84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
/* $NetBSD: cprng.h,v 1.8 2013/07/01 15:22:00 riastradh Exp $ */
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/*-
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* Copyright (c) 2011-2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Thor Lancelot Simon and Taylor R. Campbell.
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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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* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* XXX Don't change this to _SYS_CPRNG_H or anything -- code outside
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* this file relies on its name... (I'm looking at you, ipf!)
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*/
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#ifndef _CPRNG_H
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#define _CPRNG_H
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#include <sys/types.h>
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#include <sys/fcntl.h> /* XXX users bogusly transitively need this */
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#include <sys/rnd.h> /* XXX users bogusly transitively need this */
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#include <crypto/nist_ctr_drbg/nist_ctr_drbg.h>
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/*
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* NIST SP800-90 says 2^19 bytes per request for the CTR_DRBG.
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*/
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#define CPRNG_MAX_LEN 524288
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#if !defined(_RUMPKERNEL) && !defined(_RUMP_NATIVE_ABI)
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/*
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* We do not want an arc4random() prototype available to anyone.
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*/
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void _arc4randbytes(void *, size_t);
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uint32_t _arc4random(void);
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static inline size_t
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cprng_fast(void *p, size_t len)
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{
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_arc4randbytes(p, len);
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return len;
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}
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static inline uint32_t
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cprng_fast32(void)
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{
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return _arc4random();
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}
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static inline uint64_t
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cprng_fast64(void)
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{
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uint64_t r;
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_arc4randbytes(&r, sizeof(r));
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return r;
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}
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#else
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size_t cprng_fast(void *, size_t);
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uint32_t cprng_fast32(void);
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uint64_t cprng_fast64(void);
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#endif
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typedef struct cprng_strong cprng_strong_t;
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void cprng_init(void);
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#define CPRNG_INIT_ANY 0x00000001
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#define CPRNG_REKEY_ANY 0x00000002
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#define CPRNG_USE_CV 0x00000004
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#define CPRNG_HARD 0x00000008
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#define CPRNG_FMT "\177\020\
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b\0INIT_ANY\0\
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b\1REKEY_ANY\0\
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b\2USE_CV\0\
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b\3HARD\0"
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cprng_strong_t *
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cprng_strong_create(const char *, int, int);
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void cprng_strong_destroy(cprng_strong_t *);
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size_t cprng_strong(cprng_strong_t *, void *, size_t, int);
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struct knote; /* XXX temp, for /dev/random */
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int cprng_strong_kqfilter(cprng_strong_t *, struct knote *); /* XXX " */
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int cprng_strong_poll(cprng_strong_t *, int); /* XXX " */
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extern cprng_strong_t *kern_cprng;
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static inline uint32_t
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cprng_strong32(void)
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{
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uint32_t r;
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cprng_strong(kern_cprng, &r, sizeof(r), 0);
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return r;
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}
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static inline uint64_t
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cprng_strong64(void)
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{
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uint64_t r;
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cprng_strong(kern_cprng, &r, sizeof(r), 0);
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return r;
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}
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static inline unsigned int
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cprng_strong_strength(cprng_strong_t *c)
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{
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return NIST_BLOCK_KEYLEN_BYTES;
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}
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#endif /* _CPRNG_H */
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