ost::Digest
ost::Digest
Section: C Library Functions (3) Updated: 16 Feb 2010 Local index
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NAME
ost::Digest -
The digest base class is used for implementing and deriving one way hashing functions.
SYNOPSIS
#include <digest.h >
Inherited by ost::ChecksumDigest , ost::CRC16Digest , ost::CRC32Digest , and ost::MD5Digest .
Public Member Functions
initDigest (void)=0
Reset the digest table to an initial default value.
~Digest ()
Protected Member Functions
Digest ()
getSize (void)=0
Get the size of a digest in octets.
getDigest (unsigned char *buffer)=0
Copy the binary digest buffer to user memory.
putDigest (const unsigned char *buffer, unsigned length)=0
Put data into the digest bypassing the stream subsystem.
strDigest (std::ostream &os)=0
print a digest string for export.
Friends
operator<< (std::ostream &os, Digest &ia)
Detailed Description
The digest base class is used for implementing and deriving one way hashing functions.
Author:
David Sugar <dyfet@ostel.com > base class for hashing services.
Constructor & Destructor Documentation
ost::Digest::Digest () [protected]
virtual ost::Digest::~Digest () [virtual]
Member Function Documentation
virtual unsigned ost::Digest::getDigest (unsigned char * buffer) [protected, pure virtual]
Copy the binary digest buffer to user memory. Returns:
number of bytes in digest.
Parameters:
buffer to write into.
Implemented in ost::ChecksumDigest , ost::CRC16Digest , ost::CRC32Digest , and ost::MD5Digest .
virtual unsigned ost::Digest::getSize (void) [protected, pure virtual]
Get the size of a digest in octets. Returns:
number of bytes in digest.
Implemented in ost::ChecksumDigest , ost::CRC16Digest , ost::CRC32Digest , and ost::MD5Digest .
virtual void ost::Digest::initDigest (void) [pure virtual]
Reset the digest table to an initial default value.
Implemented in ost::ChecksumDigest , ost::CRC16Digest , ost::CRC32Digest , and ost::MD5Digest .
virtual void ost::Digest::putDigest (const unsigned char * buffer, unsigned length) [protected, pure virtual]
Put data into the digest bypassing the stream subsystem. Parameters:
buffer to read from.
length of data.
Implemented in ost::ChecksumDigest , ost::CRC16Digest , ost::CRC32Digest , and ost::MD5Digest .
virtual std::ostream& ost::Digest::strDigest (std::ostream & os) [protected, pure virtual]
print a digest string for export. Returns:
string representation of digest.
Implemented in ost::ChecksumDigest , ost::CRC16Digest , ost::CRC32Digest , and ost::MD5Digest .
Friends And Related Function Documentation
std::ostream& operator<< (std::ostream & os, Digest & ia) [friend]
Author
Generated automatically by Doxygen for GNU CommonC++ from the source code.
Index
NAME
SYNOPSIS
Public Member Functions
Protected Member Functions
Friends
Detailed Description
Constructor & Destructor Documentation
ost::Digest::Digest () [protected]
virtual ost::Digest::~Digest () [virtual]
Member Function Documentation
virtual unsigned ost::Digest::getDigest (unsigned char * buffer) [protected, pure virtual]
virtual unsigned ost::Digest::getSize (void) [protected, pure virtual]
virtual void ost::Digest::initDigest (void) [pure virtual]
virtual void ost::Digest::putDigest (const unsigned char * buffer, unsigned length) [protected, pure virtual]
virtual std::ostream& ost::Digest::strDigest (std::ostream & os) [protected, pure virtual]
Friends And Related Function Documentation
std::ostream& operator<< (std::ostream & os, Digest & ia) [friend]
Author
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