1. Kerberos 版本 4:
Kerberos 版本 4 是 Kerberos 软件的更新,Kerberos 软件是一种计算机网络身份验证系统。 Kerberos 版本 4 是一种基于 Web 的身份验证软件,用于在通过 DES 技术加密登录系统时对用户信息进行身份验证。它于 1980 年代后期推出。
2. Kerberos 第 5 版:
Kerberos 版本 5 是 Kerberos 版本 4 之后的 Kerberos 软件的更新版本,开发用于增强身份验证的安全性。 Kerberos 版本 5 在分布于企业的网络中提供单一身份验证服务。它于1993年推出。
Kerberos 版本 4 和 Kerberos 版本 5 之间的区别:
S.No. | Kerberos Version 4 | Kerberos Version 5 |
---|---|---|
1. | Kerberos version 4 was launched in late 1980s. | Kerberos version 5 was launched in 1993. |
2. | It provides ticket support. | It provides ticket support with extra facilities for forwarding, renewing and postdating tickets. |
3. | Kerberos version 4 works on the Receiver-makes-Right encoding system. | Kerberos version 5 works on the ASN.1 encoding system. |
4. | It does not support transitive cross-realm authentication. | It supports transitive cross-realm authentication. |
5. | It uses Data Encryption Standard technique for encryption. | It uses any encryption techniques as the cipher text is tagged with an encryption identifier. |
6. | In Kerberos version 4, the ticket lifetime has to be specified in units for a lifetime of 5 minutes. | In Kerberos version 5, the ticket lifetime is specified with the freedom of arbitrary time. |