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Documents which are considered as "Originals", e.g. degree certificates, bills
of lading, etc. need a mechanism for authenticating the information on them
offline. i.e. these documents should hold information which cannot be tampered
with unnoticed, which can help verify if the document contents are original or
not. This is called printing with "anti-forgery" mechanisms. This mechanism does
not prevent copying of the document.
KAPS uses public domain technology of RSA key pairs to achieve this. The private
key of the customer's key pair is used to encode key data in a document, such as
name, grades, invoice amounts, id numbers etc. and prints this data in 2-dimentional
BAR Codes of the customer's choice on the document. This 2-D BAR Code can then
be read back at the verification end and decrypted using the public key of the
customer.
This mechanism is already being used by several educational institutes and
government bodies, for printing documents whose contents can be verified
off-line.
Please contact KAPS for further details on this technology and how it can be
applied to your unique requirements.
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