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linuxkm/lkcapi_sha_glue.c: add -wolfentropy and/or -rdseed to WOLFKM_STDRNG_DRIVER to advertise the seed source.

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Daniel Pouzzner
2026-02-20 15:44:54 -06:00
parent f84377ed69
commit 10ba02fe40
1 changed files with 17 additions and 0 deletions
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linuxkm/lkcapi_sha_glue.c
+17
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@@ -110,12 +110,29 @@
* exhaustion. A caller that really needs PR can pass in seed data in its call
* to our rng_alg.generate() implementation.
*/
#ifdef HAVE_ENTROPY_MEMUSE
#define WOLFKM_STDRNG_WOLFENTROPY "-wolfentropy"
#else
#define WOLFKM_STDRNG_WOLFENTROPY ""
#endif
#if defined(HAVE_INTEL_RDSEED) || defined(HAVE_AMD_RDSEED)
#define WOLFKM_STDRNG_RDSEED "-rdseed"
#else
#define WOLFKM_STDRNG_RDSEED ""
#endif
#ifdef LINUXKM_DRBG_GET_RANDOM_BYTES
#define WOLFKM_STDRNG_DRIVER ("sha2-256-drbg-nopr" \
WOLFKM_STDRNG_WOLFENTROPY \
WOLFKM_STDRNG_RDSEED \
WOLFKM_DRIVER_SUFFIX_BASE \
"-with-global-replace")
#else
#define WOLFKM_STDRNG_DRIVER ("sha2-256-drbg-nopr" \
WOLFKM_STDRNG_WOLFENTROPY \
WOLFKM_STDRNG_RDSEED \
WOLFKM_DRIVER_SUFFIX_BASE)
#endif