Below you'll find a list of all posts that have been tagged as “cipher”
If you are getting into cryptography, or just trying to understand the fundamentals, you may have noticed that the exclusive-or operation is used quite often, especially in ciphers. What is XOR (⊕)? XOR, or “exclusive or” operates on binary data. It returns true if both of its inputs are opposites (one false and one true), otherwise, it returns false. An …
AES stands for “Advanced Encryption Standard” and is a specification that has selected the Rijndael cipher as its symmetric key ciphering algorithm. Using AES, a message can be encrypted with a key (like a password) and no one except the key holder can decrypt the message. This is useful for many reasons, but a good example is a password manager …
Qvault’s dual encryption allows users to require that two keys are needed to unlock their vault. A password, and a key card. You have probably heard of two factor authentication. According to Authy: 2FA is an extra layer of security used to make sure that people trying to gain access to an online account are who they say they are. Usually the …
