The term chang kuo-lao is identified in base64 scheme by the sequence Y2hhbmcga3VvLWxhbw==, while the MD5 signature is equal to 31d281ee37ade45071e55d96a1305a01. The ASCII encoding of chang kuo-lao in hexadecimal notation is 6368616e67206b756f2d6c616f.