import encrypted private key to jks

Question

I need use ssl(2 way handshake) socket for connection in my project. So for creating keys, i used openssl with this comands :

for server :

req -x509 -days 3650 -nodes -newkey rsa:2048 -keyout a_private.key -out a_certificate.cert

rsa -in a_private.key -des3 -out a_private_des.key

rsa -in a_private_des.key -pubout -out a_pub.key

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for client :

req -x509 -days 3650 -nodes -newkey rsa:2048 -keyout b_private.key -out b_certificate.cert

rsa -in b_private.key -des3 -out b_private_des.key

rsa -in b_private_des.key -pubout -out b_pub.key

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for import to jks file i used keytool:

keytool -import -alias a_private -file a_private_des.key -keystore a.jks

keytool error: java.lang.Exception: Input not an X.509 certificate

after that, I made der file with this command :

pkcs8 -topk8 -in a_private_des.key -out a_private_des.der -outform DER

and retry to import key to jks file:

keytool -import -alias a_private -file a_private_des.der -keystore a.jks

keytool error: java.lang.Exception: Input not an X.509 certificate

and I get same exception with b_pub.key

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how can I import encrypted private key and public key in jks file ?

tanx alot.

Answer 1

I believe the -import option only let's you import certificates, not keys. Looking at this post it seems you may have to write some kind of workaround.

Answer 2

To import a key pair (key and cert) into a java keystore, you first need to create a p12 file. Whilst the question is "import encrypted private key to jks", I don't actually believe the key in question is encrypted as the "nodes" option is used.

So to import a key, and cert into a JKS use:

# create p12
openssl pkcs12 -export \
  -name a_private \
  -out a_private.p12 \
  -inkey a_private.key \
  -in a_certificate.cert \
  -passin "pass:changeit" \
  -passout "pass:changeit"

# create jks
keytool -v -importkeystore -deststoretype pkcs12 -destkeystore \
  "a.jks" \
  -srckeystore "a_private.p12" -srcstoretype pkcs12 \
  -alias "a_private" -srcstorepass "changeit" \
  -deststorepass "changeit" -destkeypass "changeit"

Actually change the password "changeit" as well.