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Computer communications authentication algorithm
In cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific
HMAC
Key derivation function
a pseudorandom function, such as hash-based message authentication code (HMAC), to the input password or passphrase along with a salt value and repeats
PBKDF2
Standard for generating random numbers
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
NIST_SP_800-90A
Two-step verification app
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
Google_Authenticator
Free and open-source virtual private network software
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
OpenVPN
Password authentication algorithm
HMAC-based one-time password (HOTP) is a one-time password (OTP) algorithm based upon a hash-based message authentication code (HMAC). When a client attempts
HMAC-based_one-time_password
Key derivation function based on an HMAC
HKDF is a multi-purpose key derivation function (KDF) based on the HMAC message authentication code. HKDF follows "extract-then-expand" paradigm, where
HKDF
Cryptographic protocols for securing data in transit
included. 32 bytes for the SHA-256-based HMAC, 20 bytes for the SHA-1-based HMAC, 16 bytes for the MD5-based HMAC. Note that this field may be encrypted
Transport_Layer_Security
Set of cryptographic hash functions
of scrypt-based proof-of-work schemes. In both 4G and 5G mobile networks, HMAC-SHA-256 is utilized as a key derivation function (KDF) to generate cryptographic
SHA-2
Password authentication algorithm
using the 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
Time-based_one-time_password
Information used for message authentication and integrity checking
cryptographic primitives, like cryptographic hash functions (as in the case of HMAC) or from block cipher algorithms (OMAC, CCM, GCM, and PMAC). However many
Message_authentication_code
Message-digest hashing algorithm
informational RFC 6151 was approved to update the security considerations in MD5 and HMAC-MD5. One basic requirement of any cryptographic hash function is that it
MD5
Hash function that is suitable for use in cryptography
used to break naive authentication schemes based on hash functions. The HMAC construction works around these problems. In practice, collision resistance
Cryptographic_hash_function
Proposed web cryptography standard
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
JSON_Web_Token
Cryptographic hash function
files which produced the same SHA-1 hash. However, SHA-1 is still secure for HMAC. Microsoft has discontinued SHA-1 code signing support for Windows Update
SHA-1
Malicious website exploit where unauthorized commands are transmitted from a trusted user
generated randomly, or it may be derived from the session token using HMAC: csrf_token = HMAC(session_token, application_secret) The CSRF token cookie must not
Cross-site_request_forgery
Computer network management and monitoring protocol
(Proposed|Historic) — HMAC-SHA-2 Authentication Protocols in the User-based Security Model (USM) for SNMPv3 RFC 7860 (Proposed) — HMAC-SHA-2 Authentication
Simple Network Management Protocol
Simple_Network_Management_Protocol
One-time password software applications
authentication (2FA) systems using the time-based one-time password (TOTP), the HMAC-based one-time password (HOTP) algorithms or Mobile-OTP (mOTP), which is
Comparison of OTP applications
Comparison_of_OTP_applications
Cryptography algorithm
NIST responded with HMAC, CMAC, and GMAC. HMAC was approved in 2002 as FIPS 198, The Keyed-Hash Message Authentication Code (HMAC), CMAC was released
Block cipher mode of operation
Block_cipher_mode_of_operation
Secure network protocol suite
Status Protocol (OCSP) Extensions to IKEv2 RFC 4868: Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec RFC 4945: The Internet IP Security PKI
IPsec
Attack against cryptographical hash functions
SHA-384 and SHA-512/256 are not susceptible, nor is the SHA-3 algorithm. HMAC also uses a different construction and so is not vulnerable to length extension
Length_extension_attack
Network protocol
CRAM-MD5 is a challenge–response authentication mechanism (CRAM) based on the HMAC-MD5 algorithm. As one of the mechanisms supported by the Simple Authentication
CRAM-MD5
Cryptographic secret, not public in contrast to salt
(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
Pepper_(cryptography)
Hugo Krawczyk, he introduced the Keyed-Hash Message Authentication Code (HMAC) and the formulation of the Universally Composable Security framework, which
Ran_Canetti
Open source software security toolkit library
MACs Algorithm Key size Digest size HMAC-MD5 128 128 HMAC-SHA-1 160 160 HMAC-SHA-2 256 256 / 384 / 512 Poly1305 128 128
Cryptlib
Computer authentication protocol
Setspn | Microsoft Docs Tom, Yu; Love, Astrand (2012). "Deprecate DES, RC4-HMAC-EXP, and Other Weak Cryptographic Algorithms in Kerberos". doi:10.17487/RFC6649
Kerberos_(protocol)
Method of negotiating credentials between web server and browser
systems, such as the development of keyed-hash message authentication code (HMAC). Although the cryptographic construction that is used is based on the MD5
Digest_access_authentication
Encryption method
EtM with RFC 7366. Various EtM ciphersuites exist for SSHv2 as well (e.g., hmac[email protected]). A MAC is produced based on the plaintext, and the
Authenticated_encryption
Hash functions
of attack. While it is possible to add a key to an unkeyed hash function (HMAC is a popular technique), SipHash is much more efficient. Functions in SipHash
SipHash
Suite of Microsoft security protocols
time, CC2, domain name) v2-Hash = HMAC-MD5(NT-Hash, user name, domain name) LMv2 = HMAC-MD5(v2-Hash, SC, CC) NTv2 = HMAC-MD5(v2-Hash, SC, CC*) response =
NTLM
Changing keyless entry code for extra security
keypresses. HMAC-based one-time password employed widely in multi-factor authentication uses similar approach, but with pre-shared secret key and HMAC instead
Rolling_code
Arts and cultural center in Pennsylvania, US
– HMAC". Retrieved 2021-09-16. "H·MAC Capitol Room – HMAC". Retrieved 2021-09-16. "Social media firestorm over rape report singes Harrisburg's HMAC".
Harrisburg Midtown Arts Center
Harrisburg_Midtown_Arts_Center
Small network-layer delivery protocol for cubesats
packets with XTEA in CTR mode. Optional support for HMAC authenticated packets with truncated SHA-1 HMAC. CSP should compile on all platforms that have a
Cubesat_Space_Protocol
Security profile for Real-time Transport Protocol
from replay. To authenticate the message and protect its integrity, the HMAC-SHA1 algorithm is used. This produces a 160-bit result, which is then truncated
Secure Real-time Transport Protocol
Secure_Real-time_Transport_Protocol
Computer network routing protocol
password authentication and cryptographic authentication using HMAC-MD5, as well as HMAC-SHA variants. To mitigate replay attacks, IS-IS uses sequence
IS-IS
Computer-networking protocol defined in RFC 2845
updates. Although still in common usage, the HMAC-MD5 digest is no longer considered very secure. HMAC-SHA256 is preferred. [citation needed] As a result
TSIG
Method of web development
it is, and a shared secret or digital signature to verify the webhook. An HMAC signature can be included as an HTTP header. GitHub, Stripe and Facebook
Webhook
Password cracking dataset
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Rainbow_table
Type of functions designed for being unsolvable by root-finding algorithms
calls Hash DRBG. An HMAC primitive can be used as a base of a CSPRNG, for example, as part of the construct that NIST calls HMAC DRBG. The Blum Blum Shub
Cryptographically secure pseudorandom number generator
Cryptographically_secure_pseudorandom_number_generator
Data used to detect errors in other data
systems with these two specific design goals[clarification needed], see HMAC. Check digits and parity bits are special cases of checksums, appropriate
Checksum
Term
of school belonging. The Hemingway Measure of Adolescent Connectedness (HMAC) was constructed by Michael Karcher in 1999 and has been used in research
School_belonging
American politician
Appropriations - Human Services Committee (HAPH) Citizen Impact Subcommittee (HMAC-CITI) Housing Committee (SHOU) Immigration & Human Rights Committee (SIHR)
Anne_Stava
Cryptographic attack
resistance, thus collision attacks do not affect their security. For example, HMACs are not vulnerable. For the attack to be useful, the attacker must be in
Collision_attack
Random data used as an additional input to a hash function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Salt_(cryptography)
Type of standardized secure cryptoprocessors
compatible with TPM 1.2. The TPM 2.0 policy authorization includes the 1.2 HMAC, locality, physical presence, and PCR. It adds authorization based on an
Trusted_Platform_Module
Cryptographic hash function
an allocation under the GNU organization subtree. In the IPsec subtree, HMAC-TIGER is assigned OID 1.3.6.1.5.5.8.1.3. No OID for TTH has been announced
Tiger_(hash_function)
Commercial service for proxied Internet access
2 with perfect forward secrecy (ECDHE), 128-bit AES data encryption, and HMAC message authentication.{{cite web}}: CS1 maint: deprecated archival service
VPN_service
Type of data structure
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Merkle_tree
Type of challenge–response authentication
follows: ClientKey = HMAC(SaltedPassword, 'Client Key') ServerKey = HMAC(SaltedPassword, 'Server Key') ClientProof = p = ClientKey XOR HMAC(H(ClientKey), Auth)
Salted Challenge Response Authentication Mechanism
Salted_Challenge_Response_Authentication_Mechanism
Cryptographic key management algorithm
authentication codes (MAC, authentication) Keyed-hash message authentication code (HMAC) based on SHA-256, for symmetric encryption the Advanced Encryption Standard
Double_Ratchet_Algorithm
Techniques to protect against brute-force attack
https://gist.github.com/epixoip/47098d25f171ec1808b519615be1b90d , PBKDF2-HMAC-SHA1 with 1,000 iterations costs 2,002 SHA-1 hashes at a speed of 5,164.9
Key_stretching
Security protocol for wireless computer networks
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
Wi-Fi_Protected_Access
Cryptographic hash function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
SWIFFT
Open competition to select password hash functions
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Password_Hashing_Competition
Competition to design encryption schemes
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
CAESAR_Competition
American politician
Education Committee (HAPE) (Chairwoman of) Citizen Impact Subcommittee (HMAC-CITI) (Chairwoman of) Elementary & Secondary Education: Administration, Licenses
Sue_Scherer
Hardware authentication device by Yubico
OATH applet can store seeds for time-based one-time passwords (TOTP) or HMAC-based one-time passwords (HOTP). The YubiKey 5 Series also has a PIV (a smart
YubiKey
Cryptographic hash function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
N-hash
Cryptographic hash function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Elliptic_curve_only_hash
SSH library in C language
x509v3-ecdsa-sha2-nistp384 x509v3-ecdsa-sha2-nistp521 hmac-sha1 hmac-sha1-96 hmac-sha2-256 aes128-cbc aes192-cbc aes256-cbc aes128-ctr aes192-ctr
WolfSSH
Number of standards related to cryptography
160-bit (obsolete) SHA-2 available in 224, 256, 384, and 512-bit variants HMAC keyed hash PBKDF2 Key derivation function (RFC 2898) Digital Signature Standard
Cryptography_standards
Cryptographic network protocol
DSA for public-key cryptography. ECDH and Diffie–Hellman for key exchange. HMAC, AEAD and UMAC for MAC. AES (and deprecated RC4, 3DES, DES) for symmetric
Secure_Shell
Set of cryptographic hash functions
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
SHA-3
Network protocol that builds a loop-free logical topology for Ethernet networks
Configuration Name Revision Level and the Configuration Digest: A 16B signature HMAC-MD5 Algorithms created from the MST Configuration Table. This object is specific
Multiple Spanning Tree Protocol
Multiple_Spanning_Tree_Protocol
Instruction set extensions accelerating AES operations
based ESP32-C (as well as Xtensa-based ESP32), support AES, SHA, RSA, RNG, HMAC, digital signature and XTS 128 for flash. Bouffalo Labs BL602/604 32-bit
AES_instruction_set
Cryptographer
oracle model, modes of operation, HMAC, and models for key exchange. Bellare's papers cover topics including: HMAC Random oracle OAEP Probabilistic signature
Mihir_Bellare
Collaboration to develop an open reference for strong authentication
authorization, however, most logging systems employ a mixture of both. HOTP: An HMAC-based one-time password algorithm (RFC 4226) TOTP: Time-based one-time password
Initiative for Open Authentication
Initiative_for_Open_Authentication
Elliptic-curve Diffie–Hellman ECDSA Equihash Feistel cipher Hash chain HMAC HMAC-based one-time password Key schedule Key wrap L3cos Linear-feedback shift
List of cryptographic software
List_of_cryptographic_software
Password-based key derivation function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Bcrypt
Digital copy protection
algorithms, such as 128-bit AES with 3072 or 1024-bit RSA public key and 256-bit HMAC-SHA256 hash function. While all of the HDCP v1.x specifications support backward
High-bandwidth Digital Content Protection
High-bandwidth_Digital_Content_Protection
Mapping arbitrary data to fixed-size values
functions can generate MACs ensuring the genuineness of the data, such as in HMACs. Password storage: The password's hash value does not expose any password
Hash_function
Password-based key derivation function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Yescrypt
Initiative for mobile device-based privacy-preserving contact tracing
j}={\text{Truncate}}(HMAC(dtk_{i},{\text{'CT-RPI'}}||TIN_{j}),16)} , where H M A C ( Key, Data ) {\displaystyle HMAC({\text{Key, Data}})} is a HMAC function using
Exposure_Notification
System to verify the source and or authenticity of a message
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Message_authentication
American politician
Appropriations - Human Services Committee (HAPH) Citizen Impact Subcommittee (HMAC-CITI) Cybersecurity, Data Analytics, & IT Committee (HCDA) (Chairwoman of)
LaToya_Greenwood
Russian cryptographic hash function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
GOST_(hash_function)
Argentine-Israeli cryptographer
Krawczyk is an Argentine-Israeli cryptographer best known for co-inventing the HMAC message authentication algorithm and contributing in fundamental ways to
Hugo_Krawczyk
Privacy-focused encrypted messaging app
decrypted by their recipient. The cMix protocol uses XChaCha20, BLAKE2b, HMAC-SHA-256, Diffie–Hellman key exchange, and Supersingular isogeny key exchange
Xx_messenger
American politician (born 1948)
committees: Adoption & Child Welfare Committee (HACW) Citizen Impact Subcommittee (HMAC-CITI) Human Services Committee (HHSV) Judiciary - Criminal Committee (HJUC)
Amy_Grant_(politician)
Framework for authentication and data security in Internet protocols
an S/KEY mechanism. CRAM-MD5 a simple challenge-response scheme based on HMAC-MD5. DIGEST-MD5 (historic), partially HTTP Digest compatible challenge-response
Simple Authentication and Security Layer
Simple_Authentication_and_Security_Layer
Non-federated cryptographic protocol
including SIV-style AEAD schemes or a composition of AES-256 in CBC mode with HMAC. The development of the Signal Protocol was started by Trevor Perrin and
Signal_Protocol
Property of cryptographic hash functions
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Puzzle_friendliness
South Korean boy group
States Agora Theatre and Ballroom Yongseung testing positive for COVID-19 December 19, 2021 Harrisburg HMAC December 20, 2021 New York City Sony Hall
Verivery
Multi-channel broadcaster, subsidiary of the BBC
uk/docs/tBApqZfiUFwkgCxiyxsR8G6XgBx-UfnIVttmwyLdppc/application-pdf?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIAWRGBDB
UKTV
Extension of Internet protocol
ESMTP authentication (ESMTPA) is CRAM-MD5, and uses of the MD5 algorithm in HMACs (hash-based message authentication codes) are still considered sound. The
SMTP_Authentication
Key derivative function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Lyra2
if HTTPS proxy is configured. Chef 10.14.0+ (called why-run mode) HMAC: Uses HMAC signatures on all network traffic. Certificates: Uses SSL X.509 Certificates
Comparison of open-source configuration management software
Comparison_of_open-source_configuration_management_software
Defunct password management software
128-bit keys in CBC mode with PKCS5 padding All encrypted data includes a MAC (HMAC-SHA1) List of password managers GPL-3.0-only since 2014-07-31. "Mitro is
Mitro
Cryptographic hash function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
HAS-160
Type of message authentication code
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
UMAC_(cryptography)
Method of building collision-resistant cryptographic hash functions
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Merkle–Damgård_construction
Computer password management utility
(KDBX database format), the authenticity of the data is ensured using a HMAC-SHA-256 hash of the ciphertext (Encrypt-then-MAC construction). KeePassX
KeePass
Smart card
2.2.2 (03.2006) Added support for SHA-256, SHA-384, SHA-512, ISO9796-2, HMAC, Korean SEED MAC NOPAD, Korean SEED NOPAD. Version 2.2.1 (10.2003) Oracle
Java_Card
Launch vehicle design funded by Space Services Inc.
1229 4 2 Castor-4B 1 Castor-4B Star-48V HMACS - 363 kg Conestoga 1379 4 3 Castor-4B 1 Castor-4B Star-63V HMACS - 770 kg Conestoga 1620 4 4 Castor-4A/B
Conestoga_(rocket)
File archiver
256-bit key in CBC mode, using key derivation function based on PBKDF2 using HMAC-SHA256 Optional data redundancy is provided in the form of Reed–Solomon recovery
WinRAR
Distributed publish-subscribe communication protocol
share a secret with the hub, which will be used by the hub to compute an HMAC key that will be sent to the subscriber. The latter can then easily verify
WebSub
2015 password-based key derivation function
purpose key derivation functions HKDF KDF1/KDF2 MAC functions CBC-MAC DAA GMAC HMAC NMAC OMAC/CMAC PMAC Poly1305 SipHash UMAC VMAC Authenticated encryption modes
Argon2
(symmetric authentication algorithms, which take a key as a parameter): HMAC: keyed-hash message authentication Poly1305 SipHash Secret sharing, secret
List_of_algorithms
Authenticated encryption mode for block ciphers
Shay. "AES-GCM for Efficient Authenticated Encryption – Ending the Reign of HMAC-SHA-1?" (PDF). Workshop on Real-World Cryptography. Retrieved 8 February
Galois/Counter_Mode
Message authentication code algorithm
be recommended to use a different mode of operation, for example, CMAC or HMAC to protect the integrity of variable-length messages. One solution is to
CBC-MAC
HMAC
HMAC
HMAC
HMAC
Female
English
English variant spelling of French Marceline, MARCELYN means "defense" or "of the sea."
Girl/Female
Greek Spanish
Beautiful. Jacinth is derived from the name of a precious stone. This name is also related to...
Male
Scottish
 Pet form of Scottish Gaelic Dà ibhidh, DAVIE means "beloved." Compare with another form of Davie.
Boy/Male
Tamil
Mahakaleshwar | மஹாகாலேஷà¯à®µà®°
Lord Shiva
Girl/Female
Tamil
Flower
Male
Hindi/Indian
(मोहन) Hindi name MOHAN means "attractive, bewitching."
Biblical
the mercy of the Lord
Boy/Male
Arabic
Wonderful
Girl/Female
Arabic, Muslim
Freedom; Liberty
Male
Finnish
Finnish form of Greek Stephanos, TEFANUS means "crown."
HMAC
HMAC
HMAC
HMAC
HMAC