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095ed2c9f3
Simplify the malloc pools; We only need one for this device. Simplify the harvest queue. Marginally improve the entropy pool hashing, making it a bit faster in the process. Connect up the hardware "live" source harvesting. This is simplistic for now, and will need to be made rate-adaptive. All of the above passes a compile test but needs to be debugged.
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*-
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* Copyright (c) 2000-2013 Mark R V Murray
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* All rights reserved.
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*
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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
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* are met:
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* 1. 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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* in this position and unchanged.
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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* This header contains only those definitions that are global
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* and non algorithm-specific for the entropy processor
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*/
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MALLOC_DECLARE(M_ENTROPY);
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typedef void random_init_func_t(void);
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typedef void random_deinit_func_t(void);
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typedef int random_block_func_t(int);
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typedef int random_read_func_t(void *, int);
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typedef int random_poll_func_t(int, struct thread *);
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typedef void random_reseed_func_t(void);
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struct random_adaptor {
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struct selinfo rsel;
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const char *ident;
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int seeded;
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random_init_func_t *init;
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random_deinit_func_t *deinit;
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random_block_func_t *block;
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random_read_func_t *read;
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random_poll_func_t *poll;
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random_reseed_func_t *reseed;
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};
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struct random_hardware_source {
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const char *ident;
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enum esource source;
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random_read_func_t *read;
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};
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