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) - 16:59, 20 November 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) - 23:24, 3 October 2024
In cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific...
18 KB (2,327 words) - 04:57, 18 October 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...
9 KB (939 words) - 05:06, 30 August 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...
32 KB (2,940 words) - 03:16, 13 November 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)...
17 KB (602 words) - 13:33, 14 November 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
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) - 07:18, 18 October 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...
2 KB (168 words) - 19:32, 5 October 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
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 (1,045 words) - 20:49, 6 November 2024
Salt (cryptography) (redirect from Password salting)
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...
13 KB (1,533 words) - 23:19, 23 October 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) - 21:38, 16 August 2024
Encryption Standard International Data Encryption Algorithm HMAC HMAC-based One-time Password algorithm Cryptographic hash function Hash collision List...
19 KB (1,781 words) - 14:01, 4 September 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 (5,028 words) - 15:08, 17 November 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 (3,022 words) - 20:03, 1 November 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 (3,408 words) - 07:41, 9 October 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) - 08:05, 4 November 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) - 11:56, 5 November 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 (2,052 words) - 01:35, 9 November 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
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 (2,850 words) - 07:59, 12 November 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 (6,237 words) - 01:51, 13 November 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
cryptanalysis • Hill cipher • History of cryptography • HMAC • HMAC-based One-time Password algorithm (HOTP) • Horst Feistel • Howard Heys • Https •...
67 KB (2,933 words) - 12:41, 17 October 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 (3,485 words) - 20:31, 22 November 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...
27 KB (2,833 words) - 15:52, 8 November 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 (4,267 words) - 18:55, 12 November 2024
Librem (category Linux-based devices)
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)...
28 KB (2,111 words) - 02:01, 9 September 2024
Wi-Fi Protected Access (section Weak password)
cryptographic strength in WPA3-Enterprise mode (AES-256 in GCM mode with SHA-384 as HMAC), and still mandates the use of CCMP-128 (AES-128 in CCM mode) as the minimum...
40 KB (4,613 words) - 04:26, 23 October 2024