sshd-common/src/main/java/org/apache/sshd/common/config/keys/impl/DSSPublicKeyEntryDecoder.java [87:122]:
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    @Override
    public DSAPublicKey clonePublicKey(DSAPublicKey key) throws GeneralSecurityException {
        if (key == null) {
            return null;
        }

        DSAParams params = key.getParams();
        if (params == null) {
            throw new InvalidKeyException("Missing parameters in key");
        }

        return generatePublicKey(new DSAPublicKeySpec(key.getY(), params.getP(), params.getQ(), params.getG()));
    }

    @Override
    public DSAPrivateKey clonePrivateKey(DSAPrivateKey key) throws GeneralSecurityException {
        if (key == null) {
            return null;
        }

        DSAParams params = key.getParams();
        if (params == null) {
            throw new InvalidKeyException("Missing parameters in key");
        }

        return generatePrivateKey(new DSAPrivateKeySpec(key.getX(), params.getP(), params.getQ(), params.getG()));
    }

    @Override
    public KeyPairGenerator getKeyPairGenerator() throws GeneralSecurityException {
        return SecurityUtils.getKeyPairGenerator(KeyUtils.DSS_ALGORITHM);
    }

    @Override
    public KeyFactory getKeyFactoryInstance() throws GeneralSecurityException {
        return SecurityUtils.getKeyFactory(KeyUtils.DSS_ALGORITHM);
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sshd-common/src/main/java/org/apache/sshd/common/config/keys/loader/openssh/OpenSSHDSSPrivateKeyEntryDecoder.java [105:140]:
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    @Override
    public DSAPublicKey clonePublicKey(DSAPublicKey key) throws GeneralSecurityException {
        if (key == null) {
            return null;
        }

        DSAParams params = key.getParams();
        if (params == null) {
            throw new InvalidKeyException("Missing parameters in key");
        }

        return generatePublicKey(new DSAPublicKeySpec(key.getY(), params.getP(), params.getQ(), params.getG()));
    }

    @Override
    public DSAPrivateKey clonePrivateKey(DSAPrivateKey key) throws GeneralSecurityException {
        if (key == null) {
            return null;
        }

        DSAParams params = key.getParams();
        if (params == null) {
            throw new InvalidKeyException("Missing parameters in key");
        }

        return generatePrivateKey(new DSAPrivateKeySpec(key.getX(), params.getP(), params.getQ(), params.getG()));
    }

    @Override
    public KeyPairGenerator getKeyPairGenerator() throws GeneralSecurityException {
        return SecurityUtils.getKeyPairGenerator(KeyUtils.DSS_ALGORITHM);
    }

    @Override
    public KeyFactory getKeyFactoryInstance() throws GeneralSecurityException {
        return SecurityUtils.getKeyFactory(KeyUtils.DSS_ALGORITHM);
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