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Hash Message Authentication Code

The Keyed-Hash Message Authentication Code (HMAC)

The Keyed-Hash Message Authentication Code (HMAC)

... Keyed- Hash Message Authentication Code (HMAC) ...The authentication mechanism described in this Standard may be implemented in software, firmware, hardware, or any combination ...

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CRYPTOGRAPHIC KEY COMMUNICATION PROTOCOL USING ELLIPTIC CURVE OVER FINITE FIELD WITH NESTED CONSTRUCTION OF HASH MESSAGE AUTHENTICATION CODE

CRYPTOGRAPHIC KEY COMMUNICATION PROTOCOL USING ELLIPTIC CURVE OVER FINITE FIELD WITH NESTED CONSTRUCTION OF HASH MESSAGE AUTHENTICATION CODE

... of Hash Message Authentication Code (NMAC) is tagged to the communicated key ...the message the using the cryptographic hash function to provide additional integrity and ...

5

Advancing the Cryptographic Hash-Based Message Authentication Code

Advancing the Cryptographic Hash-Based Message Authentication Code

... Abstract — In today’s word the authentication is very much required for the purpose of the transfer of the information from one place to another. Now a day’s the use of E-mail become very popular because of their ...

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Message Authentication and Hash Functions

Message Authentication and Hash Functions

... ble-size message M ize message M as as input and produce input and produces s a a fix fixed- ed- size hash code H(M){ some times called message digest} as output size hash ...

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A Secured Authorized Data Deduplication in Cloud using Hash based Message Authentication Code

A Secured Authorized Data Deduplication in Cloud using Hash based Message Authentication Code

... KCG College of Technology, Chennai 600097 Department of Information Technology KCG College of Technology, Chennai 600097 Abstract Data Deduplication is a technique of reducing the storage space of data by eliminating the ...

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FRMAC,  a  Fast  Randomized  Message  Authentication  Code

FRMAC, a Fast Randomized Message Authentication Code

... Unfortunately, RMAC is not an efficient software MAC. So, FRMAC, the MAC that we study in this paper, combines the best part of both approaches. It consists, as in the Wegman-Carter approach, in using at first a ...

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Dynamic Message Authentication Code for Short Messages

Dynamic Message Authentication Code for Short Messages

... universal hash classes” the purpose of this traditional theory of unconditional authentication (A-Codes) is to protect the transmitter and receiver from deception by an outside ...

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THE MARVIN MESSAGE AUTHENTICATION CODE AND THE LETTERSOUP AUTHENTICATED ENCRYPTION SCHEME

THE MARVIN MESSAGE AUTHENTICATION CODE AND THE LETTERSOUP AUTHENTICATED ENCRYPTION SCHEME

... The Marvin structure closely follows the randomize-then-combine paradigm, intro- duced by Bellare and Micciancio in the context of incremental hash function design [4]. The advantage of this approach is twofold: ...

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A STUDY ON MULTIFACTOR AUTHENTICATION MODEL USING FINGERPRINT HASH CODE, PASSWORD AND OTP

A STUDY ON MULTIFACTOR AUTHENTICATION MODEL USING FINGERPRINT HASH CODE, PASSWORD AND OTP

... Process message in 16-word blocks Step-5: Finally, we get the 32-bit Hash code as output ...Multifactor Authentication Model Using Fingerprint Hash Code, OTP, and Password: ...

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Secured Hash2 based Message Authentication Code using GUI Controls

Secured Hash2 based Message Authentication Code using GUI Controls

... this hash function satisfies ...existing hash functions like MD5, SHA0, and SHA1 ...employed hash function these days and the hash value it computes is used to verify the integrity of copies ...

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Trustworthy Argument Auditing for Shared Cloud Data with Message Authentication Code

Trustworthy Argument Auditing for Shared Cloud Data with Message Authentication Code

... file. Message digest algorithm provides a viable option to enforce data confidentiality while realizing ...cryptographic hash value of the content of the data copy we can obtain the ...checking. ...

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Authentication in stealth distributed hash tables

Authentication in stealth distributed hash tables

... Further investigation involved repeatedly benchmarking the authentication code on the PlanetLab nodes used. In all benchmarks, timing precision was ensured by recording the aggregate elapsed times over many ...

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Variants  of  Wegman-Carter  Message  Authentication  Code  Supporting  Variable  Tag  Lengths

Variants of Wegman-Carter Message Authentication Code Supporting Variable Tag Lengths

... The hash function {Hash τ } τ∈Θ may be such that, the differential probability of the hash function may depend on the lengths of the particular ...polynomial hash, the degree of the polynomial ...

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3C-   A  Provably  Secure  Pseudorandom  Function   and  Message  Authentication  Code.A  New  mode  of  operation  for  Cryptographic  Hash  Function

3C- A Provably Secure Pseudorandom Function and Message Authentication Code.A New mode of operation for Cryptographic Hash Function

... (PRF), message authentication code (MAC) and cryptographic hash ...of hash function operation for the hash functions based on Merkle-Damg˚ ard construction such as MD5 and ...3C- ...

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Message Authentication Code

Message Authentication Code

... the message were supposed to be delivered (force c 2 to arrive before c 1 ) • Replay attack: to replay a previously sent valid ciphertext • Reflection attack: to change the direction of the message and ...

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CiteSeerX — Keying hash functions for message authentication

CiteSeerX — Keying hash functions for message authentication

... cryptographic hash functions: the popular hash functions are faster than block ciphers in software implementation; these software implementations are readily and freely available; and the functions are not ...

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Cryptographic Hash Functions Message Authentication Digital Signatures

Cryptographic Hash Functions Message Authentication Digital Signatures

... • Collision-resistant hash functions can be built from collision-resistant compression functions using Merkle-Damgard. construction..[r] ...

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Noninteractive  Manual  Channel   Message  Authentication  Based  On  eTCR  Hash  Functions

Noninteractive Manual Channel Message Authentication Based On eTCR Hash Functions

... for hash functions and proposed a NIMAP (referred to as MS protocol) that is provably secure assuming the hash function is ...for hash functions and so the protocol is of interest because it achieves ...

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Designing Hash functions. Reviewing... Message Authentication Codes. and message authentication codes. We have seen how to authenticate messages:

Designing Hash functions. Reviewing... Message Authentication Codes. and message authentication codes. We have seen how to authenticate messages:

... • As we have seen, both EtA and AtE are secure if CBC is the encryption mode, and two keys are used. – If CBC is the mode for encryption (common case), then AtE is often preferred, because it allows saving the plaintext ...

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Short-output  universal  hash  functions   and  their  use  in  fast   and  secure  message  authentication

Short-output universal hash functions and their use in fast and secure message authentication

... construct message authentication codes, we would like to point out that short-output UHF on its own has found applications in manual authentication protocols [7, 12, 13, 15, 9, 16–19, ...of ...

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