Return 0 from csr_w_ed25519_example and rsa-public-decrypt-app

Author: aidangarske

certgen/csr_w_ed25519_example.c

@@ -121,6 +121,10 @@ int main(void)
     }
     printf("%s", pem);
 
+    /* wc_DerToPem returns a length, so only a negative value is an error */
+    if (ret > 0)
+        ret = 0;
+
 exit:
     wc_ForceZero(der, sizeof(der));
     wc_ForceZero(pem, sizeof(pem));

pk/enc-through-sign-rsa/rsa-public-decrypt-app.c

@@ -91,6 +91,11 @@ int main(void)
     check_ret(ret, "wc_RsaSSL_Verify");
     printf("Here is the recovered AES KEY!\n%s\n", plain);
 
+    /* wc_RsaSSL_Verify returns the recovered length, so only a negative value
+     * is an error */
+    if (ret > 0)
+        ret = 0;
+
     return ret;
 }