[U-Boot-Users] boot a compressed and an encrypted root filesystem ..

Dear All,
Can u-boot, boot a compressed and an encrypted root filesystem .. ?
Regards Wildan

In message 4a93f8270707132230r7c4f7612r2c367c14be622adf@mail.gmail.com you wrote:
Can u-boot, boot a compressed and an encrypted root filesystem .. ?
No, it cannot. U-Boot cannot boot any file systems at all.
U-Boot can boot an OS image, like a Linux kernel image. Linux in turn will then mount a root file system, but if this can be a compressed and encrypted one depends on your Linux system, not on U-Boot.
Best regards,
Wolfgang Denk

Dear Wolfgang,
Thanks for the reply ..,
Can u-boot, boot a compressed and an encrypted root filesystem .. ?
No, it cannot. U-Boot cannot boot any file systems at all.
U-Boot can boot an OS image, like a Linux kernel image. Linux in turn will then mount a root file system, but if this can be a compressed and encrypted one depends on your Linux system, not on U-Boot.
I see..,
Here is my scenario, i have ngw100 (board based on avr32) and i want the root filesystem, which is reside in mmc/sdcard, to be encrypted. According to your answer, to be able to do this (boot an encrypted root filesystem), i just have to hack the linux kernel image so it can boot an encrypted root right ?
At the loop-aes readme (http://loop-aes.sourceforge.net/loop-AES.README) there is a method to encrypt the root filesystem, (7.5. Example 5 - Encrypting root partition), how can i applied this to the my environtment ? Can you give a clue ?
Regards Wildan
-- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de Experience is what causes a person to make new mistakes instead of old ones.

In message 4a93f8270707140230l48fee618t349911faa02f738d@mail.gmail.com you wrote:
At the loop-aes readme (http://loop-aes.sourceforge.net/loop-AES.README) there is a method to encrypt the root filesystem, (7.5. Example 5 - Encrypting root partition), how can i applied this to the my environtment ? Can you give a clue ?
No, I cannot, and it is off topic on this list.
Best regards,
Wolfgang Denk

On 7/14/07, W wildan.m@gmail.com wrote:
Here is my scenario, i have ngw100 (board based on avr32) and i want the root filesystem, which is reside in mmc/sdcard, to be encrypted. According to your answer, to be able to do this (boot an encrypted root filesystem), i just have to hack the linux kernel image so it can boot an encrypted root right ?
Can't you just store the kernel image in the on-board flash?
Håvard
participants (3)
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Håvard Skinnemoen
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W
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Wolfgang Denk