The term deaf-and-dumb person is identified in base64 scheme by the sequence ZGVhZi1hbmQtZHVtYiBwZXJzb24=, while the MD5 signature is equal to e92212d42fb89beddf3a941c53e458c7. The ASCII encoding of deaf-and-dumb person in hexadecimal notation is 646561662d616e642d64756d6220706572736f6e.