The term population control is identified in base64 scheme by the sequence cG9wdWxhdGlvbiBjb250cm9s, while the MD5 signature is equal to 3a2d202201a7e6c2d4188be8dbe79b86. The ASCII encoding of population control in hexadecimal notation is 706f70756c6174696f6e20636f6e74726f6c.