# 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.

 Type to find tags:
 white-box× 7 In cryptography, white box analysis means extracting a secret value from an implementation of a function that uses the value. transposition-cipher× 6 A classical cipher in which the ciphertext is obtained by scrambling the letters of the plaintext. mental-poker× 6 the common description for a set of cryptographic problems related to playing a fair game over a distance without the need for any trusted third party. license-key× 6 a typically short alphanumeric code used as a software copy-protection mechanism, by requiring a user to enter a valid key before they can use the software. oaep× 6 a padding scheme which has been standardized in [PKCS #1v29](http://www.emc.com/collateral/white-papers/h11300-pkcs-1v2-2-rsa-cryptography-standard-wp.pdf) and… multi-prime-rsa× 6 the product of more than two primes. playfair× 6 a digraph substitution cipher. It employs a table where one letter of the alphabet is omitted, and the letters are arranged in a 5x5 grid. quadratic-residuosity× 6 A residue of order 2. A number $a$ for which the congruence $x^2 ≡ a \pmod m$ has a solution is called a quadratic residue modulo $m$. secure-storage× 6 Secure storage describes storing resources in a secure way, so that they are only available to authorized users and trusted networks. secure-channel× 6 ripemd× 6 The RACE Integrity Primitives Evaluation Message Digest (RIPEMD) is a family of cryptographic hash functions. functional-encryption× 6 a type of public-key encryption, where the party that has access to a secret key can learn a function from that key, which is used to encrypt and decrypt messages. fortuna× 6 a family of cryptographically secure PRNGs; devised by Bruce Schneier and Niels Ferguson, who published it in 2003. blum-blum-shub× 6 a deterministic Pseudo-Random Bit Generator with security demonstrably reducible to that of integer factorization. certificateless-crypto× 5 a variant of ID-based cryptography intended to prevent the key escrow problem. Only a partial private key is generated by the key generation center (KGC) and the other … accumulators× 5 a one way membership function. It answers a query as to whether a potential candidate is a member of a set without revealing the individual members of the set. constants× 5 Fixed, more or less arbitrary parameter values that appear in the definitions of cryptographic schemes, such as fixed initialization vectors for hash functions or S-box tables for block ciphers. data-privacy× 5 Data privacy refers to (cryptographic) methods to prevent the disclosure of sensitive (identifying) information of persons. copy-protection× 5 Copy protection or content protection covers various mechanism, such as DRM and software license keys, used to restrict the unauthorized copying or use of software or digital media. fiat-shamir× 5 distributed-decryption× 5 index-of-coincidence× 5 a measure of the relative frequency of letters in a cipher text sample, which facilitates cryptanalysis of poly-alphabetic ciphers by allowing determination of the per… idea× 5 The International Data Encryption Algorithm (IDEA) is a block cipher developed in 1991 by James Massey and Xuejia Lai. resources× 5 material that can be referenced for further information on cryptography. safe-prime× 5 a prime number of the form 2p + 1, where p is also a prime. skein× 5 a cryptographic hash function. It was designed for the SHA-3 competition where it became a finalist, but wasn't chosen as SHA-3. rabin-cryptosystem× 5 A public-key cryptosystem based on squaring modulo the product of two primes, introduced in 1979 by Michael O. Rabin and proven to have security reducible to the hardness of integer factorization. proxy-re-encryption× 5 pkcs11× 5 PKCS #11 (Public-Key Cryptography Standard 11) defines a platform-independent API to cryptographic tokens, such as hardware security modules (HSM) and smart cards called *Cryptoki*. key-wrap× 5 key-schedule× 5 an algorithm that expands a relatively short master key to a relatively large expanded key for later use in an encryption and decryption algorithm. literature× 5 Literature describes everything that has been written and/or visualized (here: in relation cryptography), which ranges from papers to books, and from publications to presentations. timed-release× 5 Time-lock puzzles and other cryptographic schemes intended to ensure that a message cannot be read until a certain time has passed. wpa2-psk× 5 Wi-Fi Protected Access 2 - Pre-Shared Key (also called WPA or WPA2 Personal) is a method of securing your network using WPA2 with the use of the optional Pre-Shared Key (PSK) authentication, which was… universal-hash× 4 knapsack× 4 the problem of determining which numbers from a given collection of numbers have been added together to yield a specific sum: used in cryptography to encipher (and sometimes decipher) mess…