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CryptMT
In cryptography, CryptMT is a stream cipher algorithm which internally uses the Mersenne twister. It was developed by Makoto Matsumoto, Mariko Hagita, Takuji Nishimura and Mutsuo Saito and is patented. It has been submitted to the eSTREAM project of the eCRYPT network. In that submission to eSTREAM eSTREAM is a project to "identify new stream ciphers suitable for widespread adoption", organised by the EU ECRYPT network. It was set up as a result of the failure of all six stream ciphers submitted to the NESSIE project. The call for primi ..., the authors also included another cipher named Fubuki, which also uses the Mersenne twister. External links eStream page on CryptMTauthor's page Stream ciphers {{Crypto-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mersenne Twister
The Mersenne Twister is a general-purpose pseudorandom number generator (PRNG) developed in 1997 by and . Its name derives from the fact that its period length is chosen to be a Mersenne prime. The Mersenne Twister was designed specifically to rectify most of the flaws found in older PRNGs. The most commonly used version of the Mersenne Twister algorithm is based on the Mersenne prime 2^-1. The standard implementation of that, MT19937, uses a 32-bit word length. There is another implementation (with five variants) that uses a 64-bit word length, MT19937-64; it generates a different sequence. Application Software The Mersenne Twister is used as default PRNG by the following software: * Programming languages: Dyalog APL, IDL, R, Ruby, Free Pascal, PHP, Python (also available in NumPy, however the default was changed to PCG64 instead as of version 1.17),, CMU Common Lisp, Embeddable Common Lisp, Steel Bank Common Lisp, Julia (up to Julia 1.6 LTS, still available in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ESTREAM
eSTREAM is a project to "identify new stream ciphers suitable for widespread adoption", organised by the EU ECRYPT network. It was set up as a result of the failure of all six stream ciphers submitted to the NESSIE project. The call for primitives was first issued in November 2004. The project was completed in April 2008. The project was divided into separate phases and the project goal was to find algorithms suitable for different application profiles. Profiles The submissions to eSTREAM fall into either or both of two profiles: * Profile 1: "Stream ciphers for software applications with high throughput requirements" * Profile 2: "Stream ciphers for hardware applications with restricted resources such as limited storage, gate count, or power consumption." Both profiles contain an "A" subcategory (1A and 2A) with ciphers that also provide authentication in addition to encryption. In Phase 3 none of the ciphers providing authentication are being considered (The NLS cipher h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stream Cipher
stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream ( keystream). In a stream cipher, each plaintext digit is encrypted one at a time with the corresponding digit of the keystream, to give a digit of the ciphertext stream. Since encryption of each digit is dependent on the current state of the cipher, it is also known as ''state cipher''. In practice, a digit is typically a bit and the combining operation is an exclusive-or (XOR). The pseudorandom keystream is typically generated serially from a random seed value using digital shift registers. The seed value serves as the cryptographic key for decrypting the ciphertext stream. Stream ciphers represent a different approach to symmetric encryption from block ciphers. Block ciphers operate on large blocks of digits with a fixed, unvarying transformation. This distinction is not always clear-cut: in some modes of operation, a block cipher primitive is used in such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryptography
Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, information security, electrical engineering, digital signal processing, physics, and others. Core concepts related to information security (data confidentiality, data integrity, authentication, and non-repudiation) are also central to cryptography. Practical applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. Cryptography prior to the modern age was effectively synony ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Algorithm
In mathematics and computer science, an algorithm () is a finite sequence of rigorous instructions, typically used to solve a class of specific problems or to perform a computation. Algorithms are used as specifications for performing calculations and data processing. More advanced algorithms can perform automated deductions (referred to as automated reasoning) and use mathematical and logical tests to divert the code execution through various routes (referred to as automated decision-making). Using human characteristics as descriptors of machines in metaphorical ways was already practiced by Alan Turing with terms such as "memory", "search" and "stimulus". In contrast, a heuristic is an approach to problem solving that may not be fully specified or may not guarantee correct or optimal results, especially in problem domains where there is no well-defined correct or optimal result. As an effective method, an algorithm can be expressed within a finite amount of spac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Makoto Matsumoto
is a unisex Japanese name although it is more commonly used by males. As a noun, Makoto means "sincerity" (誠) or "truth" (真, 眞). People Given name *Makoto (musician) (born 1977), drum and bass artist *Makoto (Sharan Q) ( まこと), drummer of Sharan Q *Makoto (streamer) ( まこと), Japanese streamer, voice actress *Makoto (wrestler) (born 1989), professional wrestler *, Japanese basketball player *Makoto Chūza, Japanese shogi player *, Japanese actor *, Japanese chemist *, Japanese writer *Makoto Furukawa, Japanese voice actor *, Japanese academic *Makoto Hagiwara (1854–1925), landscape designer often credited with inventing the fortune cookie *Makoto Hasebe (長谷部 誠, born 1984), Japanese footballer *Makoto Hiejima (born 1990), Japanese basketball player *, Japanese Paralympic judoka *Makoto Horikawa or Ryō Horikawa *Makoto Imaoka (born 1974), professional baseball player *Makoto Inoue (born 1974), professional golfer *, Japanese economist *Mako (actor) (岩 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mariko Hagita
{{disambig, surname ...
Mariko may refer to: Places * Mariko-juku (鞠子宿), a post station along the Tōkaidō * Mariko, Mali * Mariko (crater), an impact crater on Venus People * MC Mariko (Mari Pajalahti, born 1979), Finnish music group Kwan * Bourama Mariko (born 1979), a Malian judoka * Oumar Mariko (born 1959), a Malian doctor and politician * Mariko (given name) is a feminine Japanese given name. Possible writings in Japanese The name ''Mariko'' can be written using various ''kanji'' characters, each of which has a different meaning, such as the following: * , "ball" + "child" * , "truth" + "child" * , ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Takuji Nishimura
Takuji (written: 宅治, 拓児, 拓司, 拓自, 卓司, 卓治, 卓次 or 卓爾) is a masculine Japanese given name. Notable people with the name include: *, Japanese gymnast *, Japanese writer *, Japanese biologist, ethnologist and historian *, Japanese actor *, Japanese footballer *, Japanese Go player *, Japanese American activist *, Japanese politician *, Japanese footballer *, Japanese footballer {{given name Japanese masculine given names ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mutsuo Saito
Mutsuo (written: 六夫, 睦郎 or 睦夫) is a masculine Japanese given name. Notable people with the name include: * (1935–2005), Japanese baseball pitcher * (1918–1986), Japanese engineer * (born 1943), Japanese judge * (1913–1943), Japanese sprinter * (born 1937), Japanese poet and writer * (1917-1938), perpetrator of the Tsuyama massacre The was a revenge spree killing that occurred on 21 May 1938 in the rural village of Kamo close to Tsuyama in Okayama, Empire of Japan. , a 21-year-old man, killed 30 people, including his grandmother, with a Browning shotgun, katana, and ax ... * (born 1957), Japanese sumo wrestler {{given name Japanese masculine given names ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Patent
A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an sufficiency of disclosure, enabling disclosure of the invention."A patent is not the grant of a right to make or use or sell. It does not, directly or indirectly, imply any such right. It grants only the right to exclude others. The supposition that a right to make is created by the patent grant is obviously inconsistent with the established distinctions between generic and specific patents, and with the well-known fact that a very considerable portion of the patents granted are in a field covered by a former relatively generic or basic patent, are tributary to such earlier patent, and cannot be practiced unless by license thereunder." – ''Herman v. Youngstown Car Mfg. Co.'', 191 F. 579, 584–85, 112 CCA 185 (6th Cir. 1911) In most countries, patent rights fall under private law ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ECRYPT
ECRYPT (European Network of Excellence in Cryptology) was a 4-year European research initiative launched on 1 February 2004 with the stated objective of promoting the collaboration of European researchers in information security, and especially in cryptology and digital watermarking. ECRYPT listed five core research areas, termed "virtual laboratories": symmetric key algorithms (STVL), public key algorithms (AZTEC), protocol (PROVILAB), secure and efficient implementations (VAMPIRE) and watermarking (WAVILA). In August 2008 the network started another 4-year phase as ECRYPT II. ECRYPT II products Yearly report on algorithms and key lengths During the project, algorithms and key lengths were evaluated yearly. The most recent of these documents is dated 30 September 2012. Key sizes Considering the budget of a large intelligence agency to be about 300 million USD for a single ASIC machine, the recommended ''minimum'' key size is 84 bits, which would give protection for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
