The term henry david thoreau is identified in base64 scheme by the sequence aGVucnkgZGF2aWQgdGhvcmVhdQ==, while the MD5 signature is equal to d90e3e6fa96e5fb7e89c9283a8682000. The ASCII encoding of henry david thoreau in hexadecimal notation is 68656e72792064617669642074686f72656175.