In cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific...
18 KB (2,305 words) - 11:10, 12 July 2024
HMAC-based one-time password (HOTP) is a one-time password (OTP) algorithm based on HMAC. It is a cornerstone of the Initiative for Open Authentication...
11 KB (1,150 words) - 16:06, 3 July 2024
PBKDF2 (section HMAC collisions)
a pseudorandom function, such as hash-based message authentication code (HMAC), to the input password or passphrase along with a salt value and repeats...
13 KB (1,341 words) - 15:37, 30 May 2024
NIST SP 800-90A (redirect from HMAC DRBG)
for use in cryptography: Hash DRBG (based on hash functions), HMAC DRBG (based on HMAC), and CTR DRBG (based on block ciphers in counter mode). Earlier...
17 KB (1,979 words) - 19:45, 1 April 2024
using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating...
10 KB (915 words) - 21:59, 14 June 2024
HKDF is a simple key derivation function (KDF) based on the HMAC message authentication code. It was initially proposed by its authors as a building block...
6 KB (697 words) - 19:44, 28 May 2024
HS256 indicates that this token is signed using HMAC-SHA256. Typical cryptographic algorithms used are HMAC with SHA-256 (HS256) and RSA signature with SHA-256...
20 KB (1,499 words) - 06:39, 5 July 2024
using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet...
6 KB (631 words) - 01:44, 1 June 2024
(PBKDF) with an approved Pseudorandom Function such as HMAC with SHA-3 as the hash function of the HMAC. The NIST recommendation is also to perform at least...
8 KB (1,061 words) - 13:08, 12 July 2024
can also use the HMAC packet authentication feature to add an additional layer of security to the connection (referred to as an "HMAC Firewall" by the...
22 KB (1,965 words) - 18:00, 27 June 2024