Botan  2.7.0
Crypto and TLS for C++11
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Friends | List of all members
Botan::Threefish_512 Class Referencefinal

#include <threefish_512.h>

Inheritance diagram for Botan::Threefish_512:
Botan::Block_Cipher_Fixed_Params< 64, 64 > Botan::BlockCipher Botan::SymmetricAlgorithm

Public Types

enum  
 

Public Member Functions

size_t block_size () const override
 
void clear () override
 
BlockCipherclone () const override
 
void decrypt (const uint8_t in[], uint8_t out[]) const
 
void decrypt (uint8_t block[]) const
 
template<typename Alloc >
void decrypt (std::vector< uint8_t, Alloc > &block) const
 
template<typename Alloc , typename Alloc2 >
void decrypt (const std::vector< uint8_t, Alloc > &in, std::vector< uint8_t, Alloc2 > &out) const
 
void decrypt_n (const uint8_t in[], uint8_t out[], size_t blocks) const override
 
void decrypt_n_xex (uint8_t data[], const uint8_t mask[], size_t blocks) const override
 
void encrypt (const uint8_t in[], uint8_t out[]) const
 
void encrypt (uint8_t block[]) const
 
template<typename Alloc >
void encrypt (std::vector< uint8_t, Alloc > &block) const
 
template<typename Alloc , typename Alloc2 >
void encrypt (const std::vector< uint8_t, Alloc > &in, std::vector< uint8_t, Alloc2 > &out) const
 
void encrypt_n (const uint8_t in[], uint8_t out[], size_t blocks) const override
 
void encrypt_n_xex (uint8_t data[], const uint8_t mask[], size_t blocks) const override
 
Key_Length_Specification key_spec () const override
 
size_t maximum_keylength () const
 
size_t minimum_keylength () const
 
std::string name () const override
 
size_t parallel_bytes () const
 
size_t parallelism () const override
 
std::string provider () const override
 
void set_key (const SymmetricKey &key)
 
template<typename Alloc >
void set_key (const std::vector< uint8_t, Alloc > &key)
 
void set_key (const uint8_t key[], size_t length)
 
void set_tweak (const uint8_t tweak[], size_t len)
 
bool valid_keylength (size_t length) const
 

Static Public Member Functions

static std::unique_ptr< BlockCiphercreate (const std::string &algo_spec, const std::string &provider="")
 
static std::unique_ptr< BlockCiphercreate_or_throw (const std::string &algo_spec, const std::string &provider="")
 
static std::vector< std::string > providers (const std::string &algo_spec)
 

Protected Member Functions

void verify_key_set (bool cond) const
 

Friends

class Skein_512
 

Detailed Description

Threefish-512

Definition at line 18 of file threefish_512.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
inherited

Member Function Documentation

◆ block_size()

size_t Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::block_size ( ) const
inlineoverridevirtualinherited
Returns
block size of this algorithm

Implements Botan::BlockCipher.

Definition at line 208 of file block_cipher.h.

208 { return BS; }

◆ clear()

void Botan::Threefish_512::clear ( )
overridevirtual

Reset the state.

Implements Botan::SymmetricAlgorithm.

Definition at line 266 of file threefish_512.cpp.

References Botan::zap().

267  {
268  zap(m_K);
269  zap(m_T);
270  }
void zap(std::vector< T, Alloc > &vec)
Definition: secmem.h:193

◆ clone()

BlockCipher* Botan::Threefish_512::clone ( ) const
inlineoverridevirtual
Returns
new object representing the same algorithm as *this

Implements Botan::BlockCipher.

Definition at line 29 of file threefish_512.h.

29 { return new Threefish_512; }

◆ create()

std::unique_ptr< BlockCipher > Botan::BlockCipher::create ( const std::string &  algo_spec,
const std::string &  provider = "" 
)
staticinherited

Create an instance based on a name If provider is empty then best available is chosen.

Parameters
algo_specalgorithm name
providerprovider implementation to choose
Returns
a null pointer if the algo/provider combination cannot be found

Definition at line 104 of file block_cipher.cpp.

References Botan::SCAN_Name::algo_name(), Botan::SCAN_Name::arg(), Botan::SCAN_Name::arg_as_integer(), Botan::SCAN_Name::arg_count(), Botan::SCAN_Name::arg_count_between(), Botan::BlockCipher::block_size(), BOTAN_UNUSED, Botan::HashFunction::create(), Botan::StreamCipher::create(), hash, Botan::make_openssl_block_cipher(), and Botan::BlockCipher::provider().

Referenced by botan_block_cipher_init(), Botan::AEAD_Mode::create(), Botan::MessageAuthenticationCode::create(), Botan::StreamCipher::create(), Botan::Cipher_Mode::create(), and Botan::BlockCipher::create_or_throw().

106  {
107 #if defined(BOTAN_HAS_OPENSSL)
108  if(provider.empty() || provider == "openssl")
109  {
110  if(auto bc = make_openssl_block_cipher(algo))
111  return bc;
112 
113  if(!provider.empty())
114  return nullptr;
115  }
116 #endif
117 
118  // TODO: CommonCrypto
119  // TODO: CryptoAPI
120  // TODO: /dev/crypto
121 
122  // Only base providers from here on out
123  if(provider.empty() == false && provider != "base")
124  return nullptr;
125 
126 #if defined(BOTAN_HAS_AES)
127  if(algo == "AES-128")
128  {
129  return std::unique_ptr<BlockCipher>(new AES_128);
130  }
131 
132  if(algo == "AES-192")
133  {
134  return std::unique_ptr<BlockCipher>(new AES_192);
135  }
136 
137  if(algo == "AES-256")
138  {
139  return std::unique_ptr<BlockCipher>(new AES_256);
140  }
141 #endif
142 
143 #if defined(BOTAN_HAS_ARIA)
144  if(algo == "ARIA-128")
145  {
146  return std::unique_ptr<BlockCipher>(new ARIA_128);
147  }
148 
149  if(algo == "ARIA-192")
150  {
151  return std::unique_ptr<BlockCipher>(new ARIA_192);
152  }
153 
154  if(algo == "ARIA-256")
155  {
156  return std::unique_ptr<BlockCipher>(new ARIA_256);
157  }
158 #endif
159 
160 #if defined(BOTAN_HAS_SERPENT)
161  if(algo == "Serpent")
162  {
163  return std::unique_ptr<BlockCipher>(new Serpent);
164  }
165 #endif
166 
167 #if defined(BOTAN_HAS_SHACAL2)
168  if(algo == "SHACAL2")
169  {
170  return std::unique_ptr<BlockCipher>(new SHACAL2);
171  }
172 #endif
173 
174 #if defined(BOTAN_HAS_TWOFISH)
175  if(algo == "Twofish")
176  {
177  return std::unique_ptr<BlockCipher>(new Twofish);
178  }
179 #endif
180 
181 #if defined(BOTAN_HAS_THREEFISH_512)
182  if(algo == "Threefish-512")
183  {
184  return std::unique_ptr<BlockCipher>(new Threefish_512);
185  }
186 #endif
187 
188 #if defined(BOTAN_HAS_BLOWFISH)
189  if(algo == "Blowfish")
190  {
191  return std::unique_ptr<BlockCipher>(new Blowfish);
192  }
193 #endif
194 
195 #if defined(BOTAN_HAS_CAMELLIA)
196  if(algo == "Camellia-128")
197  {
198  return std::unique_ptr<BlockCipher>(new Camellia_128);
199  }
200 
201  if(algo == "Camellia-192")
202  {
203  return std::unique_ptr<BlockCipher>(new Camellia_192);
204  }
205 
206  if(algo == "Camellia-256")
207  {
208  return std::unique_ptr<BlockCipher>(new Camellia_256);
209  }
210 #endif
211 
212 #if defined(BOTAN_HAS_DES)
213  if(algo == "DES")
214  {
215  return std::unique_ptr<BlockCipher>(new DES);
216  }
217 
218  if(algo == "DESX")
219  {
220  return std::unique_ptr<BlockCipher>(new DESX);
221  }
222 
223  if(algo == "TripleDES" || algo == "3DES" || algo == "DES-EDE")
224  {
225  return std::unique_ptr<BlockCipher>(new TripleDES);
226  }
227 #endif
228 
229 #if defined(BOTAN_HAS_NOEKEON)
230  if(algo == "Noekeon")
231  {
232  return std::unique_ptr<BlockCipher>(new Noekeon);
233  }
234 #endif
235 
236 #if defined(BOTAN_HAS_CAST_128)
237  if(algo == "CAST-128" || algo == "CAST5")
238  {
239  return std::unique_ptr<BlockCipher>(new CAST_128);
240  }
241 #endif
242 
243 #if defined(BOTAN_HAS_CAST_256)
244  if(algo == "CAST-256")
245  {
246  return std::unique_ptr<BlockCipher>(new CAST_256);
247  }
248 #endif
249 
250 #if defined(BOTAN_HAS_IDEA)
251  if(algo == "IDEA")
252  {
253  return std::unique_ptr<BlockCipher>(new IDEA);
254  }
255 #endif
256 
257 #if defined(BOTAN_HAS_KASUMI)
258  if(algo == "KASUMI")
259  {
260  return std::unique_ptr<BlockCipher>(new KASUMI);
261  }
262 #endif
263 
264 #if defined(BOTAN_HAS_MISTY1)
265  if(algo == "MISTY1")
266  {
267  return std::unique_ptr<BlockCipher>(new MISTY1);
268  }
269 #endif
270 
271 #if defined(BOTAN_HAS_SEED)
272  if(algo == "SEED")
273  {
274  return std::unique_ptr<BlockCipher>(new SEED);
275  }
276 #endif
277 
278 #if defined(BOTAN_HAS_SM4)
279  if(algo == "SM4")
280  {
281  return std::unique_ptr<BlockCipher>(new SM4);
282  }
283 #endif
284 
285 #if defined(BOTAN_HAS_XTEA)
286  if(algo == "XTEA")
287  {
288  return std::unique_ptr<BlockCipher>(new XTEA);
289  }
290 #endif
291 
292  const SCAN_Name req(algo);
293 
294 #if defined(BOTAN_HAS_GOST_28147_89)
295  if(req.algo_name() == "GOST-28147-89")
296  {
297  return std::unique_ptr<BlockCipher>(new GOST_28147_89(req.arg(0, "R3411_94_TestParam")));
298  }
299 #endif
300 
301 #if defined(BOTAN_HAS_CASCADE)
302  if(req.algo_name() == "Cascade" && req.arg_count() == 2)
303  {
304  std::unique_ptr<BlockCipher> c1(BlockCipher::create(req.arg(0)));
305  std::unique_ptr<BlockCipher> c2(BlockCipher::create(req.arg(1)));
306 
307  if(c1 && c2)
308  return std::unique_ptr<BlockCipher>(new Cascade_Cipher(c1.release(), c2.release()));
309  }
310 #endif
311 
312 #if defined(BOTAN_HAS_LION)
313  if(req.algo_name() == "Lion" && req.arg_count_between(2, 3))
314  {
315  std::unique_ptr<HashFunction> hash(HashFunction::create(req.arg(0)));
316  std::unique_ptr<StreamCipher> stream(StreamCipher::create(req.arg(1)));
317 
318  if(hash && stream)
319  {
320  const size_t block_size = req.arg_as_integer(2, 1024);
321  return std::unique_ptr<BlockCipher>(new Lion(hash.release(), stream.release(), block_size));
322  }
323  }
324 #endif
325 
326  BOTAN_UNUSED(req);
328 
329  return nullptr;
330  }
static std::unique_ptr< HashFunction > create(const std::string &algo_spec, const std::string &provider="")
Definition: hash.cpp:106
#define BOTAN_UNUSED(...)
Definition: assert.h:130
static std::unique_ptr< BlockCipher > create(const std::string &algo_spec, const std::string &provider="")
static std::unique_ptr< StreamCipher > create(const std::string &algo_spec, const std::string &provider="")
std::unique_ptr< BlockCipher > make_openssl_block_cipher(const std::string &name)
virtual std::string provider() const
Definition: block_cipher.h:72
virtual size_t block_size() const =0
MechanismType hash

◆ create_or_throw()

std::unique_ptr< BlockCipher > Botan::BlockCipher::create_or_throw ( const std::string &  algo_spec,
const std::string &  provider = "" 
)
staticinherited

Create an instance based on a name, or throw if the algo/provider combination cannot be found. If provider is empty then best available is chosen.

Definition at line 334 of file block_cipher.cpp.

References Botan::BlockCipher::create(), and Botan::BlockCipher::provider().

Referenced by Botan::TLS::Connection_Cipher_State::Connection_Cipher_State(), Botan::Encrypted_PSK_Database::Encrypted_PSK_Database(), Botan::rfc3394_keyunwrap(), and Botan::rfc3394_keywrap().

336  {
337  if(auto bc = BlockCipher::create(algo, provider))
338  {
339  return bc;
340  }
341  throw Lookup_Error("Block cipher", algo, provider);
342  }
static std::unique_ptr< BlockCipher > create(const std::string &algo_spec, const std::string &provider="")
virtual std::string provider() const
Definition: block_cipher.h:72

◆ decrypt() [1/4]

void Botan::BlockCipher::decrypt ( const uint8_t  in[],
uint8_t  out[] 
) const
inlineinherited

Decrypt a block.

Parameters
inThe ciphertext block to be decypted as a byte array. Must be of length block_size().
outThe byte array designated to hold the decrypted block. Must be of length block_size().

Definition at line 91 of file block_cipher.h.

Referenced by Botan::DESX::decrypt_n(), Botan::XTS_Decryption::finish(), Botan::CTS_Decryption::finish(), and Botan::nist_key_unwrap_padded().

92  { decrypt_n(in, out, 1); }
virtual void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ decrypt() [2/4]

void Botan::BlockCipher::decrypt ( uint8_t  block[]) const
inlineinherited

Decrypt a block.

Parameters
blockthe ciphertext block to be decrypted Must be of length block_size(). Will hold the result when the function has finished.

Definition at line 108 of file block_cipher.h.

108 { decrypt_n(block, block, 1); }
virtual void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ decrypt() [3/4]

template<typename Alloc >
void Botan::BlockCipher::decrypt ( std::vector< uint8_t, Alloc > &  block) const
inlineinherited

Decrypt one or more blocks

Parameters
blockthe input/output buffer (multiple of block_size())

Definition at line 125 of file block_cipher.h.

126  {
127  return decrypt_n(block.data(), block.data(), block.size() / block_size());
128  }
virtual void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0
virtual size_t block_size() const =0

◆ decrypt() [4/4]

template<typename Alloc , typename Alloc2 >
void Botan::BlockCipher::decrypt ( const std::vector< uint8_t, Alloc > &  in,
std::vector< uint8_t, Alloc2 > &  out 
) const
inlineinherited

Decrypt one or more blocks

Parameters
inthe input buffer (multiple of block_size())
outthe output buffer (same size as in)

Definition at line 148 of file block_cipher.h.

150  {
151  return decrypt_n(in.data(), out.data(), in.size() / block_size());
152  }
virtual void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0
virtual size_t block_size() const =0

◆ decrypt_n()

void Botan::Threefish_512::decrypt_n ( const uint8_t  in[],
uint8_t  out[],
size_t  blocks 
) const
overridevirtual

Decrypt one or more blocks

Parameters
inthe input buffer (multiple of block_size())
outthe output buffer (same size as in)
blocksthe number of blocks to process

Implements Botan::BlockCipher.

Definition at line 161 of file threefish_512.cpp.

References Botan::Block_Cipher_Fixed_Params< 64, 64 >::BLOCK_SIZE, BOTAN_PARALLEL_SIMD_FOR, Botan::load_le(), Botan::store_le(), THREEFISH_DEC_8_ROUNDS, THREEFISH_INJECT_KEY, and Botan::SymmetricAlgorithm::verify_key_set().

162  {
163  verify_key_set(m_K.empty() == false);
164 
165 #if defined(BOTAN_HAS_THREEFISH_512_AVX2)
166  if(CPUID::has_avx2())
167  {
168  return avx2_decrypt_n(in, out, blocks);
169  }
170 #endif
171 
172 #define THREEFISH_ROUND(X0,X1,X2,X3,X4,X5,X6,X7,ROT1,ROT2,ROT3,ROT4) \
173  do { \
174  X4 ^= X0; \
175  X5 ^= X1; \
176  X6 ^= X2; \
177  X7 ^= X3; \
178  X4 = rotr<ROT1>(X4); \
179  X5 = rotr<ROT2>(X5); \
180  X6 = rotr<ROT3>(X6); \
181  X7 = rotr<ROT4>(X7); \
182  X0 -= X4; \
183  X1 -= X5; \
184  X2 -= X6; \
185  X3 -= X7; \
186  } while(0)
187 
188 #define THREEFISH_INJECT_KEY(r) \
189  do { \
190  X0 -= m_K[(r ) % 9]; \
191  X1 -= m_K[(r+1) % 9]; \
192  X2 -= m_K[(r+2) % 9]; \
193  X3 -= m_K[(r+3) % 9]; \
194  X4 -= m_K[(r+4) % 9]; \
195  X5 -= m_K[(r+5) % 9] + m_T[(r ) % 3]; \
196  X6 -= m_K[(r+6) % 9] + m_T[(r+1) % 3]; \
197  X7 -= m_K[(r+7) % 9] + (r); \
198  } while(0)
199 
200 #define THREEFISH_DEC_8_ROUNDS(R1,R2) \
201  do { \
202  THREEFISH_ROUND(X6,X0,X2,X4, X1,X7,X5,X3, 8,35,56,22); \
203  THREEFISH_ROUND(X4,X6,X0,X2, X1,X3,X5,X7, 25,29,39,43); \
204  THREEFISH_ROUND(X2,X4,X6,X0, X1,X7,X5,X3, 13,50,10,17); \
205  THREEFISH_ROUND(X0,X2,X4,X6, X1,X3,X5,X7, 39,30,34,24); \
206  THREEFISH_INJECT_KEY(R1); \
207  \
208  THREEFISH_ROUND(X6,X0,X2,X4, X1,X7,X5,X3, 44, 9,54,56); \
209  THREEFISH_ROUND(X4,X6,X0,X2, X1,X3,X5,X7, 17,49,36,39); \
210  THREEFISH_ROUND(X2,X4,X6,X0, X1,X7,X5,X3, 33,27,14,42); \
211  THREEFISH_ROUND(X0,X2,X4,X6, X1,X3,X5,X7, 46,36,19,37); \
212  THREEFISH_INJECT_KEY(R2); \
213  } while(0)
214 
215  BOTAN_PARALLEL_SIMD_FOR(size_t i = 0; i < blocks; ++i)
216  {
217  uint64_t X0, X1, X2, X3, X4, X5, X6, X7;
218  load_le(in + BLOCK_SIZE*i, X0, X1, X2, X3, X4, X5, X6, X7);
219 
221 
222  THREEFISH_DEC_8_ROUNDS(17,16);
223  THREEFISH_DEC_8_ROUNDS(15,14);
224  THREEFISH_DEC_8_ROUNDS(13,12);
225  THREEFISH_DEC_8_ROUNDS(11,10);
231 
232  store_le(out + BLOCK_SIZE*i, X0, X1, X2, X3, X4, X5, X6, X7);
233  }
234 
235 #undef THREEFISH_DEC_8_ROUNDS
236 #undef THREEFISH_INJECT_KEY
237 #undef THREEFISH_ROUND
238  }
void verify_key_set(bool cond) const
Definition: sym_algo.h:89
T load_le(const uint8_t in[], size_t off)
Definition: loadstor.h:121
#define THREEFISH_DEC_8_ROUNDS(R1, R2)
#define THREEFISH_INJECT_KEY(r)
#define BOTAN_PARALLEL_SIMD_FOR
Definition: compiler.h:198
void store_le(uint16_t in, uint8_t out[2])
Definition: loadstor.h:450

◆ decrypt_n_xex()

void Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::decrypt_n_xex ( uint8_t  data[],
const uint8_t  mask[],
size_t  blocks 
) const
inlineoverridevirtualinherited

Reimplemented from Botan::BlockCipher.

Definition at line 220 of file block_cipher.h.

223  {
224  xor_buf(data, mask, blocks * BS);
225  decrypt_n(data, data, blocks);
226  xor_buf(data, mask, blocks * BS);
227  }
virtual void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0
void xor_buf(uint8_t out[], const uint8_t in[], size_t length)
Definition: mem_ops.h:174

◆ encrypt() [1/4]

void Botan::BlockCipher::encrypt ( const uint8_t  in[],
uint8_t  out[] 
) const
inlineinherited

Encrypt a block.

Parameters
inThe plaintext block to be encrypted as a byte array. Must be of length block_size().
outThe byte array designated to hold the encrypted block. Must be of length block_size().

Definition at line 81 of file block_cipher.h.

Referenced by Botan::aont_package(), Botan::aont_unpackage(), Botan::DESX::encrypt_n(), Botan::XTS_Encryption::finish(), Botan::CTS_Encryption::finish(), Botan::nist_key_wrap_padded(), Botan::CBC_Encryption::process(), and Botan::CFB_Mode::shift_register().

82  { encrypt_n(in, out, 1); }
virtual void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ encrypt() [2/4]

void Botan::BlockCipher::encrypt ( uint8_t  block[]) const
inlineinherited

Encrypt a block.

Parameters
blockthe plaintext block to be encrypted Must be of length block_size(). Will hold the result when the function has finished.

Definition at line 100 of file block_cipher.h.

100 { encrypt_n(block, block, 1); }
virtual void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ encrypt() [3/4]

template<typename Alloc >
void Botan::BlockCipher::encrypt ( std::vector< uint8_t, Alloc > &  block) const
inlineinherited

Encrypt one or more blocks

Parameters
blockthe input/output buffer (multiple of block_size())

Definition at line 115 of file block_cipher.h.

116  {
117  return encrypt_n(block.data(), block.data(), block.size() / block_size());
118  }
virtual void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0
virtual size_t block_size() const =0

◆ encrypt() [4/4]

template<typename Alloc , typename Alloc2 >
void Botan::BlockCipher::encrypt ( const std::vector< uint8_t, Alloc > &  in,
std::vector< uint8_t, Alloc2 > &  out 
) const
inlineinherited

Encrypt one or more blocks

Parameters
inthe input buffer (multiple of block_size())
outthe output buffer (same size as in)

Definition at line 136 of file block_cipher.h.

138  {
139  return encrypt_n(in.data(), out.data(), in.size() / block_size());
140  }
virtual void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0
virtual size_t block_size() const =0

◆ encrypt_n()

void Botan::Threefish_512::encrypt_n ( const uint8_t  in[],
uint8_t  out[],
size_t  blocks 
) const
overridevirtual

Encrypt one or more blocks

Parameters
inthe input buffer (multiple of block_size())
outthe output buffer (same size as in)
blocksthe number of blocks to process

Implements Botan::BlockCipher.

Definition at line 125 of file threefish_512.cpp.

References Botan::Block_Cipher_Fixed_Params< 64, 64 >::BLOCK_SIZE, BOTAN_PARALLEL_SIMD_FOR, Botan::load_le(), Botan::store_le(), THREEFISH_ENC_8_ROUNDS, THREEFISH_INJECT_KEY, and Botan::SymmetricAlgorithm::verify_key_set().

126  {
127  verify_key_set(m_K.empty() == false);
128 
129 #if defined(BOTAN_HAS_THREEFISH_512_AVX2)
130  if(CPUID::has_avx2())
131  {
132  return avx2_encrypt_n(in, out, blocks);
133  }
134 #endif
135 
136  BOTAN_PARALLEL_SIMD_FOR(size_t i = 0; i < blocks; ++i)
137  {
138  uint64_t X0, X1, X2, X3, X4, X5, X6, X7;
139  load_le(in + BLOCK_SIZE*i, X0, X1, X2, X3, X4, X5, X6, X7);
140 
142 
148  THREEFISH_ENC_8_ROUNDS(11,12);
149  THREEFISH_ENC_8_ROUNDS(13,14);
150  THREEFISH_ENC_8_ROUNDS(15,16);
151  THREEFISH_ENC_8_ROUNDS(17,18);
152 
153  store_le(out + BLOCK_SIZE*i, X0, X1, X2, X3, X4, X5, X6, X7);
154  }
155  }
void verify_key_set(bool cond) const
Definition: sym_algo.h:89
#define THREEFISH_ENC_8_ROUNDS(R1, R2)
T load_le(const uint8_t in[], size_t off)
Definition: loadstor.h:121
#define THREEFISH_INJECT_KEY(r)
#define BOTAN_PARALLEL_SIMD_FOR
Definition: compiler.h:198
void store_le(uint16_t in, uint8_t out[2])
Definition: loadstor.h:450

◆ encrypt_n_xex()

void Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::encrypt_n_xex ( uint8_t  data[],
const uint8_t  mask[],
size_t  blocks 
) const
inlineoverridevirtualinherited

Reimplemented from Botan::BlockCipher.

Definition at line 211 of file block_cipher.h.

214  {
215  xor_buf(data, mask, blocks * BS);
216  encrypt_n(data, data, blocks);
217  xor_buf(data, mask, blocks * BS);
218  }
void xor_buf(uint8_t out[], const uint8_t in[], size_t length)
Definition: mem_ops.h:174
virtual void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ key_spec()

Key_Length_Specification Botan::Block_Cipher_Fixed_Params< BS, KMIN, 0 , 1 >::key_spec ( ) const
inlineoverridevirtualinherited
Returns
object describing limits on key size

Implements Botan::SymmetricAlgorithm.

Definition at line 229 of file block_cipher.h.

230  {
231  return Key_Length_Specification(KMIN, KMAX, KMOD);
232  }

◆ maximum_keylength()

size_t Botan::SymmetricAlgorithm::maximum_keylength ( ) const
inlineinherited
Returns
minimum allowed key length

Definition at line 38 of file sym_algo.h.

39  {
40  return key_spec().maximum_keylength();
41  }
size_t maximum_keylength() const
Definition: key_spec.h:69
virtual Key_Length_Specification key_spec() const =0

◆ minimum_keylength()

size_t Botan::SymmetricAlgorithm::minimum_keylength ( ) const
inlineinherited
Returns
maximum allowed key length

Definition at line 46 of file sym_algo.h.

47  {
48  return key_spec().minimum_keylength();
49  }
virtual Key_Length_Specification key_spec() const =0
size_t minimum_keylength() const
Definition: key_spec.h:61

◆ name()

std::string Botan::Threefish_512::name ( ) const
inlineoverridevirtual
Returns
the algorithm name

Implements Botan::SymmetricAlgorithm.

Definition at line 28 of file threefish_512.h.

28 { return "Threefish-512"; }

◆ parallel_bytes()

size_t Botan::BlockCipher::parallel_bytes ( ) const
inlineinherited
Returns
prefererred parallelism of this cipher in bytes

Definition at line 63 of file block_cipher.h.

Referenced by Botan::XTS_Mode::update_granularity(), and Botan::CBC_Mode::update_granularity().

64  {
65  return parallelism() * block_size() * BOTAN_BLOCK_CIPHER_PAR_MULT;
66  }
virtual size_t parallelism() const
Definition: block_cipher.h:58
virtual size_t block_size() const =0

◆ parallelism()

size_t Botan::Threefish_512::parallelism ( ) const
overridevirtual
Returns
native parallelism of this cipher in blocks

Reimplemented from Botan::BlockCipher.

Definition at line 101 of file threefish_512.cpp.

102  {
103 #if defined(BOTAN_HAS_THREEFISH_512_AVX2)
104  if(CPUID::has_avx2())
105  {
106  return 2;
107  }
108 #endif
109 
110  return 1;
111  }

◆ provider()

std::string Botan::Threefish_512::provider ( ) const
overridevirtual
Returns
provider information about this implementation. Default is "base", might also return "sse2", "avx2", "openssl", or some other arbitrary string.

Reimplemented from Botan::BlockCipher.

Definition at line 113 of file threefish_512.cpp.

114  {
115 #if defined(BOTAN_HAS_THREEFISH_512_AVX2)
116  if(CPUID::has_avx2())
117  {
118  return "avx2";
119  }
120 #endif
121 
122  return "base";
123  }

◆ providers()

std::vector< std::string > Botan::BlockCipher::providers ( const std::string &  algo_spec)
staticinherited
Returns
list of available providers for this algorithm, empty if not available
Parameters
algo_specalgorithm name

Definition at line 344 of file block_cipher.cpp.

345  {
346  return probe_providers_of<BlockCipher>(algo, { "base", "openssl" });
347  }

◆ set_key() [1/3]

void Botan::SymmetricAlgorithm::set_key ( const SymmetricKey key)
inlineinherited

Set the symmetric key of this object.

Parameters
keythe SymmetricKey to be set.

Definition at line 65 of file sym_algo.h.

References Botan::OctetString::begin(), and Botan::OctetString::length().

Referenced by Botan::aont_package(), Botan::aont_unpackage(), botan_block_cipher_set_key(), botan_mac_set_key(), Botan::FPE::fe1_decrypt(), Botan::FPE::fe1_encrypt(), and Botan::pbkdf2().

66  {
67  set_key(key.begin(), key.length());
68  }
void set_key(const SymmetricKey &key)
Definition: sym_algo.h:65

◆ set_key() [2/3]

template<typename Alloc >
void Botan::SymmetricAlgorithm::set_key ( const std::vector< uint8_t, Alloc > &  key)
inlineinherited

Definition at line 71 of file sym_algo.h.

72  {
73  set_key(key.data(), key.size());
74  }
void set_key(const SymmetricKey &key)
Definition: sym_algo.h:65

◆ set_key() [3/3]

void Botan::SymmetricAlgorithm::set_key ( const uint8_t  key[],
size_t  length 
)
inherited

Set the symmetric key of this object.

Parameters
keythe to be set as a byte array.
lengthin bytes of key param

Definition at line 17 of file sym_algo.cpp.

References Botan::SymmetricAlgorithm::name(), and Botan::SymmetricAlgorithm::valid_keylength().

18  {
19  if(!valid_keylength(length))
20  throw Invalid_Key_Length(name(), length);
21  key_schedule(key, length);
22  }
bool valid_keylength(size_t length) const
Definition: sym_algo.h:56
virtual std::string name() const =0

◆ set_tweak()

void Botan::Threefish_512::set_tweak ( const uint8_t  tweak[],
size_t  len 
)

Definition at line 240 of file threefish_512.cpp.

References BOTAN_ARG_CHECK, and Botan::load_le< uint64_t >().

241  {
242  BOTAN_ARG_CHECK(len == 16, "Threefish-512 requires 128 bit tweak");
243 
244  m_T.resize(3);
245  m_T[0] = load_le<uint64_t>(tweak, 0);
246  m_T[1] = load_le<uint64_t>(tweak, 1);
247  m_T[2] = m_T[0] ^ m_T[1];
248  }
uint64_t load_le< uint64_t >(const uint8_t in[], size_t off)
Definition: loadstor.h:235
#define BOTAN_ARG_CHECK(expr, msg)
Definition: assert.h:37

◆ valid_keylength()

bool Botan::SymmetricAlgorithm::valid_keylength ( size_t  length) const
inlineinherited

Check whether a given key length is valid for this algorithm.

Parameters
lengththe key length to be checked.
Returns
true if the key length is valid.

Definition at line 56 of file sym_algo.h.

Referenced by Botan::aont_package(), Botan::aont_unpackage(), and Botan::SymmetricAlgorithm::set_key().

57  {
58  return key_spec().valid_keylength(length);
59  }
bool valid_keylength(size_t length) const
Definition: key_spec.h:51
virtual Key_Length_Specification key_spec() const =0

◆ verify_key_set()

void Botan::SymmetricAlgorithm::verify_key_set ( bool  cond) const
inlineprotectedinherited

Definition at line 89 of file sym_algo.h.

Referenced by Botan::Salsa20::cipher(), Botan::CTR_BE::cipher(), Botan::RC4::cipher(), Botan::SHAKE_128_Cipher::cipher(), Botan::ChaCha::cipher(), Botan::Camellia_128::decrypt_n(), Botan::DESX::decrypt_n(), Botan::KASUMI::decrypt_n(), Botan::CAST_128::decrypt_n(), Botan::MISTY1::decrypt_n(), Botan::DES::decrypt_n(), Botan::SEED::decrypt_n(), Botan::SM4::decrypt_n(), Botan::AES_128::decrypt_n(), Botan::IDEA::decrypt_n(), Botan::CAST_256::decrypt_n(), decrypt_n(), Botan::Twofish::decrypt_n(), Botan::Blowfish::decrypt_n(), Botan::Noekeon::decrypt_n(), Botan::SHACAL2::decrypt_n(), Botan::XTEA::decrypt_n(), Botan::Serpent::decrypt_n(), Botan::Lion::decrypt_n(), Botan::ARIA_128::decrypt_n(), Botan::Camellia_192::decrypt_n(), Botan::TripleDES::decrypt_n(), Botan::ARIA_192::decrypt_n(), Botan::Camellia_256::decrypt_n(), Botan::GOST_28147_89::decrypt_n(), Botan::AES_192::decrypt_n(), Botan::ARIA_256::decrypt_n(), Botan::AES_256::decrypt_n(), Botan::IDEA::encrypt_n(), Botan::KASUMI::encrypt_n(), Botan::SEED::encrypt_n(), Botan::Camellia_128::encrypt_n(), Botan::AES_128::encrypt_n(), Botan::SM4::encrypt_n(), encrypt_n(), Botan::Twofish::encrypt_n(), Botan::CAST_128::encrypt_n(), Botan::SHACAL2::encrypt_n(), Botan::Noekeon::encrypt_n(), Botan::Blowfish::encrypt_n(), Botan::MISTY1::encrypt_n(), Botan::DESX::encrypt_n(), Botan::XTEA::encrypt_n(), Botan::DES::encrypt_n(), Botan::CAST_256::encrypt_n(), Botan::Serpent::encrypt_n(), Botan::Lion::encrypt_n(), Botan::ARIA_128::encrypt_n(), Botan::Camellia_192::encrypt_n(), Botan::TripleDES::encrypt_n(), Botan::ARIA_192::encrypt_n(), Botan::Camellia_256::encrypt_n(), Botan::GOST_28147_89::encrypt_n(), Botan::AES_192::encrypt_n(), Botan::ARIA_256::encrypt_n(), Botan::AES_256::encrypt_n(), Botan::Salsa20::seek(), Botan::CTR_BE::seek(), Botan::ChaCha::seek(), and Botan::GHASH::update_associated_data().

90  {
91  if(cond == false)
92  throw_key_not_set_error();
93  }

Friends And Related Function Documentation

◆ Skein_512

friend class Skein_512
friend

Definition at line 44 of file threefish_512.h.


The documentation for this class was generated from the following files: