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POStore PGP (public) keys in java keystore - Bouncycastle
 

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    <p>I am using bouncycastle (JAVA) for signing, encryption, decryption and signatures' verification in implementation of SSO. I have raw PGP public and private keys and I need to store them in Java keystore. These PGP public keys have no certificate.</p> <p>I understand that for public keys (according to javadoc of Keystore: <a href="http://docs.oracle.com/javase/6/docs/api/java/security/KeyStore.html">http://docs.oracle.com/javase/6/docs/api/java/security/KeyStore.html</a>) I have to create certificate. Once certificate is created I can import it to the keystore as KeyStore.TrustedCertificateEntry. However, I am not able to create certificate entry for type org.bouncycastle.openpgp.PGPPublicKey.</p> <p>I have searched through the web but could not find any valid example:</p> <ol> <li>Bouncycastle documentation: <a href="http://www.bouncycastle.org/wiki/display/JA1/X.509+Public+Key+Certificate+and+Certification+Request+Generation">http://www.bouncycastle.org/wiki/display/JA1/X.509+Public+Key+Certificate+and+Certification+Request+Generation</a> Generates certificate for X.509 keys - </li> <li><p>Bouncycastle examples - org.bouncycastle.openpgp.examples.DirectKeySignature: Add certificat (object of type PGPSignature) directly to the PGPPublicKey. To conclude - I have signed (certified) PGPPublicKey but I am not able to store this type of Key into the java keystore.</p> <pre><code>OutputStream out = new ByteArrayOutputStream(); if (armor) { out = new ArmoredOutputStream(out); } PGPPrivateKey pgpPrivKey = secretKey.extractPrivateKey(secretKeyPass.toCharArray(), "BC"); PGPSignatureGenerator sGen = new PGPSignatureGenerator(secretKey.getPublicKey().getAlgorithm(), PGPUtil.SHA1, "BC"); sGen.initSign(PGPSignature.DIRECT_KEY, pgpPrivKey); BCPGOutputStream bOut = new BCPGOutputStream(out); sGen.generateOnePassVersion(false).encode(bOut); PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator(); boolean isHumanReadable = true; spGen.setNotationData(true, isHumanReadable, notationName, notationValue); PGPSignatureSubpacketVector packetVector = spGen.generate(); sGen.setHashedSubpackets(packetVector); bOut.flush(); return PGPPublicKey.addCertification(keyToBeSigned, sGen.generate()).getEncoded(); </code></pre></li> </ol> <p>I am mainly interested in programatic solution (java source code) but examples that use some tools will be helpful too.</p> <p>Thanks!</p>
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