Botan::ASN1 Namespace Reference

Functions
bool	maybe_BER (DataSource &source)
std::vector< uint8_t >	put_in_sequence (const std::vector< uint8_t > &contents)
std::vector< uint8_t >	put_in_sequence (const uint8_t bits[], size_t len)
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 197 of file asn1_obj.cpp.

                                   {
   uint8_t first_u8 = 0;
   if(source.peek_byte(first_u8) == 0) {
      BOTAN_ASSERT_EQUAL(source.read_byte(first_u8), 0, "Expected EOF");
      throw Stream_IO_Error("ASN1::maybe_BER: Source was empty");
   }
 
   const auto cons_seq = static_cast<uint8_t>(ASN1_Class::Constructed) | static_cast<uint8_t>(ASN1_Type::Sequence);
   return first_u8 == cons_seq;
}

References BOTAN_ASSERT_EQUAL, Botan::Constructed, Botan::DataSource::peek_byte(), Botan::DataSource::read_byte(), and Botan::Sequence.

Referenced by Botan::X509_Object::load_data(), and Botan::X509::load_key().

put_in_sequence() [1/2]

std::vector< uint8_t > Botan::ASN1::put_in_sequence

(

const std::vector< uint8_t > &

contents

)

Definition at line 177 of file asn1_obj.cpp.

                                                                       {
   return ASN1::put_in_sequence(contents.data(), contents.size());
}

References put_in_sequence().

Referenced by Botan::GeneralName::binary_name(), botan_x509_crl_view_binary_values(), put_in_sequence(), Botan::X509_Object::tbs_data(), and Botan::OCSP::Response::verify_signature().

put_in_sequence() [2/2]

std::vector< uint8_t > Botan::ASN1::put_in_sequence	(	const uint8_t	bits[],
		size_t	len )

Definition at line 181 of file asn1_obj.cpp.

                                                                     {
   std::vector<uint8_t> output;
   DER_Encoder(output).start_sequence().raw_bytes(bits, len).end_cons();
   return output;
}

References Botan::DER_Encoder::end_cons(), Botan::DER_Encoder::raw_bytes(), and Botan::DER_Encoder::start_sequence().

to_string()

std::string Botan::ASN1::to_string

(

const BER_Object &

obj

)

Definition at line 190 of file asn1_obj.cpp.

                                           {
   return bytes_to_string(obj.data());
}

References Botan::bytes_to_string(), and Botan::BER_Object::data().

Referenced by Botan::AlternativeName::decode_from(), Botan::ASN1_String::decode_from(), Botan::ASN1_Time::decode_from(), and Botan::GeneralName::decode_from().