Struct LockedBuffer 

pub struct LockedBuffer { /* private fields */ }

A memory buffer that is:

• mlock’d on Unix (pinned in RAM, never swapped to disk)
• Zeroized on drop (all bytes set to 0)

This ensures plaintext data never touches disk, even under memory pressure.

Implementations

impl LockedBuffer

pub fn new(capacity: usize) -> Self

Allocate a new locked buffer. Memory is immediately mlock’d.

pub fn write(&mut self, src: &[u8]) -> usize

Write data into the locked buffer

pub fn as_bytes(&self) -> &[u8]

Read the contents of the locked buffer

pub fn as_bytes_mut(&mut self) -> &mut [u8]

Get a mutable reference to the buffer contents

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn is_locked(&self) -> bool

pub fn wipe(&mut self)

Explicitly wipe and unlock. Also called on drop.

Trait Implementations

impl Drop for LockedBuffer

fn drop(&mut self)

Executes the destructor for this type.