commit 8a05a646f4bc0378f9e491205e5b9360e18517bd
author Przemek Stekiel <przemyslaw.stekiel@mobica.com> Thu Oct 06 17:01:58 2022 +0200
committer Przemek Stekiel <przemyslaw.stekiel@mobica.com> Thu Oct 06 17:01:58 2022 +0200
tree f4dea0eff5c0f757059efc4fbf9a794fd111cc66
parent c1ceae48486d7cd7229fb43f76cc9dc3bd0b45f2

Remove psa_driver_get_tag_len() and use PSA_ALG_AEAD_GET_TAG_LENGTH macro instead

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index e45b5d7..aef18ac 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -3711,11 +3711,7 @@
 
 static psa_status_t psa_validate_tag_length( psa_aead_operation_t *operation,
                                              psa_algorithm_t alg ) {
-    uint8_t tag_len = 0;
-    if( psa_driver_get_tag_len( operation, &tag_len ) != PSA_SUCCESS )
-    {
-        return( PSA_ERROR_INVALID_ARGUMENT );
-    }
+    const uint8_t tag_len = PSA_ALG_AEAD_GET_TAG_LENGTH( alg );
 
     switch( PSA_ALG_AEAD_WITH_SHORTENED_TAG( alg, 0 ) )
     {

library/psa_crypto_driver_wrappers.h

diff --git a/library/psa_crypto_driver_wrappers.h b/library/psa_crypto_driver_wrappers.h
index 12c649d..ee23b6f 100644
--- a/library/psa_crypto_driver_wrappers.h
+++ b/library/psa_crypto_driver_wrappers.h
@@ -226,10 +226,6 @@
     const uint8_t *ciphertext, size_t ciphertext_length,
     uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
 
-psa_status_t psa_driver_get_tag_len(
-    psa_aead_operation_t *operation,
-    uint8_t *tag_len );
-
 psa_status_t psa_driver_wrapper_aead_encrypt_setup(
     psa_aead_operation_t *operation,
     const psa_key_attributes_t *attributes,

scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja

diff --git a/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja b/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
index a5ae6a2..8ef2e6d 100644
--- a/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
+++ b/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
@@ -1616,22 +1616,6 @@
     }
 }
 
-psa_status_t psa_driver_get_tag_len( psa_aead_operation_t *operation,
-                                     uint8_t *tag_len )
-{
-    if( operation == NULL || tag_len == NULL )
-        return( PSA_ERROR_INVALID_ARGUMENT );
-
-#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
-#if defined(PSA_CRYPTO_DRIVER_TEST)
-    *tag_len = operation->ctx.transparent_test_driver_ctx.tag_length;
-    return ( PSA_SUCCESS );
-#endif
-#endif
-    *tag_len = operation->ctx.mbedtls_ctx.tag_length;
-    return ( PSA_SUCCESS );
-}
-
 psa_status_t psa_driver_wrapper_aead_encrypt_setup(
    psa_aead_operation_t *operation,
    const psa_key_attributes_t *attributes,