LCDMA: Lightweight Cross-Domain Mutual Identity Authentication Scheme for Internet of Things

With the widespread popularity of mobile terminals in Internet Things (IoT), demand for cross-domain access between different regions has also increased significantly. The nature wireless communication media makes vulnerable to security threats access. Identity authentication is a prerequisite secure data transmission cross-domain, and it first step guarantee credibility sources. Most existing schemes are based on bilinear pairing or public-key encryption decryption with high computation overhead, which not suitable resource-limited IoT terminals. Moreover, these have some drawbacks cannot meet requirements In this article, we propose lightweight mutual identity (LCDMA) environment. LCDMA uses symmetric polynomial instead high-complexity traditional schemes. We theoretically analyze performance under random oracle model. Our results show that only resists common attacks but preserves traceability while guaranteeing anonymity. Performance evaluation further demonstrates our scheme better terms compared other representative