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See a very good article, introduced the system in the password to save the various problems encountered and solutions. Not much to say, directly on the code, the original link in the last /* * Password Hashing with PBKDF2

Reference documentsHttp://www.cnblogs.com/richardlee/articles/2511321.htmlHttps://en.wikipedia.org/wiki/Salt_%28cryptography%29Https://www.91ri.org/7593.htmlWhy can't the password store be clear text?If the account password is stored in plaintext,

(a) Why do I use hash functions to encrypt passwords If you need to save a password (such as a website user's password), you should consider how to protect the password data, and it is extremely unsafe to write the password directly to the database

MD5 's encryption has been out for a long time, is not a special new technology, the purpose of writing this is also a bit like a note to yourself, after all, the function of encryption is not used, up to write a class, not to call the good, afraid

We cannot directly store user password in the database.What need to does is creating a hashed & salted string which reperstanting the user password.This password was not reverable. And very hard for hacker to guess what's the origial password by

First of all we need to understand what CODEC means. It is Coder + Decoder = Codec, which is the encoder decoder. That is, the encoder is also the decoder.Website address: http://commons.apache.org/proper/commons-codec/Apache Commons Codec (TM)

Update #2: This article has been updated over at http://retrorabble.wordpress.com/2013/10/12/cracking-cisco-password-hashes-part-2/ UPDATE: See bottom of post for a way to run MD5 cracking on Linux Well, I managed to find this information out by

At the beginning of this year, a well-known cloud recording software vendor reported that data was stolen, forcing the company to reset the password of 50 million users and urgently notifying users to set a new password. Subsequently, the company

Abstract class accelerator shortcut keys Accelerator Mapping Shortcut Mappings Accelerator table accelerator tables access modifier access modifier access Pack Package access specifier Access Descriptor access violation access violation

1. Is there an efficient CSV export tool?Phoenix provides Bulkload tools that enable users to efficiently import data from large data volumes into HBase via Phoenix, so does Phoenix also have a tool class for efficiently exporting CSV data?Some