Certificate: convert *.crt to *.cer; *.key to *.pvk
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Select the Details tab, then select the Copy to file button.
Press Next on the Certificate Wizard.
Select Base-64 encoded X.509 (.CER), then Next.
Select Browse (to locate a destination) and type in the filename yourwebsite.
Select Next then Finished.
You now have the file yourwebsite.cer
Convert .key File to .pvk Private Key File
This blog post describes how to convert a .key file (encrypted PEM) format into a .pvk which can be used the Chilkat PrivateKey class (or CkPrivateKey).
The .key file is a text file, and if you open it in a text editor, you’ll see something like this:
-----BEGIN RSA PRIVATE KEY-----Proc-Type: 4,ENCRYPTEDDEK-Info: DES-CBC,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-----END RSA PRIVATE KEY-----
(The .key file is the type of file generated by WS_FTP.)
There is a "pvktool" at http://www.drh-consultancy.demon.co.uk/pvk.html
that can be used to convert from a .key to .pvk.
Run pvk with these options to convert:
pvk -in Test.key -strong -topvk -out Test.pvk
The tool will prompt for both input and output passwords.
Now that you have a .pvk, it may be loaded into the Chilkat PrivateKey class:
ASP: PVK to XML
SQL Server: PVK to XML
C#: PVK to XML
C++: PVK to XML
Delphi: PVK to XML
Visual FoxPro: PVK to XML
Java: PVK to XML
Perl: PVK to XML
Python: PVK to XML
Ruby: PVK to XML
VB.NET: PVK to XML
Visual Basic: PVK to XML
VBScript: PVK to XML
PEM Format
The PEM format is the most common format that Certificate Authorities issue certificates in. PEM certificates usually have extentions such as .pem, .crt, .cer, and .key. They are Base64 encoded ASCII files and contain "-----BEGIN CERTIFICATE-----" and "-----END CERTIFICATE-----" statements. Server certificates, intermediate certificates, and private keys can all be put into the PEM format.
Apache and other similar servers use PEM format certificates. Several PEM certificates, and even the private key, can be included in one file, one below the other, but most platforms, such as Apache, expect the certificates and private key to be in separate files.
DER Format
The DER format is simply a binary form of a certificate instead of the ASCII PEM format. It sometimes has a file extension of .der but it often has a file extension of .cer so the only way to tell the difference between a DER .cer file and a PEM .cer file is to open it in a text editor and look for the BEGIN/END statements. All types of certificates and private keys can be encoded in DER format. DER is typically used with Java platforms. The SSL Converter can only convert certificates to DER format. If you need to convert a private key to DER, please use the OpenSSL commands on this page.
PKCS#7/P7B Format
The PKCS#7 or P7B format is usually stored in Base64 ASCII format and has a file extention of .p7b or .p7c. P7B certificates contain "-----BEGIN PKCS7-----" and "-----END PKCS7-----" statements. A P7B file only contains certificates and chain certificates, not the private key. Several platforms support P7B files including Microsoft Windows and Java Tomcat.
PKCS#12/PFX Format
The PKCS#12 or PFX format is a binary format for storing the server certificate, any intermediate certificates, and the private key in one encryptable file. PFX files usually have extensions such as .pfx and .p12. PFX files are typically used on Windows machines to import and export certificates and private keys.
When converting a PFX file to PEM format, OpenSSL will put all the certificates and the private key into a single file. You will need to open the file in a text editor and copy each certificate and private key (including the BEGIN/END statments) to its own individual text file and save them as certificate.cer, CACert.cer, and privateKey.key respectively.
OpenSSL Commands to Convert SSL Certificates on Your Machine
It is highly recommended that you convert to and from .pfx files on your own machine using OpenSSL so you can keep the private key there. Use the following OpenSSL commands to convert SSL certificate to different formats on your own machine:
OpenSSL Convert PEM
Convert PEM to DER
openssl x509 -outform der -in certificate.pem -out certificate.der
Convert PEM to P7B
openssl crl2pkcs7 -nocrl -certfile certificate.cer -out certificate.p7b -certfile CACert.cer
Convert PEM to PFX
openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile CACert.crt
OpenSSL Convert DER
Convert DER to PEM
openssl x509 -inform der -in certificate.cer -out certificate.pem
OpenSSL Convert P7B
Convert P7B to PEM
openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer
Convert 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
OpenSSL Convert PFX
Convert PFX to PEM
openssl pkcs12 -in certificate.pfx -out certificate.cer -nodes
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