AesDecryptCBC defines aes decryption with CBC.

AesEncryptCBC defines aes encryption with CBC.

AuthGenSessionKeyTS authnode generates a session key according to its master key and current timestamp.

Base64Decode Decoding using base64.

Base64Encode encoding using base64.

CreateClientX creates a https client.

DecodeMessage decode a message and verify its validity.

EncodeMessage encode a message with aes encrption, md5 signature.

GenSecretKey generate a secret key according to pair {ts, id}.

GenVerifier generate a verifier for replay mitigation in http.

CryptoKey store the session key.

Ticket is a temperary struct to store permissions/caps for clients to access principle.