In cryptography, plaintext is usually ordinary readable text before it is encrypted into ciphertext, or readable text after it is decrypted. Data input to or output fromencryptionalgorithms is not always plaintext. For example, when data issuperencrypted, or encrypted more than once using differen...
Cryptography is the process of hiding or coding information so only the intended recipient can read a message. Discover how cryptography works and the potential risks it poses.
Cryptography provides for secure communication in the presence of malicious third-parties—known as adversaries. Encryption uses an algorithm and a key to transform an input (i.e., plaintext) into an encrypted output (i.e., ciphertext). A given algorithm will always transform the same plaintex...
In asymmetric encryption, a public key is used to encrypt a message and a private key is used to decrypt it. The exact technique used to scramble plaintext into ciphertext defines how cryptography works. Symmetric encryption, asymmetric encryption, blockchain, and digital signatures are some promi...
The process of cryptography starts with data in readable plaintext form that is converted to ciphertext and, ultimately, back to plaintext. Cryptology is about the scientific study of secure communications and using mathematical equations, frameworks and calculations to create strong security systems th...
The specific knowledge needed to revert a ciphertext into plaintext, known as the key, must be kept secret to ensure a message's security. To crack a cipher without its key takes great knowledge and skill. In the digital era, the goal of cryptography remains the same: to prevent informati...
Cryptography is frequently used to validate password authenticity while also obscuring stored passwords. In this way, services can authenticate passwords without the need to keep a plain text database of all passwords which might be vulnerable to hackers. ...
This method is also called secret-key or private-key cryptography because only a single key is used during the process. There are two main types of symmetric key cryptography: Stream Cipher - A streaming algorithm encrypts plaintext bit-by-bit, a single bit at a time. The same plaintext ...
using some systematic method, known as an algorithm. The original message, called plaintext, may be scrambled so its letters line up in an unintelligible order or each letter might be replaced with another. The resulting gibberish is known as a ciphertext, according toCrash Course Computer ...
Asymmetric encryption, otherwise known as public key encryption or cryptography, relies on two different keys for encoding and decoding data. The public key encrypts the plaintext, turning the message into ciphertext. The private key decrypts ciphertext, returning it to plaintext. The public key...