The term secretary of transportation is identified in base64 scheme by the sequence c2VjcmV0YXJ5IG9mIHRyYW5zcG9ydGF0aW9u, while the MD5 signature is equal to c30161c49999d24d9a9178568bbf7751. The ASCII encoding of secretary of transportation in hexadecimal notation is 736563726574617279206f66207472616e73706f72746174696f6e.