diff options
Diffstat (limited to 'third_party/python/pyasn1_modules/pyasn1_modules/rfc7914.py')
| -rw-r--r-- | third_party/python/pyasn1_modules/pyasn1_modules/rfc7914.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/python/pyasn1_modules/pyasn1_modules/rfc7914.py b/third_party/python/pyasn1_modules/pyasn1_modules/rfc7914.py new file mode 100644 index 0000000000..99e9551567 --- /dev/null +++ b/third_party/python/pyasn1_modules/pyasn1_modules/rfc7914.py @@ -0,0 +1,49 @@ +# +# This file is part of pyasn1-modules software. +# +# Created by Russ Housley with assistance from asn1ate v.0.6.0. +# +# Copyright (c) 2019, Vigil Security, LLC +# License: http://snmplabs.com/pyasn1/license.html +# +#The scrypt Password-Based Key Derivation Function +# +# ASN.1 source from: +# https://www.rfc-editor.org/rfc/rfc8520.txt +# https://www.rfc-editor.org/errata/eid5871 +# + +from pyasn1.type import constraint +from pyasn1.type import namedtype +from pyasn1.type import univ + +from pyasn1_modules import rfc5280 + +MAX = float('inf') + + +id_scrypt = univ.ObjectIdentifier('1.3.6.1.4.1.11591.4.11') + + +class Scrypt_params(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('salt', + univ.OctetString()), + namedtype.NamedType('costParameter', + univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, MAX))), + namedtype.NamedType('blockSize', + univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, MAX))), + namedtype.NamedType('parallelizationParameter', + univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, MAX))), + namedtype.OptionalNamedType('keyLength', + univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, MAX))) + ) + + +# Update the Algorithm Identifier map in rfc5280.py + +_algorithmIdentifierMapUpdate = { + id_scrypt: Scrypt_params(), +} + +rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate) |