HMAC or Hash-based Message Authentication Code is used for verifying the data integrity and the authenticity of a message. It uses symmetric key cryptography. Using a hash algorithm and a symmetric secret key a Message Authentication Code or MAC is generated. The MAC...
HMAC or Hash-based Message Authentication Code is a type of Message Authentication Code (MAC) using which we can verify the data integrity and the authenticity of a message. HMAC involves a hash function and a symmetric secret key. Using the hash function and the...
Using a cryptographic hash function, one can compute a fixed-length message hash from a message of any length. A good cryptographic hash function has the following properties: If we hash the same message, again and again, the hash function will always generate the...
In this article, we would implement the Diffie-Hellman Key Exchange algorithm in Python. In the last article, we explained how to implement the Diffie-Hellman Key Exchange algorithm using the pyDHE Python library. But, in this article, we would not use any Python...
Using the Diffie-Hellman Key Exchange protocol, a server and a client can securely compute a shared cryptographic key without sharing the actual secret key. Instead, they can share some shared parameters, and based on those the same secret cryptographic key can be...
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