The term department of mathematics is identified in base64 scheme by the sequence ZGVwYXJ0bWVudCBvZiBtYXRoZW1hdGljcw==, while the MD5 signature is equal to bb0bf85e22e1e48c60680f1701bcb4dc. The ASCII encoding of department of mathematics in hexadecimal notation is 6465706172746d656e74206f66206d617468656d6174696373.