If the match succeeds, a symmetric key is created that permits reversible encryption.

如果匹配成功，则创建允许可逆加密的对称密钥。

youdao

MD5 encryption algorithm, non-reversible encryption algorithm, for safety-related work.

说明：MD5加密算法，属于不可逆加密算法，用于安全相关管理工作。

youdao

This all assumes that the original VFP developer did it properly and used an non-reversible encryption method.

这一切都假定原始vfp开发商也不当，使用不可逆的加密方法。

youdao

It also means that VoIP and broadband providers must use reversible-encryption if they want "secure" calling, which, of course, is a matter of time before it's broken and anyone can tap anything at anytime.

ENGADGET: FCC votes 5-0 to tap VoIP calls