The term extemporization is identified in base64 scheme by the sequence ZXh0ZW1wb3JpemF0aW9u, while the MD5 signature is equal to 7b3921b298f2c2ea816f5ca9863d5dc0. The ASCII encoding of extemporization in hexadecimal notation is 657874656d706f72697a6174696f6e.