The term j. edgar hoover is identified in base64 scheme by the sequence ai4gZWRnYXIgaG9vdmVy, while the MD5 signature is equal to e9350f64d475334f7bbb8efc8d64e0cf. The ASCII encoding of j. edgar hoover in hexadecimal notation is 6a2e20656467617220686f6f766572.