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Diffstat (limited to 'docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md')
| -rw-r--r-- | docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md index 9095b62..73a0cab 100644 --- a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md +++ b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md @@ -1,12 +1,7 @@ --- -edit_link: '' title: Introduction -origin_url: >- - https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/0_Abstract.md --- -<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml --> - # Part 2 - Secure boot ## Abstract @@ -20,9 +15,10 @@ Boot-Abstract-1 | More generic and add examples (The chain of trust). <!-- end-section-todo --> Secure boot refers to preventing malicious software applications and -“unauthorized” operating systems from loading during the system start-up process. -The goal is to protect users from rootkits and other low-level malware attacks. -Modern bootloaders come with features that can be used to enable secure boot in the system. +“unauthorized” operating systems from loading during the system start-up +process. The goal is to protect users from rootkits and other low-level malware +attacks. Modern bootloaders come with features that can be used to enable secure +boot in the system. **Boot Hardening**: Steps/requirements to configure the boot sequence, in order to restrict the device from executing anything other than the approved software @@ -51,14 +47,14 @@ Boot-Abstract-1 | Review the definition of the "boot loader". <!-- end-section-todo --> -**Boot loader**: The boot loader consists of the Primary boot loader residing -in **OTP** memory, sboot, U-Boot and Secure loader residing in external flash -(NAND or SPI/NOR flash memory). The CPU on power on or reset executes the -primary boot loader. The **OTP** primary boot loader makes the necessary initial -system configuration and then loads the secondary boot loader sboot from -external flash memory to ram memory. The sboot then loads the U-Boot along with -the Secure loader. U-Boot then verifies the Kernel/system image integrity, then -loads the Kernel/system image before passing control to it. +**Boot loader**: The boot loader consists of the Primary boot loader residing in +**OTP** memory, sboot, U-Boot and Secure loader residing in external flash (NAND +or SPI/NOR flash memory). The CPU on power on or reset executes the primary boot +loader. The **OTP** primary boot loader makes the necessary initial system +configuration and then loads the secondary boot loader sboot from external flash +memory to ram memory. The sboot then loads the U-Boot along with the Secure +loader. U-Boot then verifies the Kernel/system image integrity, then loads the +Kernel/system image before passing control to it. -------------------------------------------------------------------------------- |