Test vectors and certificates for the "Path Validation Testing Program"
 portion of the NIST Public Key Infrastructure Testing suite: https://csrc.nist.gov/projects/pki-testing.

Vectors are extracted from the provided PDF: https://csrc.nist.gov/CSRC/media/Projects/PKI-Testing/documents/PKITS.pdf.

Vectors and test material are public domain (United States Government Work under 17 U.S.C. 105).