What is Digital Signature?
A Digital Signature is an electronic form of a signature. A digital signature authenticates digital messages or documents with a secure digital key that certifies the identity of the file holder. DSC is issued by a Certifying Authority (CA). Digital Signing Certificate contains your identity (name, email, country, APNIC account name and your public key). Digital signatures give confidence to customers, citizens, and consumers by authenticating electronic files which came from the originating organization and any individual sources.
Digital Signatures are a quality component of most cryptographic protocol suites. Digital Signatures (DSC) are commonly used for financial transactions, software distribution, contract management software, and in other cases where it is important to detect the forgery or tampering detection.
Organizations are using digital signing documents instead of paper documents for day to day transactions or communications depending on their requirements. When you need to create a digital signature you need to have a signing certificate, which proves your identity and secure authentication for your documents. Whenever you send a digitally signed files or documents along with this send your certificate and public key.
The following professionals need to have Digital Signing Certificate (DSC):
- Company Secretary
- Bank Officials
- HOD’s & more
This Digital Certificate is issued by a Certificate Authority (CA) to verify the identity of the certificate holder. The Certificate Authority issues an authenticated encryption for the digital certificate containing two separate certificate parts i.e. with public and private keys, one for signing (authenticating) and another for encrypting/decrypting electronic messages.
Digital Certificate Contains:
- Name of a certificate holder.
- Serial number which is used to uniquely identify a certificate, the individual or the entity identified by the certificate
- Certificate expiration dates.
- Copy of certificate holder’s public key.(used for encrypting messages and digital signatures)
- Digital Signature of the certificate issuing authority.
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