Enter a command. For example: clang cpp, pdfgrep, svgo, xcv, lt.

openssl x509

OpenSSL command to manage X.509 certificates. More information:
  • Display certificate information:
    openssl x509 -in {{filename.crt}} -noout -text
  • Display a certificate's expiration date:
    openssl x509 -enddate -noout -in {{filename.pem}}
  • Convert a certificate between binary DER encoding and textual PEM encoding:
    openssl x509 -inform {{der}} -outform {{pem}} -in {{original_certificate_file}} -out {{converted_certificate_file}}
  • Store a certificate's public key in a file:
    openssl x509 -in {{certificate_file}} -noout -pubkey -out {{output_file}}

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