WeChat Client Technology Team
Sep 28, 2017 · Information Security
How Tencent’s SOTER Secures Fingerprint Payments on Android
This article examines the challenges of implementing fingerprint‑based payment on Android, explains why early Android versions lacked a unified API, describes how Google’s FingerprintManager and TEE improve security, and details Tencent’s open‑source SOTER framework—including its key hierarchy, authentication flow, and integration steps—for building robust, low‑overhead biometric payment solutions.
Android SecurityKey ManagementOpen Source
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