The term step-up transformer is identified in base64 scheme by the sequence c3RlcC11cCB0cmFuc2Zvcm1lcg==, while the MD5 signature is equal to 0d28fb9a4b1890f6cd8a0988c5630ded. The ASCII encoding of step-up transformer in hexadecimal notation is 737465702d7570207472616e73666f726d6572.