current time as a source of uniqueness. As an extension of the HMAC-based one-time password (HOTP) algorithm, it has been adopted as Internet Engineering...

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...

In cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific...

time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of software...

generate one-time passwords for two-factor authentication (2FA) systems using the time-based one-time password (TOTP) or the HMAC-based one-time password (HOTP)...

support. The YubiKey implements the HMAC-based one-time password algorithm (HOTP) and the time-based one-time password algorithm (TOTP), and identifies itself...

Live Streaming HMA—High Memory Area HMAC—Hash-based message authentication code HOTP—HMAC-based one-time password HP—Hewlett-Packard HPC—High-Performance...

PBKDF2 for password hashing. PBKDF2 applies a pseudorandom function, such as hash-based message authentication code (HMAC), to the input password or passphrase...

employ a mixture of both. HOTP: An HMAC-based one-time password algorithm (RFC 4226) TOTP: Time-based one-time password algorithm (RFC 6238) OCRA: OATH Challenge-Response...

signing arbitrary data. This is used as the basis for a variety of web-based technologies including JSON Web Token. JWS is a way to ensure integrity...

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 attacks...

One-time passwords are similar to TANs and used as a secondary security measure in addition to ordinary passwords. Nitrokey supports the HMAC-based One-time...

portal Linux portal One-time passwords HMAC-based one-time password (HOTP) OPIE Authentication System OTPW Time-based one-time password (TOTP) Tokens Initiative...

using a Password-Based Key Derivation Function (PBKDF) with an approved Pseudorandom Function such as HMAC with SHA-3 as the hash function of the HMAC. The...

pre-shared keys, certificate-based, and username/password-based authentication. Preshared secret key is the easiest, and certificate-based is the most robust and...

Cryptographic Service Provider HMAC HMAC-based One-time Password algorithm Cryptographic hash function Hash collision Hash-based cryptography Cryptographic...

keypresses. HMAC-based one-time password employed widely in multi-factor authentication uses similar approach, but with pre-shared secret key and HMAC instead...

standards grew out of this work, the HMAC-based One-time Password (HOTP) algorithm and the Time-based One-time Password (TOTP) algorithm specified by RFC 4226...

16-byte HMAC-MD5 hash of the server challenge, a fully/partially randomly generated client challenge, and an HMAC-MD5 hash of the user's password and other...

using the HMAC-SHA256 algorithm. It is later converted to a character string using the password templates. The template seed makes every password unique...

competition RFC 3874: "A 224-bit One-way Hash Function: SHA-224" RFC 6234: "US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)"; contains sample C...

property can be used to break naive authentication schemes based on hash functions. The HMAC construction works around these problems. In practice, collision...

Channel Binding Hash Agility RFC 6560 One-Time Password (OTP) Pre-Authentication RFC 6649 Deprecate DES, RC4-HMAC-EXP, and Other Weak Cryptographic Algorithms...

password) for this access to these computers across a public network in an unsecured way poses a great risk of third parties obtaining the password and...

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

bcrypt is a password-hashing function designed by Niels Provos and David Mazières. It is based on the Blowfish cipher and presented at USENIX in 1999....

cracking password hashes. Passwords are typically stored not in plain text form, but as hash values. If such a database of hashed passwords falls into...

6151 was approved to update the security considerations in MD5 and HMAC-MD5. One basic requirement of any cryptographic hash function is that it should...

also features one-time password storage with 3x HMAC-based One-time Password algorithm (HOTP) (RFC 4226) and 15 x Time-based One-time Password algorithm (TOTP)...

(Proposed|Historic) — HMAC-SHA-2 Authentication Protocols in the User-based Security Model (USM) for SNMPv3 RFC 7860 (Proposed) — HMAC-SHA-2 Authentication...