The term teaching certificate is identified in base64 scheme by the sequence dGVhY2hpbmcgY2VydGlmaWNhdGU=, while the MD5 signature is equal to e197f47e21e95d40b1fe18b63b45ee55. The ASCII encoding of teaching certificate in hexadecimal notation is 7465616368696e67206365727469666963617465.