The HTTP scheme was designed by Phillip Hallam-Baker at CERN in 1993 and does not incorporate subsequent improvements in authentication systems, such as the development of keyed-hash message authentication code (HMAC).
HTTP 构架由Phillip Hallam-Baker于1993年在CERN设计成的，并且没有吸收后续认证系统的改进，如基于密钥的雜湊訊息驗證碼HMAC的发展。