Hash
Hash, the general translation to do "hash", there is a direct transliteration of "hash", is the arbitrary length of the input (also known as pre-mapping, pre-image), through the hash algorithm, transformed into a fixed-length output,
View:Verifying the integrity of downloaded files under Linux (MD5,SHA1,PGP)Http://blog.useasp.net/archive/2014/03/29/use-md5-sha1-or-pgp-to-check-downloaded-file-integrity-on-linux.aspxLinux is always difficult to learn, but sometimes, but found
Author: hackest [h.s. T.]Source: hackest's blog
Http://www.hackest.cn/post/102/
Introduction
I have been wondering, in what way can I control the permissions that have been obtained for a long time? Webshell, Trojan, or even rootkit? The webshell
Script Function
The script is written in Perl to calculate the MD5 value of the file.
Script usage
After installing the operating system, the server calculates the MD5 values of all the binary files in the PATH variable, calculates the MD5 values of
The simple Java encryption algorithm is:BASE64 strictly speaking, it belongs to the encoding format, not the encryption algorithmMD5 (Message Digest algorithm 5, Information Digest algorithm)SHA (Secure Hash algorithm, security hashing
Hash tableA hash table (Hashtable), also known as a hash, is a collection of index key (key) and value pairs that are organized according to the hash program code of the index key (Hashtable). The Hashtable object is made up of a hash bucket (bucket)
MD5 Introduction
MD5 's full name, Message-digest algorithm 5, was developed by the MIT Computer Science Lab and RSA Data Security Inc in the early 90, through MD2, MD3 and MD4.
Message-digest refers to the hash transformation of a byte string
Target platform: LOONGSON-1B Development Board
Kernel: Linux 3.0
Compiling platform: ubuntu10.04
Cross tool chain: gcc-3.4.6-2f
Note: The following actions are performed under root user
Brief Introduction
This article is intended to provide
To put it bluntly, here we mainly describe some encryption and decryption algorithms implemented by Java, and finally introduce digital certificates. For example, the basic one-way encryption algorithm:
Base64 strictly speaking, it belongs to the
MD5 (Message-digestalgorithm 5) is one of the most widely used hashing algorithms in computers. It can be used to convert data into a fixed set of values , the predecessor of which is mainly MD2, MD3 and MD4 algorithms. The MD2 algorithm was
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