Re: Integrity checking of OS images

2011-02-07 Thread Sridhar Dhanapalan
On 8 February 2011 08:39, James Cameron wrote: > On Tue, Feb 08, 2011 at 01:01:36AM +1100, Sridhar Dhanapalan wrote: >> Are OS images checked for integrity by the XO before they are written >> to the flash storage? I suspect not. > > As Chris said, yes. > > The image is checked for transmission in

Re: Integrity checking of OS images

2011-02-07 Thread James Cameron
On Tue, Feb 08, 2011 at 01:01:36AM +1100, Sridhar Dhanapalan wrote: > Are OS images checked for integrity by the XO before they are written > to the flash storage? I suspect not. As Chris said, yes. The image is checked for transmission integrity *as* it is written to the flash storage [1], not b

Re: Integrity checking of OS images

2011-02-07 Thread Chris Ball
Hi, > Are OS images checked for integrity by the XO before they are > written to the flash storage? I suspect not. Yes. - Chris. -- Chris Ball One Laptop Per Child ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo

Integrity checking of OS images

2011-02-07 Thread Sridhar Dhanapalan
Are OS images checked for integrity by the XO before they are written to the flash storage? I suspect not. The schools we deal with don't always have reliable Internet, so some failsafe mechanism to prevent them from using damaged images would be helpful. We can't expect them to learn md5sum to ch