Test attempts to use a public key for a private-key operation
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/scripts/mbedtls_dev/crypto_knowledge.py b/scripts/mbedtls_dev/crypto_knowledge.py
index 73890f8..1bd011f 100644
--- a/scripts/mbedtls_dev/crypto_knowledge.py
+++ b/scripts/mbedtls_dev/crypto_knowledge.py
@@ -104,6 +104,10 @@
`self.name`.
"""
+ def is_public(self) -> bool:
+ """Whether the key type is for public keys."""
+ return self.name.endswith('_PUBLIC_KEY')
+
ECC_KEY_SIZES = {
'PSA_ECC_FAMILY_SECP_K1': (192, 224, 256),
'PSA_ECC_FAMILY_SECP_R1': (225, 256, 384, 521),
@@ -242,8 +246,17 @@
PAKE = 10
def requires_key(self) -> bool:
+ """Whether operations in this category are set up with a key."""
return self not in {self.HASH, self.KEY_DERIVATION}
+ def is_asymmetric(self) -> bool:
+ """Whether operations in this category involve asymmetric keys."""
+ return self in {
+ self.SIGN,
+ self.ASYMMETRIC_ENCRYPTION,
+ self.KEY_AGREEMENT
+ }
+
class AlgorithmNotRecognized(Exception):
def __init__(self, expr: str) -> None: