Botan 2.13.0 Crypto and TLS for C++11

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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

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 222 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().

223 {
224 uint8_t first_u8;
225 if(!source.peek_byte(first_u8))
226 {
227 BOTAN_ASSERT_EQUAL(source.read_byte(first_u8), 0, "Expected EOF");
228 throw Stream_IO_Error("ASN1::maybe_BER: Source was empty");
229 }
230
231 if(first_u8 == (SEQUENCE | CONSTRUCTED))
232 return true;
233 return false;
234 }
Botan::CONSTRUCTED
Definition: asn1_obj.h:28
Botan::SEQUENCE
Definition: asn1_obj.h:40
BOTAN_ASSERT_EQUAL
#define BOTAN_ASSERT_EQUAL(expr1, expr2, assertion_made)
Definition: assert.h:81

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

Definition at line 195 of file asn1_obj.cpp.

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

196 {
197 return ASN1::put_in_sequence(contents.data(), contents.size());
198 }
Botan::ASN1::put_in_sequence
std::vector< uint8_t > put_in_sequence(const uint8_t bits[], size_t len)
Definition: asn1_obj.cpp:200

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

Definition at line 200 of file asn1_obj.cpp.

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

201 {
202 std::vector<uint8_t> output;
203 DER_Encoder(output)
204 .start_cons(SEQUENCE)
205 .raw_bytes(bits, len)
206 .end_cons();
207 return output;
208 }
Botan::SEQUENCE
Definition: asn1_obj.h:40

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

Definition at line 213 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::GOST_3410_PublicKey::algo_name(), Botan::SCAN_Name::arg(), Botan::SCAN_Name::as_string(), Botan::asn1_class_to_string(), Botan::asn1_tag_to_string(), Botan::BER_Object::assert_is_a(), botan_privkey_create_mceliece(), botan_privkey_create_rsa(), Botan::CCM_Mode::CCM_Mode(), Botan::CFB_Mode::CFB_Mode(), Botan::check_passhash9(), Botan::TLS::Policy::check_peer_key_acceptable(), Botan::TLS::Client_Key_Exchange::Client_Key_Exchange(), Botan::CMAC::CMAC(), Botan::ASN1_String::decode_from(), Botan::AlternativeName::decode_from(), Botan::X509_Time::decode_from(), Botan::GeneralName::decode_from(), Botan::DL_Group::DER_encode(), Botan::DL_Group::DL_Group(), Botan::EAX_Mode::EAX_Mode(), Botan::GCM_Mode::GCM_Mode(), Botan::generate_dsa_primes(), Botan::generate_passhash9(), Botan::BER_Decoder::get_next_value(), Botan::GOST_3410_PrivateKey::GOST_3410_PrivateKey(), Botan::GOST_3410_PublicKey::GOST_3410_PublicKey(), 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::RC4::name(), Botan::EMSA_Raw::name(), Botan::GCM_Mode::name(), Botan::CCM_Mode::name(), Botan::CTR_BE::name(), Botan::BLAKE2b::name(), Botan::SHA_3::name(), Botan::SHAKE_128::name(), Botan::Keccak_1600::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::OS::open_socket_udp(), Botan::HTTP::operator<<(), Botan::OS2ECP(), Botan::DL_Group::PEM_encode(), Botan::random_prime(), Botan::random_safe_prime(), Botan::read_cfg(), Botan::TLS::Channel::received_data(), 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::Bcrypt_PBKDF::to_string(), Botan::Argon2::to_string(), Botan::PBKDF2::to_string(), Botan::TLS::Protocol_Version::to_string(), Botan::polyn_gf2m::to_string(), Botan::RFC4880_S2K::to_string(), Botan::Charset::transcode(), Botan::TLS::Alert::type_string(), Botan::X509_Object::verify_signature(), Botan::Path_Validation_Result::warnings_string(), and Botan::XMSS_Parameters::XMSS_Parameters().

214 {
215 return std::string(cast_uint8_ptr_to_char(obj.bits()),
216 obj.length());
217 }
Botan::cast_uint8_ptr_to_char
const char * cast_uint8_ptr_to_char(const uint8_t *b)
Definition: mem_ops.h:194