_SHA512_Params['maskGenFunc'] = mgf1SHA512Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSAES_OAEP_SHA512_Identifier = rfc5280.AlgorithmIdentifier() rSAES_OAEP_SHA512_Identifier['algorithm'] = id_RSAES_OAEP rSAES_OAEP_SHA512_Identifier['parameters'] = rSAES_OAEP_SHA512_Params class RSASSA_PSS_params(univ.Sequence): pass RSASSA_PSS_params.componentType = namedtype.NamedTypes( namedtype.OptionalNamedType('hashAlgorithm', rfc5280.AlgorithmIdentifier().subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))), namedtype.OptionalNamedType('maskGenAlgorithm', rfc5280.AlgorithmIdentifier().subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))), namedtype.DefaultedNamedType('saltLength', univ.Integer(value=20).subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2))), namedtype.DefaultedNamedType('trailerField', univ.Integer(value=1).subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 3))) ) rSASSA_PSS_Default_Params = RSASSA_PSS_params() rSASSA_PSS_Default_Identifier = rfc5280.AlgorithmIdentifier() rSASSA_PSS_Default_Identifier['algorithm'] = id_RSASSA_PSS rSASSA_PSS_Default_Identifier['parameters'] = rSASSA_PSS_Default_Params rSASSA_PSS_SHA224_Params = RSASSA_PSS_params() rSASSA_PSS_SHA224_Params['hashAlgorithm'] = sha224Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSASSA_PSS_SHA224_Params['maskGenAlgorithm'] = mgf1SHA224Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSASSA_PSS_SHA224_Identifier = rfc5280.AlgorithmIdentifier() rSASSA_PSS_SHA224_Identifier['algorithm'] = id_RSASSA_PSS rSASSA_PSS_SHA224_Identifier['parameters'] = rSASSA_PSS_SHA224_Params rSASSA_PSS_SHA256_Params = RSASSA_PSS_params() rSASSA_PSS_SHA256_Params['hashAlgorithm'] = sha256Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSASSA_PSS_SHA256_Params['maskGenAlgorithm'] = mgf1SHA256Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSASSA_PSS_SHA256_Identifier = rfc5280.AlgorithmIdentifier() rSASSA_PSS_SHA256_Identifier['algorithm'] = id_RSASSA_PSS rSASSA_PSS_SHA256_Identifier['parameters'] = rSASSA_PSS_SHA256_Params rSASSA_PSS_SHA384_Params = RSASSA_PSS_params() rSASSA_PSS_SHA384_Params['hashAlgorithm'] = sha384Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSASSA_PSS_SHA384_Params['maskGenAlgorithm'] = mgf1SHA384Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSASSA_PSS_SHA384_Identifier = rfc5280.AlgorithmIdentifier() rSASSA_PSS_SHA384_Identifier['algorithm'] = id_RSASSA_PSS rSASSA_PSS_SHA384_Identifier['parameters'] = rSASSA_PSS_SHA384_Params rSASSA_PSS_SHA512_Params = RSASSA_PSS_params() rSASSA_PSS_SHA512_Params['hashAlgorithm'] = sha512Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0), cloneValueFlag=True) rSASSA_PSS_SHA512_Params['maskGenAlgorithm'] = mgf1SHA512Identifier.subtype( explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1), cloneValueFlag=True) rSASSA_PSS_SHA512_Identifier = rfc5280.AlgorithmIdentifier() rSASSA_PSS_SHA512_Identifier['algorithm'] = id_RSASSA_PSS rSASSA_PSS_SHA512_Identifier['parameters'] = rSASSA_PSS_SHA512_Params # 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_mgf1: rfc5280.AlgorithmIdentifier(), id_pSpecified: univ.OctetString(), id_RSAES_OAEP: RSAES_OAEP_params(), id_RSASSA_PSS: RSASSA_PSS_params(), } rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)