The term leatherback turtle is identified in base64 scheme by the sequence bGVhdGhlcmJhY2sgdHVydGxl, while the MD5 signature is equal to 5f9f1afde612bae37b3051e7e54edd3f. The ASCII encoding of leatherback turtle in hexadecimal notation is 6c6561746865726261636b20747572746c65.