Package org.mozilla.jss.asn1

Examples of org.mozilla.jss.asn1.OCTET_STRING

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      // BigInteger(1,byte[])
      // constructor. Anyway, we do it manually...
      SEQUENCE.Template foo = new SEQUENCE.Template();
      foo.addElement(ANY.getTemplate());
      foo.addElement(ANY.getTemplate());
      SEQUENCE bar = (SEQUENCE) foo.decode(new ByteArrayInputStream(sigBytes));
      BigInteger r = new BigInteger(1, ((ANY) bar.elementAt(0)).getContents());
      BigInteger s = new BigInteger(1, ((ANY) bar.elementAt(1)).getContents());

      BigInteger e = trimHash(hash.digest(), params);
      BigInteger n = params.getOrder();

      // r in [1,n-1]
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  @Override
  public byte[] getEncoded() {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    SEQUENCE privateKeyInfo = new SEQUENCE();
    privateKeyInfo.addElement(new INTEGER(0));

    SEQUENCE algid = new SEQUENCE();
    algid.addElement(new OBJECT_IDENTIFIER("1.2.840.10045.2.1"));
    algid.addElement(new OBJECT_IDENTIFIER(EcCore.getOID(params)));
    privateKeyInfo.addElement(algid);

    SEQUENCE ecPrivateKey = new SEQUENCE();
    ecPrivateKey.addElement(new INTEGER(1));
    ecPrivateKey
        .addElement(new OCTET_STRING(EcCore.fieldElemToBytes(S, params)));

    try {
      ecPrivateKey.encode(baos);
    } catch (IOException ioe) {
      throw new RuntimeException("Internal ASN.1 encoding error", ioe);
    }

    privateKeyInfo.addElement(new OCTET_STRING(baos.toByteArray()));
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    return "EC";
  }

  @Override
  public byte[] getEncoded() {
    SEQUENCE outer = new SEQUENCE();

    SEQUENCE algid = new SEQUENCE();
    algid.addElement(new OBJECT_IDENTIFIER("1.2.840.10045.2.1"));
    algid.addElement(new OBJECT_IDENTIFIER(EcCore.getOID(params)));
    outer.addElement(algid);

    BIT_STRING ecPublivKey = new BIT_STRING(EcCore.ecPointToBytes(getW(),
        params), 0);
    outer.addElement(ecPublivKey);
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        SEQUENCE.Template foo = new SEQUENCE.Template();
        foo.addElement(new INTEGER.Template());
        foo.addElement(new OCTET_STRING.Template());

        SEQUENCE ecPrivateKey = (SEQUENCE) foo.decode(new ByteArrayInputStream(
            pki.getEncoded()));
        OCTET_STRING arrhh = (OCTET_STRING) ecPrivateKey.elementAt(1);
        return new EcPrivateKeyImpl(new BigInteger(1, arrhh.toByteArray()),
            params);
      } catch (Exception e) {
        throw new InvalidKeySpecException("Invalid key encoding", e);
      }
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        SEQUENCE.Template outer = new SEQUENCE.Template();
        outer.addElement(AlgorithmIdentifier.getTemplate());
        outer.addElement(BIT_STRING.getTemplate());

        byte[] data = ((X509EncodedKeySpec) keySpec).getEncoded();
        SEQUENCE ecPublicKey = (SEQUENCE) outer
            .decode(new ByteArrayInputStream(data));

        AlgorithmIdentifier algid = (AlgorithmIdentifier) ecPublicKey
            .elementAt(0);
        if (!algid.getOID().toString().equals("{1 2 840 10045 2 1}")) // ecPublicKey
          throw new IllegalArgumentException("Unsupported key");

        ECParameterSpec params = EcCore.getParams(decodeOID(algid
            .getParameters()));

        BIT_STRING bs = (BIT_STRING) ecPublicKey.elementAt(1);
        data = bs.getBits();

        return new EcPublicKeyImpl(EcCore.bytesToECPoint(data, params), params);
      } catch (Exception e) {
        throw new InvalidKeySpecException("Invalid key encoding", e);
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Related Classes of org.mozilla.jss.asn1.OCTET_STRING

  • org.keyczar.jce.EcKeyFactoryImpl
  • org.keyczar.jce.EcPrivateKeyImpl
  • org.keyczar.jce.EcPublicKeyImpl
  • org.keyczar.jce.EcSignatureImpl
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