Struct HmacAuth 

pub struct HmacAuth { /* private fields */ }

HMAC authentication helper

Implementations

impl HmacAuth

pub fn new(secret: impl Into<String>) -> Self

Create a new HMAC authenticator with the given secret

pub fn sign(&self, timestamp: &str, nonce: &str, body: &str) -> String

Calculate HMAC signature for a message

Message format: {timestamp}:{nonce}:{body}

Arguments

• timestamp - Unix timestamp in seconds
• nonce - Unique nonce (UUID v4)
• body - JSON request body

Returns

Hex-encoded HMAC-SHA256 signature

pub fn verify( &self, timestamp: &str, nonce: &str, body: &str, signature: &str, ) -> bool

Verify an HMAC signature

Arguments

• timestamp - Unix timestamp in seconds
• nonce - Unique nonce
• body - JSON request body
• signature - Signature to verify

Returns

true if signature is valid, false otherwise