mbedtls/ChangeLog.d/ffdh-peerkey-check.txt
Manuel Pégourié-Gonnard 35aec41600 Add Changelog entry for FFDH missing peerkey check
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
2026-03-05 13:07:23 +01:00

7 lines
379 B
Plaintext

Security
* Fix missing validation of the peer's key in key agreement operations using
PSA_ALG_FFDH: low-order elements were not rejected as they should be. This
is a problem for protocols using FFDH that expect contributory behaviour,
that is, where neither party should be able to force the shared secret
into a small set. Found and reported by Kai Tian.