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1. 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).

2. 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/S2214212
617301862
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

3. 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.