Ensure RSA test suite calls rsa_private with PRNG
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 5fa8a69..77b453c 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -43,16 +43,19 @@
                        const unsigned char *input, unsigned char *output,
                        size_t output_max_len )
 {
-    return( mbedtls_rsa_pkcs1_decrypt( (mbedtls_rsa_context *) ctx, NULL, NULL, mode, olen,
-                               input, output, output_max_len ) );
+    return( mbedtls_rsa_pkcs1_decrypt( (mbedtls_rsa_context *) ctx,
+                                       rnd_std_rand, NULL, mode, olen,
+                                       input, output, output_max_len ) );
 }
 int mbedtls_rsa_sign_func( void *ctx,
                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
                    int mode, mbedtls_md_type_t md_alg, unsigned int hashlen,
                    const unsigned char *hash, unsigned char *sig )
 {
-    return( mbedtls_rsa_pkcs1_sign( (mbedtls_rsa_context *) ctx, f_rng, p_rng, mode,
-                            md_alg, hashlen, hash, sig ) );
+    ((void) f_rng);
+    ((void) p_rng);
+    return( mbedtls_rsa_pkcs1_sign( (mbedtls_rsa_context *) ctx, rnd_std_rand, NULL, mode,
+                                    md_alg, hashlen, hash, sig ) );
 }
 size_t mbedtls_rsa_key_len_func( void *ctx )
 {