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Diffstat (limited to 'src/se/leap/bitmaskclient/ConfigHelper.java')
| -rw-r--r-- | src/se/leap/bitmaskclient/ConfigHelper.java | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/src/se/leap/bitmaskclient/ConfigHelper.java b/src/se/leap/bitmaskclient/ConfigHelper.java deleted file mode 100644 index a8bd3b7a..00000000 --- a/src/se/leap/bitmaskclient/ConfigHelper.java +++ /dev/null @@ -1,194 +0,0 @@ -/** - * Copyright (c) 2013 LEAP Encryption Access Project and contributers - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -package se.leap.bitmaskclient; - -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.math.BigInteger; -import java.io.InputStream; -import java.security.KeyFactory; -import java.security.KeyStore; -import java.security.KeyStoreException; -import java.security.NoSuchAlgorithmException; -import java.security.NoSuchProviderException; -import java.security.cert.CertificateException; -import java.security.cert.CertificateFactory; -import java.security.cert.X509Certificate; -import java.security.interfaces.RSAPrivateKey; -import java.security.spec.InvalidKeySpecException; -import java.security.spec.PKCS8EncodedKeySpec; - -import org.json.JSONException; -import org.json.JSONObject; - -import android.content.Context; -import android.content.SharedPreferences; -import android.util.Base64; - -/** - * Stores constants, and implements auxiliary methods used across all LEAP Android classes. - * - * @author parmegv - * @author MeanderingCode - * - */ -public class ConfigHelper { - private static KeyStore keystore_trusted; - - final public static String NG_1024 = - "eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3"; - final public static BigInteger G = new BigInteger("2"); - - public static boolean checkErroneousDownload(String downloaded_string) { - try { - if(new JSONObject(downloaded_string).has(ProviderAPI.ERRORS) || downloaded_string.isEmpty()) { - return true; - } else { - return false; - } - } catch(JSONException e) { - return false; - } - } - - /** - * Treat the input as the MSB representation of a number, - * and lop off leading zero elements. For efficiency, the - * input is simply returned if no leading zeroes are found. - * - * @param in array to be trimmed - */ - public static byte[] trim(byte[] in) { - if(in.length == 0 || in[0] != 0) - return in; - - int len = in.length; - int i = 1; - while(in[i] == 0 && i < len) - ++i; - byte[] ret = new byte[len - i]; - System.arraycopy(in, i, ret, 0, len - i); - return ret; - } - - public static X509Certificate parseX509CertificateFromString(String certificate_string) { - java.security.cert.Certificate certificate = null; - CertificateFactory cf; - try { - cf = CertificateFactory.getInstance("X.509"); - - certificate_string = certificate_string.replaceFirst("-----BEGIN CERTIFICATE-----", "").replaceFirst("-----END CERTIFICATE-----", "").trim(); - byte[] cert_bytes = Base64.decode(certificate_string, Base64.DEFAULT); - InputStream caInput = new ByteArrayInputStream(cert_bytes); - try { - certificate = cf.generateCertificate(caInput); - System.out.println("ca=" + ((X509Certificate) certificate).getSubjectDN()); - } finally { - caInput.close(); - } - } catch (CertificateException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (IOException e) { - return null; - } - - return (X509Certificate) certificate; - } - - protected static RSAPrivateKey parseRsaKeyFromString(String RsaKeyString) { - RSAPrivateKey key = null; - try { - KeyFactory kf = KeyFactory.getInstance("RSA", "BC"); - - RsaKeyString = RsaKeyString.replaceFirst("-----BEGIN RSA PRIVATE KEY-----", "").replaceFirst("-----END RSA PRIVATE KEY-----", ""); - PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec( Base64.decode(RsaKeyString, Base64.DEFAULT) ); - key = (RSAPrivateKey) kf.generatePrivate(keySpec); - } catch (InvalidKeySpecException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - return null; - } catch (NoSuchAlgorithmException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - return null; - } catch (NoSuchProviderException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - return null; - } - - return key; - } - - /** - * Adds a new X509 certificate given its input stream and its provider name - * @param provider used to store the certificate in the keystore - * @param inputStream from which X509 certificate must be generated. - */ - public static void addTrustedCertificate(String provider, InputStream inputStream) { - CertificateFactory cf; - try { - cf = CertificateFactory.getInstance("X.509"); - X509Certificate cert = - (X509Certificate)cf.generateCertificate(inputStream); - keystore_trusted.setCertificateEntry(provider, cert); - } catch (CertificateException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (KeyStoreException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - } - - /** - * Adds a new X509 certificate given in its string from and using its provider name - * @param provider used to store the certificate in the keystore - * @param certificate - */ - public static void addTrustedCertificate(String provider, String certificate) { - - try { - X509Certificate cert = ConfigHelper.parseX509CertificateFromString(certificate); - if(keystore_trusted == null) { - keystore_trusted = KeyStore.getInstance("BKS"); - keystore_trusted.load(null); - } - keystore_trusted.setCertificateEntry(provider, cert); - } catch (KeyStoreException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (NoSuchAlgorithmException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (CertificateException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } catch (IOException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - } - - /** - * @return class wide keystore - */ - public static KeyStore getKeystore() { - return keystore_trusted; - } -} |