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为什么使用Bcrypt加密不需要加salt
KiseXu
·
Jun 28, 2013
· 10264 views
This topic created in 4692 days ago, the information mentioned may be changed or developed.
看到网上介绍使用Bcrypt不需要加salt,因为Bcrypt已经自己加了salt。
如果这是真的,这个salt在哪里,如果更换了服务器环境,加密出的值不就变了么?
在stackoverflow看到 :
http://stackoverflow.com/questions/14673005/how-does-phps-password-hash-generate-the-salt
说“The salt is created randomly.”我就更加困惑了,求指点,谢谢
salt
Bcrypt
加密
3 replies
•
1970-01-01 08:00:00 +08:00
1
lichao
Jun 28, 2013
hash 和 salt 放一起了吧
2
lichao
Jun 28, 2013
1
http://stackoverflow.com/questions/6832445/how-can-bcrypt-have-built-in-salts
3
KiseXu
OP
Jun 28, 2013
@
lichao
非常感谢,明白了
Bcrypt把算法版本、计算次数和salt都放到hash值里面去了.............
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