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Alex Rivera
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I have private key stored in file in PKCS8 DER format and protected by password. What is the easiest way to read it? Here is the code I use to load unencrypted one: InputStream in = new FileInputStream(privateKeyFilename); byte[] privateKeydata = new byte[in.available()]; in.read(privateKeydata); in.close(); KeyFactory privateKeyFactory = KeyFactory.getInstance("RSA"); PKCS8EncodedKeySpec encodedKeySpec = new PKCS8EncodedKeySpec(privateKeydata); PrivateKey privateKey = privateKeyFactory.generatePrivate(encodedKeySpec); It works fine for unencrypted keys with the same specification. By the way, I am using BouncyCastle. I can view this private key using following openssl command openssl pkcs8 -in ./privatekey.key -inform DER -passin pass:thisismypass Please, Help!!! I,ve posted some solutions in my own answer to this topic. But I keep question unanswered in case anybody can help with making it work without extra library, just BouncyCastle.
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