Linux "crl2pkcs7" Command Line Options and Examples
Create a PKCS#7 structure from a CRL and certificates
The crl2pkcs7 command takes an optional CRL and one or more certificates and converts them into a PKCS#7 degenerate "certificates only" structure..
openssl crl2pkcs7 [-help] [-inform PEM|DER] [-outform PEM|DER] [-in filename] [-out filename] [-certfile filename] [-nocrl]
Command Line Options:
Print out a usage message.
crl2pkcs7 -help ...
This specifies the CRL input format. DER format is DER encoded CRL structure.PEM (the default) is a base64 encoded version of theDER form with header and footer lines.
crl2pkcs7 -inform ...
This specifies the PKCS#7 structure output format. DER format is DER encoded PKCS#7 structure.PEM (the default) is a base64encoded version of the DER form with header and footer lines.
crl2pkcs7 -outform ...
This specifies the input filename to read a CRL from or standard input if this option is not specified.
crl2pkcs7 -in ...
specifies the output filename to write the PKCS#7 structure to or standard output by default.
crl2pkcs7 -out ...
specifies a filename containing one or more certificates in PEM format. All certificates in the file will be added to the PKCS#7structure. This option can be used more than once to read certificates form multiple files.
crl2pkcs7 -certfile ...
normally a CRL is included in the output file. With this option no CRL is included in the output file and a CRL is not read fromthe input file.EXAMPLESCreate a PKCS#7 structure from a certificate and CRL:openssl crl2pkcs7 -in crl.pem -certfile cert.pem -out p7.pemCreates a PKCS#7 structure in DER format with no CRL from several different certificates:openssl crl2pkcs7 -nocrl -certfile newcert.pem
crl2pkcs7 -nocrl ...