SHA256 Class Reference

Detailed Description

SHA-256 processor without external dependencies.

Definition at line 28 of file sha256.hpp.

#include <sha256.hpp>

Public Member Functions
	SHA256 ()
	construct empty object. More...
	SHA256 (const void *data, uint32_t size)
	construct context and process data range More...
	SHA256 (const std::string &str)
	construct context and process string More...
std::string	digest ()
	finalize computation and return 32 byte (256 bit) digest More...
std::string	digest_hex ()
	finalize computation and return 32 byte (256 bit) digest hex encoded More...
std::string	digest_hex_uc ()
	finalize computation and return 32 byte (256 bit) digest upper-case hex More...
void	finalize (void *digest)
	finalize computation and output 32 byte (256 bit) digest More...
void	process (const void *data, uint32_t size)
	process more data More...
void	process (const std::string &str)
	process more data More...

Static Public Attributes
static constexpr size_t	kDigestLength = 32
	digest length in bytes More...

Private Attributes
uint8_t	buf_ [64]
uint32_t	curlen_
uint64_t	length_
uint32_t	state_ [8]

Constructor & Destructor Documentation

SHA256() [1/3]

SHA256

(

)

construct empty object.

Definition at line 131 of file sha256.cpp.

References SHA256::curlen_, SHA256::length_, and SHA256::state_.

Referenced by tlx::sha256_hex(), and tlx::sha256_hex_uc().

SHA256() [2/3]

SHA256	(	const void *	data,
		uint32_t	size
	)

construct context and process data range

Definition at line 144 of file sha256.cpp.

References SHA256::process().

SHA256() [3/3]

SHA256 ( const std::string &  str )

explicit

construct context and process string

Definition at line 149 of file sha256.cpp.

References SHA256::process().

Member Function Documentation

digest()

std::string digest

(

)

finalize computation and return 32 byte (256 bit) digest

Definition at line 220 of file sha256.cpp.

References SHA256::finalize(), and SHA256::kDigestLength.

Referenced by SHA256::digest_hex(), and SHA256::digest_hex_uc().

digest_hex()

std::string digest_hex

(

)

finalize computation and return 32 byte (256 bit) digest hex encoded

Definition at line 226 of file sha256.cpp.

References SHA256::digest(), SHA256::finalize(), tlx::hexdump_lc(), and SHA256::kDigestLength.

digest_hex_uc()

std::string digest_hex_uc

(

)

finalize computation and return 32 byte (256 bit) digest upper-case hex

Definition at line 232 of file sha256.cpp.

References SHA256::digest(), SHA256::finalize(), tlx::hexdump(), and SHA256::kDigestLength.

finalize()

void finalize

(

void *

digest

)

finalize computation and output 32 byte (256 bit) digest

Definition at line 189 of file sha256.cpp.

References SHA256::buf_, SHA256::curlen_, SHA256::length_, SHA256::state_, and tlx::digest_detail::store64().

Referenced by SHA256::digest(), SHA256::digest_hex(), and SHA256::digest_hex_uc().

process() [1/2]

void process	(	const void *	data,
		uint32_t	size
	)

process more data

Definition at line 154 of file sha256.cpp.

References SHA256::buf_, SHA256::curlen_, SHA256::length_, min(), and SHA256::state_.

Referenced by SHA256::process(), and SHA256::SHA256().

process() [2/2]

void process

(

const std::string &

str

)

process more data

Definition at line 185 of file sha256.cpp.

References SHA256::process().

Member Data Documentation

buf_

uint8_t buf_[64]

private

Definition at line 60 of file sha256.hpp.

Referenced by SHA256::finalize(), and SHA256::process().

curlen_

uint32_t curlen_

private

Definition at line 59 of file sha256.hpp.

Referenced by SHA256::finalize(), SHA256::process(), and SHA256::SHA256().

kDigestLength

constexpr size_t kDigestLength = 32

static

digest length in bytes

Definition at line 44 of file sha256.hpp.

Referenced by SHA256::digest(), SHA256::digest_hex(), and SHA256::digest_hex_uc().

length_

uint64_t length_

private

Definition at line 57 of file sha256.hpp.

Referenced by SHA256::finalize(), SHA256::process(), and SHA256::SHA256().

state_

uint32_t state_[8]

private

Definition at line 58 of file sha256.hpp.

Referenced by SHA256::finalize(), SHA256::process(), and SHA256::SHA256().

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

• extlib/tlx/tlx/digest/sha256.hpp
• extlib/tlx/tlx/digest/sha256.cpp