The term sir alexander fleming is identified in base64 scheme by the sequence c2lyIGFsZXhhbmRlciBmbGVtaW5n, while the MD5 signature is equal to 30d7513fb5b40543080e4aa948387284. The ASCII encoding of sir alexander fleming in hexadecimal notation is 73697220616c6578616e64657220666c656d696e67.