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59 lines
1.6 KiB
59 lines
1.6 KiB
#
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# This file is part of pyasn1-modules software.
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#
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# Created by Russ Housley with assistance from asn1ate v.0.6.0.
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# Modified by Russ Housley to add a map 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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# CMS Compressed Data Content Type
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc3274.txt
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#
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from pyasn1.type import namedtype
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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 rfc5652
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class CompressionAlgorithmIdentifier(rfc5280.AlgorithmIdentifier):
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pass
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# The CMS Compressed Data Content Type
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id_ct_compressedData = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.9')
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class CompressedData(univ.Sequence):
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pass
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CompressedData.componentType = namedtype.NamedTypes(
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namedtype.NamedType('version', rfc5652.CMSVersion()), # Always set to 0
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namedtype.NamedType('compressionAlgorithm', CompressionAlgorithmIdentifier()),
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namedtype.NamedType('encapContentInfo', rfc5652.EncapsulatedContentInfo())
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)
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# Algorithm identifier for the zLib Compression Algorithm
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# This includes cpa_zlibCompress as defined in RFC 6268,
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# from https://www.rfc-editor.org/rfc/rfc6268.txt
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id_alg_zlibCompress = univ.ObjectIdentifier('1.2.840.113549.1.9.16.3.8')
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cpa_zlibCompress = rfc5280.AlgorithmIdentifier()
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cpa_zlibCompress['algorithm'] = id_alg_zlibCompress
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# cpa_zlibCompress['parameters'] are absent
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# Map of Content Type OIDs to Content Types is added to thr
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# ones that are in rfc5652.py
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_cmsContentTypesMapUpdate = {
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id_ct_compressedData: CompressedData(),
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}
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rfc5652.cmsContentTypesMap.update(_cmsContentTypesMapUpdate)
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