Examples of ECPublicKeySpec

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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of java.security.spec.ECPublicKeySpec

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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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Examples of org.bouncycastle.jce.spec.ECPublicKeySpec

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       throws CryptoManagerException
     {
       ECPoint W = ECCparam.getCurve().decodePoint(input);
      
       KeySpec keyspec = new ECPublicKeySpec(W,(ECParameterSpec)ECCparam);

       try{
        
         return KeyFactory.getInstance("ECDSA", "BC").generatePublic(keyspec);
        
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Examples of org.bouncycastle.jce.spec.ECPublicKeySpec

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        ECPrivateKeySpec priKey = new ECPrivateKeySpec(
            new BigInteger("55441196065363246126355624130324183196576709222340016572108097750006097525544"), // d
            spec);

        ECPublicKeySpec pubKey = new ECPublicKeySpec(
                new ECPoint.Fp(curve,
                               new ECFieldElement.Fp(mod_p, new BigInteger("57520216126176808443631405023338071176630104906313632182896741342206604859403")), // x
                               new ECFieldElement.Fp(mod_p, new BigInteger("17614944419213781543809391949654080031942662045363639260709847859438286763994"))), // y
            spec);
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