Struct DeriveCtx 

pub struct DeriveCtx { /* private fields */ }

Asymmetric key-agreement context (EVP_PKEY_CTX in derive mode).

Implementations

impl DeriveCtx

pub fn new(key: &Pkey<Private>) -> Result<Self, ErrorStack>

Create a derive context from a private key.

Errors

pub fn set_peer(&mut self, peer: &Pkey<Public>) -> Result<(), ErrorStack>

Set the peer’s public key.

Errors

pub fn derive(&mut self, out: &mut [u8]) -> Result<usize, ErrorStack>

Derive the shared secret into out.

Returns the number of bytes written.

Errors

pub fn derive_len(&mut self) -> Result<usize, ErrorStack>

Query the required output length (call with empty slice).

Errors

Trait Implementations

impl Drop for DeriveCtx

fn drop(&mut self)

Executes the destructor for this type.