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      1 #
      2 # This file is part of pyasn1-modules software.
      3 #
      4 # Copyright (c) 2005-2017, Ilya Etingof <etingof (at] gmail.com>
      5 # License: http://pyasn1.sf.net/license.html
      6 #
      7 # PKCS#1 syntax
      8 #
      9 # ASN.1 source from:
     10 # ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2.asn
     11 #
     12 # Sample captures could be obtained with "openssl genrsa" command
     13 #
     14 from pyasn1.type import namedtype
     15 from pyasn1.type import tag
     16 from pyasn1.type import univ
     17 
     18 from pyasn1_modules.rfc2459 import AlgorithmIdentifier
     19 
     20 pkcs_1 = univ.ObjectIdentifier('1.2.840.113549.1.1')
     21 rsaEncryption = univ.ObjectIdentifier('1.2.840.113549.1.1.1')
     22 md2WithRSAEncryption = univ.ObjectIdentifier('1.2.840.113549.1.1.2')
     23 md4WithRSAEncryption = univ.ObjectIdentifier('1.2.840.113549.1.1.3')
     24 md5WithRSAEncryption = univ.ObjectIdentifier('1.2.840.113549.1.1.4')
     25 sha1WithRSAEncryption = univ.ObjectIdentifier('1.2.840.113549.1.1.5')
     26 rsaOAEPEncryptionSET = univ.ObjectIdentifier('1.2.840.113549.1.1.6')
     27 id_RSAES_OAEP = univ.ObjectIdentifier('1.2.840.113549.1.1.7')
     28 id_mgf1 = univ.ObjectIdentifier('1.2.840.113549.1.1.8')
     29 id_pSpecified = univ.ObjectIdentifier('1.2.840.113549.1.1.9')
     30 id_sha1 = univ.ObjectIdentifier('1.3.14.3.2.26')
     31 
     32 MAX = float('inf')
     33 
     34 
     35 class Version(univ.Integer):
     36     pass
     37 
     38 
     39 class RSAPrivateKey(univ.Sequence):
     40     componentType = namedtype.NamedTypes(
     41         namedtype.NamedType('version', Version()),
     42         namedtype.NamedType('modulus', univ.Integer()),
     43         namedtype.NamedType('publicExponent', univ.Integer()),
     44         namedtype.NamedType('privateExponent', univ.Integer()),
     45         namedtype.NamedType('prime1', univ.Integer()),
     46         namedtype.NamedType('prime2', univ.Integer()),
     47         namedtype.NamedType('exponent1', univ.Integer()),
     48         namedtype.NamedType('exponent2', univ.Integer()),
     49         namedtype.NamedType('coefficient', univ.Integer())
     50     )
     51 
     52 
     53 class RSAPublicKey(univ.Sequence):
     54     componentType = namedtype.NamedTypes(
     55         namedtype.NamedType('modulus', univ.Integer()),
     56         namedtype.NamedType('publicExponent', univ.Integer())
     57     )
     58 
     59 
     60 # XXX defaults not set
     61 class RSAES_OAEP_params(univ.Sequence):
     62     componentType = namedtype.NamedTypes(
     63         namedtype.NamedType('hashFunc', AlgorithmIdentifier().subtype(
     64             implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
     65         namedtype.NamedType('maskGenFunc', AlgorithmIdentifier().subtype(
     66             implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1))),
     67         namedtype.NamedType('pSourceFunc', AlgorithmIdentifier().subtype(
     68             implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2)))
     69     )
     70