红帽全球峰会3.2. 允许的密钥算法及其大小
红帽证书系统支持以下密钥算法和大小（如果它们由底层 PKCS facilities 模块提供）。
允许的 RSA 密钥大小：
- 2048 位或更高
允许 EC curves 或等同于 FIPS PUB 186-4 标准中定义的：
- nistp256
- nistp384
- nistp521
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