keepass::hashed_ostreambuf Class Reference

Output streambuf that writes SHA-256-hashed, block-structured data. More...

#include <stream.hh>

Inheritance diagram for keepass::hashed_ostreambuf:

Public Member Functions
	hashed_ostreambuf (std::ostream &dst)
	Constructs an output streambuf with the default 1 MiB block size.
	hashed_ostreambuf (std::ostream &dst, uint32_t block_size)
	Constructs an output streambuf with a custom block size.
int	overflow (int c) override
	Buffers a character; flushes the current block when it reaches capacity.
int	sync () override
	Flushes any buffered data and writes the trailing empty end-of-stream block.

Detailed Description

Output streambuf that writes SHA-256-hashed, block-structured data.

Data is accumulated into blocks of a configurable size. Each block is flushed with a BlockHeader containing its SHA-256 hash. A trailing empty block is written on sync to signal end-of-stream.

Constructor & Destructor Documentation

hashed_ostreambuf() [1/2]

keepass::hashed_ostreambuf::hashed_ostreambuf ( std::ostream &  dst )

inlineexplicit

Constructs an output streambuf with the default 1 MiB block size.

Parameters

dst	The output stream to write hashed blocks to.

hashed_ostreambuf() [2/2]

keepass::hashed_ostreambuf::hashed_ostreambuf ( std::ostream &  dst, uint32_t  block_size  )

inline

Constructs an output streambuf with a custom block size.

Parameters

dst	The output stream to write hashed blocks to.
block_size	The maximum number of data bytes per block.

---

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

• stream.hh