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Handle negative inputs to crypto_random_time_range().
(These inputs are possible when Shadow starts the world at time_t 0,
and breaks our assumption that Tor didn't exist in the 1970s.)
Fixes regression introduced in 241e6b09
. Fixes #16980.
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o Minor bugfixes:
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- Fix the behavior of crypto_time_t when told to consider times
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before 1970. (These times were possible when running in a
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simulated network environment where time()'s output starts at
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zero.) Fixes bug 16980; bugfix on 0.2.7.1-alpha.
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@ -2440,7 +2440,8 @@ crypto_rand_uint64_range(uint64_t min, uint64_t max)
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time_t
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time_t
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crypto_rand_time_range(time_t min, time_t max)
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crypto_rand_time_range(time_t min, time_t max)
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{
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{
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return (time_t) crypto_rand_uint64_range(min, max);
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tor_assert(min < max);
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return min + (time_t)crypto_rand_uint64(max - min);
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}
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}
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/** Return a pseudorandom 64-bit integer, chosen uniformly from the values
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/** Return a pseudorandom 64-bit integer, chosen uniformly from the values
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