Functions to compute SHA1 message digest according to the NIST specification FIPS-180-1. More...

Public Member Functions
	SHA1 ()
	Construct null. More...

	SHA1 (const std::string &)
	Construct null and append initial std::string. More...

	SHA1 (const char *)
	Construct null and append initial string. More...

void	clear ()
	Reset the hashed data before appending more. More...

SHA1 &	append (const char *data, size_t len)
	Append data for processing. More...

SHA1 &	append (const std::string &)
	Append string for processing. More...

SHA1 &	append (const char *str)
	Append string for processing. More...

bool	finalize ()
	Finalized the calculations (normally not needed directly). More...

SHA1Digest	digest () const
	Calculate current digest from appended data. More...

bool	operator== (const SHA1 &) const
	Equality operator, compares digests. More...

bool	operator== (const SHA1Digest &) const
	Compare digest. More...

bool	operator== (const std::string &hexdigits) const
	Compare digest to (40-byte) text representation (eg, from sha1sum) More...

bool	operator== (const char *hexdigits) const
	Compare digest to (40-byte) text representation (eg, from sha1sum) More...

bool	operator!= (const SHA1 &) const
	Inequality operator, compares digests. More...

bool	operator!= (const SHA1Digest &) const
	Inequality operator, compare digest. More...

bool	operator!= (const std::string &hexdigits) const
	Inequality operator, compares digests. More...

bool	operator!= (const char *hexdigits) const
	Inequality operator, compare digest. More...

	operator SHA1Digest () const
	Convert to a SHA1Digest,. More...

Private Member Functions
void	processBlock (const void *data, size_t len)
	Process data block-wise, LEN must be a multiple of 64! More...

void	processBytes (const void *data, size_t len)
	Process for the next LEN bytes, LEN need not be a multiple of 64. More...

void	calcDigest (SHA1Digest &) const
	Calculate current digest from appended data. More...

Static Private Member Functions
static uint32_t	swapBytes (uint32_t)
	Swap bytes from internal to network (big-endian) order. More...

static void	set_uint32 (unsigned char *cp, uint32_t)
	Copy the 4-byte value into the memory location pointed to by *dst. More...

Private Attributes
bool	finalized_
	Track if the hashsum has been finalized (added count, etc) More...

uint32_t	hashsumA_
	The hash sums. More...

uint32_t	hashsumB_

uint32_t	hashsumC_

uint32_t	hashsumD_

uint32_t	hashsumE_

uint32_t	bufTotal_ [2]
	The total number processed, saved as 64-bit. More...

uint32_t	bufLen_
	The number of elements pending in the buffer. More...

uint32_t	buffer_ [32]
	The input processing buffer. More...

Friends
Ostream &	operator<< (Ostream &, const SHA1 &)
	Output the digest. More...

Detailed Description

Functions to compute SHA1 message digest according to the NIST specification FIPS-180-1.

Adapted from the gnulib implementation.

See also: Foam::SHA1Digest

Source files

Definition at line 68 of file SHA1.H.

Constructor & Destructor Documentation

◆ SHA1() [1/3]

SHA1 ( )

inline

Construct null.

Definition at line 31 of file SHA1I.H.

References SHA1::clear().

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◆ SHA1() [2/3]

SHA1 ( const std::string & str )

inlineexplicit

Construct null and append initial std::string.

Definition at line 37 of file SHA1I.H.

References clear().

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◆ SHA1() [3/3]

SHA1 ( const char * str )

inlineexplicit

Construct null and append initial string.

Definition at line 44 of file SHA1I.H.

References clear().

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Member Function Documentation

◆ swapBytes()

uint32_t swapBytes ( uint32_t n )

inlinestaticprivate

Swap bytes from internal to network (big-endian) order.

Definition at line 57 of file SHA1.C.

References n, and x.

◆ set_uint32()

void set_uint32	(	unsigned char *	cp,
		uint32_t	v
	)

inlinestaticprivate

Copy the 4-byte value into the memory location pointed to by *dst.

If the architecture allows unaligned access this is equivalent to (uint32_t *) cp = val

Definition at line 95 of file SHA1.C.

References Foam::cp().

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◆ processBlock()

void processBlock	(	const void *	data,
		size_t	len
	)

private

Process data block-wise, LEN must be a multiple of 64!

Definition at line 183 of file SHA1.C.

References Foam::constant::physicoChemical::b, Foam::constant::universal::c, Foam::e, F1, F2, F3, F4, K1, K2, K3, K4, M, R, and x.

◆ processBytes()

void processBytes	(	const void *	data,
		size_t	len
	)

private

Process for the next LEN bytes, LEN need not be a multiple of 64.

Definition at line 103 of file SHA1.C.

References Foam::add(), and clear().

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◆ calcDigest()

void calcDigest ( SHA1Digest & dig ) const

private

Calculate current digest from appended data.

Definition at line 319 of file SHA1.C.

References SHA1Digest::clear(), and SHA1Digest::v_.

Referenced by SHA1::digest().

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◆ clear()

void clear ( )

Reset the hashed data before appending more.

Definition at line 341 of file SHA1.C.

Referenced by main(), OSHA1stream::rewind(), and SHA1::SHA1().

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◆ append() [1/3]

Foam::SHA1 & append	(	const char *	data,
		size_t	len
	)

inline

Append data for processing.

Definition at line 53 of file SHA1I.H.

Referenced by main(), and sha1streambuf::xsputn().

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◆ append() [2/3]

Foam::SHA1 & append ( const std::string & str )

inline

Append string for processing.

Definition at line 60 of file SHA1I.H.

◆ append() [3/3]

Foam::SHA1 & append ( const char * str )

inline

Append string for processing.

Definition at line 67 of file SHA1I.H.

◆ finalize()

bool finalize ( )

Finalized the calculations (normally not needed directly).

Returns false if no bytes were passed for processing

Definition at line 356 of file SHA1.C.

Referenced by SHA1::digest().

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◆ digest()

Foam::SHA1Digest digest ( ) const

Calculate current digest from appended data.

Definition at line 395 of file SHA1.C.

References SHA1::calcDigest(), and SHA1::finalize().

Referenced by OSHA1stream::digest(), Foam::operator<<(), and SHA1::operator==().

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◆ operator==() [1/4]

bool operator== ( const SHA1 & rhs ) const

inline

Equality operator, compares digests.

Definition at line 79 of file SHA1I.H.

References SHA1::digest().

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◆ operator==() [2/4]

bool operator== ( const SHA1Digest & rhs ) const

inline

Compare digest.

Definition at line 85 of file SHA1I.H.

◆ operator==() [3/4]

bool operator== ( const std::string & hexdigits ) const

inline

Compare digest to (40-byte) text representation (eg, from sha1sum)

An empty string is equivalent to "0000000000000000000000000000000000000000"

Definition at line 91 of file SHA1I.H.

◆ operator==() [4/4]

bool operator== ( const char * hexdigits ) const

inline

Compare digest to (40-byte) text representation (eg, from sha1sum)

A null or empty string is equivalent to "0000000000000000000000000000000000000000"

Definition at line 97 of file SHA1I.H.

◆ operator!=() [1/4]

bool operator!= ( const SHA1 & rhs ) const

inline

Inequality operator, compares digests.

Definition at line 103 of file SHA1I.H.

References Foam::operator==().

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◆ operator!=() [2/4]

bool operator!= ( const SHA1Digest & rhs ) const

inline

Inequality operator, compare digest.

Definition at line 109 of file SHA1I.H.

References Foam::operator==().

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◆ operator!=() [3/4]

bool operator!= ( const std::string & hexdigits ) const

inline

Inequality operator, compares digests.

Definition at line 115 of file SHA1I.H.

References Foam::operator==().

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◆ operator!=() [4/4]

bool operator!= ( const char * hexdigits ) const

inline

Inequality operator, compare digest.

Definition at line 121 of file SHA1I.H.

References Foam::operator==().

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◆ operator SHA1Digest()

operator SHA1Digest ( ) const

inline

Convert to a SHA1Digest,.

calculate current digest from appended data

Friends And Related Function Documentation

◆ operator<<

Ostream& operator<<	(	Ostream &	,
		const SHA1 &
	)

friend

Output the digest.

Field Documentation

◆ finalized_

bool finalized_

private

Track if the hashsum has been finalized (added count, etc)

Definition at line 73 of file SHA1.H.

◆ hashsumA_

uint32_t hashsumA_

private

The hash sums.

Definition at line 76 of file SHA1.H.

◆ hashsumB_

uint32_t hashsumB_

private

Definition at line 77 of file SHA1.H.

◆ hashsumC_

uint32_t hashsumC_

private

Definition at line 78 of file SHA1.H.

◆ hashsumD_

uint32_t hashsumD_

private

Definition at line 79 of file SHA1.H.

◆ hashsumE_

uint32_t hashsumE_

private

Definition at line 80 of file SHA1.H.

◆ bufTotal_

uint32_t bufTotal_[2]

private

The total number processed, saved as 64-bit.

Definition at line 83 of file SHA1.H.

◆ bufLen_

uint32_t bufLen_

private

The number of elements pending in the buffer.

Definition at line 86 of file SHA1.H.

◆ buffer_

uint32_t buffer_[32]

private

The input processing buffer.

Definition at line 89 of file SHA1.H.

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

src/OpenFOAM/primitives/hashes/SHA1/SHA1.H
src/OpenFOAM/primitives/hashes/SHA1/SHA1.C
src/OpenFOAM/primitives/hashes/SHA1/SHA1I.H

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ SHA1() [1/3]

◆ SHA1() [2/3]

◆ SHA1() [3/3]

Member Function Documentation

◆ swapBytes()

◆ set_uint32()

◆ processBlock()

◆ processBytes()

◆ calcDigest()

◆ clear()

◆ append() [1/3]

◆ append() [2/3]

◆ append() [3/3]

◆ finalize()

◆ digest()

◆ operator==() [1/4]

◆ operator==() [2/4]

◆ operator==() [3/4]

◆ operator==() [4/4]

◆ operator!=() [1/4]

◆ operator!=() [2/4]

◆ operator!=() [3/4]

◆ operator!=() [4/4]

◆ operator SHA1Digest()

Friends And Related Function Documentation

◆ operator<<

Field Documentation

◆ finalized_

◆ hashsumA_

◆ hashsumB_

◆ hashsumC_

◆ hashsumD_

◆ hashsumE_

◆ bufTotal_

◆ bufLen_

◆ buffer_