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 Engineering...
6 KB (631 words) - 01:44, 1 June 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
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...
10 KB (911 words) - 22:04, 29 July 2024
Comparison of OTP applications (category Password authentication)
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)...
12 KB (446 words) - 14:14, 22 July 2024
YubiKey (category Companies based in Palo Alto, California)
support. The YubiKey implements the HMAC-based one-time password algorithm (HOTP) and the time-based one-time password algorithm (TOTP), and identifies itself...
29 KB (2,738 words) - 17:33, 5 June 2024
PBKDF2 (category Password authentication)
PBKDF2 for password hashing. PBKDF2 applies a pseudorandom function, such as hash-based message authentication code (HMAC), to the input password or passphrase...
13 KB (1,341 words) - 15:37, 30 May 2024
keypresses. HMAC-based one-time password employed widely in multi-factor authentication uses similar approach, but with pre-shared secret key and HMAC instead...
6 KB (739 words) - 23:34, 5 July 2024
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...
1 KB (113 words) - 13:29, 15 May 2024
using the HMAC-SHA256 algorithm. It is later converted to a character string using the password templates. The template seed makes every password unique...
6 KB (552 words) - 14:33, 29 October 2023
Pepper (cryptography) (category Password authentication)
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...
8 KB (1,061 words) - 13:08, 12 July 2024
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...
5 KB (432 words) - 09:02, 21 May 2024
LastPass (redirect from LastPass Password Manager)
to decrypt the passwords. Prior to June 2012, customers had by default a single PBKDF2-HMAC-SHA-256 hash applied to their master password, with site usernames...
30 KB (2,705 words) - 20:04, 4 June 2024
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...
30 KB (3,661 words) - 22:51, 18 January 2024
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...
10 KB (999 words) - 01:15, 30 July 2024
(Proposed|Historic) — HMAC-SHA-2 Authentication Protocols in the User-based Security Model (USM) for SNMPv3 RFC 7860 (Proposed) — HMAC-SHA-2 Authentication...
40 KB (5,033 words) - 15:23, 24 July 2024
thesis Linux portal One-time passwords HMAC-based one-time password (HOTP) OPIE Authentication System OTPW Time-based one-time password (TOTP) Tokens Initiative...
24 KB (3,159 words) - 13:49, 22 June 2024
Channel Binding Hash Agility RFC 6560 One-Time Password (OTP) Pre-Authentication RFC 6649 Deprecate DES, RC4-HMAC-EXP, and Other Weak Cryptographic Algorithms...
27 KB (3,053 words) - 22:13, 7 May 2024
pre-shared keys, certificate-based, and username/password-based authentication. Preshared secret key is the easiest, and certificate-based is the most robust and...
22 KB (1,965 words) - 18:00, 27 June 2024
Encryption Standard International Data Encryption Algorithm HMAC HMAC-based One-time Password algorithm Cryptographic hash function Hash collision List...
19 KB (1,784 words) - 10:05, 3 June 2024
access authentication is one of the agreed-upon methods a web server can use to negotiate credentials, such as username or password, with a user's web browser...
24 KB (2,843 words) - 13:39, 13 July 2024
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...
29 KB (3,405 words) - 19:34, 21 June 2024
bcrypt is a password-hashing function designed by Niels Provos and David Mazières, based on the Blowfish cipher and presented at USENIX in 1999. Besides...
26 KB (2,753 words) - 04:19, 2 July 2024
Rainbow table (category Hash-based data structures)
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...
24 KB (3,446 words) - 08:05, 23 June 2024
Key stretching (redirect from Password strengthening)
possibly weak key, typically a password or passphrase, more secure against a brute-force attack by increasing the resources (time and possibly space) it takes...
14 KB (1,817 words) - 16:14, 17 July 2024
Secure Shell (redirect from SSH without password in Linux)
and password) for this access to these computers across a public network in an unsecured way, poses a great risk of 3rd parties obtaining the password and...
38 KB (4,271 words) - 01:17, 21 July 2024
Cryptographic hash function (redirect from One-way hash)
property can be used to break naive authentication schemes based on hash functions. The HMAC construction works around these problems. In practice, collision...
48 KB (6,228 words) - 08:01, 25 June 2024
certainly do not have. So far, no practical attack has been based on this property, but one should be aware of this "feature". The fixed-points can be...
24 KB (3,977 words) - 03:22, 7 June 2024
cryptanalysis • Hill cipher • History of cryptography • HMAC • HMAC-based One-time Password algorithm (HOTP) • Horst Feistel • Howard Heys • Https •...
67 KB (2,933 words) - 23:58, 6 June 2024
called syndrome-based compression. It is very slow and in practice done in a different and faster way resulting in fast syndrome-based compression. We...
19 KB (2,941 words) - 23:14, 25 April 2024
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...
14 KB (1,491 words) - 21:00, 3 April 2024