Botan  2.6.0
Crypto and TLS for C++11
Functions
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
srca data source that will be peeked at but not modified

Definition at line 154 of file asn1_obj.cpp.

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().

155  {
156  uint8_t first_u8;
157  if(!source.peek_byte(first_u8))
158  {
159  BOTAN_ASSERT_EQUAL(source.read_byte(first_u8), 0, "Expected EOF");
160  throw Stream_IO_Error("ASN1::maybe_BER: Source was empty");
161  }
162 
163  if(first_u8 == (SEQUENCE | CONSTRUCTED))
164  return true;
165  return false;
166  }
#define BOTAN_ASSERT_EQUAL(expr1, expr2, assertion_made)
Definition: assert.h:56

◆ put_in_sequence() [1/2]

std::vector< uint8_t > Botan::ASN1::put_in_sequence ( const std::vector< uint8_t > &  contents)

Definition at line 128 of file asn1_obj.cpp.

Referenced by Botan::X509_Object::tbs_data(), and Botan::OCSP::Response::verify_signature().

129  {
130  return ASN1::put_in_sequence(contents.data(), contents.size());
131  }
std::vector< uint8_t > put_in_sequence(const uint8_t bits[], size_t len)
Definition: asn1_obj.cpp:133

◆ put_in_sequence() [2/2]

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

Definition at line 133 of file asn1_obj.cpp.

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

134  {
135  return DER_Encoder()
136  .start_cons(SEQUENCE)
137  .raw_bytes(bits, len)
138  .end_cons()
139  .get_contents_unlocked();
140  }

◆ to_string()

std::string Botan::ASN1::to_string ( const BER_Object obj)

Definition at line 145 of file asn1_obj.cpp.

References Botan::BER_Object::bits(), Botan::cast_uint8_ptr_to_char(), and Botan::BER_Object::length().

Referenced by Botan::Data_Store::add(), Botan::TLS::Stream_Handshake_IO::add_record(), Botan::TLS::Alert::Alert(), Botan::SCAN_Name::arg(), Botan::asn1_tag_to_string(), Botan::BER_Object::assert_is_a(), botan_bcrypt_generate(), botan_privkey_create_mceliece(), botan_privkey_create_rsa(), Botan::check_passhash9(), Botan::TLS::Policy::check_peer_key_acceptable(), Botan::TLS::Client_Key_Exchange::Client_Key_Exchange(), Botan::TLS::Handshake_State::confirm_transition_to(), Botan::ASN1_String::decode_from(), Botan::AlternativeName::decode_from(), Botan::X509_Time::decode_from(), Botan::DL_Group::DER_encode(), Botan::Device_EntropySource::Device_EntropySource(), Botan::DL_Group::DL_Group(), Botan::Blowfish::eks_key_schedule(), Botan::GCM_Mode::GCM_Mode(), Botan::generate_dsa_primes(), Botan::generate_passhash9(), Botan::BER_Decoder::get_next_value(), Botan::BigInt::get_substring(), Botan::TLS::handshake_type_to_string(), Botan::HTTP::http_sync(), Botan::ipv4_to_string(), Botan::Keccak_1600::Keccak_1600(), Botan::Tiger::name(), Botan::SipHash::name(), Botan::CFB_Mode::name(), Botan::Streebog::name(), Botan::EMSA_Raw::name(), Botan::RC4::name(), Botan::CCM_Mode::name(), Botan::GCM_Mode::name(), Botan::Blake2b::name(), Botan::CTR_BE::name(), Botan::Keccak_1600::name(), Botan::SHA_3::name(), Botan::SHAKE_128::name(), Botan::PSSR::name(), Botan::Skein_512::name(), Botan::Lion::name(), Botan::ISO_9796_DS2::name(), Botan::FPE_FE1::name(), Botan::ChaCha::name(), Botan::SHAKE_256::name(), Botan::PSSR_Raw::name(), Botan::HTTP::operator<<(), Botan::OS2ECP(), Botan::pbkdf2(), Botan::DL_Group::PEM_encode(), Botan::random_prime(), Botan::random_safe_prime(), Botan::read_cfg(), Botan::TLS::Channel::received_data(), Botan::OCSP::Response::Response(), Botan::rfc3394_keyunwrap(), Botan::rfc3394_keywrap(), Botan::RSA_PrivateKey::RSA_PrivateKey(), Botan::SIV_Mode::set_associated_data_n(), Botan::SHA_3::SHA_3(), Botan::SHAKE_128::SHAKE_128(), Botan::SHAKE_256::SHAKE_256(), Botan::TLS::Application_Layer_Protocol_Notification::single_protocol(), Botan::srp6_group_identifier(), Botan::Streebog::Streebog(), Botan::X509_Certificate::subject_info(), Botan::Tiger::Tiger(), Botan::X509_Time::to_string(), Botan::OID::to_string(), Botan::TLS::Protocol_Version::to_string(), Botan::polyn_gf2m::to_string(), Botan::Charset::transcode(), Botan::TLS::Alert::type_string(), Botan::X509_Object::verify_signature(), and Botan::Path_Validation_Result::warnings_string().

146  {
147  return std::string(cast_uint8_ptr_to_char(obj.bits()),
148  obj.length());
149  }
const char * cast_uint8_ptr_to_char(const uint8_t *b)
Definition: mem_ops.h:136