Package org.vngx.jsch.algorithm

Examples of org.vngx.jsch.algorithm.SignatureDSA.update()

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      byte[] y = hostKeyBuffer.getMPInt();  // impint public key of dsa

      // Create SignatureDSA instance for verifying server host
      SignatureDSA sig = AlgorithmManager.getManager().createAlgorithm(Algorithms.SIGNATURE_DSS, _session);
      sig.setPubKey(y, p, q, g);
      sig.update(_H);
      return sig.verify(signatureOfH);
    } catch(Exception e) {
      throw new KexException("Failed to verify host key (DSA)", e);
    }
  }
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      }
      case SSH_DSS: {
        try {
          SignatureDSA dsa = AlgorithmManager.getManager().createAlgorithm(Algorithms.SIGNATURE_DSS);
          dsa.setPrvKey(_prvKeyDSA, _pDSA, _qDSA, _gDSA);
          dsa.update(data);
          byte[] sig = dsa.sign();
          byte[] buffer = new byte[KeyType.SSH_DSS.toString().length() + 4 + sig.length + 4];
          Buffer buf = new Buffer(buffer);
          buf.putString(KeyType.SSH_DSS.getBytes());
          buf.putString(sig);
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