Why use a digital signature and what is needed to create one?

However, information security, authentication is the most serious issue in e-transaction and internet environment. This is the state responsibility to maintain laws and order in the society likewise this is also the responsibility for government to maintain law and order in the information technology world and specially in the internet world where lot of e-transactions are live every moment.

In the business culture the security is one of the most important issues and including the best security digital signature also helps in maintaining social and health business environment. Business is not only a profit making but also maintaining environment healthy also Implementation of digital signature helps to maintain habit use digital device which reduce the use of paper and ongoing maintaining this habit the office became paperless which is directed related to creation healthy and green environment.

The environmental factor is one of the important terms including this use of digital medium save the lots of time. On older days the entire document is on paper form but it takes more time to deliver it paper cost is high and more requirement of human resource. Moving on digital the human resource is less and the less interaction of human moves the office culture in automation which enables the service delivery in fast reliable and accurate way.

The main social benefit of digital signature on social environment is mainly maintaining healthy environment saving physical things like paper saving time and moving to less human interactive automated office environment which create service oriented business.

Including social factor the digital signature maintain secure business logic communication maintaining

Data Security

The digital signature proved the legal validation of Data, Genuine source, public and private key one for encryption and another decryption, Encryption of data with secure key and valid by authorized CA are the security feature of Digital Signature which assist The security of confidential business data.

Authentication /Identification

The message or information which is sending through digital medium may not be accurate. The digital signature can but used to authenticate the origin and validation of message.

Although messages may often include information about the entity sending a message, that information may not be accurate. When ownership of a digital signature secret key is bound to a specific user, a valid signature shows that the message was sent by that user.

For example, suppose a one office branch office sends instructions to the central office requesting a change in the name user. If the central office is not convinced that such a message is truly sent from an authorized source, acting on such a request could be a grave mistake.

Integrity

In many case the sender and receiver of message may have need confidence that the message has not been altered during transmission. Although encryption hides the original content to unusual content which is impossible to understand and alter the message. But can be decry-pt by authorized person. Since, if a message is digitally signed, any change in the message after signature invalidates the signature.

Non-repudiation

Non-repudiation, or more specifically non-replication of origin, It is an important aspect of digital signatures. By this asset, an entity that has signed some information cannot at a later time deny having signed it. Similarly, access to the public key only disabled a fraudulent party to fake a valid signature.

Access Control
Access to the protected information system is only authenticated by the intended person or entity.