commit ef6aa5c46d299bdf0e03b91956880938782c6195
author Archana <archana.madhavan@silabs.com> Tue Jun 08 11:40:10 2021 +0530
committer Archana <archana.madhavan@silabs.com> Mon Jul 12 08:07:14 2021 +0530
tree 41416dc3e3c27eea489d845e1f8b92066d0a0667
parent 1d2e2bb8cce97ed81b725e5af54ffa5b7040473b

Support Curve448 via the PSA API

Enable Curve448 support
Add test vectors to evaluate
* RFC 7748
* a known-answer public key export test.
* a known-answer ECDH (X448) test.

Signed-off-by: Archana <archana.madhavan@silabs.com>

include/mbedtls/config_psa.h

diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index f182c52..9080cd1 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -433,11 +433,6 @@
 
 #if defined(PSA_WANT_ECC_MONTGOMERY_448)
 #if !defined(MBEDTLS_PSA_ACCEL_ECC_MONTGOMERY_448)
-/*
- * Curve448 is not yet supported via the PSA API in Mbed TLS
- * (https://github.com/ARMmbed/mbedtls/issues/4249).
- */
-#error "Curve448 is not yet supported via the PSA API in Mbed TLS."
 #define MBEDTLS_ECP_DP_CURVE448_ENABLED
 #define MBEDTLS_PSA_BUILTIN_ECC_MONTGOMERY_448 1
 #endif /* !MBEDTLS_PSA_ACCEL_ECC_MONTGOMERY_448 */
@@ -710,8 +705,7 @@
 #define PSA_WANT_ECC_MONTGOMERY_255
 #endif
 
-/* Curve448 is not yet supported via the PSA API (https://github.com/ARMmbed/mbedtls/issues/4249) */
-#if 0 && defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
+#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
 #define MBEDTLS_PSA_BUILTIN_ECC_MONTGOMERY_448 1
 #define PSA_WANT_ECC_MONTGOMERY_448
 #endif