Symmetric & Asymmetric Encryption

]] uses a single to both Encrypt and Decrypt data, making it faster but requiring secure . A is an algorithm used for Encryption, with operating on fixed-size Blocks of data and processing one bit at a time. (Advanced Encryption Standard) is a widely used Symmetric Encryption Cipher.

utilizes a , consisting of a for Encryption and a for . The is a popular method for Asymmetric Encryption. s are used for , ensuring the origin and integrity of data. Key Exchange is essential for in Asymmetric Encryption.

s issued by a contain a Public Key and are used for Authentication, providing . Public Keys are shared openly, while Private Keys must be kept secure. is a trust anchor in a Public Key Infrastructure. Certificate is necessary if a Digital Certificate becomes compromised.

Keywords

digital signature | cipher | authentication | private key | decryption | digital certificate | asymmetric encryption | symmetric [[encryption | aes | public key | root certificate | certificate authority | stream cipher | key pair | secure communication | key | block cipher | revocation | non-repudiation | rsa algorithm | key exchange |