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MGF1 is a mask generation function defined in the Public Key Cryptography Standard #1 published by RSA Laboratories: [1 ... Python 3.10.4 (main, Apr 16 2022, 16:28 ...
HKDF-Expand takes the PRK, some "info", and a length, and generates output of the desired length. HKDF-Expand acts as a pseudorandom function keyed on PRK. This means that multiple outputs can be generated from a single IKM value by using different values for the "info" field.
Example of a Key Derivation Function chain as used in the Signal Protocol.The output of one KDF function is the input to the next KDF function in the chain. 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, a password, or a passphrase using a pseudorandom function (which typically uses a ...
PMAC (cryptography) Poly1305-AES: 128 bits nonce-based SipHash: 32, 64 or 128 bits non-collision-resistant PRF: HighwayHash [16] 64, 128 or 256 bits
The sponge construction for hash functions. P i are blocks of the input string, Z i are hashed output blocks.. 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 length and produce an output bit stream of any desired length.
NaCl (Networking and Cryptography Library, pronounced "salt") is a public domain, high-speed software library for cryptography. [ 2 ] NaCl was created by the mathematician and programmer Daniel J. Bernstein , who is best known for the creation of qmail and Curve25519 .
"Javascript Crypto Library". includes a Javascript implementation of Fortuna PRNG. Cooke, Jean-Luc (2005). "jlcooke's explanation of and improvements on /dev/random". Patch adding an implementation of Fortuna to the Linux kernel. Litzenberger, Dwayne (2013-10-20). "Fortuna implementation in Python, part of the Python Cryptography Toolkit". GitHub.
The authors of Falcon provide a reference implementation in C as required by the NIST and one in Python for simplicity. The set of parameters suggested by Falcon imply a signature size of 666 bytes and a public key size of 897 bytes for the NIST security level 1 (security comparable to breaking AES-128 bits). The key generation can be performed ...