convert decimal to base64

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Inverse encoding table based on Inverse thinking of "square" jiam and jiemi and Base64

Statement: This article is intended for technical exchanges and is not intended for the "square" (the new version of the square educational administration system password processing method has also changed, just use this as an introduction ......)!

On the principle of Base64 coding and its implementation methods sharing _ related skills

First, Base64 coding principle Step 1: Convert all characters to ASCII code; Step 2: Convert the ASCII code into a 8-bit binary; Step 3: The binary 3 grouped into a group (less than 3 in the back of 0) a total of 24, and then split into 4 groups,

Principles and implementation of base64 encoding

I. Base64 encoding Principle Step 1: Convert all characters into ASCII codes;Step 2: Convert the ASCII code into an 8-bit binary code;Step 3: Combine the binary three into a group (less than three are supplemented with 0) with a total of 24 bits

MD5 and Base64

I. Brief description MD5: All called message digest algorithm 5 (Information digest algorithm), can be encrypted, but not decrypted, belong to one-way encryption, usually used for file verification BASE64: The 8-bit byte of any sequence is

Comparison between spear and shield-a wonderful base64 encoding [a series of contradictions is quite good]

Http://www.luocong.com/articles/show_article.asp? Article_id = 17   Download the example Program (6.93 KB) in this section) You should be a senior online reader, and the younger brother is brave enough to ask, when surfing the

Base64 principle Analysis

I. BASE64 code ORIGINWhy do you have Base64 code? Because some network transport channels do not support all bytes, such as traditional mail only supports the transmission of visible characters, such as ASCII code control characters can not be

Picture and Base64 encoded strings convert each other, and the picture and byte arrays convert each other

Convert images and Base64 encoded strings to each otherImportSun.misc.BASE64Decoder;ImportSun.misc.BASE64Encoder;ImportJava.io.*;/** * @authorLishupeng * @create 2017-05-06 pm 2:56 **/ Public classBase64test { Public Static voidMain (string[] args) {

BASE64 encoding and Conversion method

The following is a detailed description of how BASE64 is encoded.The so-called Base64, that is to choose 64 characters----lowercase letter A-Z, uppercase letter A-Z, number 0-9, the symbol "+", "/" (plus the "=" as the pad word, is actually 65

iOS development BASE64 encoding and encryption-related learning

One:. Base64 Supplement"' OBJC1.base64 Simple ExplanationDescription: Base64 can be a cornerstone of cryptography and is very important.Features: Arbitrary binary data can be BASE64 encodedResult: All data can be encoded as a text file that can be

BASE64 coding principle and Golang code invocation

I. Introduction to the Concept Base64 is a representation of binary data based on 64 printable characters. Because of 2^6=64, every 6 bits is a unit, corresponding to a printable character. 3 bytes have 24 bits, corresponding to 4 Base64 units, 3

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