On Wed, Jan 26, 2022 at 08:02:54AM +0100, Stephan Müller wrote: > The current code base of the kernel crypto API random number support > leaves the task to seed and reseed the DRNG to either the caller or > the DRNG implementation. The code in crypto/drbg.c implements its own > seeding strategy. crypto/ansi_cprng.c does not contain any seeding > operation. The implementation in arch/s390/crypto/prng.c has yet > another approach for seeding. Albeit the crypto_rng_reset() contains > a seeding logic from get_random_bytes, there is no management of > the DRNG to ensure proper reseeding or control which entropy sources > are used for pulling data from. ansi_cprng looks like unused code that should be removed, as does the s390 prng. With that being the case, what is the purpose of this patchset? - Eric
