what base64 encoding

base64

Most of the code found on the Internet does not support Chinese encoding and decoding. Some modifications have been made to support Chinese decoding. The encoding has not been completed yet. Public Key (1 to 3) as longPrivate const base64 =

If you use the Base64_encode and Base64_decode methods directly, the resulting string may not be applicable to the URL address. The following methods can be used to resolve the problem: URL-safe string encoding:Copy the Code code as

Void base64_encode (char * Out, const void * In _, int inlen) /* Raw bytes in quasi-big-Endian order to base 64 string (NUL-terminated )*/ {Const unsigned char * In = (const unsigned char *) in _;For (; inlen> = 3; inlen-= 3){* Out ++ = base64digits

Download the downloaded base64.zip file and compress it into your project. Then we can write a method to call it. It is very simple. I encapsulate a class to do it myself. In this way, the functions in the library are more transparent to me, and of

In recent projects, image security needs to be processed to ensure that users (even jailbreaking users) cannot view the images downloaded from the server. After a variety of methods, it is found that it is most convenient to use base64 to encode the

Unit encodingutil; Interface UsesSysutils, classes, types, encddecd; Function bytestobase64 (const Bytes: tbytearray): string;Function streamtobase64 (astream: tstream): string; Implementation Function bytestobase64 (const Bytes: tbytearray):

Many netizens have made a detailed introduction to the encoding and decoding rules of UTF16 and base64, so I will not go into details here. This article is also written by referring to the articles of many netizens. Here, we dedicate our writing to

'*************************************** * '* Module name: modbase64.bas '* module functions: base64 encoding and decoding functions ' * Author: lyserver '********************************** * ***** Option explicit '----------------------------

A project uses base64 encoded strings to PASS Parameters in different programming languages. The encoding result is consistent on various platforms. That is to say, PHP uses base64_encode encoding to determine whether the strings can be correctly

What is base64 coding and decoding are in reference toHttps://en.wikipedia.org/wiki/Base64Http://www.cnblogs.com/chengxiaohui/articles/3951129.htmlSample code in C + +. Please note that the code needs refinements as there are some warning in some

The problem is roughly title, simple binary conversion seems to only get 0 and 1 of the string, not binary data, want to know how to write this code, can try to use PHP built-in functions to implement The goal is to generate a shorter unique

Class ENCRYPTCALSS { var $key = 12; function encode ($txt) { for ($i =0; $i<> $txt [$i]=chr (Ord ($txt [$i]) + $this->key); } Return $txt =urlencode (Base64_encode (UrlEncode ($txt))); }

$aaaa =base64_encode (file_get_contents (' http://t10.baidu.com/it/u=3419096712,54017040&fm=55&s= 6a00f50b4aeb0298352025a50300a022&w=121&h=81&img. JPEG ')); File_put_contents ('./uploads/jquery.jpg ', file_get_contents (Base64_decode ($AAAA)))

Base64 is one of the most common encoding methods for transmitting 8Bit bytes of code on the network, and you can view rfc2045~rfc2049, which has a detailed specification of MIME. Here we share a way to convert a picture to a Base64 encoded format:

BASE64 coding is a kind of "anti-gentleman non-villain" encoding method. Widely used in the MIME protocol, as the transmission encoding of e-mail, the resulting encoding is reversible, the latter one or two bits may have "=", the generated encoding

In CSS, background can set the object's background style. such as color or use a picture instead, today I would like to say two more words is to use the parameters of a picture: image. To be precise, it should be background-image. We can use it this

BASE64 and other similar coding algorithms are commonly used to convert binary data to text data, which is intended to simplify storage or transmission. More specifically, the BASE64 algorithm is primarily used to convert binary data into ASCII

Let's start by asking why we're coding the picture base64. Base64 is one of the most common encoding methods for transmitting 8Bit byte code on the current network. The main purpose of Base64 is not to encrypt, but to convert some binary numbers

The code is as follows Copy Code /** Base64 Code*/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,