NAME¶

ost::Digest - The digest base class is used for implementing and deriving one way hashing functions.

SYNOPSIS¶

#include <digest.h> Inherits streambuf, and ostream. 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:

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: Parameters: Implemented in ost::MD5Digest, ost::CRC32Digest, ost::CRC16Digest, and ost::ChecksumDigest.

virtual unsigned ost::Digest::getSize (void) [protected], [pure virtual]¶

Get the size of a digest in octets. Returns: Implemented in ost::MD5Digest, ost::CRC32Digest, ost::CRC16Digest, and ost::ChecksumDigest.

virtual void ost::Digest::initDigest (void) [pure virtual]¶

Reset the digest table to an initial default value. Implemented in ost::MD5Digest, ost::CRC32Digest, ost::CRC16Digest, and ost::ChecksumDigest.

virtual void ost::Digest::putDigest (const unsigned char *buffer, unsignedlength) [protected], [pure virtual]¶

Put data into the digest bypassing the stream subsystem. Parameters: Implemented in ost::MD5Digest, ost::CRC32Digest, ost::CRC16Digest, and ost::ChecksumDigest.

virtual std::ostream& ost::Digest::strDigest (std::ostream &os) [protected], [pure virtual]¶

print a digest string for export. Returns: Implemented in ost::MD5Digest, ost::CRC32Digest, ost::CRC16Digest, and ost::ChecksumDigest.

Friends And Related Function Documentation¶

std::ostream& operator<< (std::ostream &os, Digest &ia) [friend]¶

Author¶

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