commit 67546802fe4106f91bb12a2f8882ee191716f63c
author Gilles Peskine <Gilles.Peskine@arm.com> Wed Feb 24 21:49:40 2021 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> Mon Mar 29 14:55:44 2021 +0200
tree 9541a6520b9445c64572ac1533db00050aa7f85a
parent 4a7074022a4f430ef661a0c695b6498b780bf5e8

New elliptic curve family: twisted Edwards

Add an elliptic curve family for the twisted Edwards curves
Edwards25519 and Edwards448 ("Goldilocks"). As with Montgomery curves,
since these are the only two curves in common use, the family has a
generic name.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

scripts/mbedtls_dev/crypto_knowledge.py

diff --git a/scripts/mbedtls_dev/crypto_knowledge.py b/scripts/mbedtls_dev/crypto_knowledge.py
index 02c0960..642e725 100644
--- a/scripts/mbedtls_dev/crypto_knowledge.py
+++ b/scripts/mbedtls_dev/crypto_knowledge.py
@@ -78,6 +78,7 @@
         'PSA_ECC_FAMILY_SECT_R2': (163,),
         'PSA_ECC_FAMILY_BRAINPOOL_P_R1': (160, 192, 224, 256, 320, 384, 512),
         'PSA_ECC_FAMILY_MONTGOMERY': (255, 448),
+        'PSA_ECC_FAMILY_TWISTED_EDWARDS': (256, 448),
     }
     KEY_TYPE_SIZES = {
         'PSA_KEY_TYPE_AES': (128, 192, 256), # exhaustive