Struct MfaChallenge 

pub struct MfaChallenge {
    pub id: String,
    pub mfa_type: MfaType,
    pub user_id: String,
    pub created_at: DateTime<Utc>,
    pub expires_at: DateTime<Utc>,
    pub attempts: u32,
    pub max_attempts: u32,
    pub code_hash: Option<String>,
    pub message: Option<String>,
    pub data: HashMap<String, Value>,
}

Multi-factor authentication challenge.

Fields

id: String

Unique challenge ID

mfa_type: MfaType

Type of MFA required

user_id: String

User ID this challenge is for

created_at: DateTime<Utc>

When the challenge was created

expires_at: DateTime<Utc>

When the challenge expires

attempts: u32

Number of verification attempts made

max_attempts: u32

Maximum allowed attempts before the challenge is invalidated

code_hash: Option<String>

Hash of the expected OTP code (for Sms/Email/Totp methods). None for methods that verify externally (Push, SecurityKey).

message: Option<String>

Optional message or instructions to show the user

data: HashMap<String, Value>

Additional challenge data (e.g. masked phone, masked email, session token)

Implementations

impl MfaChallenge

pub fn new( mfa_type: MfaType, user_id: impl Into<String>, expires_in: Duration, ) -> Self

Create a new MFA challenge.

pub fn id(&self) -> &str

Get the challenge ID.

pub fn is_expired(&self) -> bool

Check if the challenge has expired.

pub fn with_message(self, message: impl Into<String>) -> Self

Trait Implementations

impl Clone for MfaChallenge

fn clone(&self) -> MfaChallenge

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MfaChallenge

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MfaChallenge

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MfaChallenge

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.