1.6.1

Fixed Bugs:

-PdfSign crashes if no TSA url is defined and LTV option is left at default (on).
-LTV enabing may fail if a TSA provides larger than expected timestamp token.

1.6.0

Added support for "Document Timestamps" (adding trusted timestamps without signing the PDF) and LTV for timestamps.

1.5.0

• Added support for PKCS11 hardware tokens
• Fixed LTV
• Added deduplication of Validation data in AdobeLtvEnabling
• Added TSA authentication
• Added PDF certification