How to Use DM-Crypt to encrypt a Linux File System?
Readers often ask us how to implement a file system encryption method for Linux. Before discussing this topic in depth, I would like to clarify two points:
First, it is difficult to find enough
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
"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
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
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
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
When UbuntuLinux uses an encrypted file system, data security can be well protected. In this case, even if we send our machines to hackers, as long as they do not have a key, the data they see will only be a bunch of garbled characters and there 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
If you do not want to develop new encryption algorithms for PHP applications, you can use the crypt () function provided by PHP to complete one-way encryption ()
Anyone who has experience using a non-Windows platform may be familiar with crypt ().
Understanding crypt ()
Anyone who has experience using a non-Windows platform may be familiar with crypt (). This function is called one-way encryption and can encrypt some plain codes, however, the password cannot be converted to the original
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.