Package org.bouncycastle.bcpg

Examples of org.bouncycastle.bcpg.ElGamalPublicBCPGKey

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        else if (pubKey instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey        eK = (ElGamalPublicKey)pubKey;
            ElGamalParameterSpec    eS = eK.getParameters();

            bcpgKey = new ElGamalPublicBCPGKey(eS.getP(), eS.getG(), eK.getY());
        }
        else
        {
            throw new PGPException("unknown key class");
        }
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                fact = KeyFactory.getInstance("DSA", provider);
               
                return fact.generatePublic(dsaSpec);
            case ELGAMAL_ENCRYPT:
            case ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey    elK = (ElGamalPublicBCPGKey)publicPk.getKey();
                ElGamalPublicKeySpec    elSpec = new ElGamalPublicKeySpec(elK.getY(), new ElGamalParameterSpec(elK.getP(), elK.getG()));
               
                fact = KeyFactory.getInstance("ElGamal", provider);
               
                return fact.generatePublic(elSpec);
            default:
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                fact = KeyFactory.getInstance("DSA", provider);

                return new PGPPrivateKey(fact.generatePrivate(dsaPrivSpec), this.getKeyID());
            case PGPPublicKey.ELGAMAL_ENCRYPT:
            case PGPPublicKey.ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey    elPub = (ElGamalPublicBCPGKey)pubPk.getKey();
                ElGamalSecretBCPGKey    elPriv = new ElGamalSecretBCPGKey(in);
                ElGamalPrivateKeySpec   elSpec = new ElGamalPrivateKeySpec(elPriv.getX(), new ElGamalParameterSpec(elPub.getP(), elPub.getG()));
           
                fact = KeyFactory.getInstance("ElGamal", provider);
           
                return new PGPPrivateKey(fact.generatePrivate(elSpec), this.getKeyID());
            default:
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                DSAPublicBCPGKey dsaK = (DSAPublicBCPGKey)publicPk.getKey();

                return new DSAPublicKeyParameters(dsaK.getY(), new DSAParameters(dsaK.getP(), dsaK.getQ(), dsaK.getG()));
            case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT:
            case PublicKeyAlgorithmTags.ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey elK = (ElGamalPublicBCPGKey)publicPk.getKey();

                return new ElGamalPublicKeyParameters(elK.getY(), new ElGamalParameters(elK.getP(), elK.getG()));
            default:
                throw new PGPException("unknown public key algorithm encountered");
            }
        }
        catch (PGPException e)
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                DSASecretBCPGKey dsaPriv = (DSASecretBCPGKey)privPk;

                return new DSAPrivateKeyParameters(dsaPriv.getX(), new DSAParameters(dsaPub.getP(), dsaPub.getQ(),  dsaPub.getG()));
            case PGPPublicKey.ELGAMAL_ENCRYPT:
            case PGPPublicKey.ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey    elPub = (ElGamalPublicBCPGKey)pubPk.getKey();
                ElGamalSecretBCPGKey elPriv = (ElGamalSecretBCPGKey)privPk;

                return new ElGamalPrivateKeyParameters(elPriv.getX(), new ElGamalParameters(elPub.getP(), elPub.getG()));
            default:
                throw new PGPException("unknown public key algorithm encountered");
            }
        }
        catch (PGPException e)
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                fact = helper.createKeyFactory("DSA");

                return fact.generatePublic(dsaSpec);
            case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT:
            case PublicKeyAlgorithmTags.ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey elK = (ElGamalPublicBCPGKey)publicPk.getKey();
                ElGamalPublicKeySpec elSpec = new ElGamalPublicKeySpec(elK.getY(), new ElGamalParameterSpec(elK.getP(), elK.getG()));

                fact = helper.createKeyFactory("ElGamal");

                return fact.generatePublic(elSpec);
            default:
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        else if (pubKey instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey        eK = (ElGamalPublicKey)pubKey;
            ElGamalParameterSpec    eS = eK.getParameters();

            bcpgKey = new ElGamalPublicBCPGKey(eS.getP(), eS.getG(), eK.getY());
        }
        else
        {
            throw new PGPException("unknown key class");
        }
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                fact = helper.createKeyFactory("DSA");

                return fact.generatePrivate(dsaPrivSpec);
            case PGPPublicKey.ELGAMAL_ENCRYPT:
            case PGPPublicKey.ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey    elPub = (ElGamalPublicBCPGKey)pubPk.getKey();
                ElGamalSecretBCPGKey elPriv = (ElGamalSecretBCPGKey)privPk;
                ElGamalPrivateKeySpec elSpec = new ElGamalPrivateKeySpec(elPriv.getX(), new ElGamalParameterSpec(elPub.getP(), elPub.getG()));

                fact = helper.createKeyFactory("ElGamal");

                return fact.generatePrivate(elSpec);
            default:
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        else if (pubKey instanceof ElGamalPublicKey)
        {
            ElGamalPublicKey        eK = (ElGamalPublicKey)pubKey;
            ElGamalParameterSpec    eS = eK.getParameters();
           
            bcpgKey = new ElGamalPublicBCPGKey(eS.getP(), eS.getG(), eK.getY());
        }
        else
        {
            throw new PGPException("unknown key class");
        }
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                fact = KeyFactory.getInstance("DSA", provider);
               
                return fact.generatePublic(dsaSpec);
            case ELGAMAL_ENCRYPT:
            case ELGAMAL_GENERAL:
                ElGamalPublicBCPGKey    elK = (ElGamalPublicBCPGKey)publicPk.getKey();
                ElGamalPublicKeySpec    elSpec = new ElGamalPublicKeySpec(elK.getY(), new ElGamalParameterSpec(elK.getP(), elK.getG()));
               
                fact = KeyFactory.getInstance("ElGamal", provider);
               
                return fact.generatePublic(elSpec);
            default:
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Related Classes of org.bouncycastle.bcpg.ElGamalPublicBCPGKey

  • org.bouncycastle.openpgp.operator.bc.BcPGPKeyConverter
  • org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyConverter
  • org.bouncycastle.openpgp.PGPPublicKey
  • org.bouncycastle.openpgp.PGPSecretKey
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