Botan 2.19.1
Crypto and TLS for C&
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
Botan::Camellia_256 Class Referencefinal

#include <camellia.h>

Inheritance diagram for Botan::Camellia_256:
Botan::Block_Cipher_Fixed_Params< 16, 32 > Botan::BlockCipher Botan::SymmetricAlgorithm

Public Types

enum  
 

Public Member Functions

size_t block_size () const final override
 
void clear () override
 
BlockCipherclone () const override
 
template<typename Alloc , typename Alloc2 >
void decrypt (const std::vector< uint8_t, Alloc > &in, std::vector< uint8_t, Alloc2 > &out) const
 
void decrypt (const uint8_t in[], uint8_t out[]) const
 
template<typename Alloc >
void decrypt (std::vector< uint8_t, Alloc > &block) const
 
void decrypt (uint8_t block[]) 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 final override
 
template<typename Alloc , typename Alloc2 >
void encrypt (const std::vector< uint8_t, Alloc > &in, std::vector< uint8_t, Alloc2 > &out) const
 
void encrypt (const uint8_t in[], uint8_t out[]) const
 
template<typename Alloc >
void encrypt (std::vector< uint8_t, Alloc > &block) const
 
void encrypt (uint8_t block[]) 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 final override
 
Key_Length_Specification key_spec () const final override
 
size_t maximum_keylength () const
 
size_t minimum_keylength () const
 
std::string name () const override
 
size_t parallel_bytes () const
 
virtual size_t parallelism () const
 
virtual std::string provider () const
 
template<typename Alloc >
void set_key (const std::vector< uint8_t, Alloc > &key)
 
void set_key (const SymmetricKey &key)
 
void set_key (const uint8_t key[], size_t length)
 
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
 

Detailed Description

Camellia-256

Definition at line 56 of file camellia.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum
inherited

Definition at line 224 of file block_cipher.h.

Member Function Documentation

◆ block_size()

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

Implements Botan::BlockCipher.

Definition at line 225 of file block_cipher.h.

225{ return BS; }

◆ clear()

void Botan::Camellia_256::clear ( )
overridevirtual

Reset the state.

Implements Botan::SymmetricAlgorithm.

Definition at line 919 of file camellia.cpp.

920 {
921 zap(m_SK);
922 }
void zap(std::vector< T, Alloc > &vec)
Definition: secmem.h:127

References Botan::zap().

◆ clone()

BlockCipher * Botan::Camellia_256::clone ( ) const
inlineoverridevirtual
Returns
new object representing the same algorithm as *this

Implements Botan::BlockCipher.

Definition at line 64 of file camellia.h.

64{ return new Camellia_256; }

◆ 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 108 of file block_cipher.cpp.

110 {
111#if defined(BOTAN_HAS_COMMONCRYPTO)
112 if(provider.empty() || provider == "commoncrypto")
113 {
114 if(auto bc = make_commoncrypto_block_cipher(algo))
115 return bc;
116
117 if(!provider.empty())
118 return nullptr;
119 }
120#endif
121
122#if defined(BOTAN_HAS_OPENSSL)
123 if(provider.empty() || provider == "openssl")
124 {
125 if(auto bc = make_openssl_block_cipher(algo))
126 return bc;
127
128 if(!provider.empty())
129 return nullptr;
130 }
131#endif
132
133 // TODO: CryptoAPI
134 // TODO: /dev/crypto
135
136 // Only base providers from here on out
137 if(provider.empty() == false && provider != "base")
138 return nullptr;
139
140#if defined(BOTAN_HAS_AES)
141 if(algo == "AES-128")
142 {
143 return std::unique_ptr<BlockCipher>(new AES_128);
144 }
145
146 if(algo == "AES-192")
147 {
148 return std::unique_ptr<BlockCipher>(new AES_192);
149 }
150
151 if(algo == "AES-256")
152 {
153 return std::unique_ptr<BlockCipher>(new AES_256);
154 }
155#endif
156
157#if defined(BOTAN_HAS_ARIA)
158 if(algo == "ARIA-128")
159 {
160 return std::unique_ptr<BlockCipher>(new ARIA_128);
161 }
162
163 if(algo == "ARIA-192")
164 {
165 return std::unique_ptr<BlockCipher>(new ARIA_192);
166 }
167
168 if(algo == "ARIA-256")
169 {
170 return std::unique_ptr<BlockCipher>(new ARIA_256);
171 }
172#endif
173
174#if defined(BOTAN_HAS_SERPENT)
175 if(algo == "Serpent")
176 {
177 return std::unique_ptr<BlockCipher>(new Serpent);
178 }
179#endif
180
181#if defined(BOTAN_HAS_SHACAL2)
182 if(algo == "SHACAL2")
183 {
184 return std::unique_ptr<BlockCipher>(new SHACAL2);
185 }
186#endif
187
188#if defined(BOTAN_HAS_TWOFISH)
189 if(algo == "Twofish")
190 {
191 return std::unique_ptr<BlockCipher>(new Twofish);
192 }
193#endif
194
195#if defined(BOTAN_HAS_THREEFISH_512)
196 if(algo == "Threefish-512")
197 {
198 return std::unique_ptr<BlockCipher>(new Threefish_512);
199 }
200#endif
201
202#if defined(BOTAN_HAS_BLOWFISH)
203 if(algo == "Blowfish")
204 {
205 return std::unique_ptr<BlockCipher>(new Blowfish);
206 }
207#endif
208
209#if defined(BOTAN_HAS_CAMELLIA)
210 if(algo == "Camellia-128")
211 {
212 return std::unique_ptr<BlockCipher>(new Camellia_128);
213 }
214
215 if(algo == "Camellia-192")
216 {
217 return std::unique_ptr<BlockCipher>(new Camellia_192);
218 }
219
220 if(algo == "Camellia-256")
221 {
222 return std::unique_ptr<BlockCipher>(new Camellia_256);
223 }
224#endif
225
226#if defined(BOTAN_HAS_DES)
227 if(algo == "DES")
228 {
229 return std::unique_ptr<BlockCipher>(new DES);
230 }
231
232 if(algo == "DESX")
233 {
234 return std::unique_ptr<BlockCipher>(new DESX);
235 }
236
237 if(algo == "TripleDES" || algo == "3DES" || algo == "DES-EDE")
238 {
239 return std::unique_ptr<BlockCipher>(new TripleDES);
240 }
241#endif
242
243#if defined(BOTAN_HAS_NOEKEON)
244 if(algo == "Noekeon")
245 {
246 return std::unique_ptr<BlockCipher>(new Noekeon);
247 }
248#endif
249
250#if defined(BOTAN_HAS_CAST_128)
251 if(algo == "CAST-128" || algo == "CAST5")
252 {
253 return std::unique_ptr<BlockCipher>(new CAST_128);
254 }
255#endif
256
257#if defined(BOTAN_HAS_CAST_256)
258 if(algo == "CAST-256")
259 {
260 return std::unique_ptr<BlockCipher>(new CAST_256);
261 }
262#endif
263
264#if defined(BOTAN_HAS_IDEA)
265 if(algo == "IDEA")
266 {
267 return std::unique_ptr<BlockCipher>(new IDEA);
268 }
269#endif
270
271#if defined(BOTAN_HAS_KASUMI)
272 if(algo == "KASUMI")
273 {
274 return std::unique_ptr<BlockCipher>(new KASUMI);
275 }
276#endif
277
278#if defined(BOTAN_HAS_MISTY1)
279 if(algo == "MISTY1")
280 {
281 return std::unique_ptr<BlockCipher>(new MISTY1);
282 }
283#endif
284
285#if defined(BOTAN_HAS_SEED)
286 if(algo == "SEED")
287 {
288 return std::unique_ptr<BlockCipher>(new SEED);
289 }
290#endif
291
292#if defined(BOTAN_HAS_SM4)
293 if(algo == "SM4")
294 {
295 return std::unique_ptr<BlockCipher>(new SM4);
296 }
297#endif
298
299#if defined(BOTAN_HAS_XTEA)
300 if(algo == "XTEA")
301 {
302 return std::unique_ptr<BlockCipher>(new XTEA);
303 }
304#endif
305
306 const SCAN_Name req(algo);
307
308#if defined(BOTAN_HAS_GOST_28147_89)
309 if(req.algo_name() == "GOST-28147-89")
310 {
311 return std::unique_ptr<BlockCipher>(new GOST_28147_89(req.arg(0, "R3411_94_TestParam")));
312 }
313#endif
314
315#if defined(BOTAN_HAS_CASCADE)
316 if(req.algo_name() == "Cascade" && req.arg_count() == 2)
317 {
318 std::unique_ptr<BlockCipher> c1(BlockCipher::create(req.arg(0)));
319 std::unique_ptr<BlockCipher> c2(BlockCipher::create(req.arg(1)));
320
321 if(c1 && c2)
322 return std::unique_ptr<BlockCipher>(new Cascade_Cipher(c1.release(), c2.release()));
323 }
324#endif
325
326#if defined(BOTAN_HAS_LION)
327 if(req.algo_name() == "Lion" && req.arg_count_between(2, 3))
328 {
329 std::unique_ptr<HashFunction> hash(HashFunction::create(req.arg(0)));
330 std::unique_ptr<StreamCipher> stream(StreamCipher::create(req.arg(1)));
331
332 if(hash && stream)
333 {
334 const size_t block_size = req.arg_as_integer(2, 1024);
335 return std::unique_ptr<BlockCipher>(new Lion(hash.release(), stream.release(), block_size));
336 }
337 }
338#endif
339
340 BOTAN_UNUSED(req);
342
343 return nullptr;
344 }
#define BOTAN_UNUSED(...)
Definition: assert.h:142
static std::unique_ptr< BlockCipher > create(const std::string &algo_spec, const std::string &provider="")
virtual size_t block_size() const =0
virtual std::string provider() const
Definition: block_cipher.h:73
static std::unique_ptr< HashFunction > create(const std::string &algo_spec, const std::string &provider="")
Definition: hash.cpp:106
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)
std::unique_ptr< BlockCipher > make_commoncrypto_block_cipher(const std::string &name)
MechanismType hash

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::BlockCipher::create(), Botan::HashFunction::create(), Botan::StreamCipher::create(), hash, Botan::make_commoncrypto_block_cipher(), Botan::make_openssl_block_cipher(), and Botan::BlockCipher::provider().

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

◆ 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 348 of file block_cipher.cpp.

350 {
351 if(auto bc = BlockCipher::create(algo, provider))
352 {
353 return bc;
354 }
355 throw Lookup_Error("Block cipher", algo, provider);
356 }

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().

◆ decrypt() [1/4]

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 149 of file block_cipher.h.

151 {
152 return decrypt_n(in.data(), out.data(), in.size() / block_size());
153 }
virtual void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ decrypt() [2/4]

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 92 of file block_cipher.h.

93 { decrypt_n(in, out, 1); }

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

◆ 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 126 of file block_cipher.h.

127 {
128 return decrypt_n(block.data(), block.data(), block.size() / block_size());
129 }

◆ decrypt() [4/4]

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 109 of file block_cipher.h.

109{ decrypt_n(block, block, 1); }

◆ decrypt_n()

void Botan::Camellia_256::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 888 of file camellia.cpp.

889 {
890 verify_key_set(m_SK.empty() == false);
891 Camellia_F::decrypt(in, out, blocks, m_SK, 12);
892 }
void verify_key_set(bool cond) const
Definition: sym_algo.h:171
std::string decrypt(const uint8_t input[], size_t input_len, const std::string &passphrase)
Definition: cryptobox.cpp:162

References Botan::CryptoBox::decrypt(), and Botan::SymmetricAlgorithm::verify_key_set().

◆ decrypt_n_xex()

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

Reimplemented from Botan::BlockCipher.

Definition at line 237 of file block_cipher.h.

240 {
241 xor_buf(data, mask, blocks * BS);
242 this->decrypt_n(data, data, blocks);
243 xor_buf(data, mask, blocks * BS);
244 }
void xor_buf(uint8_t out[], const uint8_t in[], size_t length)
Definition: mem_ops.h:262

◆ encrypt() [1/4]

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 137 of file block_cipher.h.

139 {
140 return encrypt_n(in.data(), out.data(), in.size() / block_size());
141 }
virtual void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const =0

◆ encrypt() [2/4]

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 82 of file block_cipher.h.

83 { encrypt_n(in, out, 1); }

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

◆ 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 116 of file block_cipher.h.

117 {
118 return encrypt_n(block.data(), block.data(), block.size() / block_size());
119 }

◆ encrypt() [4/4]

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 101 of file block_cipher.h.

101{ encrypt_n(block, block, 1); }

◆ encrypt_n()

void Botan::Camellia_256::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 870 of file camellia.cpp.

871 {
872 verify_key_set(m_SK.empty() == false);
873 Camellia_F::encrypt(in, out, blocks, m_SK, 12);
874 }
std::string encrypt(const uint8_t input[], size_t input_len, const std::string &passphrase, RandomNumberGenerator &rng)
Definition: cryptobox.cpp:43

References Botan::CryptoBox::encrypt(), and Botan::SymmetricAlgorithm::verify_key_set().

◆ encrypt_n_xex()

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

Reimplemented from Botan::BlockCipher.

Definition at line 228 of file block_cipher.h.

231 {
232 xor_buf(data, mask, blocks * BS);
233 this->encrypt_n(data, data, blocks);
234 xor_buf(data, mask, blocks * BS);
235 }

◆ key_spec()

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

Implements Botan::SymmetricAlgorithm.

Definition at line 246 of file block_cipher.h.

247 {
248 return Key_Length_Specification(KMIN, KMAX, KMOD);
249 }

◆ maximum_keylength()

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

Definition at line 120 of file sym_algo.h.

121 {
122 return key_spec().maximum_keylength();
123 }
size_t maximum_keylength() const
Definition: sym_algo.h:70
virtual Key_Length_Specification key_spec() const =0

◆ minimum_keylength()

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

Definition at line 128 of file sym_algo.h.

129 {
130 return key_spec().minimum_keylength();
131 }
size_t minimum_keylength() const
Definition: sym_algo.h:62

Referenced by botan_block_cipher_get_keyspec(), and botan_mac_get_keyspec().

◆ name()

std::string Botan::Camellia_256::name ( ) const
inlineoverridevirtual
Returns
the algorithm name

Implements Botan::SymmetricAlgorithm.

Definition at line 63 of file camellia.h.

63{ return "Camellia-256"; }

◆ parallel_bytes()

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

Definition at line 64 of file block_cipher.h.

65 {
66 return parallelism() * block_size() * BOTAN_BLOCK_CIPHER_PAR_MULT;
67 }
virtual size_t parallelism() const
Definition: block_cipher.h:59

Referenced by Botan::CBC_Mode::update_granularity().

◆ parallelism()

virtual size_t Botan::BlockCipher::parallelism ( ) const
inlinevirtualinherited
Returns
native parallelism of this cipher in blocks

Reimplemented in Botan::AES_128, Botan::AES_192, Botan::AES_256, Botan::IDEA, Botan::Noekeon, Botan::Serpent, Botan::SHACAL2, Botan::SM4, and Botan::Threefish_512.

Definition at line 59 of file block_cipher.h.

59{ return 1; }

◆ provider()

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

Reimplemented in Botan::AES_128, Botan::AES_192, Botan::AES_256, Botan::IDEA, Botan::Noekeon, Botan::Serpent, Botan::SHACAL2, Botan::SM4, and Botan::Threefish_512.

Definition at line 73 of file block_cipher.h.

73{ return "base"; }

Referenced by Botan::BlockCipher::create(), and Botan::BlockCipher::create_or_throw().

◆ 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 358 of file block_cipher.cpp.

359 {
360 return probe_providers_of<BlockCipher>(algo, { "base", "openssl", "commoncrypto" });
361 }

◆ set_key() [1/3]

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

Definition at line 153 of file sym_algo.h.

154 {
155 set_key(key.data(), key.size());
156 }
void set_key(const SymmetricKey &key)
Definition: sym_algo.h:147

◆ set_key() [2/3]

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

◆ 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.

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:138
virtual std::string name() const =0

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

◆ 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 138 of file sym_algo.h.

139 {
140 return key_spec().valid_keylength(length);
141 }
bool valid_keylength(size_t length) const
Definition: sym_algo.h:52

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

◆ verify_key_set()

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

Definition at line 171 of file sym_algo.h.

172 {
173 if(cond == false)
174 throw_key_not_set_error();
175 }

Referenced by Botan::ChaCha::cipher(), Botan::CTR_BE::cipher(), Botan::RC4::cipher(), Botan::Salsa20::cipher(), Botan::SHAKE_128_Cipher::cipher(), Botan::AES_128::decrypt_n(), Botan::AES_192::decrypt_n(), Botan::AES_256::decrypt_n(), Botan::ARIA_128::decrypt_n(), Botan::ARIA_192::decrypt_n(), Botan::ARIA_256::decrypt_n(), Botan::Blowfish::decrypt_n(), Botan::Camellia_128::decrypt_n(), Botan::Camellia_192::decrypt_n(), decrypt_n(), Botan::CAST_128::decrypt_n(), Botan::CAST_256::decrypt_n(), Botan::DES::decrypt_n(), Botan::TripleDES::decrypt_n(), Botan::DESX::decrypt_n(), Botan::GOST_28147_89::decrypt_n(), Botan::IDEA::decrypt_n(), Botan::KASUMI::decrypt_n(), Botan::Lion::decrypt_n(), Botan::MISTY1::decrypt_n(), Botan::Noekeon::decrypt_n(), Botan::SEED::decrypt_n(), Botan::Serpent::decrypt_n(), Botan::SHACAL2::decrypt_n(), Botan::SM4::decrypt_n(), Botan::Threefish_512::decrypt_n(), Botan::Twofish::decrypt_n(), Botan::XTEA::decrypt_n(), Botan::AES_128::encrypt_n(), Botan::AES_192::encrypt_n(), Botan::AES_256::encrypt_n(), Botan::ARIA_128::encrypt_n(), Botan::ARIA_192::encrypt_n(), Botan::ARIA_256::encrypt_n(), Botan::Blowfish::encrypt_n(), Botan::Camellia_128::encrypt_n(), Botan::Camellia_192::encrypt_n(), encrypt_n(), Botan::CAST_128::encrypt_n(), Botan::CAST_256::encrypt_n(), Botan::DES::encrypt_n(), Botan::TripleDES::encrypt_n(), Botan::DESX::encrypt_n(), Botan::GOST_28147_89::encrypt_n(), Botan::IDEA::encrypt_n(), Botan::KASUMI::encrypt_n(), Botan::Lion::encrypt_n(), Botan::MISTY1::encrypt_n(), Botan::Noekeon::encrypt_n(), Botan::SEED::encrypt_n(), Botan::Serpent::encrypt_n(), Botan::SHACAL2::encrypt_n(), Botan::SM4::encrypt_n(), Botan::Threefish_512::encrypt_n(), Botan::Twofish::encrypt_n(), Botan::XTEA::encrypt_n(), Botan::OCB_Encryption::finish(), Botan::OCB_Decryption::finish(), Botan::GHASH::ghash_update(), Botan::CFB_Encryption::process(), Botan::CFB_Decryption::process(), Botan::ChaCha::seek(), Botan::CTR_BE::seek(), Botan::Salsa20::seek(), Botan::OCB_Mode::set_associated_data(), Botan::ChaCha::set_iv(), Botan::Salsa20::set_iv(), Botan::GHASH::update(), Botan::GHASH::update_associated_data(), and Botan::ChaCha::write_keystream().


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