Application of Lamport Digital Signature Scheme into the station-to-station protocol / Md Nizam Udin … [et al.]

Udin, Md Nizam and Mohd Amin, Farah Azaliney and Mat Abu, Nor Ainaa and Mohamad Sarif, Siti Nurfazlina and Mohammad Zuki, Nur Athirah (2022) Application of Lamport Digital Signature Scheme into the station-to-station protocol / Md Nizam Udin … [et al.]. Malaysian Journal of Computing (MJoC), 7 (2): 6. pp. 1139-1149. ISSN 2600-8238

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In cryptography, the key exchange protocol is very important before starting secure communication. Both parties will use an asymmetric key algorithm to exchange their keys for encryption and decryption. One of the methods to securely exchange the keys is Diffie-Hellman Key Exchange (DHKE) protocol. DHKE allows both parties to exchange their keys over the insecure public channel safely. However, DHKE protocol does not authenticate the message, making it easily exposed to third-party interruptions like Man-in-the-Middle (MitM) attack. Therefore, Station to Station (STS) protocols was introduced after modifying the DHKE protocol and adding authentication elements. Thus, this paper proposes to provide the authentication of the STS protocol by using Lamport Digital Signature Scheme. Lamport Digital Signature Scheme, also known as Lamport one-time signature scheme, gives very strong security because it can be built from any cryptographically secure one-way function and usually uses a cryptographic hash function. The results from the study are STS protocol algorithms that provide a verification scheme using the Lamport Digital Signature Scheme. As a result, both parties will obtain a common key for encryption and decryption, in which both parties play a role by using their respective digital signature for verification within the STS of this protocol.


Item Type: Article
Email / ID Num.
Udin, Md Nizam
Mohd Amin, Farah Azaliney
Mat Abu, Nor Ainaa
Mohamad Sarif, Siti Nurfazlina
Mohammad Zuki, Nur Athirah
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Computer and Mathematical Sciences
Journal or Publication Title: Malaysian Journal of Computing (MJoC)
UiTM Journal Collections: UiTM Journal > Malaysian Journal of Computing (MJoC)
ISSN: 2600-8238
Volume: 7
Number: 2
Page Range: pp. 1139-1149
Date: October 2022
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