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This section describes how to securely digitally sign PDF documents using C#. The terms electronic signature and digital signature are used interchangeably, but essentially the two are different. More generally, a digital signature comes with a certification authority approved seal and is used to protect the signed document from tampering. Instead, an electronic signature is often used to demonstrate the intention to sign a document.
Aspose.PDF supports digital signatures:
Digest algorithms for PKCS7 detached:
It is recommended to avoid digital signatures with the SHA-1 digest algorithm due to its insecurity.
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