diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 4f1fd7d91..62334dd6b 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -1791,7 +1791,7 @@ psa_status_t psa_asymmetric_sign(psa_key_slot_t key,
  * \param salt_length       Size of the \c salt buffer in bytes.
  *                          If \c salt is \c NULL, pass 0.
  * \param signature         Buffer containing the signature to verify.
- * \param signature_size    Size of the \c signature buffer in bytes.
+ * \param signature_length  Size of the \c signature buffer in bytes.
  *
  * \retval PSA_SUCCESS
  *         The signature is valid.
@@ -1812,7 +1812,7 @@ psa_status_t psa_asymmetric_verify(psa_key_slot_t key,
                                    const uint8_t *salt,
                                    size_t salt_length,
                                    const uint8_t *signature,
-                                   size_t signature_size);
+                                   size_t signature_length);
 
 #define PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg)     \
     (PSA_KEY_TYPE_IS_RSA(key_type) ?                                    \
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index c7a44f6a7..35adbb4ae 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1742,7 +1742,7 @@ psa_status_t psa_asymmetric_verify( psa_key_slot_t key,
                                     const uint8_t *salt,
                                     size_t salt_length,
                                     const uint8_t *signature,
-                                    size_t signature_size )
+                                    size_t signature_length )
 {
     key_slot_t *slot;
     psa_status_t status;
@@ -1768,7 +1768,7 @@ psa_status_t psa_asymmetric_verify( psa_key_slot_t key,
         if( status != PSA_SUCCESS )
             return( status );
 
-        if( signature_size < rsa->len )
+        if( signature_length < rsa->len )
             return( PSA_ERROR_BUFFER_TOO_SMALL );
 #if defined(MBEDTLS_PKCS1_V15)
         if( PSA_ALG_IS_RSA_PKCS1V15_SIGN( alg ) )
@@ -1815,7 +1815,7 @@ psa_status_t psa_asymmetric_verify( psa_key_slot_t key,
         int ret;
         (void) alg;
         ret = mbedtls_ecdsa_read_signature( ecdsa, hash, hash_length,
-                                            signature, signature_size );
+                                            signature, signature_length );
         return( mbedtls_to_psa_error( ret ) );
     }
     else