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ServerSignature.cc

/*
 * Copyright 2003 Michael A. Marsh, Cornell University. All rights reserved.
 * This software is released under the modified BSD license.
 * See the file LICENSE in the top-level directory for details.
 */
//
// $Id: ServerSignature.cc,v 1.3 2004/05/19 15:56:58 mmarsh Exp $
//
// $Log: ServerSignature.cc,v $
// Revision 1.3  2004/05/19 15:56:58  mmarsh
// *** empty log message ***
//
// Revision 1.2  2003/11/04 22:31:51  mmarsh
// *** empty log message ***
//
//

#include "ServerSignature.h"
#include "CODEX_ASN1/Array.h"

using namespace CODEX_Server;

ServerSignature::ServerSignature() :
   CODEX_ASN1::Base( false )
{}

ServerSignature::ServerSignature( unsigned int serverID ,
                                  const CODEX_Ciphers::RSASignature& sig ) :
   CODEX_ASN1::Base( true ),
   m_serverID( serverID ),
   m_signature( sig )
{
}

ServerSignature::ServerSignature( const CODEX_ASN1::Integer& serverID,
                                  const CODEX_Ciphers::RSASignature& sig ) :
   CODEX_ASN1::Base( true ),
   m_serverID( serverID ),
   m_signature( sig )
{
}

ServerSignature::ServerSignature( const ServerSignature& aOther ) :
   CODEX_ASN1::Base( aOther.m_initialized ),
   m_serverID( aOther.m_serverID ),
   m_signature( aOther.m_signature )
{
}

void ServerSignature::operator=( const ServerSignature& aOther )
{
   m_initialized = aOther.m_initialized;
   m_serverID    = aOther.m_serverID;
   m_signature   = aOther.m_signature;
}

int ServerSignature::marshal( unsigned char ** pp ) const
{
   int r=0;
   int ret=0;
   unsigned char * p;

   ret += m_serverID.marshal(0);
   ret += m_signature.marshal(0);
   M_ASN1_I2D_seq_total();
   m_serverID.marshal(&p);
   m_signature.marshal(&p);
   M_ASN1_I2D_finish();
}

void* ServerSignature::unmarshal( void* bogus,
                                  unsigned char ** pp,
                                  long length )
{
   if ( m_initialized )
   {
      return NULL;
   }
   if ( (NULL == pp) || (NULL == *pp) )
   {
      return NULL;
   }
   ASN1_CTX c;
   c.pp = pp;
   c.q = *pp;
   c.error = ERR_R_NESTED_ASN1_ERROR;
   int i;

   M_ASN1_D2I_Init();
   M_ASN1_D2I_start_sequence();
   M_ASN1_D2I_get(i, m_serverID.unmarshal);
   M_ASN1_D2I_get(i, m_signature.unmarshal);
   if ( !asn1_Finish(&c) )
   {
      return NULL;
   }
   *pp=c.p;
   m_initialized = true;
   return this;
  err: // needed by ASN.1 macros
   return NULL;
}

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