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31 lines
988 B
Python
31 lines
988 B
Python
# 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, division, print_function
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from nacl._sodium import ffi, lib
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def randombytes(size):
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"""
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Returns ``size`` number of random bytes from a cryptographically secure
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random source.
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:param size: int
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:rtype: bytes
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"""
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buf = ffi.new("unsigned char[]", size)
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lib.randombytes(buf, size)
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return ffi.buffer(buf, size)[:]
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