Botan
1.11.15
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#include <par_hash.h>
Public Types | |
typedef SCAN_Name | Spec |
Public Member Functions | |
void | clear () |
HashFunction * | clone () const |
void | final (byte out[]) |
secure_vector< byte > | final () |
template<typename Alloc > | |
void | final (std::vector< byte, Alloc > &out) |
virtual size_t | hash_block_size () const |
std::string | name () const |
size_t | output_length () const |
Parallel (const std::vector< HashFunction * > &hashes) | |
secure_vector< byte > | process (const byte in[], size_t length) |
secure_vector< byte > | process (const secure_vector< byte > &in) |
secure_vector< byte > | process (const std::vector< byte > &in) |
secure_vector< byte > | process (const std::string &in) |
void | update (const byte in[], size_t length) |
void | update (const secure_vector< byte > &in) |
void | update (const std::vector< byte > &in) |
void | update (const std::string &str) |
void | update (byte in) |
template<typename T > | |
void | update_be (const T in) |
Static Public Member Functions | |
static Parallel * | make (const Spec &spec) |
Parallel Hashes
Definition at line 19 of file par_hash.h.
typedef SCAN_Name Botan::HashFunction::Spec [inherited] |
Botan::Parallel::Parallel | ( | const std::vector< HashFunction * > & | hashes | ) |
hashes | a set of hashes to compute in parallel |
Definition at line 89 of file par_hash.cpp.
References clone().
{ for(size_t i = 0; i != in.size(); ++i) { std::unique_ptr<HashFunction> h(in[i]->clone()); hashes.push_back(std::move(h)); } }
void Botan::Parallel::clear | ( | ) | [virtual] |
Implements Botan::HashFunction.
Definition at line 83 of file par_hash.cpp.
{ for(auto&& hash : hashes) hash->clear(); }
HashFunction * Botan::Parallel::clone | ( | ) | const [virtual] |
Implements Botan::HashFunction.
Definition at line 73 of file par_hash.cpp.
Referenced by Parallel().
{ std::vector<HashFunction*> hash_copies; for(auto&& hash : hashes) hash_copies.push_back(hash->clone()); return new Parallel(hash_copies); }
void Botan::Buffered_Computation::final | ( | byte | out[] | ) | [inline, inherited] |
Complete the computation and retrieve the final result.
out | The byte array to be filled with the result. Must be of length output_length() |
Definition at line 90 of file buf_comp.h.
Referenced by botan_hash_final(), botan_mac_final(), Botan::McEliece_KEM_Decryptor::decrypt(), Botan::TLS::Session::decrypt(), Botan::McEliece_KEM_Encryptor::encrypt(), Botan::TLS::Session::encrypt(), Botan::mgf1_mask(), Botan::pbkdf2(), and Botan::TLS::write_record().
{ final_result(out); }
secure_vector<byte> Botan::Buffered_Computation::final | ( | ) | [inline, inherited] |
Complete the computation and retrieve the final result.
Definition at line 97 of file buf_comp.h.
{ secure_vector<byte> output(output_length()); final_result(&output[0]); return output; }
void Botan::Buffered_Computation::final | ( | std::vector< byte, Alloc > & | out | ) | [inline, inherited] |
Definition at line 105 of file buf_comp.h.
{ out.resize(output_length()); final_result(&out[0]); }
virtual size_t Botan::HashFunction::hash_block_size | ( | ) | const [inline, virtual, inherited] |
Reimplemented in Botan::MDx_HashFunction, Botan::Skein_512, Botan::Keccak_1600, Botan::Comb4P, Botan::GOST_34_11, and Botan::MD2.
Definition at line 35 of file hash.h.
{ return 0; }
Parallel * Botan::Parallel::make | ( | const Spec & | spec | ) | [static] |
Definition at line 17 of file par_hash.cpp.
References Botan::SCAN_Name::arg(), and Botan::SCAN_Name::arg_count().
{ auto& hash_fns = Algo_Registry<HashFunction>::global_registry(); std::vector<std::unique_ptr<HashFunction>> hashes; for(size_t i = 0; i != spec.arg_count(); ++i) { std::unique_ptr<HashFunction> h(hash_fns.make(spec.arg(i))); if(!h) return nullptr; hashes.push_back(std::move(h)); } Parallel* p = new Parallel; std::swap(p->hashes, hashes); return p; }
std::string Botan::Parallel::name | ( | ) | const [virtual] |
Implements Botan::HashFunction.
Definition at line 63 of file par_hash.cpp.
References Botan::string_join().
{ std::vector<std::string> names; for(auto&& hash : hashes) names.push_back(hash->name()); return "Parallel(" + string_join(names, ',') + ")"; }
size_t Botan::Parallel::output_length | ( | ) | const [virtual] |
Implements Botan::Buffered_Computation.
Definition at line 54 of file par_hash.cpp.
{ size_t sum = 0; for(auto&& hash : hashes) sum += hash->output_length(); return sum; }
secure_vector<byte> Botan::Buffered_Computation::process | ( | const byte | in[], |
size_t | length | ||
) | [inline, inherited] |
Update and finalize computation. Does the same as calling update() and final() consecutively.
in | the input to process as a byte array |
length | the length of the byte array |
Definition at line 118 of file buf_comp.h.
Referenced by Botan::HMAC_RNG::HMAC_RNG(), Botan::RTSS_Share::split(), and Botan::Cert_Extension::Subject_Key_ID::Subject_Key_ID().
{ add_data(in, length); return final(); }
secure_vector<byte> Botan::Buffered_Computation::process | ( | const secure_vector< byte > & | in | ) | [inline, inherited] |
Update and finalize computation. Does the same as calling update() and final() consecutively.
in | the input to process |
Definition at line 130 of file buf_comp.h.
{ add_data(&in[0], in.size()); return final(); }
secure_vector<byte> Botan::Buffered_Computation::process | ( | const std::vector< byte > & | in | ) | [inline, inherited] |
Update and finalize computation. Does the same as calling update() and final() consecutively.
in | the input to process |
Definition at line 142 of file buf_comp.h.
{ add_data(&in[0], in.size()); return final(); }
secure_vector<byte> Botan::Buffered_Computation::process | ( | const std::string & | in | ) | [inline, inherited] |
void Botan::Buffered_Computation::update | ( | const byte | in[], |
size_t | length | ||
) | [inline, inherited] |
Add new input to process.
in | the input to process as a byte array |
length | of param in in bytes |
Definition at line 34 of file buf_comp.h.
Referenced by botan_hash_update(), botan_mac_update(), Botan::McEliece_KEM_Decryptor::decrypt(), Botan::TLS::Session::decrypt(), Botan::McEliece_KEM_Encryptor::encrypt(), Botan::TLS::Session::encrypt(), Botan::mgf1_mask(), Botan::pbkdf2(), and Botan::TLS::write_record().
{ add_data(in, length); }
void Botan::Buffered_Computation::update | ( | const secure_vector< byte > & | in | ) | [inline, inherited] |
Add new input to process.
in | the input to process as a secure_vector |
Definition at line 40 of file buf_comp.h.
{ add_data(&in[0], in.size()); }
void Botan::Buffered_Computation::update | ( | const std::vector< byte > & | in | ) | [inline, inherited] |
Add new input to process.
in | the input to process as a std::vector |
Definition at line 49 of file buf_comp.h.
{ add_data(&in[0], in.size()); }
void Botan::Buffered_Computation::update | ( | const std::string & | str | ) | [inline, inherited] |
Add new input to process.
str | the input to process as a std::string. Will be interpreted as a byte array based on the strings encoding. |
Definition at line 73 of file buf_comp.h.
{ add_data(reinterpret_cast<const byte*>(str.data()), str.size()); }
void Botan::Buffered_Computation::update | ( | byte | in | ) | [inline, inherited] |
Process a single byte.
in | the byte to process |
Definition at line 82 of file buf_comp.h.
{ add_data(&in, 1); }
void Botan::Buffered_Computation::update_be | ( | const T | in | ) | [inline, inherited] |
Add an integer in big-endian order
in | the value |
Definition at line 58 of file buf_comp.h.
References Botan::get_byte().
Referenced by Botan::mgf1_mask(), and Botan::pbkdf2().