linux-kernel - Re: Problem: non-SDHC 2GB SD cards are unreadable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <480343F2.3040401@zytor.com>
Date:	Mon, 14 Apr 2008 04:45:54 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	Alexia Death <alexiadeath@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: Problem: non-SDHC 2GB SD cards are unreadable

Arnd Bergmann wrote:
> 
> On the contrary, the USB card readers go through a lot of effort to
> make the card look like a SCSI device, and many of these implementations
> are buggy in some way. SD cards are defined to have 512 byte sectors, while
> USB mass storage can theoretically have a different sector size. Of course
> any other size than 512 bytes is likely to break some code, which you have
> experienced.
> 

Actually, I believe 2 GB (non-SDHC) *only* have 1024 byte sectors.

	-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/