Decrypting an OpenSSL PEM Encoded RSA private key with Java?
You need to use a non-standard, OpenSSL method for deriving the decryption key. Then use that to decrypt the PKCS-#1–encoded key—what you are working with is not a PKCS #8 envelope. You’ll also need the IV from the header as input to these processes. It looks something like this: static RSAPrivateKey decrypt(String keyDataStr, String ivHex, … Read more