PTLib  Version 2.14.3
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
PHMAC Class Referenceabstract

HMAC template class. More...

#include <cypher.h>

Inheritance diagram for PHMAC:
Collaboration diagram for PHMAC:

Public Types

enum  { KeyLength = 20 }
 
enum  { BlockSize = 64 }
 
typedef PMessageDigest::Result Result
 
- Public Types inherited from PObject
enum  Comparison { LessThan = -1, EqualTo = 0, GreaterThan = 1 }
 Result of the comparison operation performed by the Compare() function. More...
 

Public Member Functions

virtual void Hash (const BYTE *data, PINDEX len, Result &result)=0
 
virtual PString Encode (const BYTE *data, PINDEX len)
 
virtual PString Encode (const PBYTEArray &data)
 
virtual PString Encode (const PString &str)
 
virtual void Process (const BYTE *data, PINDEX len, Result &result)
 
virtual void Process (const PBYTEArray &data, Result &result)
 
virtual void Process (const PString &str, Result &result)
 
- Public Member Functions inherited from PObject
unsigned GetTraceContextIdentifier () const
 Get PTRACE context identifier. More...
 
void SetTraceContextIdentifier (unsigned id)
 
void GetTraceContextIdentifier (PObject &obj)
 
void GetTraceContextIdentifier (PObject *obj)
 
void SetTraceContextIdentifier (const PObject &obj)
 
void SetTraceContextIdentifier (const PObject *obj)
 
virtual ~PObject ()
 
virtual PObjectClone () const
 Create a copy of the class on the heap. More...
 
template<class CLS >
CLS * CloneAs () const
 As for Clone() but converts to specified type. More...
 
virtual PINDEX HashFunction () const
 This function yields a hash value required by the PDictionary class. More...
 
virtual Comparison Compare (const PObject &obj) const
 Compare the two objects and return their relative rank. More...
 
virtual Comparison CompareObjectMemoryDirect (const PObject &obj) const
 Determine the byte wise comparison of two objects. More...
 
bool operator== (const PObject &obj) const
 Compare the two objects. More...
 
bool operator!= (const PObject &obj) const
 Compare the two objects. More...
 
bool operator< (const PObject &obj) const
 Compare the two objects. More...
 
bool operator> (const PObject &obj) const
 Compare the two objects. More...
 
bool operator<= (const PObject &obj) const
 Compare the two objects. More...
 
bool operator>= (const PObject &obj) const
 Compare the two objects. More...
 
virtual const char * GetClass (unsigned ancestor=0) const
 Get the current dynamic type of the object instance. More...
 
PBoolean IsClass (const char *cls) const
 
virtual PBoolean InternalIsDescendant (const char *clsName) const
 Determine if the dynamic type of the current instance is a descendent of the specified class. More...
 
__inline const PObjectPTraceObjectInstance () const
 
virtual void PrintOn (ostream &strm) const
 Output the contents of the object to the stream. More...
 
virtual void ReadFrom (istream &strm)
 Input the contents of the object from the stream. More...
 

Protected Member Functions

virtual PINDEX GetL () const
 
virtual PINDEX GetB () const
 
virtual void Initialise (const BYTE *key, PINDEX len)
 
virtual void InternalProcess (const BYTE *data, PINDEX len, PHMAC::Result &result)
 
- Protected Member Functions inherited from PObject
 PObject ()
 Constructor for PObject, made protected so cannot ever create one on its own. More...
 

Protected Attributes

PBYTEArray m_key
 
- Protected Attributes inherited from PObject
unsigned m_traceContextIdentifier
 

Additional Inherited Members

- Static Public Member Functions inherited from PObject
static Comparison InternalCompareObjectMemoryDirect (const PObject *obj1, const PObject *obj2, PINDEX size)
 Internal function caled from CompareObjectMemoryDirect() More...
 
static const char * Class ()
 Get the name of the class as a C string. More...
 
static __inline const PObjectPTraceObjectInstance (const char *)
 
static __inline const PObjectPTraceObjectInstance (const PObject *obj)
 
- Friends inherited from PObject

Detailed Description

HMAC template class.

Create a class that implemented a HMAC as per RFC 2104 using an arbitrary hash class

Member Typedef Documentation

Member Enumeration Documentation

anonymous enum
Enumerator
KeyLength 
anonymous enum
Enumerator
BlockSize 

Member Function Documentation

virtual PString PHMAC::Encode ( const BYTE *  data,
PINDEX  len 
)
virtual
virtual PString PHMAC::Encode ( const PBYTEArray data)
virtual
virtual PString PHMAC::Encode ( const PString str)
virtual
virtual PINDEX PHMAC::GetB ( ) const
inlineprotectedvirtual

References BlockSize.

virtual PINDEX PHMAC::GetL ( ) const
inlineprotectedvirtual

References KeyLength.

virtual void PHMAC::Hash ( const BYTE *  data,
PINDEX  len,
Result result 
)
pure virtual

Implemented in PHMACTemplate< hash_class >.

virtual void PHMAC::Initialise ( const BYTE *  key,
PINDEX  len 
)
protectedvirtual
virtual void PHMAC::InternalProcess ( const BYTE *  data,
PINDEX  len,
PHMAC::Result result 
)
protectedvirtual
virtual void PHMAC::Process ( const BYTE *  data,
PINDEX  len,
Result result 
)
virtual
virtual void PHMAC::Process ( const PBYTEArray data,
Result result 
)
virtual
virtual void PHMAC::Process ( const PString str,
Result result 
)
virtual

Member Data Documentation

PBYTEArray PHMAC::m_key
protected

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