Fabcoin Core
0.16.2
P2P Digital Currency
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CMAC message authentication code. More...
#include <cmac.h>
Public Member Functions | |
CMAC () | |
Construct a CMAC. More... | |
CMAC (const byte *key, size_t length=SameKeyLengthAs< T >::DEFAULT_KEYLENGTH) | |
Construct a CMAC. More... | |
Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< CMAC_Base, CMAC< T > >, CMAC< T > > | |
std::string | AlgorithmName () const |
Public Member Functions inherited from SimpleKeyingInterfaceImpl< CMAC_Base, CMAC< T > > | |
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 default initialization vector length for the algorithm. More... | |
Public Member Functions inherited from CMAC_Base | |
CMAC_Base () | |
void | UncheckedSetKey (const byte *key, unsigned int length, const NameValuePairs ¶ms) |
Sets the key for this object without performing parameter validation. More... | |
void | Update (const byte *input, size_t length) |
Updates a hash with additional input. More... | |
void | TruncatedFinal (byte *mac, size_t size) |
Computes the hash of the current message. More... | |
unsigned int | DigestSize () const |
Provides the digest size of the hash. More... | |
unsigned int | OptimalBlockSize () const |
Provides the input block size most efficient for this hash. More... | |
unsigned int | OptimalDataAlignment () const |
Provides input and output data alignment for optimal performance. More... | |
Public Member Functions inherited from SimpleKeyingInterface | |
virtual | ~SimpleKeyingInterface () |
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... | |
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... | |
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 | |
virtual | ~HashTransformation () |
HashTransformation & | Ref () |
Provides a reference to this object. 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... | |
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 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 | 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 | |
virtual | ~Algorithm () |
Algorithm (bool checkSelfTestStatus=true) | |
Interface for all crypto algorithms. More... | |
Public Member Functions inherited from Clonable | |
virtual | ~Clonable () |
virtual Clonable * | Clone () const |
Copies this object. More... | |
Public Member Functions inherited from SameKeyLengthAs< T > | |
CRYPTOPP_STATIC_CONSTEXPR size_t CRYPTOPP_API | StaticGetValidKeyLength (size_t keylength) |
The minimum key length used by the algorithm provided as a constant. More... | |
Static Public Member Functions | |
static std::string | StaticAlgorithmName () |
Static Public Member Functions inherited from AlgorithmImpl< SimpleKeyingInterfaceImpl< CMAC_Base, CMAC< T > >, CMAC< T > > | |
static std::string CRYPTOPP_API | StaticAlgorithmName () |
Private Member Functions | |
BlockCipher & | AccessCipher () |
Private Attributes | |
T::Encryption | m_cipher |
Additional Inherited Members | |
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... | |
Protected Member Functions inherited from CMAC_Base | |
const BlockCipher & | GetCipher () const |
void | ProcessBuf () |
Protected Member Functions inherited from SimpleKeyingInterface | |
void | ThrowIfInvalidKeyLength (size_t length) |
Validates the key length. More... | |
void | ThrowIfResynchronizable () |
Validates the object. More... | |
void | ThrowIfInvalidIV (const byte *iv) |
Validates the IV. More... | |
size_t | ThrowIfInvalidIVLength (int length) |
Validates the IV length. More... | |
const byte * | GetIVAndThrowIfInvalid (const NameValuePairs ¶ms, size_t &size) |
Retrieves and validates the IV. More... | |
void | AssertValidKeyLength (size_t length) const |
Validates the key length. More... | |
Protected Member Functions inherited from HashTransformation | |
void | ThrowIfInvalidTruncatedSize (size_t size) const |
Validates a truncated digest size. More... | |
Protected Attributes inherited from CMAC_Base | |
SecByteBlock | m_reg |
unsigned int | m_counter |
CMAC message authentication code.
T | block cipher |
Template parameter T should be a class derived from BlockCipherDocumentation, for example AES, with a block size of 8, 16, or 32.
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inlineprivatevirtual |