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53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
5 years ago
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# Copyright 2013 Donald Stufft and individual contributors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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from __future__ import division
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import nacl.bindings
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_argon2_strbytes_plus_one = nacl.bindings.crypto_pwhash_STRBYTES
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PWHASH_SIZE = _argon2_strbytes_plus_one - 1
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SALTBYTES = nacl.bindings.crypto_pwhash_SALTBYTES
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PASSWD_MIN = nacl.bindings.crypto_pwhash_PASSWD_MIN
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PASSWD_MAX = nacl.bindings.crypto_pwhash_PASSWD_MAX
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PWHASH_SIZE = _argon2_strbytes_plus_one - 1
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BYTES_MAX = nacl.bindings.crypto_pwhash_BYTES_MAX
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BYTES_MIN = nacl.bindings.crypto_pwhash_BYTES_MIN
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ALG_ARGON2I13 = nacl.bindings.crypto_pwhash_ALG_ARGON2I13
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ALG_ARGON2ID13 = nacl.bindings.crypto_pwhash_ALG_ARGON2ID13
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ALG_ARGON2_DEFAULT = nacl.bindings.crypto_pwhash_ALG_DEFAULT
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def verify(password_hash, password):
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"""
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Takes a modular crypt encoded argon2i or argon2id stored password hash
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and checks if the user provided password will hash to the same string
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when using the stored parameters
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:param password_hash: password hash serialized in modular crypt() format
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:type password_hash: bytes
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:param password: user provided password
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:type password: bytes
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:rtype: boolean
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.. versionadded:: 1.2
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"""
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return nacl.bindings.crypto_pwhash_str_verify(password_hash,
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password)
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