Struct SecurityKeySignature 

pub struct SecurityKeySignature {
    pub signature_der: Vec<u8>,
    pub flags: u8,
    pub counter: u32,
}

Result of an SK signing operation.

The signature blob for sk-ecdsa-sha2-nistp256@openssh.com is constructed from these three fields:

string  "sk-ecdsa-sha2-nistp256@openssh.com"
string  mpint(r) || mpint(s)   // extracted from signature_der
byte    flags
uint32  counter

Fields

signature_der: Vec<u8>

DER-encoded ECDSA P-256 signature (SEQUENCE { INTEGER r, INTEGER s }).

flags: u8

User-presence flags from the TPM authenticator data. Bit 0 = User Present (UP), Bit 2 = User Verified (UV).

counter: u32

Monotonic counter from the TPM, incremented on each assertion. Verifiers can check for replay/cloning by confirming counter increases.

Trait Implementations

impl Clone for SecurityKeySignature

fn clone(&self) -> SecurityKeySignature

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SecurityKeySignature

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

Formats the value using the given formatter.