MessageDigest Class Reference

#include <MessageDigest.h>

Detailed Description

Simple MessageDigest -service.

Instances are not thread-safe.

Construction may throw tenduke::crypto::CryptoException.

Inheritance diagram for MessageDigest:

Public Types
enum	Algorithm { NONE , SHA256 }
	Supported algorithms.

Public Member Functions
virtual std::size_t	length () const=0
	Returns length (in bytes) of the resulting digest.
virtual MessageDigest *	update (const unsigned char *message, std::size_t messageLength)=0
	Updates the digest.
virtual void	digestTo (unsigned char *messageDigest)=0
	Computes the digest to pre-allocated buffer.
virtual std::unique_ptr< tenduke::utl::BinaryData >	digest ()=0
	Computes the digest.

Static Public Member Functions
static std::string	algorithmToString (enum MessageDigest::Algorithm algorithm)
	Converts algorithm to string representation.
static enum MessageDigest::Algorithm	stringToAlgorithm (const std::string &string)
	Converts string to algorithm.
static enum MessageDigest::Algorithm	stringToAlgorithm (const char *string)
	Converts string to algorithm.

Member Function Documentation

algorithmToString()

std::string tenduke::crypto::MessageDigest::algorithmToString ( enum MessageDigest::Algorithm algorithm )

static

Converts algorithm to string representation.

Parameters

algorithm

-

Returns

-

digest()

virtual std::unique_ptr< tenduke::utl::BinaryData > tenduke::crypto::MessageDigest::digest ( )

pure virtual

Computes the digest.

Returns

data-object containing the digest

Exceptions

tenduke::crypto::CryptoException

on error

digestTo()

virtual void tenduke::crypto::MessageDigest::digestTo ( unsigned char * messageDigest )

pure virtual

Computes the digest to pre-allocated buffer.

Parameters

messageDigest

the computed digest is placed here (needs to proper size, use MessageDigest::length()).

Exceptions

tenduke::crypto::CryptoException

on error

length()

virtual std::size_t tenduke::crypto::MessageDigest::length ( ) const

pure virtual

Returns length (in bytes) of the resulting digest.

Returns

-

stringToAlgorithm() [1/2]

xdcrypto::MessageDigest::Algorithm tenduke::crypto::MessageDigest::stringToAlgorithm ( const char * string )

static

Converts string to algorithm.

Parameters

string

-

Returns

-

stringToAlgorithm() [2/2]

xdcrypto::MessageDigest::Algorithm tenduke::crypto::MessageDigest::stringToAlgorithm ( const std::string & string )

static

Converts string to algorithm.

Parameters

string

-

Returns

-

update()

virtual MessageDigest * tenduke::crypto::MessageDigest::update ( const unsigned char * message, std::size_t messageLength )

pure virtual

Updates the digest.

Parameters

message	-
messageLength	-

Returns

this instance for chaining

Exceptions

tenduke::crypto::CryptoException

on error

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

• core/core/src/crypto/MessageDigest.h
• core/core/src/crypto/MessageDigest.cpp