Unable to load CA Private key - Bad Decrypt
Hi
I'm running the following set of commands on a PC, under WSL to create a certificate.
openssl genpkey -out device.key -algorithm RSA -pkeyopt rsa_keygen_bits:2048
successfully creates device.keyopenssl req -new -key device.key -out device.csr
successfully creates device.csropenssl rand -hex 16 > db/serial
openssl ca -config subca.conf -in device.csr -out device.crt -extensions client_ext
fails: unable to load CA private key, bad decrypt
subca.conf was created on a different PC. Would this break the encryption?
Thanks
Comments
-
What LAB is this?
Can you reference a CA private key in the configuration file?
If not, I would interpret this error as the-keyfile
option to pass a CA private key is missing.-keyfile filename The private key to sign requests with.
0 -
Thanks for the help.
I tried this, with device.key but get "CA certificate and CA private key do not match"
All the subca files were created on a different pc and the whole folder structure copied to my pc. It works fine on the pc it was all created on!
Should we create a "subca.key" file and copy that to the new pc?
0 -
Ok, so you can reference the CA cert and private key from config. Like so:
[ CA_default ] certificate = $dir/cacert.pem private_key = $dir/private/cakey.pem
Is that what you're doing?
If you want to use the CA private key and cert generated on the other computer, you should copy them. You should be able to find them from the references in the config file.Also, after copying them you can check if the private key and cert match like so:
openssl x509 -noout -modulus -in cacert.pem | md5sum
openssl rsa -noout -modulus -in cakey.pem | md5sum
Replace
cacert.pem
andcakey.pem
with your filenames for CA cert and private key.
The output should be the same.0
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