Botan::ASN1 Namespace Reference

Functions
bool	maybe_BER (DataSource &source)
SecureVector< byte >	put_in_sequence (const MemoryRegion< byte > &contents)
std::string	to_string (const BER_Object &obj)

Function Documentation

maybe_BER()

bool Botan::ASN1::maybe_BER

(

DataSource &

src

)

Heuristics tests; is this object possibly BER?

Parameters

src	a data source that will be peeked at but not modified

Definition at line 55 of file asn1_int.cpp.

   {
   byte first_byte;
   if(!source.peek_byte(first_byte))
      throw Stream_IO_Error("ASN1::maybe_BER: Source was empty");
 
   if(first_byte == (SEQUENCE | CONSTRUCTED))
      return true;
   return false;
   }

References Botan::CONSTRUCTED, maybe_BER(), Botan::DataSource::peek_byte(), Botan::SEQUENCE, and Botan::Stream_IO_Error::Stream_IO_Error().

Referenced by Botan::CMS_Decoder::CMS_Decoder(), Botan::X509::load_key(), and maybe_BER().

put_in_sequence()

SecureVector< byte > Botan::ASN1::put_in_sequence

(

const MemoryRegion< byte > &

contents

)

Definition at line 34 of file asn1_int.cpp.

   {
   return DER_Encoder()
      .start_cons(SEQUENCE)
         .raw_bytes(contents)
      .end_cons()
   .get_contents();
   }

References Botan::DER_Encoder::end_cons(), Botan::DER_Encoder::get_contents(), put_in_sequence(), Botan::DER_Encoder::raw_bytes(), Botan::SEQUENCE, and Botan::DER_Encoder::start_cons().

Referenced by put_in_sequence(), and Botan::X509_Object::tbs_data().

to_string()

std::string Botan::ASN1::to_string

(

const BER_Object &

obj

)

Definition at line 46 of file asn1_int.cpp.

   {
   return std::string(reinterpret_cast<const char*>(&obj.value[0]),
                      obj.value.size());
   }

References Botan::MemoryRegion< T >::size(), to_string(), and Botan::BER_Object::value.

Referenced by Botan::AlternativeName::decode_from(), Botan::ASN1_EAC_String::decode_from(), Botan::ASN1_String::decode_from(), Botan::X509_Time::decode_from(), and to_string().