The term handicapped person is identified in base64 scheme by the sequence aGFuZGljYXBwZWQgcGVyc29u, while the MD5 signature is equal to 2797c28c5357490bc8cdc5e9cebc8f54. The ASCII encoding of handicapped person in hexadecimal notation is 68616e646963617070656420706572736f6e.