# Tags

A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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 kbkdf× 3 a key derivation function ([tag:kdf]) that uses a key in the computation. key-rotation× 3 Key rotation refers to a schedule or process for changing the key material. plausible-deniability× 3 Plausible deniability may refer $1)$ to deniable encryption schemes allowing to decrypt a ciphertext for a message $m$ to some distinct message $m'$ or $2)$ to a feature provided by deniable file syst… pir× 3 A PIR (Private Information Retrieval) protocol allows a user to retrieve an item from a server in possession of a database without revealing which item is retrieved. onion-routing× 3 A method for anonymous communications over a wide area network such as the Internet. reduction× 3 homomorphic-signatures× 3 A homomorphic signature scheme (also malleable signature scheme) is a digital signature scheme that allows computations on signed data (without access to the secret signing key) while preserving the… hamming× 3 a family of binary, linear error-correcting codes that are used to detect and correct data transmission errors. Hamming codes are able detect up to two simultaneous bit errors and ca… file-format× 3 feal× 3 a block cipher designed by NTT. It is known to be insecure. biclique-attack× 3 bijection× 3 a function $f$ from a set $X$ to a set $Y$ with the property that, for every $y$ in $Y$, there is exactly one $x$ in $X$ such that $f(x) = y$. It follows from … blake2× 3 a cryptographic hash function. It was designed for the SHA-3 competition where it became a finalist, but wasn't chosen as SHA-3. alternating-step× 3 a cryptographic pseudorandom number generator intended to be used in a stream cipher. smartcard× 3 speck× 3 A family of lightweight symmetric block-ciphers designed for good performance in constrained software devices with block sizes ranging from 32 to 128 bits and key sizes ranging from 64 to 256 bits. three-pass-protocol× 3 The three-pass protocol uses commutative encryption to let two people communicate privately without having to exchange keys in advance. untagged× 3 u-prove× 3 a Crypto SDK was developed by Microsoft to support experimentation with the foundational features of the U-Prove technology. It is made available under the Apache 2.0 open-source license, w… universal-composability× 3 The framework of universal composability (UC) is a general-purpose model for the analysis of cryptographic protocols. truecrypt× 2 traffic-analysis× 2 the process of intercepting and examining messages in order to deduce information from patterns in communication. Within cryptography this definition is restricted to deduce inform… theory× 2 sponge-function× 2 skipjack× 2 a 64-bit block cipher developed by the U.S. National Security Agency (NSA). secure-index× 2 xml-encryption× 2 Encryption of data represented in XML according to the W3C Specification. voip× 2 a technology that allows telephone calls to be made over computer networks like the Internet. access-control× 2 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. cpu× 2 the most important hardware component of a computer system, since it contains the circuitry necessary to interpret and execute instructions. cryptoapi× 2 The Cryptographic Application Programming Interface is an application programming interface included with Microsoft Windows operating systems that provides services to enable developers to secure Wind… hermitian-curves× 2 hashed-elgamal× 2 ephemeral× 2 short-lived, like (for example) an ephemeral key, which is a key that only exists within the lifetime of a communication session. desx× 2 an extension of DES that attempts to foil brute force attacks remote-data-checking× 2 Remote data checking protocols allow a client that has stored data at an untrusted server to efficiently verify that the server possesses the original data without retrieving it.