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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a toy variant of the DES cipher introduced by Edward F. Schaefer in 1996 for educational purposes. It has an 8-bit block size and a 10-bit key, and uses two rounds, with two 4x2 bit …
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JWE specifies how to encrypt content and encode associated metadata. It is defined in RFC 7516: JSON Web Encryption (JWE).
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at the heart of cryptography and error-correction. In cryptography they are the main tool for generating long pseudorandom binary sequences which can be used as keys for two commun…
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a stream cipher used in the Bluetooth protocol.
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JSON Web Signatures specify how to encode binary data along with signatures and metadata in RFC 7515.
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the art and science of teaching, that is transmitting knowledge. On this website, only the pedagogy of teaching cryptography could possibly be on-topic.
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an SQL-Aware encrypted database system from MIT
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SHA-3 Competition (2007-2012) was a competition initiated by NIST as a call for a new cryptographic hash algorithm for standardization purposes.
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Traitor tracing describes an ability of specific cryptographic schemes that helps trace the source of leaks.
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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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Question related to Gimli : usage, security, cryptanalysis.
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For questions about design decisions of schemes and implementations of cryptographic primitives to make them resistant to misuse.
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a family of message authentication codes defined in RFC 4418. UMAC supports 32-, 64-, 96-, and 128-bit tags. UMAC uses a PRF, typically instantiated with AES-128, to expand a short key into …
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a 64-bit block cipher developed by the U.S. National Security Agency (NSA).
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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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RFC 1319 — The MD2 Message-Digest Algorithm is a cryptographic hash function which is no longer considered secure.
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a 128-bit block cipher with variable key size of between 128 and 448 bits. It has a heterogeneous structure: several rounds of a cryptographic core are “jacketed” by un-keyed mixing rounds, to…
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a term coined by Bruce Schneier to describe products that make fantastic claims about security through cryptography.
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Material related to cryptography and primality tests using Lucas groups.
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a set of public key cryptography standards provided by the IEEE.
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a relatively new asymmetric key agreement protocol (also designated the Colored Burau Key Agreement Protocol), based on a simultaneous conjugacy search problem in a braid group.
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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…
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a signature made by multiple parties.
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In a Probabilistic Signature Scheme, the signature depends on a random input, in addition to the private key and message.
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should be used for questions that specifically ask about the contents of RFC 7748, Elliptic Curves for Security (January 2016).
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a new standard for advanced digital signature by European Directive on a community framework for Electronic Signatures.
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a password hashing/password based key derivation function published in 2016.