The term deaf-and-dumb is identified in base64 scheme by the sequence ZGVhZi1hbmQtZHVtYg==, while the MD5 signature is equal to f17d5f6a6b6cd5b8ce65373a52f0f612. The ASCII encoding of deaf-and-dumb in hexadecimal notation is 646561662d616e642d64756d62.