Scrubs a buffer with CW_Utils::secure_wipe when it leaves scope. More...

#include <pos_app.h>

Public Member Functions
	WipeGuard (uint8_t *b, size_t n)
	~WipeGuard ()
	WipeGuard (const WipeGuard &)=delete
WipeGuard &	operator= (const WipeGuard &)=delete

Public Attributes
uint8_t *	buf
size_t	len

Detailed Description

Scrubs a buffer with CW_Utils::secure_wipe when it leaves scope.

The payment paths have many early returns; a guard declared next to each sensitive artifact scrubs it on every exit.

Definition at line 215 of file pos_app.h.

Constructor & Destructor Documentation

◆ WipeGuard() [1/2]

WipeGuard::WipeGuard	(	uint8_t *	b,
		size_t	n )

inlineexplicit

Definition at line 218 of file pos_app.h.

References buf, and len.

Referenced by operator=(), and WipeGuard().

◆ ~WipeGuard()

WipeGuard::~WipeGuard ( )

inline

Definition at line 219 of file pos_app.h.

References buf, and len.

◆ WipeGuard() [2/2]

WipeGuard::WipeGuard ( const WipeGuard & )

delete

References WipeGuard().

Member Function Documentation

◆ operator=()

WipeGuard & WipeGuard::operator= ( const WipeGuard & )

delete

References WipeGuard().

Member Data Documentation

◆ buf

uint8_t* WipeGuard::buf

Definition at line 216 of file pos_app.h.

Referenced by WipeGuard(), and ~WipeGuard().

◆ len

size_t WipeGuard::len

Definition at line 217 of file pos_app.h.