Imports github.com/pdfcpu/pdfcpu/pkg/pdfcpu github.com/pdfcpu/pdfcpu/pkg/api github.com/clocklock/go-rfc3161 github.com/pdfcpu/pdfcpu/pkg/log Imports in module “github.com/go-pdf-sign/go-pdf-sign” github.com/go-pdf-sign/go-pdf-sign/pkg/pdf-sign Standard library imports crypto/sha256 crypto encoding/hex encoding/asn1 fmt io io/ioutil log os