Updated DB_Helper by adding firebase methods.
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venv/Lib/site-packages/pyasn1_modules/rfc5990.py
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venv/Lib/site-packages/pyasn1_modules/rfc5990.py
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#
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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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#
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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 RSA-KEM Key Transport Algorithm in the CMS
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc5990.txt
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#
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from pyasn1.type import constraint
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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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MAX = float('inf')
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def _OID(*components):
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output = []
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for x in tuple(components):
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if isinstance(x, univ.ObjectIdentifier):
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output.extend(list(x))
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else:
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output.append(int(x))
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return univ.ObjectIdentifier(output)
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# Imports from RFC 5280
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AlgorithmIdentifier = rfc5280.AlgorithmIdentifier
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# Useful types and definitions
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class NullParms(univ.Null):
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pass
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# Object identifier arcs
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is18033_2 = _OID(1, 0, 18033, 2)
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nistAlgorithm = _OID(2, 16, 840, 1, 101, 3, 4)
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pkcs_1 = _OID(1, 2, 840, 113549, 1, 1)
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x9_44 = _OID(1, 3, 133, 16, 840, 9, 44)
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x9_44_components = _OID(x9_44, 1)
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# Types for algorithm identifiers
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class Camellia_KeyWrappingScheme(AlgorithmIdentifier):
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pass
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class DataEncapsulationMechanism(AlgorithmIdentifier):
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pass
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class KDF2_HashFunction(AlgorithmIdentifier):
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pass
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class KDF3_HashFunction(AlgorithmIdentifier):
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pass
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class KeyDerivationFunction(AlgorithmIdentifier):
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pass
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class KeyEncapsulationMechanism(AlgorithmIdentifier):
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pass
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class X9_SymmetricKeyWrappingScheme(AlgorithmIdentifier):
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pass
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# RSA-KEM Key Transport Algorithm
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id_rsa_kem = _OID(1, 2, 840, 113549, 1, 9, 16, 3, 14)
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class GenericHybridParameters(univ.Sequence):
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pass
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GenericHybridParameters.componentType = namedtype.NamedTypes(
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namedtype.NamedType('kem', KeyEncapsulationMechanism()),
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namedtype.NamedType('dem', DataEncapsulationMechanism())
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)
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rsa_kem = AlgorithmIdentifier()
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rsa_kem['algorithm'] = id_rsa_kem
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rsa_kem['parameters'] = GenericHybridParameters()
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# KEM-RSA Key Encapsulation Mechanism
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id_kem_rsa = _OID(is18033_2, 2, 4)
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class KeyLength(univ.Integer):
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pass
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KeyLength.subtypeSpec = constraint.ValueRangeConstraint(1, MAX)
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class RsaKemParameters(univ.Sequence):
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pass
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RsaKemParameters.componentType = namedtype.NamedTypes(
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namedtype.NamedType('keyDerivationFunction', KeyDerivationFunction()),
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namedtype.NamedType('keyLength', KeyLength())
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)
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kem_rsa = AlgorithmIdentifier()
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kem_rsa['algorithm'] = id_kem_rsa
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kem_rsa['parameters'] = RsaKemParameters()
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# Key Derivation Functions
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id_kdf_kdf2 = _OID(x9_44_components, 1)
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id_kdf_kdf3 = _OID(x9_44_components, 2)
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kdf2 = AlgorithmIdentifier()
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kdf2['algorithm'] = id_kdf_kdf2
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kdf2['parameters'] = KDF2_HashFunction()
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kdf3 = AlgorithmIdentifier()
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kdf3['algorithm'] = id_kdf_kdf3
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kdf3['parameters'] = KDF3_HashFunction()
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# Hash Functions
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id_sha1 = _OID(1, 3, 14, 3, 2, 26)
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id_sha224 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 4)
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id_sha256 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 1)
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id_sha384 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 2)
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id_sha512 = _OID(2, 16, 840, 1, 101, 3, 4, 2, 3)
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sha1 = AlgorithmIdentifier()
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sha1['algorithm'] = id_sha1
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sha1['parameters'] = univ.Null("")
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sha224 = AlgorithmIdentifier()
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sha224['algorithm'] = id_sha224
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sha224['parameters'] = univ.Null("")
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sha256 = AlgorithmIdentifier()
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sha256['algorithm'] = id_sha256
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sha256['parameters'] = univ.Null("")
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sha384 = AlgorithmIdentifier()
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sha384['algorithm'] = id_sha384
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sha384['parameters'] = univ.Null("")
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sha512 = AlgorithmIdentifier()
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sha512['algorithm'] = id_sha512
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sha512['parameters'] = univ.Null("")
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# Symmetric Key-Wrapping Schemes
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id_aes128_Wrap = _OID(nistAlgorithm, 1, 5)
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id_aes192_Wrap = _OID(nistAlgorithm, 1, 25)
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id_aes256_Wrap = _OID(nistAlgorithm, 1, 45)
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id_alg_CMS3DESwrap = _OID(1, 2, 840, 113549, 1, 9, 16, 3, 6)
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id_camellia128_Wrap = _OID(1, 2, 392, 200011, 61, 1, 1, 3, 2)
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id_camellia192_Wrap = _OID(1, 2, 392, 200011, 61, 1, 1, 3, 3)
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id_camellia256_Wrap = _OID(1, 2, 392, 200011, 61, 1, 1, 3, 4)
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aes128_Wrap = AlgorithmIdentifier()
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aes128_Wrap['algorithm'] = id_aes128_Wrap
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# aes128_Wrap['parameters'] are absent
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aes192_Wrap = AlgorithmIdentifier()
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aes192_Wrap['algorithm'] = id_aes128_Wrap
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# aes192_Wrap['parameters'] are absent
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aes256_Wrap = AlgorithmIdentifier()
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aes256_Wrap['algorithm'] = id_sha256
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# aes256_Wrap['parameters'] are absent
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tdes_Wrap = AlgorithmIdentifier()
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tdes_Wrap['algorithm'] = id_alg_CMS3DESwrap
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tdes_Wrap['parameters'] = univ.Null("")
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camellia128_Wrap = AlgorithmIdentifier()
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camellia128_Wrap['algorithm'] = id_camellia128_Wrap
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# camellia128_Wrap['parameters'] are absent
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camellia192_Wrap = AlgorithmIdentifier()
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camellia192_Wrap['algorithm'] = id_camellia192_Wrap
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# camellia192_Wrap['parameters'] are absent
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camellia256_Wrap = AlgorithmIdentifier()
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camellia256_Wrap['algorithm'] = id_camellia256_Wrap
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# camellia256_Wrap['parameters'] are absent
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# Update the Algorithm Identifier map in rfc5280.py.
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# Note that the ones that must not have parameters are not added to the map.
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_algorithmIdentifierMapUpdate = {
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id_rsa_kem: GenericHybridParameters(),
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id_kem_rsa: RsaKemParameters(),
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id_kdf_kdf2: KDF2_HashFunction(),
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id_kdf_kdf3: KDF3_HashFunction(),
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id_sha1: univ.Null(),
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id_sha224: univ.Null(),
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id_sha256: univ.Null(),
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id_sha384: univ.Null(),
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id_sha512: univ.Null(),
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id_alg_CMS3DESwrap: univ.Null(),
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}
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rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)
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