What is Bitmessage? Bitmessage is a decentralized, encrypted, peer-to-peer, trustless communication protocol that sends encrypted messages to one or multiple persons. Bitmessage uses public-key cryptography to encrypt a message and mix one encrypted message along with...
What is Identity-Based Encryption (IBE)? In the case of public-key encryption, every user gets his own public-private keypair using which anyone can start encrypted communication with the user. But, there is a problem. Public-key encryption mostly depends on public...
PGP is a widely known software program using which one can sign, encrypt, and decrypt documents, texts, or emails. It can even be used to encrypt a whole disk. But, we often see the terms PGP, OpenPGP, and GnuPG. Are they the same, or are they different? What is the...
SMTP, or Simple Mail Transfer Protocol, was first developed in 1982. At that time, it had very few security features. As a result, we gradually needed to make email communications more secure. We wanted features to digitally sign, encrypt, and decrypt emails. S/MIME...
SMTP, or Simple Mail Transfer Protocol, was first developed in 1982, and at that time, it had very few security features. Though at that time there were not many concerns, later it became a major security concern. For example, an attacker can perpetrate DNS hijacking...
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