Скачать или смотреть The Fascinating World of Cryptography: How Secrets are Protected?

What is Cryptography?: Cryptography is the art of securing information by transforming it into unreadable formats.
The Origins: Cryptography dates back to ancient times when Caesar used simple ciphers to protect military messages.
Public and Private Keys: Modern cryptography often relies on two keys—a public one to encrypt and a private one to decrypt.
Symmetric vs. Asymmetric: Symmetric cryptography uses one key for both encryption and decryption, while asymmetric uses two.
Digital Signatures: Digital signatures verify authenticity, ensuring messages are from legitimate senders.
Hash Functions: Hashing scrambles data into a unique “hash” that is nearly impossible to reverse, adding security.
SSL/TLS: Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols protect online transactions and data.
Blockchain and Cryptography: Blockchain technology relies on cryptographic hashing to create secure, transparent records.
Quantum Cryptography: Quantum cryptography could be the next frontier, offering theoretically unbreakable encryption.
Brute Force Attacks: Attackers use brute force to guess passwords by trying all possible combinations, making strong keys vital.
Encryption Algorithms: Common algorithms like AES and RSA are widely used to secure data.
Cybersecurity Applications: Cryptography is fundamental in securing everything from emails to banking transactions.
Cryptography in Daily Life: Every time you send a secure message, make a payment, or browse the web, cryptography is at work.


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