Crypto++  5.6.4
Free C++ class library of cryptographic schemes
Static Public Member Functions | List of all members
SHA256 Class Reference

implements the SHA-256 standard More...

+ Inheritance diagram for SHA256:

Static Public Member Functions

static void InitState (HashWordType *state)
 
static void Transform (word32 *digest, const word32 *data)
 
static const char * StaticAlgorithmName ()
 
- Static Public Member Functions inherited from AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA256 >
static std::string StaticAlgorithmName ()
 

Additional Inherited Members

- Public Types inherited from IteratedHash< word32, BigEndian, T_BlockSize >
typedef BigEndian ByteOrderClass
 
typedef word32 HashWordType
 
- Public Types inherited from IteratedHashBase< word32, HashTransformation >
typedef word32 HashWordType
 
- Public Member Functions inherited from IteratedHashWithStaticTransform< word32, BigEndian, 64, 32, SHA256, 32, true >
unsigned int DigestSize () const
 Provides the digest size of the hash. More...
 
- Public Member Functions inherited from ClonableImpl< SHA256, AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA256 > >
ClonableClone () const
 
- Public Member Functions inherited from AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA256 >
std::string AlgorithmName () const
 
- Public Member Functions inherited from IteratedHash< word32, BigEndian, T_BlockSize >
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, HashTransformation >
 IteratedHashBase ()
 Construct an IteratedHashBase.
 
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...
 
- Public Member Functions inherited from HashTransformation
HashTransformationRef ()
 Provides a reference to this object. More...
 
virtual void Final (byte *digest)
 Computes the hash of the current message. More...
 
unsigned int TagSize () const
 Provides the tag size of the hash. 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
 Algorithm (bool checkSelfTestStatus=true)
 Interface for all crypto algorithms. More...
 
- Static Public Attributes inherited from IteratedHashWithStaticTransform< word32, BigEndian, 64, 32, SHA256, 32, true >
static const int DIGESTSIZE
 
- Static Public Attributes inherited from IteratedHash< word32, BigEndian, T_BlockSize >
static const int BLOCKSIZE
 

Detailed Description

implements the SHA-256 standard

Definition at line 33 of file sha.h.


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