Make multi-part AEAD operations thread-safe
The setup calls are the only calls to use a key ID.
The key is then copied into the operation object,
all future API calls use the copy instead of the key in the slot.
Simultaneous API calls on the same operation object are not thread-safe.
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index b16fac1..87444e1 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -4687,7 +4687,7 @@
operation->key_type = psa_get_key_type(&attributes);
exit:
- unlock_status = psa_unregister_read(slot);
+ unlock_status = psa_unregister_read_under_mutex(slot);
if (status == PSA_SUCCESS) {
status = unlock_status;