ON_MD5_Hash Class Reference

#include <opennurbs_md5.h>

Public Member Functions
	ON_MD5_Hash ()
	Default constructor is the zero digest hash. More...
	ON_MD5_Hash (const ON_MD5_Hash &)=default
	~ON_MD5_Hash ()=default
void	Dump (class ON_TextLog &text_log) const
ON_MD5_Hash &	operator= (const ON_MD5_Hash &)=default
bool	Read (class ON_BinaryArchive &archive)
const ON_wString	ToString (bool bUpperCaseHexadecimalDigits) const
const ON_String	ToUTF8String (bool bUpperCaseHexadecimalDigits) const
bool	Write (class ON_BinaryArchive &archive) const

Static Public Member Functions
static ON_MD5_Hash	BufferHash (const void *buffer, size_t sizeof_buffer)
static int	Compare (const ON_MD5_Hash &a, const ON_MD5_Hash &b)
static ON_MD5_Hash	FileHash (const wchar_t *filename, ON__UINT64 &sizeof_file)
static ON_MD5_Hash	FileHash (const char *filename, ON__UINT64 &sizeof_file)
static ON_MD5_Hash	FileHash (FILE *file, ON__UINT64 &sizeof_file)
static ON_MD5_Hash	StringHash (const ON_wString &str, ON__UINT64 &byte_count)
static ON_MD5_Hash	StringHash (const wchar_t *str, size_t str_length, ON__UINT64 &byte_count)
static ON_MD5_Hash	StringHash (const ON_String &str, ON__UINT64 &byte_count)
static ON_MD5_Hash	StringHash (const char *str, size_t str_length, ON__UINT64 &byte_count)

Public Attributes
ON__UINT8	m_digest [16]

Static Public Attributes
static const ON_MD5_Hash	EmptyContentHash
static const ON_MD5_Hash	ZeroDigest

Constructor & Destructor Documentation

ON_MD5_Hash() [1/2]

ON_MD5_Hash::ON_MD5_Hash

(

)

Default constructor is the zero digest hash.

~ON_MD5_Hash()

ON_MD5_Hash::~ON_MD5_Hash ( )

default

ON_MD5_Hash() [2/2]

ON_MD5_Hash::ON_MD5_Hash ( const ON_MD5_Hash &  )

default

Member Function Documentation

BufferHash()

static ON_MD5_Hash ON_MD5_Hash::BufferHash ( const void *  buffer, size_t  sizeof_buffer  )

static

Parameters

buffer	[in]
sizeof_buffer	[in] number of bytes in buffer

Returns

MD5 hash of the buffer.

Compare()

static int ON_MD5_Hash::Compare ( const ON_MD5_Hash &  a, const ON_MD5_Hash &  b  )

static

Dump()

void ON_MD5_Hash::Dump

(

class ON_TextLog &

text_log

)

const

FileHash() [1/3]

static ON_MD5_Hash ON_MD5_Hash::FileHash ( const wchar_t *  filename, ON__UINT64 &  sizeof_file  )

static

Parameters

filename	[in] Name of file
sizeof_file	[out] number of bytes in file

Returns

MD5 hash of the buffer.

FileHash() [2/3]

static ON_MD5_Hash ON_MD5_Hash::FileHash ( const char *  filename, ON__UINT64 &  sizeof_file  )

static

FileHash() [3/3]

static ON_MD5_Hash ON_MD5_Hash::FileHash ( FILE *  file, ON__UINT64 &  sizeof_file  )

static

Parameters

file	[in] File stream from ON_FileStream::Open(...,L"rb");
sizeof_file	[out] number of bytes in file

Returns

MD5 hash of the file stream from the current offset to the end of the file.

operator=()

ON_MD5_Hash& ON_MD5_Hash::operator= ( const ON_MD5_Hash &  )

default

Read()

bool ON_MD5_Hash::Read

(

class ON_BinaryArchive &

archive

)

StringHash() [1/4]

static ON_MD5_Hash ON_MD5_Hash::StringHash ( const ON_wString &  str, ON__UINT64 &  byte_count  )

static

Parameters

str	[in] string
byte_count	[out] number of bytes in UTF-8 encoding of the string.

Returns

MD5 hash of the UTF-8 encoding of the string. (Platforms and endian independent.)

StringHash() [2/4]

static ON_MD5_Hash ON_MD5_Hash::StringHash ( const wchar_t *  str, size_t  str_length, ON__UINT64 &  byte_count  )

static

StringHash() [3/4]

static ON_MD5_Hash ON_MD5_Hash::StringHash ( const ON_String &  str, ON__UINT64 &  byte_count  )

static

Parameters

str	[in]
byte_count	[out] number of bytes in the string.

Returns

MD5 hash of the UTF-8 encoding of the string. (Platforms and endian independent.)

StringHash() [4/4]

static ON_MD5_Hash ON_MD5_Hash::StringHash ( const char *  str, size_t  str_length, ON__UINT64 &  byte_count  )

static

ToString()

const ON_wString ON_MD5_Hash::ToString

(

bool

bUpperCaseHexadecimalDigits

)

const

Parameters

bUpperCaseHexadecimalDigits	[in]
false	use 0-9, a-f
true	use 0-9, A-F

Returns

The MD5 hash value as a 32 hexadecimal digits. The first digit in the string is the hexadecimal value of m_digest[0].

ToUTF8String()

const ON_String ON_MD5_Hash::ToUTF8String

(

bool

bUpperCaseHexadecimalDigits

)

const

Parameters

bUpperCaseHexadecimalDigits	[in]
false	use 0-9, a-f
true	use 0-9, A-F

Returns

The MD5 hash value as a 32 hexadecimal digits. The first digit in the string is the hexadecimal value of m_digest[0].

Write()

bool ON_MD5_Hash::Write

(

class ON_BinaryArchive &

archive

)

const

Member Data Documentation

EmptyContentHash

const ON_MD5_Hash ON_MD5_Hash::EmptyContentHash

static

m_digest

ON__UINT8 ON_MD5_Hash::m_digest[16]

ZeroDigest

const ON_MD5_Hash ON_MD5_Hash::ZeroDigest

static