Package java.security.spec

Examples of java.security.spec.ECPublicKeySpec

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        if (group == null) {
            throw new InvalidKeySpecException("Couldn't decode EC group");
        }

        KeyFactory keyFactory = SecurityUtils.getKeyFactory("EC");
        PublicKey pubKey = keyFactory.generatePublic(new ECPublicKeySpec(group, spec));
        PrivateKey privKey = keyFactory.generatePrivate(new ECPrivateKeySpec(exponent, spec));
        return new KeyPair(pubKey, privKey);
    }
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    }

    @Override
    protected byte[] calculateK() throws Exception {
        KeyFactory myKeyFac = SecurityUtils.getKeyFactory("EC");
        ECPublicKeySpec keySpec = new ECPublicKeySpec(f, params);
        PublicKey yourPubKey = myKeyFac.generatePublic(keySpec);
        myKeyAgree.doPhase(yourPubKey, true);
        return myKeyAgree.generateSecret();
    }
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            }
/*
                ecPoint = sun.security.ec.ECParameters.decodePoint(
                    Base64.decode(curElem), ecParams.getCurve());
*/
            ECPublicKeySpec spec = new ECPublicKeySpec(ecPoint, ecParams);
            return (ECPublicKey) generatePublicKey(eckf, spec);
        }
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        EllipticCurve c =
            new EllipticCurve(new ECFieldFp(BigInteger.valueOf(5L)),
                              BigInteger.ZERO,
                              BigInteger.valueOf(4L));
        ECPoint g = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));
        new ECPublicKeySpec(g,
                new ECParameterSpec(c, g, BigInteger.valueOf(5L), 10));
       
    }
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                              BigInteger.valueOf(4L));
        ECPoint g = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));

        // Test case 1: w is null
        try {
            new ECPublicKeySpec(null,
                new ECParameterSpec(c, g, BigInteger.valueOf(5L), 10));
            fail("#1: Expected NPE not thrown");
        } catch (NullPointerException ok) {
        }


        // Test case 2: params is null
        try {
            new ECPublicKeySpec(g, null);
            fail("#2: Expected NPE not thrown");
        } catch (NullPointerException ok) {
        }


        // Test case 3: both w and params are null
        try {
            new ECPublicKeySpec(null, null);
            fail("#3: Expected NPE not thrown");
        } catch (NullPointerException ok) {
        }
    }
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                               BigInteger.ZERO,
                               BigInteger.valueOf(4L));
         ECPoint g = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));

         try {
             new ECPublicKeySpec(ECPoint.POINT_INFINITY,
                     new ECParameterSpec(c, g, BigInteger.valueOf(5L), 10));
            fail("Expected IAE not thrown");
         } catch (IllegalArgumentException ok) {
         }
     }
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                              BigInteger.valueOf(4L));
        ECPoint g = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));
        ECParameterSpec params =
            new ECParameterSpec(c, g, BigInteger.valueOf(5L), 10);

        ECPublicKeySpec ks = new ECPublicKeySpec(g, params);
        ECParameterSpec paramsRet = ks.getParams();
       
        assertEquals(params, paramsRet);
        assertSame(params, paramsRet);
    }
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                              BigInteger.valueOf(4L));
        ECPoint g = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));
        ECParameterSpec params =
            new ECParameterSpec(c, g, BigInteger.valueOf(5L), 10);

        ECPublicKeySpec ks = new ECPublicKeySpec(g, params);
        ECPoint wRet = ks.getW();

        assertEquals(g, wRet);
        assertSame(g, wRet);
    }
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        ECPrivateKeySpec priKey = new ECPrivateKeySpec(
            new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
            spec);

        ECPublicKeySpec pubKey = new ECPublicKeySpec(
            ECPointUtil.decodePoint(curve, Hex.decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
            spec);

        Signature           sgr = Signature.getInstance("ECDSA", "BC");
        KeyFactory          f = KeyFactory.getInstance("ECDSA", "BC");
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        ECPrivateKeySpec priKeySpec = new ECPrivateKeySpec(
            new BigInteger("145642755521911534651321230007534120304391871461646461466464667494947990"), // d
            params);
       
        ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(
            ECPointUtil.decodePoint(curve, Hex.decode("045894609CCECF9A92533F630DE713A958E96C97CCB8F5ABB5A688A238DEED6DC2D9D0C94EBFB7D526BA6A61764175B99CB6011E2047F9F067293F57F5")), // Q
            params);
   
        Signature   sgr = Signature.getInstance("ECDSA", "BC");
        KeyFactory  f = KeyFactory.getInstance("ECDSA", "BC");
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Related Classes of java.security.spec.ECPublicKeySpec

  • ch.ethz.inf.vs.scandium.dtls.ECDHECryptography
  • ch.ethz.inf.vs.scandium.dtls.ECDHServerKeyExchange
  • com.nimbusds.jose.jwk.ECKey
  • org.apache.cxf.rs.security.oauth2.utils.crypto.CryptoUtils
  • org.apache.harmony.security.tests.java.security.spec.ECPublicKeySpec_ImplTest
  • org.apache.jcp.xml.dsig.internal.dom.DOMKeyValue$EC
  • org.apache.sshd.common.kex.ECDH
  • org.apache.sshd.common.util.Buffer
  • org.bouncycastle.jce.provider.test.ECDSA5Test
  • org.ejbca.util.CertTools
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