The term telephone directory is identified in base64 scheme by the sequence dGVsZXBob25lIGRpcmVjdG9yeQ==, while the MD5 signature is equal to b3b5ed2593cc0f17ab09cac2100537e0. The ASCII encoding of telephone directory in hexadecimal notation is 74656c6570686f6e65206469726563746f7279.