Cryptography

Gayatri

The process of signing your document digitally can be termed as the digital signature. The digital signature will ensure the document from the sender not from the others or outsiders. The digital signatures will be helpful as those are more efficient as well as those are very difficult to forgeries as well as time stamped. The message in this case, would have to reach the receiver is the same person who send without any changes as it will help in bringing more efficiency in this aspect (Halevi, Krawczyk, 2019).

The digital signature would work by following few things. Few of them are:

1. Next, we have to use the private key which should be purchased from the trusted public private key for encrypting the message hash.

2. There should be a complete document with the help of special software as the digital signature of yours.

Looking at it from the advantage’s perspective

· Looking at it from security, here we can probably look at it, there could not be any specific chance of rewriting once send and no more time stamped.

· Looking at it from authenticity, the digital signed document can be helpful to stand up in the court as well

· ; Looking at it from tracking, the digital signed documents can be tracked and saved in the short span of time.

 Disadvantages: Well, there are few disadvantages for this digital signature. Few of them are:

· With respect to the Software, the message hash special software has to be used for these documents and they need to buy a verification software.

· With respect to the compatibility, there are many signature standards and they are not compatible to each other (Kittur, Pais, 2017).

Reference

Halevi, S. & Krawczyk, H. (2019). Strengthening digital signatures via randomized hashing. Retrieved from,

https://link.springer.com/chapter/10.1007/11818175_3

Kittur, A. S. & Pais, A. R. (2017). Batch verification of digital signatures: approaches and challenges. Retrieved from,

https://www.sciencedirect.com/science/article/abs/pii/S2214212617301862

Preethi

The digital signature is the most secure and transparent means of authentication available today. One example of this is the digital signature that enables us to take possession of a package online. It is a strong indicator that has not tampered with that package or any other package and can safely assure that the package has not been delivered to any other address or has failed in delivery. It provides consumers with the security to purchase and use products and services from any point globally. Another example of how this new system enhances business convenience is the use of mobile payment applications. While today we utilize credit and debit cards to spend money electronically, the new system of digital IDs simplifies the electronic payment process. Every step of the EPS system is encrypted, with one digital signature per transaction, making it impossible for hackers or anyone else to compromise. Additionally, while credit cards and debit cards do not have an account, the EPS system keeps all information safe, not only identity but also transactions, account numbers, and balance. The EPS system can use existing financial and electronic payment systems (He, Xin, & Yang, 2021).

Digital signatures are an essential component of modern cryptography. Digital signatures are not ideal. To create a secure system, we will have to find some way to make them reliable. It is important to note that digital signatures are limited in this respect in the case of public RSA key p, there is no way for an attacker to determine the existence of the corresponding private key. However, when private RSA keys have by a company that operates only online, they might have multiple key pairs available, thus weakening the possibility. That it is possible to know whether key one is used to signing the transaction or whether key two have used (Imamverdiyev & Abbasov, 2021).

 

References

He, Q., Xin, X., & Yang, Q. (2021). Security analysis and improvement of a quantum multi-signature protocol. Quantum Information Processing, 20(1), 1-21.

Imamverdiyev, Y. N., & Abbasov, H. H. (2021). NATIONAL E-SIGNATURE INFRASTRUCTURE: CURRENT PROBLEMS OF SCIENTIFIC RESEARCH. Problems of Information Technology, 33-45.