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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.
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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.
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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…
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a variant of the Salsa20 cipher with a longer nonce.
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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…
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A family of tweakable symmetric block-cipher algorithms with 256, 512 and 1024 bit block and key sizes.
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a block cipher by David Wheeler and Roger Needham of the Cambridge Computer Laboratory; notable for its simplicity of description and implementation.
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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…
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the most important hardware component of a computer system, since it contains the circuitry necessary to interpret and execute instructions.
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Cramer-Shoup asymmetric encryption (an extension of ElGamal)
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an extension of DES that attempts to foil brute force attacks
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a block cipher designed by NTT. It is known to be insecure.
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a key derivation function ([tag:kdf]) that uses a key in the computation.
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routing protocols that create hard-to-trace communications by using a chain of proxy servers known as mixes which take in messages from multiple senders, shuffle them, and send them b…
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a set of public key cryptography standards provided by the IEEE.
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A method for anonymous communications over a wide area network such as the Internet.
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an encryption paradigm which gives a master secret key owner fine-grained control over access to encrypted data.
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a lightweight block cipher with a 64-bit block size and an 80 or 128 bit key.
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a variation of the McEliece Cryptosystem and is equivalent to McEliece from a security point of view, but encryption using Niederreiter is about ten times faster than …
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The Miyaguchi-Preneel scheme, based on a one-way compression function, was proposed around 1989 by Preneel, and independently by Miyaguchi.Ohta, and Iwata.
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For questions about Key Encapsulation Mechanisms (KEMs). KEMs are frequentely used in Cryptography to create public key encryption schemes and are a way to formalize a specific subset of hybrid encryp…
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Property of cryptographic primitives to propagate errors. This usually means that an "error" in one block propagates into the following blocks, thereby flipping bits there or completely scrambling tho…
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one of two common methods when using a public key infrastructure for maintaining access to servers in a network.
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