58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
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# This file is being contributed to pyasn1-modules software.
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#
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# Created by Russ Housley.
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# Modified by Russ Housley to add maps for use with opentypes.
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#
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# Copyright (c) 2019, Vigil Security, LLC
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# License: http://snmplabs.com/pyasn1/license.html
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#
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# Use of the Advanced Encryption Standard (AES) Encryption
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# Algorithm in the Cryptographic Message Syntax (CMS)
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc3565.txt
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from pyasn1.type import constraint
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from pyasn1.type import univ
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from pyasn1_modules import rfc5280
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class AlgorithmIdentifier(rfc5280.AlgorithmIdentifier):
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pass
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class AES_IV(univ.OctetString):
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pass
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AES_IV.subtypeSpec = constraint.ValueSizeConstraint(16, 16)
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id_aes128_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.2')
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id_aes192_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.22')
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id_aes256_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.42')
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id_aes128_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.5')
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id_aes192_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.25')
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id_aes256_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.45')
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# Update the Algorithm Identifier map
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_algorithmIdentifierMapUpdate = {
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id_aes128_CBC: AES_IV(),
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id_aes192_CBC: AES_IV(),
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id_aes256_CBC: AES_IV(),
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id_aes128_wrap: univ.Null(),
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id_aes192_wrap: univ.Null(),
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id_aes256_wrap: univ.Null(),
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}
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rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)
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