继续跟踪调用的decrypt方法 发现这里用的是PBE算法加密，PBE——Password-based encryption（基于密码加密）。其特点在于口令由用户自己掌管，不借助任何物理媒体；采用随机数（这里我们叫做盐）杂凑多重加密等方法保证数据的安全性。
基于10个网页-相关网页
... Path Validation（路径验证） PBE: Password-based encryption（基于密码的验证） PCBC: Plaintext cipher block chaining(明文密码块链接) ...
基于1个网页-相关网页
Password-based Encryption Standard 密码基植加密标准
Encrypted cryptographic key, which need to be saved in the extern media, was encrypted with Password-Based Encryption technology and was saved in the computer file system.
对于系统中需要外在的物理媒介来保存的加密密钥，使用基于口令的加密技术对密钥加密，将密钥保存在计算机文件系统中。
EKE is a kind of key exchange protocol based on week password and can resist offline dictionary attacks by use of symmetric key encryption and public key encryption.
EKE协议是基于弱口令的密钥交换协议，通过使用对称密钥加密体制和公钥加密体制，能够很好地抵抗离线字典攻击。
Password options such as encryption and whether to support password recovery based on a user-specific question.
密码选项，如加密和是否支持基于用户特定的问题的密码恢复。
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