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annotate libtomcrypt/tests/common.h @ 1861:2b3a8026a6ce

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Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents e9dba7abd939
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9 #ifndef DEMOS_COMMON_H_
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10 #define DEMOS_COMMON_H_
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11
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12 #include <tomcrypt.h>
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13
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14 extern prng_state yarrow_prng;
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15
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16 #ifdef LTC_VERBOSE
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17 #define DO(x) do { fprintf(stderr, "%s:\n", #x); run_cmd((x), __LINE__, __FILE__, #x, NULL); } while (0)
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18 #define DOX(x, str) do { fprintf(stderr, "%s - %s:\n", #x, (str)); run_cmd((x), __LINE__, __FILE__, #x, (str)); } while (0)
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19 #define SHOULD_FAIL(x) do { fprintf(stderr, "%s:\n", #x); run_cmd((x) != CRYPT_OK ? CRYPT_OK : CRYPT_FAIL_TESTVECTOR, __LINE__, __FILE__, #x, NULL); } while (0)
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20 #else
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21 #define DO(x) do { run_cmd((x), __LINE__, __FILE__, #x, NULL); } while (0)
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22 #define DOX(x, str) do { run_cmd((x), __LINE__, __FILE__, #x, (str)); } while (0)
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23 #define SHOULD_FAIL(x) do { run_cmd((x) != CRYPT_OK ? CRYPT_OK : CRYPT_FAIL_TESTVECTOR, __LINE__, __FILE__, #x, NULL); } while (0)
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24 #endif
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25
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26 void run_cmd(int res, int line, const char *file, const char *cmd, const char *algorithm);
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27
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28 void print_hex(const char* what, const void* v, const unsigned long l);
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29
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30 #endif /* DEMOS_COMMON_H_ */
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31
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32 /* ref: $Format:%D$ */
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33 /* git commit: $Format:%H$ */
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34 /* commit time: $Format:%ai$ */