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SHA-256 processor without external dependencies. More...

#include <sha256.hpp>

Public Member Functions

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

Static Public Attributes

static constexpr size_t kDigestLength
 digest length in bytes
 

Private Attributes

std::uint64_t length_
 
std::uint32_t state_ [8]
 
std::uint32_t curlen_
 
std::uint8_t buf_ [64]
 

Detailed Description

SHA-256 processor without external dependencies.

Definition at line 28 of file sha256.hpp.

Constructor & Destructor Documentation

◆ SHA256() [1/3]

SHA256 ( )

construct empty object.

Definition at line 132 of file sha256.cpp.

◆ SHA256() [2/3]

SHA256 ( const void * data,
std::uint32_t size )

construct context and process data range

Definition at line 145 of file sha256.cpp.

◆ SHA256() [3/3]

SHA256 ( const std::string & str)
explicit

construct context and process string

Definition at line 150 of file sha256.cpp.

Member Function Documentation

◆ digest()

std::string digest ( )

finalize computation and return 32 byte (256 bit) digest

Definition at line 221 of file sha256.cpp.

◆ digest_hex()

std::string digest_hex ( )

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

Definition at line 227 of file sha256.cpp.

◆ digest_hex_uc()

std::string digest_hex_uc ( )

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

Definition at line 233 of file sha256.cpp.

◆ finalize()

void finalize ( void * digest)

finalize computation and output 32 byte (256 bit) digest

Definition at line 190 of file sha256.cpp.

◆ process() [1/2]

void process ( const std::string & str)

process more data

Definition at line 186 of file sha256.cpp.

◆ process() [2/2]

void process ( const void * data,
std::uint32_t size )

process more data

Definition at line 155 of file sha256.cpp.

Member Data Documentation

◆ buf_

std::uint8_t buf_[64]
private

Definition at line 60 of file sha256.hpp.

◆ curlen_

std::uint32_t curlen_
private

Definition at line 59 of file sha256.hpp.

◆ kDigestLength

constexpr size_t kDigestLength
staticconstexpr

digest length in bytes

Definition at line 44 of file sha256.hpp.

◆ length_

std::uint64_t length_
private

Definition at line 57 of file sha256.hpp.

◆ state_

std::uint32_t state_[8]
private

Definition at line 58 of file sha256.hpp.


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