AES encryption of Android data encryption

preface:

In the project, in addition to RSA asymmetric encryption for login, payment and other interfaces, AES symmetric encryption is adopted. Today, let's learn about AES encryption.

Several other encryption methods: • RSA encryption for Android data encryption • AES encryption for Android data encryption • DES encryption for Android data encryption • MD5 encryption for Android data encryption • Base64 encoding algorithm for Android data encryption • Sha secure hash algorithm for Android data encryption

What is AES encryption?

Advanced Encryption Standard (AES), also known as Rijndael encryption method in cryptography, is a block encryption standard adopted by the federal government of the United States. This standard is used to replace the original DES, which has been analyzed by many parties and widely used all over the world.

Next, let's actually see how to implement it:

Introduction to aesutils class constants:

How to generate a random key?

AES key processing

AES encryption process

AES decryption process

Binary to character

Test procedure:

Running time:

It can be seen that the efficiency of symmetrical AES is relatively high.

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.