Curve448 is not yet supported via the PSA API
Filed as https://github.com/ARMmbed/mbedtls/issues/4249. In the
meantime, disable the feature.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index ea82280..c46ed56 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -642,7 +642,8 @@
#define PSA_WANT_ECC_MONTGOMERY_255
#endif
-#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
+/* Curve448 is not yet supported via the PSA API (https://github.com/ARMmbed/mbedtls/issues/4249) */
+#if 0 && defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
#define MBEDTLS_PSA_BUILTIN_ECC_MONTGOMERY_448 1
#define PSA_WANT_ECC_MONTGOMERY_448
#endif
diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 97395d8..bad1e34 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -84,7 +84,8 @@
#define PSA_WANT_ECC_BRAINPOOL_P_R1_384 1
#define PSA_WANT_ECC_BRAINPOOL_P_R1_512 1
#define PSA_WANT_ECC_MONTGOMERY_255 1
-#define PSA_WANT_ECC_MONTGOMERY_448 1
+/* Curve448 is not yet supported via the PSA API (https://github.com/ARMmbed/mbedtls/issues/4249) */
+//#define PSA_WANT_ECC_MONTGOMERY_448 1
#define PSA_WANT_ECC_SECP_K1_192 1
#define PSA_WANT_ECC_SECP_K1_224 1
#define PSA_WANT_ECC_SECP_K1_256 1