51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
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/*
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* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef CYTOPLASM_SHA2_H
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#define CYTOPLASM_SHA2_H
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/***
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* @Nm Sha2
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* @Nd A simple implementation of the SHA2 hashing functions.
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* @Dd December 19 2022
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* @Xr Memory Base64
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*
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* This API defines simple functions for computing SHA2 hashes.
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* At the moment, it only defines
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* .Fn Sha256 ,
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* which computes the SHA-256 hash of the given C string. It is
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* not trivial to implement SHA-512 in ANSI C due to the lack of
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* a 64-bit integer type, so that hash function has been omitted.
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*/
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/**
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* This function takes a pointer to a NULL-terminated C string, and
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* returns a string allocated on the heap using the Memory API, or
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* NULL if there was an error allocating memory. The returned string
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* should be freed when it is no longer needed.
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*/
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extern char * Sha256(char *);
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#endif /* CYTOPLASM_SHA2_H */
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