diff options
Diffstat (limited to 'pg/src/main/java/org/bouncycastle/openpgp/examples/DSAElGamalKeyRingGenerator.java')
| -rw-r--r-- | pg/src/main/java/org/bouncycastle/openpgp/examples/DSAElGamalKeyRingGenerator.java | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/pg/src/main/java/org/bouncycastle/openpgp/examples/DSAElGamalKeyRingGenerator.java b/pg/src/main/java/org/bouncycastle/openpgp/examples/DSAElGamalKeyRingGenerator.java deleted file mode 100644 index bdd3295a..00000000 --- a/pg/src/main/java/org/bouncycastle/openpgp/examples/DSAElGamalKeyRingGenerator.java +++ /dev/null @@ -1,139 +0,0 @@ -package org.bouncycastle.openpgp.examples; - -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.OutputStream; -import java.math.BigInteger; -import java.security.InvalidKeyException; -import java.security.KeyPair; -import java.security.KeyPairGenerator; -import java.security.NoSuchProviderException; -import java.security.Security; -import java.security.SignatureException; -import java.util.Date; - -import org.bouncycastle.bcpg.ArmoredOutputStream; -import org.bouncycastle.bcpg.HashAlgorithmTags; -import org.bouncycastle.jce.provider.BouncyCastleProvider; -import org.bouncycastle.jce.spec.ElGamalParameterSpec; -import org.bouncycastle.openpgp.PGPEncryptedData; -import org.bouncycastle.openpgp.PGPException; -import org.bouncycastle.openpgp.PGPKeyPair; -import org.bouncycastle.openpgp.PGPKeyRingGenerator; -import org.bouncycastle.openpgp.PGPPublicKey; -import org.bouncycastle.openpgp.PGPSignature; -import org.bouncycastle.openpgp.operator.PGPDigestCalculator; -import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder; -import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder; -import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair; -import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder; - -/** - * A simple utility class that generates a public/secret keyring containing a DSA signing - * key and an El Gamal key for encryption. - * <p> - * usage: DSAElGamalKeyRingGenerator [-a] identity passPhrase - * <p> - * Where identity is the name to be associated with the public key. The keys are placed - * in the files pub.[asc|bpg] and secret.[asc|bpg]. - * <p> - * <b>Note</b>: this example encrypts the secret key using AES_256, many PGP products still - * do not support this, if you are having problems importing keys try changing the algorithm - * id to PGPEncryptedData.CAST5. CAST5 is more widely supported. - */ -public class DSAElGamalKeyRingGenerator -{ - private static void exportKeyPair( - OutputStream secretOut, - OutputStream publicOut, - KeyPair dsaKp, - KeyPair elgKp, - String identity, - char[] passPhrase, - boolean armor) - throws IOException, InvalidKeyException, NoSuchProviderException, SignatureException, PGPException - { - if (armor) - { - secretOut = new ArmoredOutputStream(secretOut); - } - - PGPKeyPair dsaKeyPair = new JcaPGPKeyPair(PGPPublicKey.DSA, dsaKp, new Date()); - PGPKeyPair elgKeyPair = new JcaPGPKeyPair(PGPPublicKey.ELGAMAL_ENCRYPT, elgKp, new Date()); - PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1); - PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, dsaKeyPair, - identity, sha1Calc, null, null, new JcaPGPContentSignerBuilder(dsaKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256, sha1Calc).setProvider("BC").build(passPhrase)); - - keyRingGen.addSubKey(elgKeyPair); - - keyRingGen.generateSecretKeyRing().encode(secretOut); - - secretOut.close(); - - if (armor) - { - publicOut = new ArmoredOutputStream(publicOut); - } - - keyRingGen.generatePublicKeyRing().encode(publicOut); - - publicOut.close(); - } - - public static void main( - String[] args) - throws Exception - { - Security.addProvider(new BouncyCastleProvider()); - - if (args.length < 2) - { - System.out.println("DSAElGamalKeyRingGenerator [-a] identity passPhrase"); - System.exit(0); - } - - KeyPairGenerator dsaKpg = KeyPairGenerator.getInstance("DSA", "BC"); - - dsaKpg.initialize(1024); - - // - // this takes a while as the key generator has to generate some DSA params - // before it generates the key. - // - KeyPair dsaKp = dsaKpg.generateKeyPair(); - - KeyPairGenerator elgKpg = KeyPairGenerator.getInstance("ELGAMAL", "BC"); - BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16); - BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16); - - ElGamalParameterSpec elParams = new ElGamalParameterSpec(p, g); - - elgKpg.initialize(elParams); - - // - // this is quicker because we are using pregenerated parameters. - // - KeyPair elgKp = elgKpg.generateKeyPair(); - - if (args[0].equals("-a")) - { - if (args.length < 3) - { - System.out.println("DSAElGamalKeyRingGenerator [-a] identity passPhrase"); - System.exit(0); - } - - FileOutputStream out1 = new FileOutputStream("secret.asc"); - FileOutputStream out2 = new FileOutputStream("pub.asc"); - - exportKeyPair(out1, out2, dsaKp, elgKp, args[1], args[2].toCharArray(), true); - } - else - { - FileOutputStream out1 = new FileOutputStream("secret.bpg"); - FileOutputStream out2 = new FileOutputStream("pub.bpg"); - - exportKeyPair(out1, out2, dsaKp, elgKp, args[0], args[1].toCharArray(), false); - } - } -} |