Show pageOld revisionsBacklinksExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Convert certificates with OpenSSL ====== ===== DER ===== <code bash| Convert a DER file (.crt .cer .der) to PEM> openssl x509 -inform der -in certificate.cer -out certificate.pem </code> ===== PEM ===== <code bash| Convert a PEM file to DER> openssl x509 -outform der -in certificate.pem -out certificate.der </code> <code bash| Convert a PEM file to P7B> openssl crl2pkcs7 -nocrl -certfile certificate.cer -out certificate.p7b -certfile CACert.cer </code> <code bash| Convert a PEM certificate file and a private key to PKCS#12 (.pfx .p12)> openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile CACert.crt </code> ===== PFX ===== <code bash| Convert a PKCS#12 file (.pfx .p12) containing a private key and certificates to PEM> openssl pkcs12 -in keyStore.pfx -out keyStore.pem -nodes </code> You can add **-nocerts** to only output the private key or add -nokeys to only output the certificates. ===== P7B ===== <code bash| Convert a P7B to PEM> openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer </code> <code bash| Convert a P7B to PFX> openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer openssl pkcs12 -export -in certificate.cer -inkey privateKey.key -out certificate.pfx -certfile CACert.cer </code> ===== Other commands ===== <code bash| Export public key from private key> openssl rsa -in privkey.pem -pubout > key.pub </code> <code bash| Remove password from private key> openssl rsa -in [file1.key] -out [file2.key] </code> linux/ubuntu/openssl_examples.txt Last modified: 2019/10/31 09:05by 127.0.0.1