des crypt

Linux crypt function 1. Crypt definition #define _XOPEN_SOURCE/* See Feature_test_macros (7) */#include Char *crypt (const char *key, const char *salt); Above is the definition of crypt function seen by Man 3 crypt.See from the

Use crypt () in PHP for user authentication. The crypt () function returns a string encrypted with DES, Blowfish, or MD5. In different operating systems, the behavior of this function is different. some operating systems support more than one

Use crypt () in PHP to implement user authentication. read the instructions in PHP to use crypt () for user authentication. if you do not want to develop new encryption algorithms in PHP applications, you can also use the crypt () function provided

DES (Data Encryption Standard) is a group symmetric cipher algorithm . des employs a 64-bit packet length and a 56-bit key length , which takes 64-bit inputs through a series of transformations to get 64-bit output. Decryption uses the same steps

"Summary" as long as a bit of the experience of using a non-Windows platform may be familiar to crypt (), this function is called one-way encryption function, it can encrypt some of the code, but can not in turn to convert the password to the

There are many encryption functions in php functions, one of which can implement data encryption functions is called the crypt () function. The crypt () function uses a one-way algorithm without corresponding decryption functions. It returns a

Learn crypt () As long as there is a bit of experience with non-Windows platform readers can be quite familiar with crypt (), this function is called one-way encryption function, it can encrypt some plaintext, but not in turn, the password is

The crypt () function returns a string encrypted with DES, Blowfish, or MD5. In different operating systems, the behavior of this function is different. Some operating systems support more than one algorithm type. During installation, PHP checks

In the development of PHP applications, if you do not want to develop new encryption algorithms, you can also use the crypt () function of PHP to complete the one-way encryption function. 　　 Understanding Crypt () As long as you have a bit of

Data encryptionData encryption uses cryptography technology to encrypt information, realize the concealment of information, and thus play a role in protecting information security. It uses the encryption algorithm and the encryption key to process