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...

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...

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...

A cryptographic hash function (CHF) is a hash algorithm (a map of an arbitrary binary string to a binary string with a fixed size of n {\displaystyle n}...

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

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

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...

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 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...

similar operations, and both consist of iteratively running a function called a "round function" a fixed number of times. Many modern symmetric block ciphers...

is a precomputed table for caching the outputs of a cryptographic hash function, usually for cracking password hashes. Passwords are typically stored not...

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...

Typically a Schnorr group is used. All users agree on a cryptographic hash function H : { 0 , 1 } ∗ → Z / q Z {\displaystyle H:\{0,1\}^{*}\rightarrow \mathbb...

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...

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...

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

cryptographic key derivation function function used for password hashing on Fedora Linux, Debian, Ubuntu, and Arch Linux. The function is more resistant to offline...

"disguised" version of W {\displaystyle W} . The private key also contains some "trapdoor" information that can be used to transform a hard knapsack problem using...

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

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

attack on cryptographic hash functions tries to find a message that has a specific hash value. A cryptographic hash function should resist attacks on its...

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

cryptography, Whirlpool (sometimes styled WHIRLPOOL) is a cryptographic hash function. It was designed by Vincent Rijmen (co-creator of the Advanced Encryption...

collision resistant" hash functions; it was employed to construct general digital signature schemes without trapdoor functions, and also within chosen-ciphertext...

public key. Fingerprints are created by applying a cryptographic hash function to a public key. Since fingerprints are shorter than the keys they refer...

the strength that a cryptographic primitive — such as a cipher or hash function — achieves. Security level is usually expressed as a number of "bits of...

problem in a gap Diffie–Hellman group. A signature scheme consists of three functions: generate, sign, and verify. Key generation The key generation algorithm...

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...