Examples with SessionKey net.i2p.data.SessionKey used on opensource projects

Example 46 with SessionKey

use of net.i2p.data.SessionKey in project i2p.i2p by i2p.

the class ElGamalTest method testLoop.

public void testLoop() {
    for (int i = 0; i < 5; i++) {
        Object[] keys = KeyGenerator.getInstance().generatePKIKeypair();
        PublicKey pubKey = (PublicKey) keys[0];
        PrivateKey privKey = (PrivateKey) keys[1];
        byte[] msg = new byte[400];
        RandomSource.getInstance().nextBytes(msg);
        SessionKey key = _context.sessionKeyManager().getCurrentKey(pubKey);
        if (key == null)
            key = _context.sessionKeyManager().createSession(pubKey);
        byte[] encrypted = _context.elGamalAESEngine().encrypt(msg, pubKey, key, null, null, 1024);
        byte[] decrypted = null;
        try {
            decrypted = _context.elGamalAESEngine().decrypt(encrypted, privKey, _context.sessionKeyManager());
        } catch (DataFormatException dfe) {
            dfe.printStackTrace();
            fail();
        }
        assertTrue(DataHelper.eq(msg, decrypted));
    }
}

Example 47 with SessionKey

use of net.i2p.data.SessionKey in project i2p.i2p by i2p.

the class HMACSHA256Bench method runTest.

private static void runTest(I2PAppContext ctx) {
    SessionKey key = ctx.keyGenerator().generateSessionKey();
    byte[] output = new byte[32];
    ctx.hmac().calculate(key, "qwerty".getBytes(), 0, 6, output, 0);
    int times = 100000;
    long shorttime = 0;
    long medtime = 0;
    long longtime = 0;
    long minShort = 0;
    long maxShort = 0;
    long minMed = 0;
    long maxMed = 0;
    long minLong = 0;
    long maxLong = 0;
    long shorttime1 = 0;
    long medtime1 = 0;
    long longtime1 = 0;
    long minShort1 = 0;
    long maxShort1 = 0;
    long minMed1 = 0;
    long maxMed1 = 0;
    long minLong1 = 0;
    long maxLong1 = 0;
    byte[] smess = "abc".getBytes();
    StringBuilder buf = new StringBuilder();
    for (int x = 0; x < 2 * 1024; x++) {
        buf.append("a");
    }
    // new String("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq").getBytes();
    byte[] mmess = DataHelper.getASCII(buf.toString());
    buf = new StringBuilder();
    for (int x = 0; x < 10000; x++) {
        buf.append("a");
    }
    byte[] lmess = DataHelper.getASCII(buf.toString());
    // warm up the engines
    ctx.hmac().calculate(key, smess, 0, smess.length, output, 0);
    ctx.hmac().calculate(key, mmess, 0, mmess.length, output, 0);
    ctx.hmac().calculate(key, lmess, 0, lmess.length, output, 0);
    long before = System.currentTimeMillis();
    for (int x = 0; x < times; x++) ctx.hmac().calculate(key, smess, 0, smess.length, output, 0);
    long after = System.currentTimeMillis();
    display(times, before, after, smess.length, "3 byte");
    before = System.currentTimeMillis();
    for (int x = 0; x < times; x++) ctx.hmac().calculate(key, mmess, 0, mmess.length, output, 0);
    after = System.currentTimeMillis();
    display(times, before, after, mmess.length, "2KB");
    before = System.currentTimeMillis();
    for (int x = 0; x < times; x++) ctx.hmac().calculate(key, lmess, 0, lmess.length, output, 0);
    after = System.currentTimeMillis();
    display(times, before, after, lmess.length, "10KB");
}

Example 48 with SessionKey

use of net.i2p.data.SessionKey in project i2p.i2p by i2p.

the class AES256Test method testLong.

@SuppressWarnings("deprecation")
public void testLong() {
    I2PAppContext ctx = new I2PAppContext();
    SessionKey key = ctx.keyGenerator().generateSessionKey();
    byte[] iv = new byte[16];
    RandomSource.getInstance().nextBytes(iv);
    byte[] lbuf = new byte[1024];
    RandomSource.getInstance().nextBytes(lbuf);
    byte[] le = ctx.aes().safeEncrypt(lbuf, key, iv, 2048);
    byte[] ld = ctx.aes().safeDecrypt(le, key, iv);
    assertTrue(DataHelper.eq(ld, lbuf));
}

Example 49 with SessionKey

use of net.i2p.data.SessionKey in project i2p.i2p by i2p.

the class CryptixAESEngineTest method testEDBlock.

public static void testEDBlock() {
    I2PAppContext ctx = I2PAppContext.getGlobalContext();
    SessionKey key = ctx.keyGenerator().generateSessionKey();
    byte[] iv = new byte[16];
    byte[] orig = new byte[16];
    byte[] encrypted = new byte[16];
    byte[] decrypted = new byte[16];
    ctx.random().nextBytes(iv);
    ctx.random().nextBytes(orig);
    CryptixAESEngine aes = new CryptixAESEngine(ctx);
    aes.encryptBlock(orig, 0, key, encrypted, 0);
    aes.decryptBlock(encrypted, 0, key, decrypted, 0);
    assertTrue(DataHelper.eq(decrypted, orig));
}

Example 50 with SessionKey

use of net.i2p.data.SessionKey in project i2p.i2p by i2p.

the class CryptixAESEngineTest method testED2.

public static void testED2() {
    I2PAppContext ctx = I2PAppContext.getGlobalContext();
    SessionKey key = ctx.keyGenerator().generateSessionKey();
    byte[] iv = new byte[16];
    byte[] orig = new byte[128];
    byte[] data = new byte[128];
    ctx.random().nextBytes(iv);
    ctx.random().nextBytes(orig);
    CryptixAESEngine aes = new CryptixAESEngine(ctx);
    aes.encrypt(orig, 0, data, 0, key, iv, data.length);
    aes.decrypt(data, 0, data, 0, key, iv, data.length);
    assertTrue(DataHelper.eq(data, orig));
}