SIG-LIST-TO-CERTS(1) User Commands SIG-LIST-TO-CERTS(1) (NAME) sig-list-to-certs - EFI openssl (SYNOPSIS) sig-list-to-certs < efi> < > (DESCRIPTION) < efi> openssl DER < >.n ( n 0 ). (EXAMPLES) UEFI dmpstore : dmpstore PK > PK.uc16 UC-16 : iconv -f utf-16 PK.uc16 > PK.txt : Dump Variable pk Variable NV+RT+BS 'Efi:PK' DataSize = 2DA (hex dump) . xxd EFI : xxd -r PK.txt > PK.esl openssl : sig-list-to-certs PK.esl PK : X509 Header sls=730, header=0, sig=686 file PK.0: Guid 77fa9abd-0359-4d32-4d60-28f4e78f784b Written 686 bytes : openssl x509 -text -inform DER -in PK.0 X509 . Usage: ./sig-list-to-certs January 2026 SIG-LIST-TO-CERTS(1)