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

Example 11 with RSAPublicKeySpec

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

the class SignatureTest method testVerify_SHA1withRSA_Key_Success.

public void testVerify_SHA1withRSA_Key_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(keySpec);
    Signature sig = Signature.getInstance("SHA1withRSA");
    sig.initVerify(pubKey);
    sig.update(Vector1Data);
    assertTrue("Signature must match expected signature", sig.verify(SHA1withRSA_Vector1Signature));
}

Example 12 with RSAPublicKeySpec

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

the class SignatureTest method testVerify_SHA1withRSA_Key_InitSignThenInitVerify_Success.

public void testVerify_SHA1withRSA_Key_InitSignThenInitVerify_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(pubKeySpec);
    RSAPrivateKeySpec privKeySpec = new RSAPrivateKeySpec(RSA_2048_modulus, RSA_2048_privateExponent);
    PrivateKey privKey = kf.generatePrivate(privKeySpec);
    Signature sig = Signature.getInstance("SHA1withRSA");
    // Start a signing operation
    sig.initSign(privKey);
    sig.update(Vector2Data);
    // Switch to verify
    sig.initVerify(pubKey);
    sig.update(Vector1Data);
    assertTrue("Signature must match expected signature", sig.verify(SHA1withRSA_Vector1Signature));
}

Example 13 with RSAPublicKeySpec

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

the class SignatureTest method testSign_MD5withRSA_Key_Success.

public void testSign_MD5withRSA_Key_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPrivateKeySpec keySpec = new RSAPrivateKeySpec(RSA_2048_modulus, RSA_2048_privateExponent);
    PrivateKey privKey = kf.generatePrivate(keySpec);
    Signature sig = Signature.getInstance("MD5withRSA");
    sig.initSign(privKey);
    sig.update(Vector2Data);
    byte[] signature = sig.sign();
    assertNotNull("Signature must not be null", signature);
    assertTrue("Signature should match expected", Arrays.equals(signature, MD5withRSA_Vector2Signature));
    RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(pubKeySpec);
    sig.initVerify(pubKey);
    sig.update(Vector2Data);
    assertTrue("Signature must verify correctly", sig.verify(signature));
}

Example 14 with RSAPublicKeySpec

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

the class SignatureTest method testVerify_SHA1withRSA_Key_TwoMessages_Success.

public void testVerify_SHA1withRSA_Key_TwoMessages_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(keySpec);
    Signature sig = Signature.getInstance("SHA1withRSA");
    sig.initVerify(pubKey);
    sig.update(Vector1Data);
    assertTrue("First signature must match expected signature", sig.verify(SHA1withRSA_Vector1Signature));
    sig.update(Vector2Data);
    assertTrue("Second signature must match expected signature", sig.verify(SHA1withRSA_Vector2Signature));
}

Example 15 with RSAPublicKeySpec

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

the class SignatureTest method testVerify_NONEwithRSA_Key_DataTooLarge_Failure.

public void testVerify_NONEwithRSA_Key_DataTooLarge_Failure() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(pubKeySpec);
    Signature sig = Signature.getInstance("NONEwithRSA");
    sig.initVerify(pubKey);
    // This should make it one bytes too big.
    final int oneTooBig = RSA_2048_modulus.bitLength() + 1;
    final byte[] vector = new byte[oneTooBig];
    for (int i = 0; i < oneTooBig; i++) {
        vector[i] = (byte) Vector1Data[i % Vector1Data.length];
    }
    sig.update(vector);
    assertFalse("Should not verify when signature is too large", sig.verify(NONEwithRSA_Vector1Signature));
}