Examples with RSAPublicKeySpec java.security.spec.RSAPublicKeySpec used on opensource projects

Example 56 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project robovm by robovm.

the class CipherTest method testRSA_ECB_NoPadding_Public_OnlyDoFinal_Success.

private void testRSA_ECB_NoPadding_Public_OnlyDoFinal_Success(String provider) throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    final PublicKey privKey = kf.generatePublic(keySpec);
    Cipher c = Cipher.getInstance("RSA/ECB/NoPadding", provider);
    /*
         * You're actually encrypting with public keys, but there is no
         * distinction made here. It's all keyed off of what kind of key you're
         * using. ENCRYPT_MODE and DECRYPT_MODE are the same.
         */
    c.init(Cipher.ENCRYPT_MODE, privKey);
    byte[] encrypted = c.doFinal(RSA_Vector1_Encrypt_Private);
    assertEncryptedEqualsNoPadding(provider, Cipher.ENCRYPT_MODE, RSA_2048_Vector1, encrypted);
    c.init(Cipher.DECRYPT_MODE, privKey);
    encrypted = c.doFinal(RSA_Vector1_Encrypt_Private);
    assertEncryptedEqualsNoPadding(provider, Cipher.DECRYPT_MODE, RSA_2048_Vector1, encrypted);
}

Example 57 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project robovm by robovm.

the class CipherTest method testRSA_ECB_NoPadding_GetIV_Success.

private void testRSA_ECB_NoPadding_GetIV_Success(String provider) throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    final PublicKey pubKey = kf.generatePublic(pubKeySpec);
    Cipher c = Cipher.getInstance("RSA/ECB/NoPadding", provider);
    assertNull("ECB mode has no IV and should be null", c.getIV());
    c.init(Cipher.ENCRYPT_MODE, pubKey);
    assertNull("ECB mode has no IV and should be null", c.getIV());
}

Example 58 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project robovm by robovm.

the class RSAPublicKeySpecTest method testGetModulus.

/**
     * Test for <code>getModulus()</code> method<br>
     * Assertion: returns modulus
     */
public final void testGetModulus() {
    RSAPublicKeySpec rpks = new RSAPublicKeySpec(BigInteger.valueOf(1234567890L), BigInteger.valueOf(3L));
    assertTrue(BigInteger.valueOf(1234567890L).equals(rpks.getModulus()));
}

Example 59 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project robovm by robovm.

the class RSAPublicKeySpecTest method testRSAPublicKeySpec01.

/**
     * Test #1 for <code>RSAPublicKeySpec</code> constructor
     * Assertion: Constructs <code>RSAPublicKeySpec</code>
     * object using valid parameters
     */
public final void testRSAPublicKeySpec01() {
    KeySpec ks = new RSAPublicKeySpec(BigInteger.valueOf(1234567890L), BigInteger.valueOf(3L));
    assertTrue(ks instanceof RSAPublicKeySpec);
}

Example 60 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project XobotOS by xamarin.

the class ServerKeyExchange method getRSAPublicKey.

/**
     * Returns RSAPublicKey generated using ServerRSAParams
     * (rsa_modulus and rsa_exponent).
     *
     * @return
     */
public RSAPublicKey getRSAPublicKey() {
    if (key != null) {
        return key;
    }
    try {
        KeyFactory kf = KeyFactory.getInstance("RSA");
        key = (RSAPublicKey) kf.generatePublic(new RSAPublicKeySpec(par1, par2));
    } catch (Exception e) {
        return null;
    }
    return key;
}