what base64 encoding

OpenSSL symmetric encryption algorithm commands 1. symmetric encryption algorithm Overview The openssl Encryption Algorithm Library provides a wide range of symmetric encryption algorithms. We can use the symmetric encryption algorithm commands

Binary XML has aroused a lot of discussion. One reason is that relatively compact transmission formats are needed, especially for Web Services. The existing ready-to-use solution is compression. This tip illustrates how to use compression to prepare

What is base64? According to rfc2045, base64 is defined as base64 content Transfer Encoding. It is designed to describe the 8-bit bytes of any sequence as a form that is not easily recognized by people.   Why use base64? When designing this code, I

Transferred from: http://blog.chacuo.net/719.htmlBASE64 coding is the encoding method that we often use in our program development. It is a representation of binary data based on a 64 printable character. It is commonly used as a way to store and

Linux file encryption 1. base64 encoding/decoding when talking about how to send email attachments under the command line, many people think of uencode. You can also use base64 encoding. The following is the use of opensslbase64 encoding/decoding:

Brief introductionBase64is a representation of binary data based on 64 printable characters. Since 2 of the 6 is equal to 64, every 6 bits is a unit, corresponding to a printable character. Three bytes have 24 bits, corresponding to 4 Base64 cells, 3

From: http://www.blogjava.net/luchunwei/archive/2008/07/31/218918.html   Mime mail encoding methodBecause each ASCII character only occupies one byte (8 bit), and the maximum bit is 0, that is, the actual information in the ASCII characters is

IntroductionI believe that many people in the initial contact programming, are the character set mercilessly abused, especially the database of Chinese garbled problem, then the garbled is how to produce it? We all know that computers are stored and

Excerpt from: Https://www.liaoxuefeng.com/wiki/0014316089557264a6b348958f449949df42a6d3a2e542c000/ 001431954588961d6b6f51000ca4279a3415ce14ed9d709000Base64 is a method that represents any binary data in 64 characters .When we open exe jpg pdf

This article mainly introduces the use of Base64 module in Python to process character encoding tutorial, sample code based on the python2.x version, the need for friends can refer to the Base64 is a method that uses 64 characters to represent

base64 Encode and decode var base64encodechars = " abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/"; var base64decodechars = new Array (-1),-1,-1,-1,-1,-1,-1,-1,-1,-1, 1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1

Javascript| Code

If you use the Base64_encode and Base64_decode methods directly, the generated string may not apply to the URL address. The following method resolves the problem: URL-safe string encoding: Copy Code code as follows: function

unsigned char * base64= (unsigned char *) "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789+/="; CString Base64Encode (CString src,int srclen) {int n,buflen,i,j; static unsigned char *dst; CString buf=src; Buflen=n=srclen; dst=

2100, ' status ' => ' Error ', ' msg ' => ' unknown error. ']; $imgs = [' image/jpeg ' => ' jpeg ', ' image/jpg ' => ' jpg ', ' image/gif ' => ' gif ', ' Image/png ' => ' png ', ' text/html ' => ' html ', ' text/plain ' => ' txt ', '

Affected Versions: Bogofilter Vulnerability description: Bugtraq id: 41339Bogofilter is a package used to filter spam. When bogofilter processes Base64 encoded strings starting with equal signs (=), there is a single-byte overflow that can

Generate and parse Base64 encoded picturesThe picture is converted to Base64 string public static string Getimagestr (string imgfile) {//Convert picture file to byte array string and BASE64 encode it inputstream in = null; byte[] data =

#include "RLib.h"//////////////////////////////////////////////////////////////////////////const static unsigned int MAX_LINE_LENGTH = 76;const static char BASE64_ALPHABET [64] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', // 0 - 9'K', 'L'

Today, I browsed a piece of video news on Sina. I wanted to download the video file and read the source code of the webpage before I found that the JS script code in it was garbled, originally, the JS script of Sina video news was encrypted. Later,

PNG Image: WAV file: or: More