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Cryptography

Encryption

TLS (Transport Layer Security) Encryption Encryption Key Hashing

Mathematical primitives and protocols for security.

Definition

Cryptography is the field of designing and analyzing algorithms and protocols that provide confidentiality, integrity, authenticity, and non-repudiation.

In plain English Mathematical primitives and protocols for security.

Why this matters

Why it matters: Strong cryptographic design underpins secure communications, authentication, and private storage.

Example

Example: Public-key cryptography for key exchange plus symmetric encryption for data.