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Increase RNG_SECURITY_STRENGTH for FIPS #5860

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Merged
SparkiDev merged 2 commits into from
Dec 7, 2022
Merged

Increase RNG_SECURITY_STRENGTH for FIPS #5860

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5c020c6
Increase RNG_SECURITY_STRENGTH for FIPS
tmael Dec 6, 2022
1e08861
Adjust ENTROPY_SCALE_FACTOR for FIPS
tmael Dec 7, 2022
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7 changes: 6 additions & 1 deletion wolfcrypt/src/random.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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. */
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