Enum Profile 

pub enum Profile {
    Aes128CmHmacSha1_80,
}

An SRTP protection profile (RFC 5764 §4.1.2).

Only the one sipx can perform. §4.1.2 defines four; the two NULL profiles encrypt nothing, and offering AES128_CM_HMAC_SHA1_32 would mean an SRTP transform with a 32-bit tag that sipx_rtp::srtp does not implement. A profile list is a promise, so the list is short.

Variants

Aes128CmHmacSha1_80

AES-128 counter mode, 80-bit HMAC-SHA1 tag — the same transform SDES negotiates.

Implementations

impl Profile

pub fn as_str(self) -> &'static str

The name as the IANA registry and every DTLS API spell it.

pub fn id(self) -> u16

The two-byte value carried in the use_srtp extension (RFC 5764 §4.1.2).

pub fn key_and_salt_len(self) -> (usize, usize)

Master key and master salt lengths, in octets.

§4.1.2 states these in bits: a 128-bit key and a 112-bit salt. Fourteen octets of salt, not sixteen — the value that is easy to get wrong, and getting it wrong produces a key schedule that decrypts nothing with no error to say why.

pub fn exported_len(self) -> usize

How many octets to export from the handshake: 2 * (key + salt) (RFC 5764 §4.2).

Trait Implementations

impl Clone for Profile

fn clone(&self) -> Profile

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Profile

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for Profile

fn eq(&self, other: &Profile) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Profile

impl Eq for Profile

impl StructuralPartialEq for Profile