• What is a digital signature?
  • Digital signature or digital signature scheme is a mathematical scheme for demonstrating the authenticity of a digital message or document. A valid digital signature gives a recipient reason to believe that the message was created by a known sender, and that it was not altered in transit. Digital signatures are commonly used for software distribution, financial transactions, and in other cases where it is important to detect forgery or tampering. Read more
  • Uses of digital signatures
  • As organizations move away from paper documents with ink signatures or authenticity stamps, digital signatures can provide added assurances of the evidence to provenance, identity, and status of an electronic document as well as acknowledging informed consent and approval by a signatory.
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  • eToken Pro can Generate and store users personal credentials, such as private keys, passwords and digital certificates, inside the protected environment of the smart card chip. Read more
  • Below are some common reasons for applying a digital signature to communications:
  • 1. Authentication
    Although messages may often include information about the entity sending a message, that information may not be accurate. Digital signatures can be used to authenticate the source of messages. 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. The importance of high confidence in sender authenticity is especially obvious in a financial context. For example, suppose a bank's branch office sends instructions to the central office requesting a change in the balance of an account. 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.

    2. Integrity
    In many scenarios, the sender and receiver of a message may have a need for confidence that the message has not been altered during transmission. Although encryption hides the contents of a message, it may be possible to change an encrypted message without understanding it. (Some encryption algorithms, known as nonmalleable ones, prevent this, but others do not.) However, if a message is digitally signed, any change in the message after signature will invalidate the signature. Furthermore, there is no efficient way to modify a message and its signature to produce a new message with a valid signature, because this is still considered to be computationally infeasible by most cryptographic hash functions (see collision resistance).

    2. Non-repudiation
    Non-repudiation, or more specifically non-repudiation of origin, is an important aspect of digital signatures. By this property an entity that has signed some information cannot at a later time deny having signed it. Similarly, access to the public key only does not enable a fraudulent party to fake a valid signature.
  • Where can I use a Digital Signature?
  • A Digital Signature can be used for signing encrypted e-mails, web based transactions, E-tendering, Registrar of Companies(ROC), Income Tax Return, Foreign Trade and many more applications .
  • How can I get a Digital Signature?
  • To get a Digital Signature of your required level, download the application form from our website then with the supporting documents needed along with it, which are listed in the application form itself contact us and your digital signature will be processed within hours .
  • What are the types of DSC?
  • There are 3 types of Digital Signatures used commonly depending on the level of authenticity needed for transaction:

    Class 1:
    A class 1 type digital signature will be helpful for small transactions or messages like e-mails.

    Class 2:
    A class 2 type digital signature is used for signing documents under mca21 and Income Tax return.

    Class 3:
    In a class 3 digital signature a higher level of authenticity is acquired as it is used for E-tendering and DGFT .
  • How can know the expiry of the Digital Signature Certificate?
  • To know when your digital signature certificate is going to expire Open the internet explorer

    Go to > Tools > Internet Options > Content > Certificates. In the list you can find your Digital signature certificate and click on “view�? where you can know the details of your digital signature along with the date of expiry.
  • How to check validity period of my digital signature?

Accepted by

  • MCA21 filing
  • Income Tax Filings
  • Indian Railways
  • HPCL
  • ONGC
  • DG S & D
  • NIC Chennai
  • NSDL
  • BDL
  • ONGC
  • Govt Of Bihar
  • Government of karnataka
  • Trademark, Patent and Copyright Application
  • GAIL
  • HAL
  • Govt of Andhra Pradesh eTenders
  • Airport Authority of India
  • Govt of Maharastra
  • Director General of Foreign Trade
  • Form 16 /16A
  • Provident Fund Portal
  • Customs

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