PKI offers authentication via digital certificates, which are signed and provided by Certificate Authority (CA). A certificate can be signed by single CA or multiple CAs. A document signed by multiple CAs has less probability to be forged as compared to signed by a single CA. CA is a single...

Nowadays everything is computerized including banking and personal records. Also, to boost business profits, businessmen have changed their way of operations from physical way to electronic way, for example Flipkart. But as these developments benefit the developer they also increase the chance...