|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153 |
- #
- # 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)
|