The term control operation is identified in base64 scheme by the sequence Y29udHJvbCBvcGVyYXRpb24=, while the MD5 signature is equal to 5c18aaf1d7492d275dbfc7c0aea87814. The ASCII encoding of control operation in hexadecimal notation is 636f6e74726f6c206f7065726174696f6e.