问题
is there a way to convert from a .key file to a .pfx file? thank you.
EDIT: I only have the .key file but my hosting provider says that I could convert it to .pfx with just that file.
回答1:
To check if your .key file has everything you need:
#check if file contains a valid certificate:
openssl x509 -text -in file.key
It should print out certificate details. If it prints an error including the text "unable to load certificate", then your file is not sufficient.
#check if file contains a valid key:
openssl rsa -text -in file.key
openssl dsa -text -in file.key
One of the above commands should print out valid key details. The other will give an error with the text "expecting an rsa key" or "expecting a dsa key".
If the error text says "bad decrypt", you have provided an invalid passphrase, or the file is damaged.
If the error text says "Expecting: ANY PRIVATE KEY", then your file is not sufficient.
If you got a key, and one certificate which matches the key (and optionally some other certificates), then you have enough to convert the file to a pfx. Then, as ISW said, it's just a matter of
#convert file containing key and certificate(s) to PKCS#12 pfx file.
openssl pkcs12 -export -out file.pfx -in file.key
and you're done.
回答2:
You could try this
https://www.sslshopper.com/ssl-converter.html
openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile CACert.crt
回答3:
According to the OpenSSL Command-Line HOWTO it should work using
# export mycert.key as PKCS#12 file mycert.pfx
openssl pkcs12 -export -out mycert.pfx -in mycert.key -name "My Certificate"
回答4:
You can convert your .key file to .pvk using the tool http://www.chilkatsoft.com/p/p_347.asp and then use the instructions on GoDaddy to combine both .scp and .pvk into a .pfk. Just make sure you use a password when generating the .pvk file.
来源：https://stackoverflow.com/questions/553149/is-it-possible-to-convert-an-ssl-certificate-from-a-key-file-to-a-pfx