Using iText 7 PDF library and AWS KMS to Digitally Sign a PDF Document

Securing and automating digital document workflows is increasingly important in the modern business world. A crucial part of creating secure digital signatures is generating public and private keys for signing, and cloud providers such as Amazon, Google, and Microsoft now offer highly-secure cryptographic key management services. Since iText is used by many businesses and signing services to integrate secure digital signatures into PDFs, this article shows developers the steps to use iText 7 and the AWS KMS APIs to generate a digital signature and add it to a PDF document.