Mastering Cryptography: Types and Key Concepts 🔐

Definition: Cryptography is the practice of encoding
information to make it confidential, integrity-protected, and
authentic.
❑ Key Elements:
▪ Encryption: The process of converting plaintext into
ciphertext using an algorithm and encryption key.
▪ Decryption: The reverse process of converting ciphertext
back into plaintext using a decryption key.
▪ Keys: Secret keys (symmetric cryptography) or publicprivate key pairs (asymmetric cryptography) are used to
perform encryption and decryption.
▪ Security Goals: Cryptography aims to achieve
confidentiality, integrity, authenticity, and non-repudiation of
data.
▪ Applications: Cryptography is used in various applications
including secure communication (e.g., HTTPS), data
protection, digital signatures, and secure authentication.