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MCIMX6S5EVM10ACR 用户编程技术手册 - NXP（恩智浦）
制造商:
NXP（恩智浦）
分类:
微处理器
封装:
BGA-624
描述:
微处理器, i.MX 6 Solo系列, 32位, 1GHz, 1.35V至1.5V, MAPBGA-624
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MCIMX6S5EVM10ACR数据手册
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SRK Revocation on i.MX 6 Series
Secure Boot on i.MX50, i.MX53, and i.MX 6 Series using HABv4, Rev. 1, 10/2015
2 Freescale Semiconductor, Inc.
It is assumed that the reader is familiar with the basics of digital signatures and public key certificates.
1.3. Scope
This document is a practical example to illustrate the construction of a secure boot image, in addition to
configuring the target device to run securely. Extending the secure boot chain past the initial stage is
also possible with HAB, but that is beyond the scope of this document.
This document answers the following questions:
How is the hardware configured?
What components are required?
How is each of these different components generated?
How are all these components assembled to create a signed image?
NOTE
This document covers secure boot using i.MX6. HABv4 is present on the
following i.MX processors: i.MX50, i.MX53, and i.MX 6 Series. This
document applies to all HABv4 processors. Secure boot features for other
processors, such as i.MX25, i.MX35, and i.MX51, which use HABv3, are
documented in Secure Boot on i.MX25, i.MX35, and i.MX51 using HAB3
application note (document AN4547).
NOTE
Secure boot features for i.MX28 are documented in Secure Boot with
i.MX28 HAB v4 application note (document AN4555). i.MX28 supports
HABv4, but its boot architecture is significantly different from other
processors in the i.MX family.
NOTE
Secure boot using HAB is no longer supported on i.MQX27 and
i.MQX31.
1.4. Definitions, Acronyms, and Abbreviations
Definitions of the terms and acronyms in this document are as follows:
CA: Certificate Authority, the holder of a private key used to certify public keys.
CAAM: Cryptographic Acceleration and Assurance Module, an accelerator for encryption,
stream cipher, and hashing algorithms, with a random number generator and run time integrity
checker.
CMS: Cryptographic Message Syntax, a general format for data that may have cryptography
applied to it, such as digital signatures and digital envelopes. HAB uses the CMS as a container
holding PKCS#1 signatures.
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