The term penal institution is identified in base64 scheme by the sequence cGVuYWwgaW5zdGl0dXRpb24=, while the MD5 signature is equal to c401d12724bbc65a0507fa6bb6b1abdd. The ASCII encoding of penal institution in hexadecimal notation is 70656e616c20696e737469747574696f6e.