Return back to modifying input parameters in pkcs12_parse_pbe_params

Return back to modifying input parameters in pkcs12_parse_pbe_params
to avoid change in behaviour.

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tests/suites/test_suite_pkcs12.function b/tests/suites/test_suite_pkcs12.function
index 92b4d5d..3e8ff5b 100644
--- a/tests/suites/test_suite_pkcs12.function
+++ b/tests/suites/test_suite_pkcs12.function
@@ -101,6 +101,11 @@
     }
 
 #if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
+
+    pbe_params.tag = params_tag;
+    pbe_params.len = params_hex->len;
+    pbe_params.p = params_hex->x;
+
     my_ret = mbedtls_pkcs12_pbe_ext(&pbe_params, MBEDTLS_PKCS12_PBE_ENCRYPT, cipher_alg,
                                     md_alg, pw->x, pw->len, data->x, data->len, my_out,
                                     outsize, &my_out_len);
@@ -150,6 +155,11 @@
     }
 
 #if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
+
+    pbe_params.tag = params_tag;
+    pbe_params.len = params_hex->len;
+    pbe_params.p = params_hex->x;
+
     my_ret = mbedtls_pkcs12_pbe_ext(&pbe_params, MBEDTLS_PKCS12_PBE_DECRYPT, cipher_alg,
                                     md_alg, pw->x, pw->len, data->x, data->len, my_out,
                                     outsize, &my_out_len);