This is the command cert2spc that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
cert2spc - Transform multiple X.509 certificates to a Software Publisher Certificate
cert2spc certificate|crl [certificate|crl ...] outputfile.spc
Combine a list of X.509 certificates or X.509 CRL (Certificate Revocation List) into a
Software Publisher Certificate (PKCS#7 file). The SPC file is required for signing a PE
file (like an assembly) using signcode.
One (or more) X.509 certificate to add (space separated).
crl One (or more) X.509 CRL to add (space separated).
Software Publisher Certificate to output. If the specified file exists it will be
Use cert2spc online using onworks.net services