Function compute_hmac

nodedb/src/control/security/siem.rs:202–218

Compute HMAC-SHA256 signature for webhook payload.

(secret: &str, message: &str)

/// Compute HMAC-SHA256 signature for webhook payload.
fn compute_hmac(secret: &str, message: &str) -> String {
    use hmac::{Hmac, Mac};
    use sha2::Sha256;

    type HmacSha256 = Hmac<Sha256>;

    let Ok(mut mac) = HmacSha256::new_from_slice(secret.as_bytes()) else {
        return String::new();
    };
    mac.update(message.as_bytes());
    let result = mac.finalize();
    result
        .into_bytes()
        .iter()
        .map(|b| format!("{b:02x}"))
        .collect()
}

#[cfg(test)]
mod tests {