commit eac6c757a27db9457b0f9301f4c0f654638b75d7
author Paul Elliott <paul.elliott@arm.com> Wed Sep 15 19:08:27 2021 +0100
committer Paul Elliott <paul.elliott@arm.com> Sun Sep 19 18:43:16 2021 +0100
tree 58e9cdbfaed0b9d6d0ac44b45d82fe506f922977
parent 12acb6bb4c4136ee53876ee6e80948646d7abcd0

Make nonce length check return error where it can

Signed-off-by: Paul Elliott <paul.elliott@arm.com>

library/psa_crypto_aead.c

diff --git a/library/psa_crypto_aead.c b/library/psa_crypto_aead.c
index 033dc82..46eb1c9 100644
--- a/library/psa_crypto_aead.c
+++ b/library/psa_crypto_aead.c
@@ -195,12 +195,10 @@
     }
     tag = ciphertext + plaintext_length;
 
-    if( mbedtls_aead_check_nonce_length( &operation, nonce_length )
-        != PSA_SUCCESS )
-    {
-        status = PSA_ERROR_NOT_SUPPORTED;
+    status = mbedtls_aead_check_nonce_length( &operation, nonce_length );
+
+    if( status != PSA_SUCCESS )
         goto exit;
-    }
 
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
     if( operation.alg == PSA_ALG_CCM )
@@ -310,12 +308,10 @@
     if( status != PSA_SUCCESS )
         goto exit;
 
-    if( mbedtls_aead_check_nonce_length( &operation, nonce_length )
-        != PSA_SUCCESS )
-    {
-        status = PSA_ERROR_NOT_SUPPORTED;
+    status = mbedtls_aead_check_nonce_length( &operation, nonce_length );
+
+    if( status != PSA_SUCCESS )
         goto exit;
-    }
 
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
     if( operation.alg == PSA_ALG_CCM )