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2403705_zh-CN
2403705_zh-CN
你好，
我正在研究 i.MX95 上的 AHAB 安全启动支持，并想确认支持的签名密钥层次结构。
我了解到，某些 i.MX9 变体（例如 i.MX93）目前不支持 AHAB 容器签名的从属签名密钥 (SGK)，而仅支持基于 SRK 的签名，如这里所讨论的：
https://community.nxp.com/t5/i-MX-Processors/imx93-AHAB-SGK-support/td-p/2181212
请问 i.MX95 是否支持使用带有 CA 标志的 SRK 证书对 AHAB 启动容器进行从属密钥 (SGK) 签名，还是当前发布的 ELE 固件仅支持直接基于 SRK 的签名？
如果支持 SGK，能否也说明一下，支持是否取决于 i.MX95 芯片版本、ELE 固件版本、AHAB 容器格式或 BSP 版本？
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