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Digital Signatures can be considered as the electronic equivalent of a physical signature with ink on paper. However an electronic signature also provides certain advantages over an ink-and-paper signature. It can secure and protect a digital document by creating a signing fingerprint uniquely identifying a sender. The recipient of the document and signature confidence of the sender's identity validates that the document has not been altered by anyone else since it was signed.
Some of these main advantages are:
A digital signature allows precise identification of who created/signed a document. It can be safely assumed that when a signature is valid, you know who signed it.
A digital signature allows users to easily validate whether the contents of a document were changed after it was signed.
A digital signature ensures that the signer cannot deny that they signed the document.
PDFTron SDK benefits include:
We provide a built-in PKCS#12 parser that enables signing using existing certificates with the '.pk12' or '.pfx' file extensions. Instead of using a private key file, a buffer containing certificate data can be passed. As a third option, you may write your own signature handler to parse other signature formats.
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