Reubens, the actor and comic best known for playing the character Pee-wee Herman on TV and in films, died of cancer at age 70, according to an announcement posted on his Facebook page.
Read more: https://abcnews.go.com/GMA/Culture/video/pee-wee-herman-actor-paul-reubens-dead-age-101892179
Read also: Apple leaks detail all-new iPhone 15, iPhone 15 Pro design changes
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What is Cryptography?
Cryptography is the science and practice of securing communication and information by converting it into an unreadable format, known as ciphertext, using various mathematical algorithms and techniques. The purpose of cryptography is to protect the confidentiality, integrity, and authenticity of data, ensuring that only authorized parties can access and understand the information.
The field of cryptography has been around for centuries and has evolved significantly with the advancement of technology. It plays a crucial role in various aspects of modern life, such as securing online transactions, protecting sensitive information, authenticating users, and ensuring the privacy of communications.
There are two primary types of cryptography:
Symmetric Key Cryptography: In this approach, both the sender and the recipient use the same secret key to encrypt and decrypt the data. While this method is generally fast and efficient, the challenge lies in securely sharing the secret key between the communicating parties.
Public Key Cryptography: Also known as asymmetric cryptography, this method uses a pair of mathematically related keys: a public key and a private key. The public key is used for encryption, while the private key is kept secret and used for decryption. One can freely distribute the public key, allowing anyone to send encrypted messages, but only the recipient possessing the private key can decrypt and access the original information.
The field of cryptography involves various cryptographic algorithms and protocols, such as AES (Advanced Encryption Standard), RSA (Rivest-Shamir-Adleman), ECC (Elliptic Curve Cryptography), and SSL/TLS (Secure Socket Layer/Transport Layer Security), among others.
It's essential to keep in mind that while cryptography provides a strong level of security, it is not infallible. Cryptanalysts and attackers continuously work to break encryption algorithms, so cryptographic methods need to be periodically updated and improved to withstand evolving threats. Additionally, the secure implementation and management of cryptographic systems are crucial to ensuring their effectiveness.