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a useful primitive that allows a client to hide its data access patterns from an untrusted server in storage outsourcing applications.
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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 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 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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Let $\Omega$ be a set of entities. An *access structure* $\mathcal{A}$ is a collection of nonempty subsets of the power set $P(\mathcal{A})$. This structure is called *monotone*, if $A\in\mathcal{A}$ …
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Something of mixed origin. In cryptography, typically a cipher system containing both public key and secret key component ciphers, where the public key system is used only to transport the key for the…
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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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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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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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an extension of DES that attempts to foil brute force attacks
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a 64-bit block cipher developed by the U.S. National Security Agency (NSA).
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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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the process of breaking a stream of text up into words, phrases, symbols, or other meaningful elements called tokens.
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a technology that allows telephone calls to be made over computer networks like the Internet.
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Encryption of data represented in XML according to the W3C Specification.
Traitor tracing describes an ability of specific cryptographic schemes that helps trace the source of leaks.
a VPN tunneling protocol that allows the tunneling of PPP or L2TP traffic over an SSL connection.
Blockcipher based on the compression function of SHA-256. This cipher interprets the internal compression function of SHA-256 as blockcipher. The key is provided as "input data" and the input is fed i…
SHA-3 Competition (2007-2012) was a competition initiated by NIST as a call for a new cryptographic hash algorithm for standardization purposes.
a variant of RSA, meant to increase the RSA public modulus size while keeping computation cost moderate.