Crypto++ 8.7
Free C++ class library of cryptographic schemes
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Two-Track-MAC message authentication code. More...
#include <ttmac.h>
Additional Inherited Members | |
Public Types inherited from IteratedHash< word32, LittleEndian, 64, MessageAuthenticationCode > | |
typedef LittleEndian | ByteOrderClass |
typedef word32 | HashWordType |
Public Types inherited from IteratedHashBase< word32, MessageAuthenticationCode > | |
typedef word32 | HashWordType |
Public Types inherited from SimpleKeyingInterface | |
enum | IV_Requirement { UNIQUE_IV = 0 , RANDOM_IV , UNPREDICTABLE_RANDOM_IV , INTERNALLY_GENERATED_IV , NOT_RESYNCHRONIZABLE } |
Secure IVs requirements as enumerated values. More... | |
Public Member Functions inherited from ClonableImpl< MessageAuthenticationCodeFinal< TTMAC_Base >, MessageAuthenticationCodeImpl< TTMAC_Base > > | |
Clonable * | Clone () const |
Create a copy of this object. More... | |
Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< TTMAC_Base, TTMAC_Base >, TTMAC_Base > | |
std::string | AlgorithmName () const |
The algorithm name. More... | |
Public Member Functions inherited from SimpleKeyingInterfaceImpl< TTMAC_Base, TTMAC_Base > | |
size_t | MinKeyLength () const |
The minimum key length used by the algorithm. More... | |
size_t | MaxKeyLength () const |
The maximum key length used by the algorithm. More... | |
size_t | DefaultKeyLength () const |
The default key length used by the algorithm. More... | |
size_t | GetValidKeyLength (size_t keylength) const |
Provides a valid key length for the algorithm. More... | |
SimpleKeyingInterface::IV_Requirement | IVRequirement () const |
The default IV requirements for the algorithm. More... | |
unsigned int | IVSize () const |
The initialization vector length for the algorithm. More... | |
Public Member Functions inherited from TTMAC_Base | |
unsigned int | DigestSize () const |
Provides the digest size of the hash. More... | |
void | UncheckedSetKey (const byte *userKey, unsigned int keylength, const NameValuePairs ¶ms) |
Sets the key for this object without performing parameter validation. More... | |
void | TruncatedFinal (byte *mac, size_t size) |
Computes the hash of the current message. More... | |
Public Member Functions inherited from IteratedHash< word32, LittleEndian, 64, MessageAuthenticationCode > | |
unsigned int | BlockSize () const |
Provides the block size of the hash. More... | |
ByteOrder | GetByteOrder () const |
Provides the byte order of the hash. More... | |
void | CorrectEndianess (HashWordType *out, const HashWordType *in, size_t byteCount) |
Adjusts the byte ordering of the hash. More... | |
Public Member Functions inherited from IteratedHashBase< word32, MessageAuthenticationCode > | |
IteratedHashBase () | |
Construct an IteratedHashBase. More... | |
unsigned int | OptimalBlockSize () const |
Provides the input block size most efficient for this cipher. More... | |
unsigned int | OptimalDataAlignment () const |
Provides input and output data alignment for optimal performance. More... | |
void | Update (const byte *input, size_t length) |
Updates a hash with additional input. More... | |
byte * | CreateUpdateSpace (size_t &size) |
Requests space which can be written into by the caller. More... | |
void | Restart () |
Restart the hash. More... | |
void | TruncatedFinal (byte *digest, size_t digestSize) |
Computes the hash of the current message. More... | |
virtual std::string | AlgorithmProvider () const |
Retrieve the provider of this algorithm. More... | |
Public Member Functions inherited from SimpleKeyingInterface | |
virtual size_t | MinKeyLength () const =0 |
Returns smallest valid key length. More... | |
virtual size_t | MaxKeyLength () const =0 |
Returns largest valid key length. More... | |
virtual size_t | DefaultKeyLength () const =0 |
Returns default key length. More... | |
virtual size_t | GetValidKeyLength (size_t keylength) const =0 |
Returns a valid key length for the algorithm. More... | |
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 ¶ms=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 |
Minimal requirement for secure IVs. More... | |
bool | IsResynchronizable () const |
Determines if the object can be resynchronized. More... | |
bool | CanUseRandomIVs () const |
Determines if the object can use random IVs. More... | |
bool | CanUsePredictableIVs () const |
Determines if the object can use random but possibly predictable IVs. More... | |
bool | CanUseStructuredIVs () const |
Determines if the object can use structured IVs. More... | |
virtual unsigned int | IVSize () const |
Returns length of the IV accepted by this object. More... | |
unsigned int | DefaultIVLength () const |
Provides the default size of an IV. More... | |
virtual unsigned int | MinIVLength () const |
Provides the minimum size of an IV. More... | |
virtual unsigned int | MaxIVLength () const |
Provides the maximum size of an IV. More... | |
virtual void | Resynchronize (const byte *iv, int ivLength=-1) |
Resynchronize with an IV. More... | |
virtual void | GetNextIV (RandomNumberGenerator &rng, byte *iv) |
Retrieves a secure IV for the next message. More... | |
Public Member Functions inherited from HashTransformation | |
HashTransformation & | Ref () |
Provides a reference to this object. More... | |
virtual void | Update (const byte *input, size_t length)=0 |
Updates a hash with additional input. More... | |
virtual byte * | CreateUpdateSpace (size_t &size) |
Request space which can be written into by the caller. More... | |
virtual void | Final (byte *digest) |
Computes the hash of the current message. More... | |
virtual void | Restart () |
Restart the hash. More... | |
virtual unsigned int | DigestSize () const =0 |
Provides the digest size of the hash. More... | |
unsigned int | TagSize () const |
Provides the tag size of the hash. More... | |
virtual unsigned int | BlockSize () const |
Provides the block size of the compression function. More... | |
virtual unsigned int | OptimalBlockSize () const |
Provides the input block size most efficient for this hash. More... | |
virtual unsigned int | OptimalDataAlignment () const |
Provides input and output data alignment for optimal performance. More... | |
virtual void | CalculateDigest (byte *digest, const byte *input, size_t length) |
Updates the hash with additional input and computes the hash of the current message. More... | |
virtual bool | Verify (const byte *digest) |
Verifies the hash of the current message. More... | |
virtual bool | VerifyDigest (const byte *digest, const byte *input, size_t length) |
Updates the hash with additional input and verifies the hash of the current message. More... | |
virtual void | TruncatedFinal (byte *digest, size_t digestSize)=0 |
Computes the hash of the current message. More... | |
virtual void | CalculateTruncatedDigest (byte *digest, size_t digestSize, const byte *input, size_t length) |
Updates the hash with additional input and computes the hash of the current message. More... | |
virtual bool | TruncatedVerify (const byte *digest, size_t digestLength) |
Verifies the hash of the current message. More... | |
virtual bool | VerifyTruncatedDigest (const byte *digest, size_t digestLength, const byte *input, size_t length) |
Updates the hash with additional input and verifies the hash of the current message. More... | |
Public Member Functions inherited from Algorithm | |
Algorithm (bool checkSelfTestStatus=true) | |
Interface for all crypto algorithms. More... | |
virtual std::string | AlgorithmName () const |
Provides the name of this algorithm. More... | |
virtual std::string | AlgorithmProvider () const |
Retrieve the provider of this algorithm. More... | |
virtual Clonable * | Clone () const |
Copies this object. More... | |
Static Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< TTMAC_Base, TTMAC_Base >, TTMAC_Base > | |
static std::string | StaticAlgorithmName () |
The algorithm name. More... | |
Static Public Member Functions inherited from TTMAC_Base | |
static std::string | StaticAlgorithmName () |
Static Public Member Functions inherited from FixedKeyLength< 20 > | |
static size_t | StaticGetValidKeyLength (size_t keylength) |
The default key length for the algorithm provided by a static function. More... | |
Static Public Attributes inherited from TTMAC_Base | |
static const int | DIGESTSIZE =20 |
Static Public Attributes inherited from FixedKeyLength< 20 > | |
static const int | KEYLENGTH |
The default key length used by the algorithm provided as a constant. More... | |
static const int | MIN_KEYLENGTH |
The minimum key length used by the algorithm provided as a constant. More... | |
static const int | MAX_KEYLENGTH |
The maximum key length used by the algorithm provided as a constant. More... | |
static const int | DEFAULT_KEYLENGTH |
The default key length used by the algorithm provided as a constant. More... | |
static const int | IV_REQUIREMENT |
The default IV requirements for the algorithm provided as a constant. More... | |
static const int | IV_LENGTH |
The default IV length used by the algorithm provided as a constant. More... | |
Static Public Attributes inherited from IteratedHash< word32, LittleEndian, 64, MessageAuthenticationCode > | |
static const int | BLOCKSIZE |
Two-Track-MAC message authentication code.
T | HashTransformation class |
160-bit MAC with 160-bit key