The term pocket-handkerchief is identified in base64 scheme by the sequence cG9ja2V0LWhhbmRrZXJjaGllZg==, while the MD5 signature is equal to d0c090632dcad5bd42c973a37aa15fb8. The ASCII encoding of pocket-handkerchief in hexadecimal notation is 706f636b65742d68616e646b65726368696566.