tree c8a8b79805d85ce265fef1e9196268acd2553d2c
parent 4fc21fdeb6ecff1165b1a7e77cea5676b8058ee0
author Gilles Peskine <Gilles.Peskine@arm.com> 1605299477 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> 1606149774 +0100

PSA: support HMAC_DRBG

Support using HMAC_DRBG instead of CTR_DRBG in the PSA subsystem.

Use HMAC_DRBG if CTR_DRBG is available. Choose between SHA-256 and
SHA-512 based on availability.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>