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2. Key derivation function - Wikipedia

   en.wikipedia.org/wiki/Key_derivation_function

   Example of a Key Derivation Function chain as used in the Signal Protocol.The output of one KDF function is the input to the next KDF function in the chain. In cryptography, a key derivation function (KDF) is a cryptographic algorithm that derives one or more secret keys from a secret value such as a master key, a password, or a passphrase using a pseudorandom function (which typically uses a ...

3. Key (cryptography) - Wikipedia

   en.wikipedia.org/wiki/Key_(cryptography)

   Key agreement and key transport are the two types of a key exchange scheme that are used to be remotely exchanged between entities . In a key agreement scheme, a secret key, which is used between the sender and the receiver to encrypt and decrypt information, is set up to be sent indirectly.

4. Running key cipher - Wikipedia

   en.wikipedia.org/wiki/Running_key_cipher

   In classical cryptography, the running key cipher is a type of polyalphabetic substitution cipher in which a text, typically from a book, is used to provide a very long keystream. The earliest description of such a cipher was given in 1892 by French mathematician Arthur Joseph Hermann (better known for founding Éditions Hermann ).

5. Key exchange - Wikipedia

   en.wikipedia.org/wiki/Key_exchange

   Key exchange (also key establishment) is a method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm. In the Diffie–Hellman key exchange scheme, each party generates a public/private key pair and distributes the public key. After obtaining an authentic copy of each other's ...

6. A Brooklyn writer hid 12 keys across the US decades ago - AOL

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7. The keys to the writing nominees' episodes explained - AOL

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8. Public-key cryptography - Wikipedia

   en.wikipedia.org/wiki/Public-key_cryptography

   Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys. Each key pair consists of a public key and a corresponding private key. [1] [2] Key pairs are generated with cryptographic algorithms based on mathematical problems termed one-way functions.

9. Diffie–Hellman key exchange - Wikipedia

   en.wikipedia.org/wiki/Diffie–Hellman_key_exchange

   With Diffie–Hellman key exchange, two parties arrive at a common secret key, without passing the common secret key across the public channel. Diffie–Hellman ( DH ) key exchange [ nb 1 ] is a mathematical method of securely generating a symmetric cryptographic key over a public channel and was one of the first public-key protocols as ...