In theoretical computer science and cryptography, a trapdoor function is a function that is easy to compute in one direction, yet difficult to compute...

mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains, booby...

based on a trapdoor function whose security, like that of RSA, is related to the difficulty of integer factorization. The Rabin trapdoor function has the...

variant of the learning with errors lattice problem as its basic trapdoor function. It won the NIST competition for the first post-quantum cryptography...

existence of one-way functions. A trapdoor one-way function or trapdoor permutation is a special kind of one-way function. Such a function is hard to invert...

plaintext prior to asymmetric encryption. When combined with any secure trapdoor one-way permutation f {\displaystyle f} , this processing is proved in...

schemes. The first such scheme which is not built on trapdoor functions but rather on a family of function with a much weaker required property of one-way...

cryptographic hash function is computed, and only the resulting hash is digitally signed. Cryptographic hash functions are functions that take a variable-length...

Key management Key size Public-key cryptography Rabin cryptosystem Trapdoor function Namely, the values of m which are equal to −1, 0, or 1 modulo p while...

m {\displaystyle m} of G {\displaystyle G} using a reversible mapping function. Choose an integer y {\displaystyle y} randomly from { 1 , … , q − 1 }...

In cryptography, a sponge function or sponge construction is any of a class of algorithms with finite internal state that take an input bit stream of any...

{\displaystyle e={\textrm {HASH}}(m)} . (Here HASH is a cryptographic hash function, such as SHA-2, with the output converted to an integer.) Let z {\displaystyle...

In cryptography, a pseudorandom function family, abbreviated PRF, is a collection of efficiently-computable functions which emulate a random oracle in...

a single key pair for one user. Choose an approved cryptographic hash function H {\displaystyle H} with output length | H | {\displaystyle |H|} bits....

cryptography, PBKDF1 and PBKDF2 (Password-Based Key Derivation Function 1 and 2) are key derivation functions with a sliding computational cost, used to reduce vulnerability...

secret Trapdoor function Trusted timestamping Key-based routing Onion routing Garlic routing Kademlia Mix network Mathematics Cryptographic hash function Block...

secret Trapdoor function Trusted timestamping Key-based routing Onion routing Garlic routing Kademlia Mix network Mathematics Cryptographic hash function Block...

The MD2 Message-Digest Algorithm is a cryptographic hash function developed by Ronald Rivest in 1989. The algorithm is optimized for 8-bit computers. MD2...

In cryptography, a key derivation function (KDF) is a cryptographic algorithm that derives one or more secret keys from a secret value such as a master...

key from x k {\displaystyle x_{k}} using some hash-based key derivation function. The shared secret calculated by both parties is equal, because d A ⋅ Q...

Perhaps the first system with complete threshold properties for a trapdoor function (such as RSA) and a proof of security was published in 1994 by Alfredo...

there are 26 letters in the Latin alphabet and 26 = 2 × 13, the ROT13 function is its own inverse: ROT 13 ( ROT 13 ( x ) ) = x {\displaystyle...

secret Trapdoor function Trusted timestamping Key-based routing Onion routing Garlic routing Kademlia Mix network Mathematics Cryptographic hash function Block...

one-way trapdoor function and a random function (hash function); EPOC-2 uses a one-way trapdoor function, two random functions (hash functions) and a symmetric-key...

g, ga mod p, and gb mod p. Such a function that is easy to compute but hard to invert is called a one-way function. Once Alice and Bob compute the shared...

cryptography, a salt is random data fed as an additional input to a one-way function that hashes data, a password or passphrase. Salting helps defend against...

Argon2 is a key derivation function that was selected as the winner of the 2015 Password Hashing Competition. It was designed by Alex Biryukov, Daniel...

secret Trapdoor function Trusted timestamping Key-based routing Onion routing Garlic routing Kademlia Mix network Mathematics Cryptographic hash function Block...

secret Trapdoor function Trusted timestamping Key-based routing Onion routing Garlic routing Kademlia Mix network Mathematics Cryptographic hash function Block...

In cryptography, Tiger is a cryptographic hash function designed by Ross Anderson and Eli Biham in 1995 for efficiency on 64-bit platforms. The size of...