Examples with Signature java.security.Signature used on opensource projects

Example 91 with Signature

use of java.security.Signature in project robovm by robovm.

the class SignatureTest method testSign_SHA384withRSA_Key_Success.

public void testSign_SHA384withRSA_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("SHA384withRSA");
    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, SHA384withRSA_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 92 with Signature

use of java.security.Signature in project robovm by robovm.

the class SignatureTest method testVerify_NONEwithRSA_Key_SignatureTooLarge_Failure.

public void testVerify_NONEwithRSA_Key_SignatureTooLarge_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);
    sig.update(Vector1Data);
    byte[] invalidSignature = new byte[NONEwithRSA_Vector1Signature.length * 2];
    System.arraycopy(NONEwithRSA_Vector1Signature, 0, invalidSignature, 0, NONEwithRSA_Vector1Signature.length);
    System.arraycopy(NONEwithRSA_Vector1Signature, 0, invalidSignature, NONEwithRSA_Vector1Signature.length, NONEwithRSA_Vector1Signature.length);
    try {
        sig.verify(invalidSignature);
        fail("Should throw exception when signature is too large");
    } catch (SignatureException expected) {
    }
}

Example 93 with Signature

use of java.security.Signature in project robovm by robovm.

the class SignatureTest method testSign_SHA256withRSA_Key_Success.

public void testSign_SHA256withRSA_Key_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPrivateKeySpec keySpec = new RSAPrivateKeySpec(RSA_2048_modulus, RSA_2048_privateExponent);
    final PrivateKey privKey = kf.generatePrivate(keySpec);
    Signature sig = Signature.getInstance("SHA256withRSA");
    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, SHA256withRSA_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 94 with Signature

use of java.security.Signature in project robovm by robovm.

the class SignatureTest method testSign_SHA1withRSA_CrtKeyWithPublicExponent_Success.

public void testSign_SHA1withRSA_CrtKeyWithPublicExponent_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(RSA_2048_modulus, RSA_2048_publicExponent, RSA_2048_privateExponent, null, null, null, null, null);
    // The RI fails on this key which is totally unreasonable.
    final PrivateKey privKey;
    try {
        privKey = kf.generatePrivate(keySpec);
    } catch (NullPointerException e) {
        if (StandardNames.IS_RI) {
            return;
        } else {
            fail("Private key should be created");
            return;
        }
    }
    Signature sig = Signature.getInstance("SHA1withRSA");
    sig.initSign(privKey);
    sig.update(Vector1Data);
    byte[] signature = sig.sign();
    assertNotNull("Signature must not be null", signature);
    assertTrue("Signature should match expected", Arrays.equals(signature, SHA1withRSA_Vector1Signature));
    RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(pubKeySpec);
    sig.initVerify(pubKey);
    sig.update(Vector1Data);
    assertTrue("Signature must verify correctly", sig.verify(signature));
}

Example 95 with Signature

use of java.security.Signature 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));
}