FidoLock Authentication Latency Dataset (N=40 Cold Taps, CTAP2-over-NFC)

Per-tap authentication latency measurements collected from a FidoLock prototype (ESP32-WROOM-32 + PN532 SPI + YubiKey 5 NFC). N=40 cold taps under consistent conditions (single enrolled credential, key fully removed from the NFC field between taps). Columns: run, detection_ms, challenge_ms, auth_ms, total_ms. Phases: (1) detection — NFC card detect; (2) challenge — CTAP2 GetAssertion NFC round-trip; (3) auth — ECDSA-P256 verification + LittleFS counter write. Collected in support of the IEEE ARGENCON 2026 paper "FidoLock: Offline FIDO2 Authentication on Embedded Hardware".本数据集采集自FidoLock原型机（ESP32-WROOM-32 + PN532 SPI + YubiKey 5 NFC）的单次触控认证延迟测量结果。共包含40次冷触控测试，所有测试均在一致受控条件下完成：仅配置单个已注册认证凭证，且每次触控之间均将密钥完全移出近场通信（NFC）场域。数据集字段包括：run（运行编号）、detection_ms（检测时延，单位：毫秒）、challenge_ms（质询时延，单位：毫秒）、auth_ms（认证时延，单位：毫秒）、total_ms（总时延，单位：毫秒）。各阶段说明如下：(1) 检测阶段：近场通信（NFC）卡检测；(2) 质询阶段：CTAP2协议GetAssertion指令的NFC往返交互流程；(3) 认证阶段：椭圆曲线数字签名算法-256位（ECDSA-P256）验证与LittleFS计数器写入操作。本数据集为支撑IEEE ARGENCON 2026会议论文《FidoLock：嵌入式硬件上的离线FIDO2认证》所采集。