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ost_Digest
Langue: en
Version: 349628 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Constructor & Destructor Documentation
- 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
- Author
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
virtual void initDigest (void)=0
Reset the digest table to an initial default value.
virtual ~Digest ()
Protected Member Functions
Digest ()
virtual unsigned getSize (void)=0
Get the size of a digest in octets.
virtual unsigned getDigest (unsigned char *buffer)=0
Copy the binary digest buffer to user memory.
virtual void putDigest (const unsigned char *buffer, unsigned length)=0
Put data into the digest bypassing the stream subsystem.
virtual std::ostream & strDigest (std::ostream &os)=0
print a digest string for export.
Friends
std::ostream & 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
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