Crypto++ 8.8
Free C++ class library of cryptographic schemes
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DMAC message authentication code. More...
#include <dmac.h>
Public Member Functions | |
DMAC () | |
Construct a DMAC. | |
DMAC (const byte *key, size_t length=DMAC_Base< T >::DEFAULT_KEYLENGTH) | |
Construct a DMAC. | |
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Clonable * | Clone () const |
Create a copy of this object. | |
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std::string | AlgorithmName () const |
The algorithm name. | |
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size_t | MinKeyLength () const |
The minimum key length used by the algorithm. | |
size_t | MaxKeyLength () const |
The maximum key length used by the algorithm. | |
size_t | DefaultKeyLength () const |
The default key length used by the algorithm. | |
size_t | GetValidKeyLength (size_t keylength) const |
Provides a valid key length for the algorithm. | |
SimpleKeyingInterface::IV_Requirement | IVRequirement () const |
The default IV requirements for the algorithm. | |
unsigned int | IVSize () const |
The initialization vector length for the algorithm. | |
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void | UncheckedSetKey (const byte *key, unsigned int length, const NameValuePairs ¶ms) |
Sets the key for this object without performing parameter validation. | |
void | Update (const byte *input, size_t length) |
Updates a hash with additional input. | |
void | TruncatedFinal (byte *mac, size_t size) |
Computes the hash of the current message. | |
unsigned int | DigestSize () const |
Provides the digest size of the hash. | |
std::string | AlgorithmProvider () const |
Retrieve the provider of this algorithm. | |
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virtual bool | IsValidKeyLength (size_t keylength) const |
Returns whether keylength is a valid key length. | |
virtual void | SetKey (const byte *key, size_t length, const NameValuePairs ¶ms=g_nullNameValuePairs) |
Sets or reset the key of this object. | |
void | SetKeyWithRounds (const byte *key, size_t length, int rounds) |
Sets or reset the key of this object. | |
void | SetKeyWithIV (const byte *key, size_t length, const byte *iv, size_t ivLength) |
Sets or reset the key of this object. | |
void | SetKeyWithIV (const byte *key, size_t length, const byte *iv) |
Sets or reset the key of this object. | |
bool | IsResynchronizable () const |
Determines if the object can be resynchronized. | |
bool | CanUseRandomIVs () const |
Determines if the object can use random IVs. | |
bool | CanUsePredictableIVs () const |
Determines if the object can use random but possibly predictable IVs. | |
bool | CanUseStructuredIVs () const |
Determines if the object can use structured IVs. | |
unsigned int | DefaultIVLength () const |
Provides the default size of an IV. | |
virtual unsigned int | MinIVLength () const |
Provides the minimum size of an IV. | |
virtual unsigned int | MaxIVLength () const |
Provides the maximum size of an IV. | |
virtual void | Resynchronize (const byte *iv, int ivLength=-1) |
Resynchronize with an IV. | |
virtual void | GetNextIV (RandomNumberGenerator &rng, byte *iv) |
Retrieves a secure IV for the next message. | |
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HashTransformation & | Ref () |
Provides a reference to this object. | |
virtual byte * | CreateUpdateSpace (size_t &size) |
Request space which can be written into by the caller. | |
virtual void | Final (byte *digest) |
Computes the hash of the current message. | |
virtual void | Restart () |
Restart the hash. | |
unsigned int | TagSize () const |
Provides the tag size of the hash. | |
virtual unsigned int | BlockSize () const |
Provides the block size of the compression function. | |
virtual unsigned int | OptimalBlockSize () const |
Provides the input block size most efficient for this hash. | |
virtual unsigned int | OptimalDataAlignment () const |
Provides input and output data alignment for optimal performance. | |
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. | |
virtual bool | Verify (const byte *digest) |
Verifies the hash of the current message. | |
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. | |
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. | |
virtual bool | TruncatedVerify (const byte *digest, size_t digestLength) |
Verifies the hash of the current message. | |
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. | |
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Algorithm (bool checkSelfTestStatus=true) | |
Interface for all crypto algorithms. | |
Additional Inherited Members | |
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enum | IV_Requirement { UNIQUE_IV = 0 , RANDOM_IV , UNPREDICTABLE_RANDOM_IV , INTERNALLY_GENERATED_IV , NOT_RESYNCHRONIZABLE } |
Secure IVs requirements as enumerated values. More... | |
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static std::string | StaticAlgorithmName () |
The algorithm name. | |
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static std::string | StaticAlgorithmName () |
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static size_t | StaticGetValidKeyLength (size_t keylength) |
Provides a valid key length for the algorithm provided by a static function. | |
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static const int | DIGESTSIZE =T::BLOCKSIZE |
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static const int | MIN_KEYLENGTH =T::MIN_KEYLENGTH |
The minimum key length used by the algorithm provided as a constant. | |
static const int | MAX_KEYLENGTH =T::MAX_KEYLENGTH |
The maximum key length used by the algorithm provided as a constant. | |
static const int | DEFAULT_KEYLENGTH =T::DEFAULT_KEYLENGTH |
The default key length used by the algorithm provided as a constant. | |
static const int | IV_REQUIREMENT =IV_REQ |
The default IV requirements for the algorithm provided as a constant. | |
static const int | IV_LENGTH =IV_L |
The default initialization vector length for the algorithm provided as a constant. | |
DMAC message authentication code.
T | class derived from BlockCipherDocumentation |
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inline |