Crypto++  5.6.3
Free C++ class library of cryptographic schemes
Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
Weak::MARC4_Base Class Referenceabstract

Class specific methods used to operate the cipher. More...

+ Inheritance diagram for Weak::MARC4_Base:

Public Types

typedef SymmetricCipherFinal< MARC4_BaseEncryption
 
typedef SymmetricCipherFinal< MARC4_BaseDecryption
 
enum  IV_Requirement {
  UNIQUE_IV = 0, RANDOM_IV, UNPREDICTABLE_RANDOM_IV, INTERNALLY_GENERATED_IV,
  NOT_RESYNCHRONIZABLE
}
 Provides IV requirements as an enumerated value. More...
 

Public Member Functions

void GenerateBlock (byte *output, size_t size)
 Generate random array of bytes. More...
 
void DiscardBytes (size_t n)
 Generate and discard n bytes. More...
 
void ProcessData (byte *outString, const byte *inString, size_t length)
 Encrypt or decrypt an array of bytes. More...
 
bool IsRandomAccess () const
 Determines whether the cipher supports random access. More...
 
bool IsSelfInverting () const
 Determines whether the cipher is self-inverting. More...
 
bool IsForwardTransformation () const
 Determines if the cipher is being operated in its forward direction. More...
 
virtual void IncorporateEntropy (const byte *input, size_t length)
 Update RNG state with additional unpredictable values. More...
 
virtual bool CanIncorporateEntropy () const
 Determines if a generator can accept additional entropy. More...
 
virtual byte GenerateByte ()
 Generate new random byte and return it. More...
 
virtual unsigned int GenerateBit ()
 Generate new random bit and return it. More...
 
virtual word32 GenerateWord32 (word32 min=0, word32 max=0xffffffffUL)
 Generate a random 32 bit word in the range min to max, inclusive. More...
 
virtual void GenerateIntoBufferedTransformation (BufferedTransformation &target, const std::string &channel, lword length)
 Generate random bytes into a BufferedTransformation. More...
 
template<class IT >
void Shuffle (IT begin, IT end)
 Randomly shuffle the specified array. More...
 
virtual std::string AlgorithmName () const
 Provides the name of this algorithm. More...
 
virtual ClonableClone () const
 Copies this object. More...
 
virtual size_t MinKeyLength () const =0
 Returns smallest valid key length in bytes.
 
virtual size_t MaxKeyLength () const =0
 Returns largest valid key length in bytes.
 
virtual size_t DefaultKeyLength () const =0
 Returns default (recommended) key length in bytes.
 
virtual size_t GetValidKeyLength (size_t n) const =0
 
virtual bool IsValidKeyLength (size_t keylength) const
 Returns whether keylength is a valid key length. More...
 
virtual void SetKey (const byte *key, size_t length, const NameValuePairs &params=g_nullNameValuePairs)
 Sets or reset the key of this object. More...
 
void SetKeyWithRounds (const byte *key, size_t length, int rounds)
 Sets or reset the key of this object. More...
 
void SetKeyWithIV (const byte *key, size_t length, const byte *iv, size_t ivLength)
 Sets or reset the key of this object. More...
 
void SetKeyWithIV (const byte *key, size_t length, const byte *iv)
 Sets or reset the key of this object. More...
 
virtual IV_Requirement IVRequirement () const =0
 returns the minimal requirement for secure IVs
 
bool IsResynchronizable () const
 returns whether the object can be resynchronized (i.e. supports initialization vectors) More...
 
bool CanUseRandomIVs () const
 returns whether the object can use random IVs (in addition to ones returned by GetNextIV)
 
bool CanUsePredictableIVs () const
 returns whether the object can use random but possibly predictable IVs (in addition to ones returned by GetNextIV)
 
bool CanUseStructuredIVs () const
 returns whether the object can use structured IVs, for example a counter (in addition to ones returned by GetNextIV)
 
virtual unsigned int IVSize () const
 Returns length of the IV accepted by this object. More...
 
unsigned int DefaultIVLength () const
 returns default length of IVs accepted by this object
 
virtual unsigned int MinIVLength () const
 returns minimal length of IVs accepted by this object
 
virtual unsigned int MaxIVLength () const
 returns maximal length of IVs accepted by this object
 
virtual void Resynchronize (const byte *iv, int ivLength=-1)
 resynchronize with an IV. ivLength=-1 means use IVSize()
 
virtual void GetNextIV (RandomNumberGenerator &rng, byte *iv)
 Gets a secure IV for the next message. More...
 
StreamTransformationRef ()
 Provides a reference to this object. More...
 
virtual unsigned int MandatoryBlockSize () const
 Provides the mandatory block size of the cipher. More...
 
virtual unsigned int OptimalBlockSize () const
 Provides the input block size most efficient for this cipher. More...
 
virtual unsigned int GetOptimalBlockSizeUsed () const
 Provides the number of bytes used in the current block when processing at optimal block size. More...
 
virtual unsigned int OptimalDataAlignment () const
 Provides input and output data alignment for optimal performance. More...
 
virtual void ProcessLastBlock (byte *outString, const byte *inString, size_t length)
 Encrypt or decrypt the last block of data. More...
 
virtual unsigned int MinLastBlockSize () const
 returns the minimum size of the last block, 0 indicating the last block is not special
 
void ProcessString (byte *inoutString, size_t length)
 Encrypt or decrypt a string of bytes. More...
 
void ProcessString (byte *outString, const byte *inString, size_t length)
 Encrypt or decrypt a string of bytes. More...
 
byte ProcessByte (byte input)
 Encrypt or decrypt a byte. More...
 
virtual void Seek (lword pos)
 Seek to an absolute position. More...
 

Static Public Member Functions

static const char * StaticAlgorithmName ()
 
static size_t StaticGetValidKeyLength (size_t keylength)
 Provides a valid key length for the cipher provided by a static function. More...
 

Static Public Attributes

static const int MIN_KEYLENGTH
 The minimum key length used by the cipher provided as a constant. More...
 
static const int MAX_KEYLENGTH
 The maximum key length used by the cipher provided as a constant. More...
 
static const int DEFAULT_KEYLENGTH
 The default key length used by the cipher provided as a constant. More...
 
static const int KEYLENGTH_MULTIPLE
 The key length multiple used by the cipher provided as a constant. More...
 
static const int IV_REQUIREMENT
 The default IV requirements for the cipher provided as a constant. More...
 
static const int IV_LENGTH
 The default initialization vector length for the cipher provided as a constant. More...
 

Detailed Description

Class specific methods used to operate the cipher.

Implementations and overrides in Base apply to both ENCRYPTION and DECRYPTION directions

MARC4 discards the first 256 bytes of keystream, which may be weaker than the rest

Definition at line 55 of file arc4.h.

Member Enumeration Documentation

Provides IV requirements as an enumerated value.

Enumerator
UNIQUE_IV 

The IV must be unique.

RANDOM_IV 

The IV must be random.

UNPREDICTABLE_RANDOM_IV 

The IV must be unpredictable.

INTERNALLY_GENERATED_IV 

The IV is set by the object.

NOT_RESYNCHRONIZABLE 

The object does not use an IV.

Definition at line 555 of file cryptlib.h.

Member Function Documentation

void ARC4_Base::GenerateBlock ( byte *  output,
size_t  size 
)
virtualinherited

Generate random array of bytes.

Parameters
outputthe byte buffer
sizethe length of the buffer, in bytes

All generated values are uniformly distributed over the range specified within the the contraints of a particular generator.

Note
A derived generator must override either GenerateBlock() or GenerateIntoBufferedTransformation(). They can override both, or have one call the other.

Reimplemented from RandomNumberGenerator.

Definition at line 67 of file arc4.cpp.

void ARC4_Base::DiscardBytes ( size_t  n)
virtualinherited

Generate and discard n bytes.

Parameters
nthe number of bytes to generate and discard

Reimplemented from RandomNumberGenerator.

Definition at line 102 of file arc4.cpp.

void ARC4_Base::ProcessData ( byte *  outString,
const byte *  inString,
size_t  length 
)
virtualinherited

Encrypt or decrypt an array of bytes.

Parameters
outStringthe output byte buffer
inStringthe input byte buffer
lengththe size of the input and output byte buffers, in bytes

Either inString == outString, or they must not overlap.

Implements StreamTransformation.

Definition at line 73 of file arc4.cpp.

bool Weak::ARC4_Base::IsRandomAccess ( ) const
inlinevirtualinherited

Determines whether the cipher supports random access.

Returns
true if the cipher supports random access, false otherwise

Implements StreamTransformation.

Definition at line 33 of file arc4.h.

bool Weak::ARC4_Base::IsSelfInverting ( ) const
inlinevirtualinherited

Determines whether the cipher is self-inverting.

Returns
true if the cipher is self-inverting, false otherwise

IsSelfInverting determines whether this transformation is self-inverting (e.g. xor with a keystream).

Implements StreamTransformation.

Definition at line 34 of file arc4.h.

bool Weak::ARC4_Base::IsForwardTransformation ( ) const
inlinevirtualinherited

Determines if the cipher is being operated in its forward direction.

Returns
true if DIR is ENCRYPTION, false otherwise
See also
IsForwardTransformation(), IsPermutation(), GetCipherDirection()

Implements StreamTransformation.

Definition at line 35 of file arc4.h.

static size_t VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::StaticGetValidKeyLength ( size_t  keylength)
inlinestaticinherited

Provides a valid key length for the cipher provided by a static function.

Parameters
keylengththe size of the key, in bytes

If keylength is less than MIN_KEYLENGTH, then the function returns MIN_KEYLENGTH. If keylength is greater than MAX_KEYLENGTH, then the function returns MAX_KEYLENGTH. If keylength is a multiple of KEYLENGTH_MULTIPLE, then keylength is returned. Otherwise, the function returns keylength rounded down to the next smaller multiple of KEYLENGTH_MULTIPLE.

keylength is provided in bytes, not bits.

Definition at line 190 of file seckey.h.

virtual void RandomNumberGenerator::IncorporateEntropy ( const byte *  input,
size_t  length 
)
inlinevirtualinherited

Update RNG state with additional unpredictable values.

Parameters
inputthe entropy to add to the generator
lengththe size of the input buffer
Exceptions
NotImplemented

A generator may or may not accept additional entropy. Call CanIncorporateEntropy() to test for the ability to use additional entropy.

If a derived class does not override IncorporateEntropy(), then the base class throws NotImplemented.

Reimplemented in ClassNullRNG, AutoSeededX917RNG< BLOCK_CIPHER >, RDSEED, RDRAND, and RandomPool.

Definition at line 1096 of file cryptlib.h.

Referenced by DL_SignerBase< SCHEME_OPTIONS::Element >::SignAndRestart().

virtual bool RandomNumberGenerator::CanIncorporateEntropy ( ) const
inlinevirtualinherited

Determines if a generator can accept additional entropy.

Returns
true if IncorporateEntropy() is implemented

Reimplemented in ClassNullRNG, AutoSeededX917RNG< BLOCK_CIPHER >, and RandomPool.

Definition at line 1104 of file cryptlib.h.

Referenced by DL_SignerBase< SCHEME_OPTIONS::Element >::SignAndRestart().

byte RandomNumberGenerator::GenerateByte ( )
virtualinherited

Generate new random byte and return it.

Returns
a random 8-bit byte

Default implementation calls GenerateBlock() with one byte.

All generated values are uniformly distributed over the range specified within the the contraints of a particular generator.

Reimplemented in ClassNullRNG, and PublicBlumBlumShub.

Definition at line 294 of file cryptlib.cpp.

unsigned int RandomNumberGenerator::GenerateBit ( )
virtualinherited

Generate new random bit and return it.

Returns
a random bit

The default implementation calls GenerateByte() and return its lowest bit.

All generated values are uniformly distributed over the range specified within the the contraints of a particular generator.

Reimplemented in ClassNullRNG, and PublicBlumBlumShub.

Definition at line 289 of file cryptlib.cpp.

Referenced by TestDataNameValuePairs::GetVoidValue().

word32 RandomNumberGenerator::GenerateWord32 ( word32  min = 0,
word32  max = 0xffffffffUL 
)
virtualinherited

Generate a random 32 bit word in the range min to max, inclusive.

Parameters
minthe lower bound of the range
maxthe upper bound of the range
Returns
a random 32-bit word

The default implementation calls Crop() on the difference between max and min, and then returns the result added to min.

All generated values are uniformly distributed over the range specified within the the contraints of a particular generator.

Reimplemented in ClassNullRNG, and MersenneTwister< K, M, N, F, S >.

Definition at line 301 of file cryptlib.cpp.

References BitPrecision(), and Crop().

Referenced by MaurerProvablePrime(), PKCS_EncryptionPaddingScheme::MaxUnpaddedLength(), MihailescuProvablePrime(), and FilterTester::Put2().

void RandomNumberGenerator::GenerateIntoBufferedTransformation ( BufferedTransformation target,
const std::string &  channel,
lword  length 
)
virtualinherited

Generate random bytes into a BufferedTransformation.

Parameters
targetthe BufferedTransformation object which receives the bytes
channelthe channel on which the bytes should be pumped
lengththe number of bytes to generate

The default implementation calls GenerateBlock() and pumps the result into the DEFAULT_CHANNEL of the target.

All generated values are uniformly distributed over the range specified within the the contraints of a particular generator.

Note
A derived generator must override either GenerateBlock() or GenerateIntoBufferedTransformation(). They can override both, or have one call the other.

Reimplemented in ClassNullRNG, AutoSeededX917RNG< BLOCK_CIPHER >, X917RNG, and RandomPool.

Definition at line 347 of file cryptlib.cpp.

References BufferedTransformation::ChannelPut(), SecBlock< T, A >::size(), and UnsignedMin().

template<class IT >
void RandomNumberGenerator::Shuffle ( IT  begin,
IT  end 
)
inlineinherited

Randomly shuffle the specified array.

Parameters
beginan iterator to the first element in the array
endan iterator beyond the last element in the array

The resulting permutation is uniformly distributed.

Definition at line 1159 of file cryptlib.h.

References GetByte(), and NullRNG().

virtual std::string Algorithm::AlgorithmName ( ) const
inlinevirtualinherited

Provides the name of this algorithm.

Returns
the standard algorithm name

The standard algorithm name can be a name like AES or AES/GCM. Some algorithms do not have standard names yet. For example, there is no standard algorithm name for Shoup's ECIES.

Note
AlgorithmName is not universally implemented yet

Reimplemented in AuthenticatedSymmetricCipher, SignatureVerificationFilter, SignerFilter, AuthenticatedDecryptionFilter, HashVerificationFilter, HashFilter, StreamTransformationFilter, ClassNullRNG, BitBucket, RDSEED, DH_Domain< GROUP_PARAMETERS, COFACTOR_OPTION >, HMAC< T >, RDRAND, CRC32, GCM_Base, Adler32, EAX_Base, CCM_Base, SHA3, and VMAC_Base.

Definition at line 488 of file cryptlib.h.

Referenced by VariableRounds< 6, 2 >::StaticGetDefaultRounds().

virtual Clonable* Clonable::Clone ( ) const
inlinevirtualinherited

Copies this object.

Returns
a copy of this object
Exceptions
NotImplemented
Note
this is not implemented by most classes
See also
NotCopyable

Definition at line 464 of file cryptlib.h.

virtual size_t SimpleKeyingInterface::GetValidKeyLength ( size_t  n) const
pure virtualinherited
virtual bool SimpleKeyingInterface::IsValidKeyLength ( size_t  keylength) const
inlinevirtualinherited

Returns whether keylength is a valid key length.

Internally the function calls GetValidKeyLength()

Reimplemented in CipherModeBase, GCM_Base, EAX_Base, and CCM_Base.

Definition at line 515 of file cryptlib.h.

References g_nullNameValuePairs.

void SimpleKeyingInterface::SetKey ( const byte *  key,
size_t  length,
const NameValuePairs params = g_nullNameValuePairs 
)
virtualinherited

Sets or reset the key of this object.

Parameters
keythe key to use when keying the object
lengththe size of the key, in bytes
paramsadditional initialization parameters that cannot be passed directly through the constructor

Reimplemented in ECB_OneWay, and AuthenticatedSymmetricCipherBase.

Definition at line 100 of file cryptlib.cpp.

Referenced by HKDF< T >::DeriveKey(), RandomPool::GenerateIntoBufferedTransformation(), TestDataNameValuePairs::GetVoidValue(), CMAC_Base::UncheckedSetKey(), CBC_MAC_Base::UncheckedSetKey(), VMAC_Base::UncheckedSetKey(), and BlockOrientedCipherModeBase::UncheckedSetKey().

void SimpleKeyingInterface::SetKeyWithRounds ( const byte *  key,
size_t  length,
int  rounds 
)
inherited

Sets or reset the key of this object.

Parameters
keythe key to use when keying the object
lengththe size of the key, in bytes
roundsthe number of rounds to apply the transformation function, if applicable

SetKeyWithRounds calls SetKey with an NameValuePairs object that just specifies rounds. rounds is an integer parameter, and -1 means use the default number of rounds.

Definition at line 106 of file cryptlib.cpp.

References MakeParameters(), and Name::Rounds().

void SimpleKeyingInterface::SetKeyWithIV ( const byte *  key,
size_t  length,
const byte *  iv,
size_t  ivLength 
)
inherited

Sets or reset the key of this object.

Parameters
keythe key to use when keying the object
lengththe size of the key, in bytes
ivthe intiialization vector to use when keying the object
ivLengththe size of the iv, in bytes

SetKeyWithIV calls SetKey with an NameValuePairs object that just specifies iv. iv is a byte buffer with size ivLength.

Definition at line 111 of file cryptlib.cpp.

References NameValuePairs::GetValue(), IntToString(), Name::IV(), and MakeParameters().

void SimpleKeyingInterface::SetKeyWithIV ( const byte *  key,
size_t  length,
const byte *  iv 
)
inlineinherited

Sets or reset the key of this object.

Parameters
keythe key to use when keying the object
lengththe size of the key, in bytes
ivthe intiialization vector to use when keying the object

SetKeyWithIV calls SetKey with an NameValuePairs object that just specifies iv. iv is a byte buffer, and it must have a size IVSize.

Definition at line 551 of file cryptlib.h.

bool SimpleKeyingInterface::IsResynchronizable ( ) const
inlineinherited

returns whether the object can be resynchronized (i.e. supports initialization vectors)

If this function returns true, and no IV is passed to SetKey() and CanUseStructuredIVs()==true, an IV of all 0's will be assumed.

Definition at line 573 of file cryptlib.h.

Referenced by CipherModeBase::IVSize(), and BlockOrientedCipherModeBase::UncheckedSetKey().

virtual unsigned int SimpleKeyingInterface::IVSize ( ) const
inlinevirtualinherited
void SimpleKeyingInterface::GetNextIV ( RandomNumberGenerator rng,
byte *  iv 
)
virtualinherited

Gets a secure IV for the next message.

Parameters
rnga RandomNumberGenerator to produce keying material
iva block of bytes to receive the IV

This method should be called after you finish encrypting one message and are ready to start the next one. After calling it, you must call SetKey() or Resynchronize() before using this object again.

key must be at least IVSize() in length.

Note
This method is not implemented on decryption objects.

Reimplemented in VMAC_Base.

Definition at line 176 of file cryptlib.cpp.

References RandomNumberGenerator::GenerateBlock().

Referenced by VMAC_Base::GetNextIV(), and FilterTester::Put2().

StreamTransformation& StreamTransformation::Ref ( )
inlineinherited

Provides a reference to this object.

Returns
A reference to this object

Useful for passing a temporary object to a function that takes a non-const reference

Definition at line 758 of file cryptlib.h.

virtual unsigned int StreamTransformation::MandatoryBlockSize ( ) const
inlinevirtualinherited

Provides the mandatory block size of the cipher.

Returns
The block size of the cipher if input must be processed in blocks, 1 otherwise

Reimplemented in BlockOrientedCipherModeBase.

Definition at line 762 of file cryptlib.h.

Referenced by ArrayXorSink::Put2().

virtual unsigned int StreamTransformation::OptimalBlockSize ( ) const
inlinevirtualinherited

Provides the input block size most efficient for this cipher.

Returns
The input block size that is most efficient for the cipher

The base class implemnetation returns MandatoryBlockSize().

Note
Optimal input length is n * OptimalBlockSize() - GetOptimalBlockSizeUsed() for any n > 0.

Reimplemented in ECB_OneWay.

Definition at line 769 of file cryptlib.h.

virtual unsigned int StreamTransformation::GetOptimalBlockSizeUsed ( ) const
inlinevirtualinherited

Provides the number of bytes used in the current block when processing at optimal block size.

Returns
the number of bytes used in the current block when processing at the optimal block size

Definition at line 773 of file cryptlib.h.

unsigned int StreamTransformation::OptimalDataAlignment ( ) const
virtualinherited

Provides input and output data alignment for optimal performance.

Returns
the input data alignment that provides optimal performance

Reimplemented in CipherModeBase, GCM_Base, EAX_Base, and CCM_Base.

Definition at line 237 of file cryptlib.cpp.

Referenced by GCM_Base::IsValidKeyLength().

void StreamTransformation::ProcessLastBlock ( byte *  outString,
const byte *  inString,
size_t  length 
)
virtualinherited

Encrypt or decrypt the last block of data.

Parameters
outStringthe output byte buffer
inStringthe input byte buffer
lengththe size of the input and output byte buffers, in bytes ProcessLastBlock is used when the last block of data is special. Currently the only use of this function is CBC-CTS mode.

Reimplemented in CBC_CTS_Decryption, and CBC_CTS_Encryption.

Definition at line 247 of file cryptlib.cpp.

void StreamTransformation::ProcessString ( byte *  inoutString,
size_t  length 
)
inlineinherited

Encrypt or decrypt a string of bytes.

Parameters
inoutStringthe string to process
lengththe size of the inoutString, in bytes

Internally, the base class implementation calls ProcessData().

Definition at line 801 of file cryptlib.h.

Referenced by TestDataNameValuePairs::GetVoidValue().

void StreamTransformation::ProcessString ( byte *  outString,
const byte *  inString,
size_t  length 
)
inlineinherited

Encrypt or decrypt a string of bytes.

Parameters
outStringthe output string to process
inStringthe input string to process
lengththe size of the input and output strings, in bytes

Internally, the base class implementation calls ProcessData().

Definition at line 809 of file cryptlib.h.

byte StreamTransformation::ProcessByte ( byte  input)
inlineinherited

Encrypt or decrypt a byte.

Parameters
inputthe input byte to process

Internally, the base class implementation calls ProcessData() with a size of 1.

Definition at line 815 of file cryptlib.h.

virtual void StreamTransformation::Seek ( lword  pos)
inlinevirtualinherited

Seek to an absolute position.

Parameters
posposition to seek
Exceptions
NotImplemented

The base class implementation throws NotImplemented. The function asserts IsRandomAccess() in debug builds.

Reimplemented in BlumBlumShub.

Definition at line 827 of file cryptlib.h.

Referenced by TestDataNameValuePairs::GetVoidValue().

Member Data Documentation

const int VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::MIN_KEYLENGTH
staticinherited

The minimum key length used by the cipher provided as a constant.

MIN_KEYLENGTH is provided in bytes, not bits

Definition at line 165 of file seckey.h.

const int VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::MAX_KEYLENGTH
staticinherited

The maximum key length used by the cipher provided as a constant.

MAX_KEYLENGTH is provided in bytes, not bits

Definition at line 168 of file seckey.h.

const int VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::DEFAULT_KEYLENGTH
staticinherited

The default key length used by the cipher provided as a constant.

DEFAULT_KEYLENGTH is provided in bytes, not bits

Definition at line 171 of file seckey.h.

const int VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::KEYLENGTH_MULTIPLE
staticinherited

The key length multiple used by the cipher provided as a constant.

MAX_KEYLENGTH is provided in bytes, not bits

Definition at line 174 of file seckey.h.

const int VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::IV_REQUIREMENT
staticinherited

The default IV requirements for the cipher provided as a constant.

The default value is NOT_RESYNCHRONIZABLE. See IV_Requirement in cryptlib.h for allowed values.

Definition at line 178 of file seckey.h.

const int VariableKeyLength< D, N, M, 1 , SimpleKeyingInterface::NOT_RESYNCHRONIZABLE , 0 >::IV_LENGTH
staticinherited

The default initialization vector length for the cipher provided as a constant.

IV_LENGTH is provided in bytes, not bits. The default implementation uses 0.

Definition at line 181 of file seckey.h.


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