Botan
1.11.15
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#include <skein_512.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) |
size_t | hash_block_size () const |
std::string | name () const |
size_t | output_length () const |
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) |
Skein_512 (size_t output_bits=512, const std::string &personalization="") | |
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 Skein_512 * | make (const Spec &spec) |
Skein-512, a SHA-3 candidate
Definition at line 21 of file skein_512.h.
typedef SCAN_Name Botan::HashFunction::Spec [inherited] |
Botan::Skein_512::Skein_512 | ( | size_t | output_bits = 512 , |
const std::string & | personalization = "" |
||
) |
output_bits | the output size of Skein in bits |
personalization | is a string that will paramaterize the hash output |
Definition at line 24 of file skein_512.cpp.
Referenced by clone(), and make().
: personalization(arg_personalization), output_bits(arg_output_bits), m_threefish(new Threefish_512), T(2), buffer(64), buf_pos(0) { if(output_bits == 0 || output_bits % 8 != 0 || output_bits > 512) throw Invalid_Argument("Bad output bits size for Skein-512"); initial_block(); }
void Botan::Skein_512::clear | ( | ) | [virtual] |
Implements Botan::HashFunction.
Definition at line 50 of file skein_512.cpp.
References Botan::zeroise().
{ zeroise(buffer); buf_pos = 0; initial_block(); }
HashFunction * Botan::Skein_512::clone | ( | ) | const [virtual] |
Implements Botan::HashFunction.
Definition at line 45 of file skein_512.cpp.
References Skein_512().
{ return new Skein_512(output_bits, personalization); }
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]); }
size_t Botan::Skein_512::hash_block_size | ( | ) | const [inline, virtual] |
Reimplemented from Botan::HashFunction.
Definition at line 32 of file skein_512.h.
{ return 64; }
Skein_512 * Botan::Skein_512::make | ( | const Spec & | spec | ) | [static] |
Definition at line 19 of file skein_512.cpp.
References Botan::SCAN_Name::arg(), Botan::SCAN_Name::arg_as_integer(), and Skein_512().
{ return new Skein_512(spec.arg_as_integer(0, 512), spec.arg(1, "")); }
std::string Botan::Skein_512::name | ( | ) | const [virtual] |
Implements Botan::HashFunction.
Definition at line 37 of file skein_512.cpp.
References Botan::ASN1::to_string().
{ if(personalization != "") return "Skein-512(" + std::to_string(output_bits) + "," + personalization + ")"; return "Skein-512(" + std::to_string(output_bits) + ")"; }
size_t Botan::Skein_512::output_length | ( | ) | const [inline, virtual] |
Implements Botan::Buffered_Computation.
Definition at line 33 of file skein_512.h.
{ return output_bits / 8; }
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().