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Fixed, more or less arbitrary parameter values that appear in the definitions of cryptographic schemes, such as fixed initialization vectors for hash functions or S-box tables for block ciphers.
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a measure of the relative frequency of letters in a cipher text sample, which facilitates cryptanalysis of poly-alphabetic ciphers by allowing determination of the per…
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a typically short alphanumeric code used as a software copy-protection mechanism, by requiring a user to enter a valid key before they can use the software.
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a property that, if proven to be possesed, makes an algorithm "immune" to time-memory tradeoffs, by "punishing" memory reductions. Usually algorithms possesing this property can't e…
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a variant of ID-based cryptography intended to prevent the key escrow problem. Only a partial private key is generated by the key generation center (KGC) and the other …
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Elliptic Curve Integrated Encryption Scheme (ECIES) is a public key encryption system proposed by Victor Shoup in 2001.
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a two-pass AEAD block cipher mode of operation described in RFC 5297. It can be used either for key-wrap (nonce-less deterministic authenticated encryption) or…
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a cryptographic hash function. It was designed for the SHA-3 competition where it became a finalist, but wasn't chosen as SHA-3.
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A family of lightweight symmetric block-ciphers designed for good performance in hardware with block sizes ranging from 32 to 128 bits and key sizes ranging from 64 to 256 bits.
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A fast 64-bit PRF that can be used as a MAC
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Time-lock puzzles and other cryptographic schemes intended to ensure that a message cannot be read until a certain time has passed.
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a subfield of cryptography which constructs and analyzes cryptosystems that preserve the ability to 'search' over encrypted data, for some definition of 'search'.
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material that can be referenced for further information on cryptography.
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used in Secure Multiparty Computation
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short for Dual Elliptic Curve Deterministic Random Bit Generator; a pseudorandom number generator based on the elliptic curve discrete logarithm problem.
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a 128-bit, symmetrical block cipher jointly developed by Mitsubishi and NTT of Japan.
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If two numbers $b$ and $c$ have the property that their difference $b-c$ is integrally divisible by a number $m$ (i.e., $(b-c)/m$ is an integer), then $b$ and $c$ are said to be "congruent modulo $m$.…
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a cryptographic hash function. It was designed for the SHA-3 competition where it became a finalist, but wasn't chosen as SHA-3.
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the use of randomness in an encryption algorithm, so that when encrypting the same message several times it will, in general, yield different ciphertexts.
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the common description for a set of cryptographic problems related to playing a fair game over a distance without the need for any trusted third party.
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Literature describes everything that has been written and/or visualized (here: in relation cryptography), which ranges from papers to books, and from publications to presentations.
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Key rotation refers to a schedule or process for changing the key material.
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the problem of determining which numbers from a given collection of numbers have been added together to yield a specific sum: used in cryptography to encipher (and sometimes decipher) mess…
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The International Data Encryption Algorithm (IDEA) is a block cipher developed in 1991 by James Massey and Xuejia Lai.
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a type of public-key encryption scheme that allows to transform ciphertexts encrypted under Alice's public key into ciphertexts decryptable by Bob
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so unimportant, that it isn't worth considering. For example, if a flaw in a cryptographic algorithm is considered to be negligible, it is insignificant to both the …
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The Offset CodeBook Mode, an authenticated encryption mode of operation for a block cipher.
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a possible goal of cryptography, where the idea is to restrict access to documents, equipment, locations, or keys to individuals who are authorized such access.