recover an encryption key from a decryption key

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• Key (cryptography) — In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the… …   Wikipedia

• Disk encryption — uses disk encryption software or hardware to encrypt every bit of data that goes on a disk or disk volume. Disk encryption prevents unauthorized access to data storage. The term full disk encryption (or whole disk encryption) is often used to… …   Wikipedia

• Full disk encryption — (or whole disk encryption) is a kind of disk encryption software or hardware which encrypts every bit of data that goes on a disk or disk volume. The term full disk encryption is often used to signify that everything on a disk, including the… …   Wikipedia

• Optimal asymmetric encryption padding — This article is about the padding scheme used in public key cryptography. For the division of the Thailand Ministry of Science Technology and Environment entitled Office of Atomic Energy for Peace, see [1]. In cryptography, Optimal Asymmetric… …   Wikipedia

• Multiple encryption — Cryptography portal Multiple encryption is the process of encrypting an already encrypted message one or more times, either using the same or a different algorithm. The terms cascade encryption, cascade ciphering, multiple encryption, multiple… …   Wikipedia

• Hyper-encryption — is a form of encryption invented by Michael Rabin which uses a high bandwidth source of public random bits, together with a secret key that is shared by only the sender and recipient(s) of the message. It uses the assumptions of Ueli Maurer s… …   Wikipedia

• получать ключ шифрования из ключа дешифрования — — [[http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23]] Тематики защита информации EN recover an encryption key from a decryption key …   Справочник технического переводчика

• cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …   Universalium

• Information security — Components: or qualities, i.e., Confidentiality, Integrity and Availability (CIA). Information Systems are decomposed in three main portions, hardware, software and communications with the purpose to identify and apply information security… …   Wikipedia

• Encrypting File System — The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS[1] that provides filesystem level encryption. The technology enables files to be transparently encrypted to protect confidential data from… …   Wikipedia

• Coppersmith's Attack — describes a class of attacks on the public key cryptosystem RSA based on Coppersmith s theorem (see below). The public key in the RSA system is a tuple of integers (N,e), where N is the product of two primes p and q. The secret key is given by an …   Wikipedia