mirror of https://github.com/YosysHQ/yosys.git
50 lines
2.3 KiB
C
50 lines
2.3 KiB
C
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/*
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Copyright (c) 2011, Micael Hildenborg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Micael Hildenborg nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY Micael Hildenborg ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL Micael Hildenborg BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SHA1_DEFINED
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#define SHA1_DEFINED
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namespace sha1
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{
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/**
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@param src points to any kind of data to be hashed.
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@param bytelength the number of bytes to hash from the src pointer.
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@param hash should point to a buffer of at least 20 bytes of size for storing the sha1 result in.
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*/
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void calc(const void* src, const int bytelength, unsigned char* hash);
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/**
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@param hash is 20 bytes of sha1 hash. This is the same data that is the result from the calc function.
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@param hexstring should point to a buffer of at least 41 bytes of size for storing the hexadecimal representation of the hash. A zero will be written at position 40, so the buffer will be a valid zero ended string.
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*/
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void toHexString(const unsigned char* hash, char* hexstring);
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} // namespace sha1
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#endif // SHA1_DEFINED
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