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Merge pull request #5860 from tmael/entropy_memuse

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Increase RNG_SECURITY_STRENGTH for FIPS
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Sean Parkinson 2022-12-08 08:26:07 +10:00 committed by GitHub
commit 1f607ee560
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1 changed files with 6 additions and 1 deletions
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7
wolfcrypt/src/random.c
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@ -258,7 +258,12 @@ int wc_RNG_GenerateByte(WC_RNG* rng, byte* b)
* minimum bits of entropy per bit of NDRNG output. */
#if defined(HAVE_ENTROPY_MEMUSE)
/* Full strength, conditioned entropy is requested of MemUse Entropy. */
#define ENTROPY_SCALE_FACTOR (1)
#if defined(HAVE_FIPS) && defined(HAVE_FIPS_VERSION) && \
(HAVE_FIPS_VERSION >= 2)
#define ENTROPY_SCALE_FACTOR (4)
#else
#define ENTROPY_SCALE_FACTOR (1)
#endif
#elif defined(HAVE_AMD_RDSEED)
/* This will yield a SEED_SZ of 16kb. Since nonceSz will be 0,
* we'll add an additional 8kb on top. */