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Cramer-Shoup asymmetric encryption (an extension of ElGamal)
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a cryptographic pseudorandom number generator intended to be used in a stream cipher.
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a block cipher designed by NTT. It is known to be insecure.
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Diffusion refers to the property of an encryption primitive that small changes in the plaintext result in big changes in the ciphertext and vice-versa.
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an extension of DES that attempts to foil brute force attacks
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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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a key derivation function ([tag:kdf]) that uses a key in the computation.
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An attack on TLS and related protocols as of may 2015. This attack uses pre-computations to attack short prime diffie hellmann key exchange, primes with up to 1024 bits length are considered broken. I…
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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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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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an encryption paradigm which gives a master secret key owner fine-grained control over access to encrypted data.
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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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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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a lightweight block cipher with a 64-bit block size and an 80 or 128 bit key.
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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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Design philosophy for ciphers. ARX solely relies on additions, rotations and XORs to build ciphers and similar algorithms. This usually constructs ciphers that are highly resistant against side-channe…
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Encryption of data represented in XML according to the W3C Specification.
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a technology that allows telephone calls to be made over computer networks like the Internet.
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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 64-bit block cipher developed by the U.S. National Security Agency (NSA).
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.
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.