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68 lines
2.3 KiB
68 lines
2.3 KiB
5 years ago
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/*
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* Argon2 reference source code package - reference C implementations
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*
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* Copyright 2015
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* Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves
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*
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* You may use this work under the terms of a Creative Commons CC0 1.0
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* License/Waiver or the Apache Public License 2.0, at your option. The terms of
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* these licenses can be found at:
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*
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* - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
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* - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
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*
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* You should have received a copy of both of these licenses along with this
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* software. If not, they may be obtained at the above URLs.
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*/
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#ifndef ARGON2_THREAD_H
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#define ARGON2_THREAD_H
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#if !defined(ARGON2_NO_THREADS)
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/*
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Here we implement an abstraction layer for the simpĺe requirements
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of the Argon2 code. We only require 3 primitives---thread creation,
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joining, and termination---so full emulation of the pthreads API
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is unwarranted. Currently we wrap pthreads and Win32 threads.
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The API defines 2 types: the function pointer type,
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argon2_thread_func_t,
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and the type of the thread handle---argon2_thread_handle_t.
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*/
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#if defined(_WIN32)
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#include <process.h>
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typedef unsigned(__stdcall *argon2_thread_func_t)(void *);
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typedef uintptr_t argon2_thread_handle_t;
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#else
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#include <pthread.h>
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typedef void *(*argon2_thread_func_t)(void *);
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typedef pthread_t argon2_thread_handle_t;
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#endif
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/* Creates a thread
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* @param handle pointer to a thread handle, which is the output of this
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* function. Must not be NULL.
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* @param func A function pointer for the thread's entry point. Must not be
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* NULL.
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* @param args Pointer that is passed as an argument to @func. May be NULL.
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* @return 0 if @handle and @func are valid pointers and a thread is successfully
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* created.
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*/
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int argon2_thread_create(argon2_thread_handle_t *handle,
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argon2_thread_func_t func, void *args);
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/* Waits for a thread to terminate
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* @param handle Handle to a thread created with argon2_thread_create.
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* @return 0 if @handle is a valid handle, and joining completed successfully.
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*/
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int argon2_thread_join(argon2_thread_handle_t handle);
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/* Terminate the current thread. Must be run inside a thread created by
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* argon2_thread_create.
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*/
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void argon2_thread_exit(void);
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#endif /* ARGON2_NO_THREADS */
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#endif
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