Digital Signatures Across Time

Digital Signatures Across Time

Digital Signatures have come a long way from even a decade ago. In 1977 Ronald Rivest, Adi Shamir and Len Adleman invented the RSA algorithm, which was the first algorithm that was used to produce an early version of a digital signature. Then, in 1994, the US...
The Powerful Work of Annotations

The Powerful Work of Annotations

Annotations are hugely popular in many different text processing tools, like Microsoft Word, Google Docs, etc, but have you ever considered the uses of annotations in PDF documents through our PDF Software Development Kits (SDKs)? Annotations, in the broad sense,...