NIST SP 800-147,BIOS 保护指南
( NIST SP 800-147 [1]、NIST SP 800-147B [2])解决了 BIOS 的保护问题
可从此处免费获得:
https://doi.org/10.6028/NIST.SP.800-193
摘要
此文档提供了关于支持平台固件和数据对抗潜在地具有破坏性的攻击的弹性的技术指导意见和建议。平台是启动和运行一台系统所需的功能硬件和固件的集合。针对平台固件的成功攻击可以使得系统不可运行,可能是永久的,或者要求由原始制造商重新编程,造成对用户的重大妨碍。此文档中的指导意见通过描述下列安全机制来提升平台的弹性:保护平台防止非授权更改、检测已发生的非授权更改,以及快速和安全地从攻击中恢复。包括原始设备制造商(OEM)和组件/设备提供商在内的实现者可以利用这些指导意见以便在平台中构建更强的安全机制。系统管理员、安全专业人士和用户可以利用此文档以便为未来的系统指导采购策略和优先级。
关键字
BIOS;代码签名;固件;Option ROM;平台固件
NIST SP 800-193: BIOS 平台固件弹性指南
固件开发 bios ,可信 安全
认证更新机制
完整性保护
不可绕过性
可信根(RoT)和信任链(CoT)
平台固件的保护、检测、恢复
- 固件更新镜像将要使用如同 FIPS 186-4,数字签名标准 [7] 所具体说明的一种受批准的数字签名算法签名,它具有至少 112 位的安全强度,以符合 SP 800-57,关于密钥管理的建议——第 1 部分:总则 [8] 的要求
- 每一个固件更新镜像将要由某个授权实体——通常是设备制造商、平台厂商或者可信的第三方——签名以满足 SP 800-89,关于获取用于数字签名应用程序的担保的建议 [9] 的要求
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引用
- [1] D. Cooper, W. Polk, A. Regenscheid, and M. Souppaya, BIOS Protection Guidelines, NIST Special Publication (SP) 800-147, National Institute of Standards and Technology, Gaithersburg, Maryland, April 2011, 26pp. https://doi.org/10.6028/NIST.SP.800-147
- [2] A. Regenscheid., BIOS Protection Guidelines for Servers, NIST Special Publication (SP) 800-147B, National Institute of Standards and Technology, Gaithersburg, Maryland, August 2014, 32pp. https://doi.org/10.6028/NIST.SP.800-147B
- [3] Specifications, Unified Extensible Firmware Interface Forum [Web site], Specifications | Unified Extensible Firmware Interface Forum [accessed 5/2/18]
- [4] TPM Library Specification, Trusted Computing Group [Web site], TPM 2.0 Library | Trusted Computing Group [accessed 5/2/18]
- [5] S. Bradner, Key words for use in RFCs to Indicate Requirement Levels, RFC 2119, Internet Engineering Task Force, March 1997, 2pp, Information on RFC 2119 » RFC Editor
- [6] U.S. Department of Commerce. Secure Hash Standard, Federal Information Processing Standards (FIPS) Publication 180-4, August 2015, 36pp. https://doi.org/10.6028/NIST.FIPS.180-4
- [7] U.S. Department of Commerce. Digital Signature Standard, Federal Information Processing Standards (FIPS) Publication 186-4, July 2013, 130pp. https://doi.org/10.6028/NIST.FIPS.186-4
- [8] E. Barker, Recommendation for Key Management, Part 1: General, NIST Special Publication (SP) 800-57 Part 1 Revision 4, National Institute of Standards and Technology, Gaithersburg, Maryland, January 2016, 160pp. https://doi.org/10.6028/NIST.SP.800-57pt1r4
- [9] E. Barker, Recommendation for Obtaining Assurances for Digital Signature Applications, NIST Special Publication (SP) 800-89, National Institute of Standards and Technology, Gaithersburg, Maryland, November 2006, 38pp. https://doi.org/10.6028/NIST.SP.800-89
- [10] International Council for Systems Engineering, “Resilient Systems Working Group Charter,” November 2011.
- [11] R. Ross, R. Graubart, D. Bodeau, and R. McQuaid, Systems Security Engineering: Cyber Resiliency Considerations for the Engineering of Trustworthy Secure Systems, NIST Special Publication 800-160 Volume 2 (DRAFT), National Institute of Standards and Technology, Gaithersburg, Maryland, March 2018, 158pp. https://csrc.nist.gov/CSRC/media/Publications/sp/800-160/vol-2/draft/documents/sp800-160-vol2-draft.pdf
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