Display Certificate's thumbprint
Display Certificate Subject name in readable format
openssl x509 -in CERTIFICATE_FILE -noout -subject -nameopt multiline,-lname,-align
If you don't have openssl available use our certificate viewer
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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
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To view a PKCS#12 file using openssl command
openssl pkcs12 -in CertName.p12
A PKCS#12 file contains the certificate, private key and all the intermediate certificate's in a certificate chain and is encrypted with a password.
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Convert PKCS#12 file to pem format using openssl command
openssl x509 -inform der -in certname.p12 -out convertedfile
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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
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Convert a PKCS#7 file from PEM to DER using openssl command
command: openssl pkcs7 -in filename_containing_cert -outform DER -out file.der
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Convert a DER formatted certificate to PEM using openssl command
openssl x509 -in DER_formatted_certificate -inform DER -outform PEM -out new_fil.pem
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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: Please replace CERTIFICATE_FILE with the actual file which contains the certificate
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