What is AS2 or Applicability Statement 2? Applicability Statement 2 (AS2) is a specification that allows data to be exchanged securely, even over an unencrypted HTTP connection. It works like an envelope where data can be embedded and transferred securely. AS2 is...
What is the Point-to-Point Protocol? Point-to-Point Protocol or PPP is a layer 2 or data link layer protocol that is used to establish a direct connection between two nodes in a network. It can provide authentication, encryption, and compression. This protocol is used...
Quantum Computers are computing systems that use Quantum Theory. They are different from digital computers and much more powerful. Quantum Computers are still in the nascent stage. But once they are in use, they can break the modern cryptosystem. Let's understand what...
When two hosts want to transfer sensitive data between them, they use encrypted communication. Both the hosts first connect to each other and authenticate themselves. After that, an encrypted connection is established, using which sensitive data are transferred. If a...
We use encryption to keep our sensitive data safe and secure. We take a plaintext message and encrypt it using a strong encryption key to generate the ciphertext. The purpose is that an adversary should not be able to retrieve the secret plaintext message from the...
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