Digest Class Reference

The digest base class is used for implementing and deriving one way hashing functions. More...

Inheritance diagram for Digest:

Collaboration diagram for Digest:

Public Member Functions
virtual void	initDigest (void)=0
	Reset the digest table to an initial default value. More...

Protected Member Functions
	Digest ()
virtual unsigned	getSize (void)=0
	Get the size of a digest in octets. More...
virtual unsigned	getDigest (unsigned char *buffer)=0
	Copy the binary digest buffer to user memory. More...
virtual void	putDigest (const unsigned char *buffer, unsigned length)=0
	Put data into the digest bypassing the stream subsystem. More...
virtual std::ostream &	strDigest (std::ostream &os)=0
	print a digest string for export. More...

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.nosp@m.@ost.nosp@m.el.co.nosp@m.m base class for hashing services.

Definition at line 65 of file queue.cpp.

Constructor & Destructor Documentation

Digest::Digest ( )

protected

Definition at line 110 of file queue.cpp.

Member Function Documentation

virtual unsigned Digest::getDigest ( unsigned char *  buffer )

protectedpure virtual

Copy the binary digest buffer to user memory.

Returns

number of bytes in digest.

Parameters

buffer

to write into.

Implemented in MD5Digest.

virtual unsigned Digest::getSize ( void  )

protectedpure virtual

Get the size of a digest in octets.

Returns

number of bytes in digest.

Implemented in MD5Digest.

virtual void Digest::initDigest ( void  )

pure virtual

Reset the digest table to an initial default value.

Implemented in MD5Digest.

virtual void Digest::putDigest ( const unsigned char *  buffer, unsigned  length  )

protectedpure virtual

Put data into the digest bypassing the stream subsystem.

Parameters

buffer	to read from.
length	of data.

Implemented in MD5Digest.

virtual std::ostream& Digest::strDigest ( std::ostream &  os )

protectedpure virtual

print a digest string for export.

Returns

string representation of digest.

Implemented in MD5Digest.

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  os, Digest &  ia  )

friend

Definition at line 100 of file queue.cpp.

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

• queue.cpp