Unverified50% confidenceFactExact time

现代电子书 DRM 通常基于对称加密（如 AES-128）结合公钥基础设施（PKI）实现内容保护

1

Sources

50%

Confidence

Long-term

Relevance

7/19/2026

First Seen

Sources

Open Book Touch: A Complete Guide to the Open-Source Pocket E-Reader

Related Claims

UnverifiedPKI依赖非对称加密算法如RSA、ECDSA，其安全性建立在大整数分解或椭圆曲线离散对数等数学难题上70% similar UnverifiedAuthenticated encryption (such as AES-GCM mode) can detect whether ciphertext has been tampered with while ensuring confidentiality.69% similar

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