Added [in-progress] Developer Guides

[AGL/documentation.git] / docs / 2_Architecture_Guides / 2.2_Security_Blueprint / 2_Secure_Boot / 1.2.2.0_Abstract.md

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
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-edit_link: ''
 title: Introduction
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-  https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/0_Abstract.md
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 # 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.
 
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