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ea5792f333
Instead, have it call a mockable function. We don't want crypto_strongest_rand() to be mockable, since doing so creates a type error when we call it from ed25519-donna, which we do not build in a test mode. Fixes bug 27728; bugfix on 0.3.5.1-alpha
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* Copyright (c) 2001, Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file crypto_rand.h
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*
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* \brief Common functions for using (pseudo-)random number generators.
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**/
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#ifndef TOR_CRYPTO_RAND_H
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#define TOR_CRYPTO_RAND_H
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#include "lib/cc/compat_compiler.h"
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#include "lib/cc/torint.h"
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#include "lib/testsupport/testsupport.h"
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/* random numbers */
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int crypto_seed_rng(void) ATTR_WUR;
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MOCK_DECL(void,crypto_rand,(char *to, size_t n));
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void crypto_rand_unmocked(char *to, size_t n);
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void crypto_strongest_rand(uint8_t *out, size_t out_len);
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MOCK_DECL(void,crypto_strongest_rand_,(uint8_t *out, size_t out_len));
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int crypto_rand_int(unsigned int max);
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int crypto_rand_int_range(unsigned int min, unsigned int max);
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uint64_t crypto_rand_uint64_range(uint64_t min, uint64_t max);
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time_t crypto_rand_time_range(time_t min, time_t max);
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uint64_t crypto_rand_uint64(uint64_t max);
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double crypto_rand_double(void);
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struct tor_weak_rng_t;
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void crypto_seed_weak_rng(struct tor_weak_rng_t *rng);
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char *crypto_random_hostname(int min_rand_len, int max_rand_len,
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const char *prefix, const char *suffix);
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struct smartlist_t;
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void *smartlist_choose(const struct smartlist_t *sl);
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void smartlist_shuffle(struct smartlist_t *sl);
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int crypto_force_rand_ssleay(void);
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#ifdef CRYPTO_RAND_PRIVATE
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STATIC int crypto_strongest_rand_raw(uint8_t *out, size_t out_len);
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#ifdef TOR_UNIT_TESTS
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extern int break_strongest_rng_syscall;
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extern int break_strongest_rng_fallback;
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#endif
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#endif /* defined(CRYPTO_RAND_PRIVATE) */
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#endif /* !defined(TOR_CRYPTO_RAND_H) */
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