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comparison dbutil.h @ 817:a625f9e135a4

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Constant time memcmp for the hmac and password crypt
author Matt Johnston <matt@ucc.asn.au>
date Thu, 03 Oct 2013 22:25:30 +0800
parents 504f33c684b5
children 4095b6d7c9fc
comparison
equal deleted inserted replaced
816:84e4259dae3e 817:a625f9e135a4
92 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL} 92 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}
93 93
94 /* Dropbear assertion */ 94 /* Dropbear assertion */
95 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0) 95 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0)
96 96
97 /* Returns 0 if a and b have the same contents */
98 int constant_time_memcmp(const void* a, const void *b, size_t n);
99
97 #endif /* _DBUTIL_H_ */ 100 #endif /* _DBUTIL_H_ */