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randomized encryption

См. также в других словарях:

  • Deniable encryption — In cryptography and steganography, deniable encryption is encryption that allows its users to convincingly deny that the data is encrypted, or that they are able to decrypt it[citation needed]. Such convincing denials may or may not be genuine.… …   Wikipedia

  • Deterministic encryption — A deterministic encryption scheme (as opposed to a probabilistic encryption scheme) is a cryptosystem which always produces the same ciphertext for a given plaintext and key, even over separate executions of the encryption algorithm. Examples of… …   Wikipedia

  • Chosen-plaintext attack — A chosen plaintext attack (CPA) is an attack model for cryptanalysis which presumes that the attacker has the capability to choose arbitrary plaintexts to be encrypted and obtain the corresponding ciphertexts. The goal of the attack is to gain… …   Wikipedia

  • Cryptographic hash function — A cryptographic hash function (specifically, SHA 1) at work. Note that even small changes in the source input (here in the word over ) drastically change the resulting output, by the so called avalanche effect. A cryptographic hash function is a… …   Wikipedia

  • Personal health record — A personal health record or PHR is typically a health record that is initiated and maintained by an individual. An ideal PHR would provide a complete and accurate summary of the health and medical history of an individual by gathering 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

  • RSA — In cryptography, RSA is an algorithm for public key cryptography. It is the first algorithm known to be suitable for signing as well as encryption, and one of the first great advances in public key cryptography. RSA is widely used in electronic… …   Wikipedia

  • OpenBSD security features — The OpenBSD operating system is noted for its security focus and for the development of a number of security features. Contents 1 API and build changes 2 Memory protection 3 Cryptography and randomization …   Wikipedia

  • Хандшух, Хелен — Хелен Хандшух (англ. Helena Handschuh)  криптограф. Наиболее известная разработка  симметричный блочный криптоалгоритм SHACAL. Помимо этого принимала участие в создании блочного шифра Universal Encryption Standard. С 2009 года… …   Википедия

  • All-or-nothing transform — In cryptography, an all or nothing transform (AONT), also known as an all or nothing protocol, is an encryption mode which allows the data to be understood only if all of it is known. AONTs are not encryption, but frequently make use of symmetric …   Wikipedia

  • Nothing up my sleeve number — In cryptography, nothing up my sleeve numbers are any numbers which, by their construction, are above suspicion of hidden properties. They are used in creating cryptographic functions such as hashes and ciphers. These algorithms often need… …   Wikipedia

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