Lightweight::SqlBackup::Sha256 Class Reference

Simple SHA-256 implementation for backup integrity verification. More...

#include <Sha256.hpp>

Public Member Functions
void	Reset ()
	Resets the hash state to initial values.
void	Update (void const *data, size_t len)
	Updates the hash with the given data.
void	Update (std::span< uint8_t const > data)
	Updates the hash with the given data span.
void	Update (std::string_view data)
	Updates the hash with the given string data.
std::array< uint8_t, DigestSize >	Finalize ()
	Finalizes the hash computation and returns the digest.

Static Public Member Functions
static std::string	ToHex (std::array< uint8_t, DigestSize > const &digest)
	Converts a digest to its hexadecimal string representation.
static std::string	Hash (void const *data, size_t len)
	Computes the SHA-256 hash of the given data and returns it as a hex string.
static std::string	Hash (std::string_view data)
	Computes the SHA-256 hash of the given string and returns it as a hex string.

Static Public Attributes
static constexpr size_t	DigestSize = 32
	The size of the SHA-256 digest in bytes.
static constexpr size_t	BlockSize = 64
	The block size used by the SHA-256 algorithm in bytes.

Detailed Description

Simple SHA-256 implementation for backup integrity verification.

Definition at line 17 of file Sha256.hpp.

Constructor & Destructor Documentation

Sha256()

Lightweight::SqlBackup::Sha256::Sha256 ( )

inline

Definition at line 25 of file Sha256.hpp.

Member Function Documentation

Reset()

void Lightweight::SqlBackup::Sha256::Reset ( )

inline

Resets the hash state to initial values.

Definition at line 31 of file Sha256.hpp.

Update() [1/3]

void Lightweight::SqlBackup::Sha256::Update ( void const *  data, size_t  len  )

inline

Updates the hash with the given data.

Definition at line 46 of file Sha256.hpp.

References BlockSize.

Referenced by Finalize(), Hash(), Update(), and Update().

Update() [2/3]

void Lightweight::SqlBackup::Sha256::Update ( std::span< uint8_t const >  data )

inline

Updates the hash with the given data span.

Definition at line 81 of file Sha256.hpp.

References Update().

Update() [3/3]

void Lightweight::SqlBackup::Sha256::Update ( std::string_view  data )

inline

Updates the hash with the given string data.

Definition at line 87 of file Sha256.hpp.

References Update().

Finalize()

std::array< uint8_t, DigestSize > Lightweight::SqlBackup::Sha256::Finalize ( )

inline

Finalizes the hash computation and returns the digest.

Definition at line 93 of file Sha256.hpp.

References Update().

Referenced by Hash().

ToHex()

static std::string Lightweight::SqlBackup::Sha256::ToHex ( std::array< uint8_t, DigestSize > const &  digest )

inlinestatic

Converts a digest to its hexadecimal string representation.

Definition at line 126 of file Sha256.hpp.

Referenced by Hash().

Hash() [1/2]

static std::string Lightweight::SqlBackup::Sha256::Hash ( void const *  data, size_t  len  )

inlinestatic

Computes the SHA-256 hash of the given data and returns it as a hex string.

Definition at line 135 of file Sha256.hpp.

References Finalize(), ToHex(), and Update().

Referenced by Hash().

Hash() [2/2]

static std::string Lightweight::SqlBackup::Sha256::Hash ( std::string_view  data )

inlinestatic

Computes the SHA-256 hash of the given string and returns it as a hex string.

Definition at line 143 of file Sha256.hpp.

References Hash().

Member Data Documentation

DigestSize

constexpr size_t Lightweight::SqlBackup::Sha256::DigestSize = 32

staticconstexpr

The size of the SHA-256 digest in bytes.

Definition at line 21 of file Sha256.hpp.

BlockSize

constexpr size_t Lightweight::SqlBackup::Sha256::BlockSize = 64

staticconstexpr

The block size used by the SHA-256 algorithm in bytes.

Definition at line 23 of file Sha256.hpp.

Referenced by Update().

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

• Lightweight/SqlBackup/Sha256.hpp