How to use sqlcipher tool to decrypt encrypted database under Windows system

window Under the system , How to use sqlcipher The tool decrypts the encrypted database

Demand background

At present, the database in my project is sqlcipher Encrypted , This article describes how to use sqlcipher Tools to decrypt , It has been used by testers and other developers .

Using tools

Tool download address , Extraction code 59jq

Specific decryption operations

1. Unzip the downloaded tool

2. open cmd Command the tool to bin Under the table of contents

3. Decrypt the existing encrypted database , Based on the project universal_encrypt.db For example , perform
sqlcipher-shell64.exe universal_encrypt.db Enter into sqlite in

4. Decrypt the database , Perform the following four operations

     1.PRAGMA key = '123456';
     2.ATTACH DATABASE 'plaintext.db' AS plaintext KEY '';
     3.SELECT sqlcipher_export('plaintext');
     4.DETACH DATABASE plaintext

5. finished decrypting , This plaintext.db Decrypt the database

Other uses

1. Create database

 1.sqlcipher-shell64.exe  encrypted .db
 2.PRAGMA key = 'password';
 3.create table encrypted (id integer, name text);
 4. .schema
     CREATE TABLE encrypted (id integer, name text);

2. Encrypt the existing database

 1.sqlcipher-shell64.exe  universal.db
 2.ATTACH DATABASE 'encrypted.db' AS encrypted KEY 'password';
 3.SELECT sqlcipher_export('encrypted');
 4.DETACH DATABASE encrypted;

3. Change Password
1.sqlite> PRAGMA rekey = ‘newPassword’;

4. Open encrypted database

1.sqlcipher-shell64.exe encrypted .db
2.PRAGMA key = ‘password’;
3. .schema

Reference article ：
https://blog.csdn.net/wengpanfeng/article/details/78406172