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| /optee_os/core/drivers/crypto/caam/ |
| H A D | caam_rng.c | cbb7d5e5cef14218b8595d30091281e8326ce737 Wed May 29 06:57:18 UTC 2024 Sahil Malhotra <sahil.malhotra@nxp.com> driver: caam: disable RNG buffering
Previous design of keeping RNG data in a buffer and giving random number
to user from that buffer is vulnerable to attacks and also not NIST/FIPS
compliant.
So to make it more secure and NIST/FIPS compliant, will get random
number from CAAM on each user request.
Reference: Section 2.7 of NIST SP 800-90C
Signed-off-by: Sahil Malhotra <sahil.malhotra@nxp.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
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