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  2. Encryption - Wikipedia

    en.wikipedia.org/wiki/Encryption

    A simple illustration of public-key cryptography, one of the most widely used forms of encryption. In cryptography, encryption (more specifically, encoding) is the process of transforming information in a way that, ideally, only authorized parties can decode.

  3. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    Lorenz cipher machine, used in World War II to encrypt communications of the German High Command. Cryptography , or cryptology (from Ancient Greek : κρυπτός , romanized : kryptós "hidden, secret"; and γράφειν graphein , "to write", or -λογία -logia , "study", respectively [ 1 ] ), is the practice and study of techniques for ...

  4. Encryption software - Wikipedia

    en.wikipedia.org/wiki/Encryption_software

    Stream ciphers typically encrypt plaintext a bit or byte at a time, and are most commonly used to encrypt real-time communications, such as audio and video information. The key is used to establish the initial state of a keystream generator, and the output of that generator is used to encrypt the plaintext.

  5. Data Secure by AOL

    help.aol.com/articles/data-secure-by-aol

    Encrypt the data you send: Private Wifi uses premium-level security to encrypt everything you send and receive on your computer or mobile device over public WiFi. Real-time data protection: DataMask by AOL creates a secure browsing experience by using anti-keylogging and anti-phishing software that helps protect you from internet threats and ...

  6. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    Because asymmetric key algorithms are nearly always much more computationally intensive than symmetric ones, it is common to use a public/private asymmetric key-exchange algorithm to encrypt and exchange a symmetric key, which is then used by symmetric-key cryptography to transmit data using the now-shared symmetric key for a symmetric key ...

  7. Let's Encrypt - Wikipedia

    en.wikipedia.org/wiki/Let's_Encrypt

    Let's Encrypt is a non-profit certificate authority run by Internet Security Research Group (ISRG) that provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. It is the world's largest certificate authority, [ 3 ] used by more than 400 million websites , [ 4 ] with the goal of all websites being secure and using ...

  8. Public key infrastructure - Wikipedia

    en.wikipedia.org/wiki/Public_key_infrastructure

    Diagram of a public key infrastructure. A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.

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