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Digital Signature

What is Digital Signature (DSC)?

  • A Digital Signature (DSC) is a cryptographic technique that is used to verify the authenticity and integrity of digital documents or messages. It is the digital equivalent of a handwritten signature or a stamped seal on a physical document.
  • A DSC is created using public-key cryptography, which involves a pair of cryptographic keys: a private key and a public key. The private key is kept securely by the signer and is used to digitally sign documents, while the public key is made available to others for verification purposes. When a digital document is signed using a DSC, a unique digital fingerprint, called a hash, is generated from the contents of the document using a mathematical algorithm. The private key is then used to encrypt the hash, creating a digital signature. This signature is attached to the document, along with the signer’s public key.
  • To verify the integrity and authenticity of the document, the recipient can use the signer’s public key to decrypt the digital signature, obtaining the original hash. The recipient can then independently calculate the hash of the received document and compare it with the decrypted hash. If they match, it confirms that the document has not been altered since it was signed and that the signature is valid.

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Procedure To Obtain
IEC Registration Certificate Online