Examples with SecureFile net.i2p.util.SecureFile used on opensource projects

Example 11 with SecureFile

use of net.i2p.util.SecureFile in project i2p.i2p by i2p.

the class PersistentMailCache method getFile.

private File getFile(String uidl, String suffix) {
    byte[] raw = DataHelper.getASCII(uidl);
    byte[] md5 = PasswordManager.md5Sum(raw);
    String db64 = Base64.encode(md5);
    File dir = new File(_cacheDir, DIR_PREFIX + db64.charAt(0));
    String b64 = Base64.encode(uidl);
    return new SecureFile(dir, FILE_PREFIX + b64 + suffix);
}

Example 12 with SecureFile

use of net.i2p.util.SecureFile in project i2p.i2p by i2p.

the class TunnelController method createAltPrivateKey.

/**
 * Creates alternate Destination with the same encryption keys as the primary Destination,
 * but a different signing key.
 *
 * Must have already called createPrivateKey() successfully.
 * Does nothing unless option OPT_ALT_PKF is set with the privkey file name.
 * Does nothing if the file already exists.
 *
 * @return success
 * @since 0.9.30
 */
private boolean createAltPrivateKey() {
    if (PREFERRED_SIGTYPE == SigType.DSA_SHA1)
        return false;
    File keyFile = getPrivateKeyFile();
    if (keyFile == null)
        return false;
    if (!keyFile.exists())
        return false;
    File altFile = getAlternatePrivateKeyFile();
    if (altFile == null)
        return false;
    if (altFile.equals(keyFile))
        return false;
    if (altFile.exists())
        return true;
    PrivateKeyFile pkf = new PrivateKeyFile(keyFile);
    FileOutputStream out = null;
    try {
        Destination dest = pkf.getDestination();
        if (dest == null)
            return false;
        if (dest.getSigType() != SigType.DSA_SHA1)
            return false;
        PublicKey pub = dest.getPublicKey();
        PrivateKey priv = pkf.getPrivKey();
        SimpleDataStructure[] signingKeys = KeyGenerator.getInstance().generateSigningKeys(PREFERRED_SIGTYPE);
        SigningPublicKey signingPubKey = (SigningPublicKey) signingKeys[0];
        SigningPrivateKey signingPrivKey = (SigningPrivateKey) signingKeys[1];
        KeyCertificate cert = new KeyCertificate(signingPubKey);
        Destination d = new Destination();
        d.setPublicKey(pub);
        d.setSigningPublicKey(signingPubKey);
        d.setCertificate(cert);
        int len = signingPubKey.length();
        if (len < 128) {
            byte[] pad = new byte[128 - len];
            RandomSource.getInstance().nextBytes(pad);
            d.setPadding(pad);
        } else if (len > 128) {
        // copy of excess data handled in KeyCertificate constructor
        }
        out = new SecureFileOutputStream(altFile);
        d.writeBytes(out);
        priv.writeBytes(out);
        signingPrivKey.writeBytes(out);
        try {
            out.close();
        } catch (IOException ioe) {
        }
        String destStr = d.toBase64();
        log("Alternate private key created and saved in " + altFile.getAbsolutePath());
        log("You should backup this file in a secure place.");
        log("New alternate destination: " + destStr);
        String b32 = d.toBase32();
        log("Base32: " + b32);
        File backupDir = new SecureFile(I2PAppContext.getGlobalContext().getConfigDir(), KEY_BACKUP_DIR);
        if (backupDir.isDirectory() || backupDir.mkdir()) {
            String name = b32 + '-' + I2PAppContext.getGlobalContext().clock().now() + ".dat";
            File backup = new File(backupDir, name);
            if (FileUtil.copy(altFile, backup, false, true)) {
                SecureFileOutputStream.setPerms(backup);
                log("Alternate private key backup saved to " + backup.getAbsolutePath());
            }
        }
        return true;
    } catch (GeneralSecurityException e) {
        log("Error creating keys " + e);
        return false;
    } catch (I2PSessionException e) {
        log("Error creating keys " + e);
        return false;
    } catch (I2PException e) {
        log("Error creating keys " + e);
        return false;
    } catch (IOException e) {
        log("Error creating keys " + e);
        return false;
    } catch (RuntimeException e) {
        log("Error creating keys " + e);
        return false;
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (IOException ioe) {
            }
    }
}

Example 13 with SecureFile

use of net.i2p.util.SecureFile in project i2p.i2p by i2p.

the class BasicServlet method init.

/* ------------------------------------------------------------ */
public void init(ServletConfig cfg) throws ServletException {
    super.init(cfg);
    String rb = getInitParameter("resourceBase");
    if (rb != null) {
        File f = new SecureFile(rb);
        setResourceBase(f);
    }
    String wb = getInitParameter("warBase");
    if (wb != null)
        setWarBase(wb);
}