The term persona non grata is identified in base64 scheme by the sequence cGVyc29uYSBub24gZ3JhdGE=, while the MD5 signature is equal to 5aa3204b52def3c79fed433be9a04a3d. The ASCII encoding of persona non grata in hexadecimal notation is 706572736f6e61206e6f6e206772617461.