Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Cryptography is the study and practice of secure communication by converting information into an unreadable format using mathematical algorithms. It involves techniques such as encryption, decryption, and key management.
Related terms
对称加密算法 (duìchèn jiāmiào suànfǎ): Symmetric encryption algorithm uses the same key for both encryption and decryption processes.
公钥加密算法 (gōngyào jiāmiào suànfǎ): Public key encryption algorithm uses a pair of keys, one for encryption and another for decryption, providing a more secure method of communication.
数字签名 (shùzì qiānmíng): Digital signature is a cryptographic technique that verifies the authenticity and integrity of digital messages or documents.