Digital signature application
introduction Digital signature can ensure the integrity and non repudiation of file data. This time, we will use the Java language to realize the digital signature and verification of files. The JDK of the Java language provides a rich cryptography class library. Elliptic curve ECDSA digital signature algorithm and SHA256 hash algorithm are ad ...
Added by rhyspaterson on Wed, 12 Jan 2022 09:31:18 +0200
RSA encryption and decryption using C language based on openssl Library under MacOS
RSA encryption and decryption using C language based on openssl Library under MacOS
1 install openssl and generate the key
First of all, of course, you should install OpenSSL (remember to look at the installation path here, which should be / usr / local / cell)/ openssl@3 Like):
brew install openssl
After installation:
cd /usr/local/inclu ...
Added by shapiro125 on Sun, 09 Jan 2022 10:45:43 +0200
c# encryption: IV. public key encryption and signature
1, Public key encryption
1. Overview
Public key encryption is asymmetric, so different keys are required for encryption and decryption. The key of symmetric encryption can be a string of arbitrary bytes with appropriate length. However, asymmetric encryption requires a pair of keys.
This key pair contains a public key and a private key. Toge ...
Added by jrws on Sun, 09 Jan 2022 09:27:03 +0200