Ejemplos de BER_Decoder::get_next_object en C++ (Cpp)

Ejemplo n.º 1

Archivo: asn1_eac_tm.cpp Proyecto: Kampbell/botan

/*
* Decode a BER encoded EAC_Time
*/
void EAC_Time::decode_from(BER_Decoder& source)
   {
   BER_Object obj = source.get_next_object();

   if(obj.type_tag != this->tag)
      throw BER_Decoding_Error("Tag mismatch when decoding");

   if(obj.value.size() != 6)
      {
      throw Decoding_Error("EAC_Time decoding failed");
      }

   try
      {
      u32bit tmp_year = dec_two_digit(obj.value[0], obj.value[1]);
      u32bit tmp_mon = dec_two_digit(obj.value[2], obj.value[3]);
      u32bit tmp_day = dec_two_digit(obj.value[4], obj.value[5]);
      year = tmp_year + 2000;
      month = tmp_mon;
      day = tmp_day;
      }
   catch (Invalid_Argument)
      {
      throw Decoding_Error("EAC_Time decoding failed");
      }

   }

Ejemplo n.º 2

Archivo: asn1_eac_str.cpp Proyecto: BenjaminSchiborr/safe

/*
* Decode a BER encoded ASN1_EAC_String
*/
void ASN1_EAC_String::decode_from(BER_Decoder& source)
   {
   BER_Object obj = source.get_next_object();

   if(obj.type_tag != this->tag)
      {
      std::stringstream ss;

      ss << "ASN1_EAC_String tag mismatch, tag was "
         << std::hex << obj.type_tag
         << " expected "
         << std::hex << this->tag;

      throw Decoding_Error(ss.str());
      }

   Character_Set charset_is;
   charset_is = LATIN1_CHARSET;

   try
      {
      *this = ASN1_EAC_String(
         Charset::transcode(ASN1::to_string(obj), charset_is, LOCAL_CHARSET),
         obj.type_tag);
      }
   catch(Invalid_Argument inv_arg)
      {
      throw Decoding_Error(std::string("ASN1_EAC_String decoding failed: ") +
                           inv_arg.what());
      }
   }

Ejemplo n.º 3

Archivo: asn1_time.cpp Proyecto: Kampbell/botan

void X509_Time::decode_from(BER_Decoder& source)
   {
   BER_Object ber_time = source.get_next_object();

   set_to(Charset::transcode(ASN1::to_string(ber_time),
                             LATIN1_CHARSET,
                             LOCAL_CHARSET),
          ber_time.type_tag);
   }

Ejemplo n.º 4

Archivo: asn1_str.cpp Proyecto: TheProjecter/project-qtcreator

/*
* Decode a BER encoded ASN1_String
*/
void ASN1_String::decode_from(BER_Decoder& source)
{
    BER_Object obj = source.get_next_object();

    Character_Set charset_is;

    if(obj.type_tag == BMP_STRING)
        charset_is = UCS2_CHARSET;
    else if(obj.type_tag == UTF8_STRING)
        charset_is = UTF8_CHARSET;
    else
        charset_is = LATIN1_CHARSET;

    *this = ASN1_String(
                Charset::transcode(ASN1::to_string(obj), charset_is, LOCAL_CHARSET),
                obj.type_tag);
}

Ejemplo n.º 5

Archivo: asn1_eac_str.cpp Proyecto: TheProjecter/project-qtcreator

/*
* Decode a BER encoded ASN1_EAC_String
*/
void ASN1_EAC_String::decode_from(BER_Decoder& source)
   {
   BER_Object obj = source.get_next_object();
   if (obj.type_tag != this->tag)
      {

      std::string message("decoding type mismatch for ASN1_EAC_String, tag is ");
      std::stringstream ss;
      std::string str_is;
      ss << std::hex << obj.type_tag;
      ss >> str_is;
      message.append(str_is);
      message.append(", while it should be ");
      std::stringstream ss2;
      std::string str_should;
      ss2 << std::hex << this->tag;
      ss2 >> str_should;
      message.append(str_should);
      throw Decoding_Error(message);
      }

Ejemplo n.º 6

Archivo: pubkey_enums.cpp Proyecto: Amaterasu27/miktex

/*
* Decode a BER encoded KeyUsage
*/
void decode(BER_Decoder& source, Key_Constraints& key_usage)
   {
   BER_Object obj = source.get_next_object();

   if(obj.type_tag != BIT_STRING || obj.class_tag != UNIVERSAL)
      throw BER_Bad_Tag("Bad tag for usage constraint",
                        obj.type_tag, obj.class_tag);
   if(obj.value.size() != 2 && obj.value.size() != 3)
      throw BER_Decoding_Error("Bad size for BITSTRING in usage constraint");
   if(obj.value[0] >= 8)
      throw BER_Decoding_Error("Invalid unused bits in usage constraint");

   const byte mask = (0xFF << obj.value[0]);
   obj.value[obj.value.size()-1] &= mask;

   u16bit usage = 0;
   for(u32bit j = 1; j != obj.value.size(); ++j)
      usage = (obj.value[j] << 8) | usage;

   key_usage = Key_Constraints(usage);
   }

Ejemplo n.º 7

Archivo: asn1_time.cpp Proyecto: binary1248/SFNUL

void X509_Time::decode_from(BER_Decoder& source)
   {
   BER_Object ber_time = source.get_next_object();

   set_to(ASN1::to_string(ber_time), ber_time.type());
   }