What is Twofish? Is Twofish secure?
What is Twofish? Is Twofish secure? Twofish is the successor to Blowfish and, like its predecessor, uses symmetric encryption, so only one 256-bit key is necessary. This technique is one…
What is Blowfish in security? Who uses Blowfish?
Blowfish is the first symmetric encryption algorithm created by Bruce Schneier in 1993. Symmetric encryption uses a single encryption key to both encrypt and decrypt data. The sensitive data and…
What is TLS (Transport Layer Security)?
TLS is a security protocol that provides privacy and data integrity for Internet communications. Implementing TLS is standard practice for building secure web apps. What is Transport Layer Security (TLS)?…
How to encrypt a file with symmetric encryption – GnuPG
In this guide, you’ll learn how to encrypt a file using symmetric encryption. 1. Install GnuPG First, you need to install GnuPG on your operating system. GnuPG, or GPG as…
Public-key Cryptography Explanation
Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys. Each key pair consists of a public key and a corresponding private key.…
Encryption
In cryptography, encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Ideally, only…
Edward Snowden warns weakening encryption would have dire consequences: ‘Privacy is power.’
LONDON — Undermining encryption systems to give governments access to people’s personal messages would be a “colossal mistake” with fatal consequences, former U.S. whistleblower Edward Snowden has warned. “Privacy is…
Diffie-Hellman key exchange (exponential key exchange)
What is Diffie-Hellman key exchange (exponential key exchange)? Diffie-Hellman key exchange is a digital encryption method that securely exchanges cryptographic keys between two parties over a public channel without transmitting…
What is end-to-end encryption & how does it work?
Over the past few years, the vulnerability of social networks like Facebook or messaging apps like Chat has given rise to using end-to-end encrypted platforms to protect communications. Today, platforms…
IPsec (Internet Protocol Security)
What is IPsec (Internet Protocol Security)? IPsec (Internet Protocol Security) is a suite of protocols and algorithms… What is IPsec? IPsec stands for Internet Protocol Security. The IP part tells…