Method readKeyPairFromFile

src/main/java/com/trsst/Command.java:1091–1121

(String alias, File file,
            char[] pwd)

    }

    public static final KeyPair readKeyPairFromFile(String alias, File file,
            char[] pwd) {
        FileInputStream input = null;
        try {
            KeyStore keyStore = KeyStore.getInstance("PKCS12");
            input = new FileInputStream(file);
            keyStore.load(new FileInputStream(file), pwd);
            input.close();

            KeyStore.PrivateKeyEntry pkEntry = (KeyStore.PrivateKeyEntry) keyStore
                    .getEntry(alias, new KeyStore.PasswordProtection(pwd));
            PrivateKey privateKey = pkEntry.getPrivateKey();
            PublicKey publicKey = pkEntry.getCertificate().getPublicKey();
            return new KeyPair(publicKey, privateKey);
        } catch (/* javax.crypto.BadPaddingException */IOException bpe) {
            log.error("Passphrase could not decrypt key: " + bpe.getMessage());
        } catch (Throwable e) {
            log.error("Unexpected error while reading key: " + e.getMessage(),
                    e);
        } finally {
            if (input != null) {
                try {
                    input.close();
                } catch (IOException e) {
                    // ignore while closing
                    log.trace("Error while closing: " + e.getMessage(), e);
                }
            }
        }
        return null;
    }

    public static final void writeKeyPairToFile(KeyPair keyPair,
            X509Certificate cert, String alias, File file, char[] pwd) {