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standard: Stop using php_combined_lcg() in uniqid() (#15217)

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Fall back to the fallback generator if the CSPRNG fails instead. This removes
the last internal user of `php_combined_lcg()`.
This commit is contained in:
Tim Düsterhus
2024-08-04 18:26:40 +02:00
committed by GitHub
parent 6910167c48
commit 49d0d7bcd7
1 changed files with 2 additions and 3 deletions
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5
ext/standard/uniqid.c
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@@ -75,10 +75,9 @@ PHP_FUNCTION(uniqid)
uint32_t bytes;
double seed;
if (php_random_bytes_silent(&bytes, sizeof(uint32_t)) == FAILURE) {
seed = php_combined_lcg() * 10;
} else {
seed = ((double) bytes / UINT32_MAX) * 10.0;
bytes = php_random_generate_fallback_seed();
}
seed = ((double) bytes / UINT32_MAX) * 10.0;
uniqid = strpprintf(0, "%s%08x%05x%.8F", prefix, sec, usec, seed);
} else {
uniqid = strpprintf(0, "%s%08x%05x", prefix, sec, usec);