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  2. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    Since then, cryptography has become a widely used tool in communications, computer networks, and computer security generally. Some modern cryptographic techniques can only keep their keys secret if certain mathematical problems are intractable , such as the integer factorization or the discrete logarithm problems, so there are deep connections ...

  3. Encryption software - Wikipedia

    en.wikipedia.org/wiki/Encryption_software

    These tools rely upon the receiver publishing their public key, and the sender being able to obtain that public key. The sender is then able to create a symmetric key to encrypt the information, and then use the receiver's public key to securely protect the transmission of the information and the symmetric key.

  4. Encryption - Wikipedia

    en.wikipedia.org/wiki/Encryption

    Encryption is an important tool but is not sufficient alone to ensure the security or privacy of sensitive information throughout its lifetime. Most applications of encryption protect information only at rest or in transit, leaving sensitive data in clear text and potentially vulnerable to improper disclosure during processing, such as by a ...

  5. Cryptanalysis - Wikipedia

    en.wikipedia.org/wiki/Cryptanalysis

    Asymmetric cryptography (or public-key cryptography) is cryptography that relies on using two (mathematically related) keys; one private, and one public. Such ciphers invariably rely on "hard" mathematical problems as the basis of their security, so an obvious point of attack is to develop methods for solving the problem. The security of two ...

  6. Outline of cryptography - Wikipedia

    en.wikipedia.org/wiki/Outline_of_cryptography

    The following outline is provided as an overview of and topical guide to cryptography: Cryptography (or cryptology) – practice and study of hiding information. Modern cryptography intersects the disciplines of mathematics, computer science, and engineering. Applications of cryptography include ATM cards, computer passwords, and electronic ...

  7. Encyclopedia of Cryptography and Security - Wikipedia

    en.wikipedia.org/wiki/Encyclopedia_of...

    The Encyclopedia of Cryptography and Security is a comprehensive work on Cryptography for both information security professionals and experts in the fields of Computer Science, Applied Mathematics, Engineering, Information Theory, Data Encryption, etc. [1] It consists of 460 articles in alphabetical order and is available electronically and in print.

  8. RSA (cryptosystem) - Wikipedia

    en.wikipedia.org/wiki/RSA_(cryptosystem)

    The security of RSA relies on the practical difficulty of factoring the product of two large prime numbers, the "factoring problem". Breaking RSA encryption is known as the RSA problem. Whether it is as difficult as the factoring problem is an open question. [3] There are no published methods to defeat the system if a large enough key is used.

  9. OpenSSL - Wikipedia

    en.wikipedia.org/wiki/OpenSSL

    The OpenSSL project was founded in 1998 to provide a free set of encryption tools for the code used on the Internet. It is based on a fork of SSLeay by Eric Andrew Young and Tim Hudson, which unofficially ended development on December 17, 1998, when Young and Hudson both went to work for RSA Security.