38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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 random import SystemRandom
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from rstr import Rstr
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import string
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__all__ = ['CryptoString']
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class CryptoString(object):
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def __init__(self):
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self._pool = string.ascii_letters + string.digits + string.punctuation
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self._rs = Rstr(SystemRandom())
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def get_crypto_string(self, len=24):
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"""
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Create and return a random cryptographic string,
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of the ``len`` length.
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"""
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if len < 24:
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len = 24
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return self._rs.rstr(self._pool, len)
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