Remove mbedtls_ and psa_ prefix from var names

Remove the mbedtls and psa prefixes from variable
names in order to make clearer what is part of
the API and what is just part of the demo program.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/programs/psa/psa_hash.c b/programs/psa/psa_hash.c
index 59375c2..abfc191 100644
--- a/programs/psa/psa_hash.c
+++ b/programs/psa/psa_hash.c
@@ -41,10 +41,10 @@
         0x20, 0x1f, 0x61, 0xfc, 0x3d, 0xe2, 0x0d, 0x5a                          \
 }
 
-const uint8_t mbedtls_test_sha256_hash[] = TEST_SHA256_HASH;
+const uint8_t test_sha256_hash[] = TEST_SHA256_HASH;
 
-const size_t mbedtls_test_sha256_hash_len =
-    sizeof(mbedtls_test_sha256_hash);
+const size_t test_sha256_hash_len =
+    sizeof(test_sha256_hash);
 
 #if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(PSA_WANT_ALG_SHA_256)
 int main(void)
@@ -61,8 +61,8 @@
     psa_status_t status;
     uint8_t hash[PSA_HASH_LENGTH(HASH_ALG)];
     size_t hash_length;
-    psa_hash_operation_t psa_hash_operation = PSA_HASH_OPERATION_INIT;
-    psa_hash_operation_t cloned_psa_hash_operation = PSA_HASH_OPERATION_INIT;
+    psa_hash_operation_t hash_operation = PSA_HASH_OPERATION_INIT;
+    psa_hash_operation_t cloned_hash_operation = PSA_HASH_OPERATION_INIT;
 
     mbedtls_printf("PSA Crypto API: SHA-256 example\n\n");
 
@@ -74,45 +74,45 @@
 
     /* Compute hash using multi-part operation */
 
-    status = psa_hash_setup(&psa_hash_operation, HASH_ALG);
+    status = psa_hash_setup(&hash_operation, HASH_ALG);
     if (status != PSA_SUCCESS) {
         mbedtls_printf("psa_hash_setup failed\n");
-        psa_hash_abort(&psa_hash_operation);
-        psa_hash_abort(&cloned_psa_hash_operation);
+        psa_hash_abort(&hash_operation);
+        psa_hash_abort(&cloned_hash_operation);
         return EXIT_FAILURE;
     }
 
-    status = psa_hash_update(&psa_hash_operation, buf, sizeof(buf));
+    status = psa_hash_update(&hash_operation, buf, sizeof(buf));
     if (status != PSA_SUCCESS) {
         mbedtls_printf("psa_hash_update failed\n");
-        psa_hash_abort(&psa_hash_operation);
-        psa_hash_abort(&cloned_psa_hash_operation);
+        psa_hash_abort(&hash_operation);
+        psa_hash_abort(&cloned_hash_operation);
         return EXIT_FAILURE;
     }
 
-    status = psa_hash_clone(&psa_hash_operation, &cloned_psa_hash_operation);
+    status = psa_hash_clone(&hash_operation, &cloned_hash_operation);
     if (status != PSA_SUCCESS) {
         mbedtls_printf("PSA hash clone failed");
-        psa_hash_abort(&psa_hash_operation);
-        psa_hash_abort(&cloned_psa_hash_operation);
+        psa_hash_abort(&hash_operation);
+        psa_hash_abort(&cloned_hash_operation);
         return EXIT_FAILURE;
     }
 
-    status = psa_hash_finish(&psa_hash_operation, hash, sizeof(hash), &hash_length);
+    status = psa_hash_finish(&hash_operation, hash, sizeof(hash), &hash_length);
     if (status != PSA_SUCCESS) {
         mbedtls_printf("psa_hash_finish failed\n");
-        psa_hash_abort(&psa_hash_operation);
-        psa_hash_abort(&cloned_psa_hash_operation);
+        psa_hash_abort(&hash_operation);
+        psa_hash_abort(&cloned_hash_operation);
         return EXIT_FAILURE;
     }
 
     status =
-        psa_hash_verify(&cloned_psa_hash_operation, mbedtls_test_sha256_hash,
-                        mbedtls_test_sha256_hash_len);
+        psa_hash_verify(&cloned_hash_operation, test_sha256_hash,
+                        test_sha256_hash_len);
     if (status != PSA_SUCCESS) {
         mbedtls_printf("psa_hash_verify failed\n");
-        psa_hash_abort(&psa_hash_operation);
-        psa_hash_abort(&cloned_psa_hash_operation);
+        psa_hash_abort(&hash_operation);
+        psa_hash_abort(&cloned_hash_operation);
         return EXIT_FAILURE;
     } else {
         mbedtls_printf("Multi-part hash operation successful!\n");
@@ -128,16 +128,16 @@
                               &hash_length);
     if (status != PSA_SUCCESS) {
         mbedtls_printf("psa_hash_compute failed\n");
-        psa_hash_abort(&psa_hash_operation);
-        psa_hash_abort(&cloned_psa_hash_operation);
+        psa_hash_abort(&hash_operation);
+        psa_hash_abort(&cloned_hash_operation);
         return EXIT_FAILURE;
     }
 
-    for (size_t j = 0; j < mbedtls_test_sha256_hash_len; j++) {
-        if (hash[j] != mbedtls_test_sha256_hash[j]) {
+    for (size_t j = 0; j < test_sha256_hash_len; j++) {
+        if (hash[j] != test_sha256_hash[j]) {
             mbedtls_printf("One-shot hash operation failed!\n\n");
-            psa_hash_abort(&psa_hash_operation);
-            psa_hash_abort(&cloned_psa_hash_operation);
+            psa_hash_abort(&hash_operation);
+            psa_hash_abort(&cloned_hash_operation);
             return EXIT_FAILURE;
         }
     }
@@ -146,7 +146,7 @@
 
     mbedtls_printf("The SHA-256( '%s' ) is:\n", buf);
 
-    for (size_t j = 0; j < mbedtls_test_sha256_hash_len; j++) {
+    for (size_t j = 0; j < test_sha256_hash_len; j++) {
         if (j % 8 == 0) {
             mbedtls_printf("\n    ");
         }
@@ -158,4 +158,4 @@
     mbedtls_psa_crypto_free();
     return EXIT_SUCCESS;
 }
-#endif /* MBEDTLS_PSA_CRYPTO_C && PSA_WANT_ALG_SHA_256 */
+#endif /* MBEDTLS_PSA_CRYPTO_C && PSA_WANT_ALG_SHA_256 */
\ No newline at end of file