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

Example 31 with RSAPublicKeySpec

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

the class CipherTest method testRSA_ECB_NoPadding_GetParameters_NoneProvided_Success.

private void testRSA_ECB_NoPadding_GetParameters_NoneProvided_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("Parameters should be null", c.getParameters());
}

Example 32 with RSAPublicKeySpec

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

the class RSAPublicKeySpecTest method testGetPublicExponent.

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

Example 33 with RSAPublicKeySpec

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

the class RSAPublicKeySpecTest method testRSAPublicKeySpec02.

/**
     * Test #2 for <code>RSAPublicKeySpec</code> constructor
     * Assertion: Constructs <code>RSAPublicKeySpec</code>
     * object using valid parameters
     */
public final void testRSAPublicKeySpec02() {
    KeySpec ks = new RSAPublicKeySpec(null, null);
    assertTrue(ks instanceof RSAPublicKeySpec);
}

Example 34 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project JustAndroid by chinaltz.

the class AbRsa method getPublicKey.

/**
     * 使用N、e值还原公钥
     *
     * @param modulus
     * @param publicExponent
     * @return
     * @throws NoSuchAlgorithmException
     * @throws InvalidKeySpecException
     */
public static PublicKey getPublicKey(String modulus, String publicExponent) throws NoSuchAlgorithmException, InvalidKeySpecException {
    BigInteger bigIntModulus = new BigInteger(modulus);
    BigInteger bigIntPrivateExponent = new BigInteger(publicExponent);
    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(bigIntModulus, bigIntPrivateExponent);
    KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM);
    PublicKey publicKey = keyFactory.generatePublic(keySpec);
    return publicKey;
}

Example 35 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project smartmodule by carozhu.

the class RSAUtils method getPublicKey.

/**
	 * 使用N、e值还原公钥
	 * 
	 * @param modulus
	 * @param publicExponent
	 * @return
	 * @throws NoSuchAlgorithmException
	 * @throws InvalidKeySpecException
	 */
public static PublicKey getPublicKey(String modulus, String publicExponent) throws NoSuchAlgorithmException, InvalidKeySpecException {
    BigInteger bigIntModulus = new BigInteger(modulus);
    BigInteger bigIntPrivateExponent = new BigInteger(publicExponent);
    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(bigIntModulus, bigIntPrivateExponent);
    KeyFactory keyFactory = KeyFactory.getInstance(KEY_PAIR);
    PublicKey publicKey = keyFactory.generatePublic(keySpec);
    return publicKey;
}