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gcrypt: prefer the OS RNG

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by default, gcrypt defaults to an userspace RNG, this is
the wrong thing (tm) to do on linux.

Switch to the SYSTEM rng instead.

(cherry picked from commit 80f967311ac53ae43b5a26332f32cc6665661338)
(cherry picked from commit ca0ed3a78cc2414706a59384d50b9048e1f00357)
This commit is contained in:
Cristian Rodríguez 2022-07-26 18:24:12 +00:00 committed by Zbigniew Jędrzejewski-Szmek
parent 427995b49b
commit 97c82a3abb
1 changed files with 2 additions and 0 deletions
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src/basic/gcrypt-util.c
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@ -15,6 +15,8 @@ void initialize_libgcrypt(bool secmem) {
* feature should initialize the library manually */
if (!secmem)
gcry_control(GCRYCTL_DISABLE_SECMEM);
gcry_control(GCRYCTL_SET_PREFERRED_RNG_TYPE, GCRY_RNG_TYPE_SYSTEM);
gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
}