Home Tools About Library Reports

Library - Openssl Howto

  1. Display Certificate Subject Name in a readable format
  2. Verify Certificate Chain
  3. View PKCS#12 file
  4. Convert PKCS#12 to PEM format
  5. View PKCS#7 certificates
  6. Convert PKCS#7 to DER format
  7. Convert Certificate from DER to PEM format
  8. Display Certificate's thumbprint

    Display Certificate Subject name in readable format

    openssl x509 -in CERTIFICATE_FILE -noout -subject -nameopt multiline,-lname,-align


    To verify a certificate chain

    openssl verify CERTIFICATE_FILE

    The file CERTIFICATE_FILE contain the intermediate certificate first and the servers certificate.

    Check your Certificate using the Certificate Check tool at the bottom of the page


    To view a PKCS#12 file using openssl command

    openssl pkcs12 -in CertName.p12

    A PKCS#14 file contains the certificate, private key and all the intermediate certificate's in a certificate chain and is encrypted with a password.

    Alternatively use PKCS12 view Tool


    Convert PKCS#12 file to pem format using openssl command

    openssl x509 -inform der -in certname.p12 -out convertedfile


    To view PKCS#7 files using openssl command

    The PKCS #7 format enables the transfer of a certificate and all the certificates in its certification path from one computer to another, or from a computer to removable media. PKCS #7 files typically use the .p7b extension, and are compatible with the ITU-T X.509 standard

    openssl pkcs7 -in filename_containing_cert -print_certs -out cert.pem


    Convert a PKCS#7 file from PEM to DER using openssl command

    command: openssl pkcs7 -in filename_containing_cert -outform DER -out file.der


    Convert a DER formatted certificate to PEM using openssl command

    openssl x509 -inform der -in certificate_file -outform pem -out newfilename.pem

    To view the Der formatted file (*.crt, *.cer, *.der)
    openssl x509 -inform der -in certificate_file -text Top

    Display Certificate Thumbprint

    To display certificate thumbprint using open source software namely openssl

    1. openssl x509 -in CERTIFICATE_FILE -noout -sha1 -fingerprint
    2. openssl x509 -in CERTIFICATE_FILE -noout -fingerprint

    Note:replace CERTIFICATE_FILE with the actual file which contains the certificate

    If you don't have access to openssl use the thumbprint viewer tool.

More Tools

Check Mail Certificate
Check Web Certificate

Online DNS tool, MX lookup, SSL Tools, Network Port List, Online Network Tools, Fast DNS lookup, OpenSSL tools
Online network reports IP owner, certificates, routing lookup, RBL lookup, Scan IP, web certificate, mail server certificate
Copyright © 2008 - 2018