Esempi in Java per BouncyCastleProvider.getPublicKey

Esempio n. 1

File: SignatureSpi.java Progetto: fadossantos/bc-java

  protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
    CipherParameters param;

    if (publicKey instanceof ECPublicKey) {
      param = ECUtil.generatePublicKeyParameter(publicKey);
    } else if (publicKey instanceof GOST3410Key) {
      param = GOST3410Util.generatePublicKeyParameter(publicKey);
    } else {
      try {
        byte[] bytes = publicKey.getEncoded();

        publicKey = BouncyCastleProvider.getPublicKey(SubjectPublicKeyInfo.getInstance(bytes));

        if (publicKey instanceof ECPublicKey) {
          param = ECUtil.generatePublicKeyParameter(publicKey);
        } else {
          throw new InvalidKeyException("can't recognise key type in DSA based signer");
        }
      } catch (Exception e) {
        throw new InvalidKeyException("can't recognise key type in DSA based signer");
      }
    }

    digest.reset();
    signer.init(false, param);
  }