59 lines
1.2 KiB
Python
59 lines
1.2 KiB
Python
#
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# This file is part of pyasn1-modules software.
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#
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# Created by Russ Housley.
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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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# SEED Encryption Algorithm in CMS
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc4010.txt
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#
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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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from pyasn1_modules import rfc5751
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id_seedCBC = univ.ObjectIdentifier('1.2.410.200004.1.4')
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id_npki_app_cmsSeed_wrap = univ.ObjectIdentifier('1.2.410.200004.7.1.1.1')
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class SeedIV(univ.OctetString):
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subtypeSpec = constraint.ValueSizeConstraint(16, 16)
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class SeedCBCParameter(SeedIV):
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pass
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class SeedSMimeCapability(univ.Null):
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pass
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# Update the Algorithm Identifier map in rfc5280.py.
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_algorithmIdentifierMapUpdate = {
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id_seedCBC: SeedCBCParameter(),
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id_npki_app_cmsSeed_wrap: univ.Null(""),
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}
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rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)
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# Update the SMIMECapabilities Attribute map in rfc5751.py
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_smimeCapabilityMapUpdate = {
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id_seedCBC: SeedSMimeCapability(),
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id_npki_app_cmsSeed_wrap: SeedSMimeCapability(),
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}
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rfc5751.smimeCapabilityMap.update(_smimeCapabilityMapUpdate)
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