From 4ceb71f53de514bb3d5255c30537582aaf3ddd0a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?= <manuel.pegourie-gonnard@arm.com> Date: Thu, 26 Sep 2024 09:45:45 +0200 Subject: [PATCH] Update and refine notes on restartable ECC and 4.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> --- docs/architecture/psa-migration/psa-limitations.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/docs/architecture/psa-migration/psa-limitations.md b/docs/architecture/psa-migration/psa-limitations.md index 6dca0bce29..235f331bd4 100644 --- a/docs/architecture/psa-migration/psa-limitations.md +++ b/docs/architecture/psa-migration/psa-limitations.md @@ -14,7 +14,10 @@ Limitations relevant for G1 (performing crypto operations) Executive summary ----------------- -- Restartable/interruptible ECC operations: support in PSA will be added in 4.0. +- Restartable/interruptible ECC operations: some operations (`sign_hash`) are + already supported in PSA, but not used by TLS. The remaining operations +(ECDH `key_agreement` and `export_public`) will be implemented in 4.0 or 4.x, +and used by TLS in 4.x. - Arbitrary parameters for FFDH: use in TLS will be dropped in 4.0. - RSA-PSS parameters: already implemented safe though arguably non-compliant solution in Mbed TLS 3.4, no complaints so far.