linux:ubuntu:openssl_examples

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linux:ubuntu:openssl_examples [2019/10/31 09:05] (current) – created - external edit 127.0.0.1
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 +====== 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 09:05
  • by 127.0.0.1