Digital signature is an electronic equivalent of traditional wax seal. Digital signature is the process of signing a document or message with a private key. The message is encrypted by the sender’s private key which retains its confidentiality. It can be verified by the receiver with public key cryptography and the corresponding public key which is well-known. Digital signature ensures that a document or message is not changed before it arrives at its destination. It can be used for legal activities such as signing a contract or verifying a digital certificate. They also provide digital signatures the ability to certify data has not been tampered with. Digital signatures are also helpful in protecting passwords and tracking access to secure messages and documents on a computer.
Digital signatures are also helpful in protecting passwords. Digital signature is playing an important role in electronic transactions. No matter, where you go and what you do, you’ll always find a need for digital signature. The future of digital signature is quite bright and the technology will help the world move a lot faster.