Transfer from http://www.smatrix.org/bbs/simple/index.php?t5591.html//////////////////////////////////////////////////////////////////////////////Directory1. PHP hash function and its application2. Symmetric cipher algorithm in PHP and its
From: http://blog.csdn.net/lele5000/article/details/6704247
Preface:
The implementation of MD5 and base64 functions is not the focus of this article. The focus is on the trouble of Character Set conversion during implementation.
Recently, due to
Official definition functions: Hashbytes ( '', { @input | 'input' } )::= MD2 | MD4 | MD5 | SHA | SHA1Parameter explanation:Algorithm: Identifies the hashing algorithm used to perform a hash operation on the input. This is a required parameter with
MD5 and sha1 are one-way encryption
Algorithm It is often used for password verification and other scenarios requiring encryption operations. In general, developers can write related functions themselves or use their own functions through Delphi or
http://msdn.microsoft.com/zh-cn/library/dn144699.aspx IntroductionIn SQL Server, the common table-to-table inner Join,outer Join is executed by the engine based on the selected column, the data is indexed, and the selected data is selectively
Summary: Cryptography is a technical science that studies the compilation of passwords (encryption: encode) and deciphering passwords (decryption: decode. The objective law of password change is studied. it is used to compile passwords to keep
CommentsSummary: cryptography is a technical science that studies the compilation of passwords (encryption: encode) and deciphering passwords (decryption: decode. The objective law of password change is studied. It is used to compile passwords to
Therefore, I am writing an article for you to get the administrator password. I generally do not like to leave Trojans or backdoors on the server, I prefer to use the Administrator to manage the server.
I wanted to focus on the methods of capturing
from:http://www.blackmoreops.com/2014/05/07/use-sqlmap-sql-injection-hack-website-database/0x00 Background Introduction
1. What is SQL injection?SQL injection is a code injection technique that used to attack data-driven applications such as
For server configuration level protection, should ensure that the production environment webserver is to turn off the error message, such as PHP in the production environment configuration file php.ini Display_errors should be set to off, so that
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.