Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Valmor de Almeida
On 03/11/2012 02:29 PM, Florian Philipp wrote: Am 11.03.2012 16:38, schrieb Valmor de Almeida: Hello, I have not looked at encryption before and find myself in a situation that I have to encrypt my hard drive. I keep /, /boot, and swap outside LVM, everything else is under LVM. I think all

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 12:55, schrieb Valmor de Almeida: On 03/11/2012 02:29 PM, Florian Philipp wrote: Am 11.03.2012 16:38, schrieb Valmor de Almeida: Hello, I have not looked at encryption before and find myself in a situation that I have to encrypt my hard drive. I keep /, /boot, and swap outside

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Michael Mol
On Tue, Mar 13, 2012 at 12:11 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 12:55, schrieb Valmor de Almeida: On 03/11/2012 02:29 PM, Florian Philipp wrote: Am 11.03.2012 16:38, schrieb Valmor de Almeida: Hello, I have not looked at encryption before and find myself in a

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 17:26, schrieb Michael Mol: On Tue, Mar 13, 2012 at 12:11 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 12:55, schrieb Valmor de Almeida: On 03/11/2012 02:29 PM, Florian Philipp wrote: Am 11.03.2012 16:38, schrieb Valmor de Almeida: Hello, I have not looked

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Neil Bothwick
On Tue, 13 Mar 2012 17:49:40 +0100, Florian Philipp wrote: Besides, I've already lost a poorly cooled HDD on a benchmark. Better than losing it on real data. -- Neil Bothwick Why do they call it a TV set when you only get one? signature.asc Description: PGP signature

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Michael Mol
On Tue, Mar 13, 2012 at 12:49 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 17:26, schrieb Michael Mol: On Tue, Mar 13, 2012 at 12:11 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 12:55, schrieb Valmor de Almeida: On 03/11/2012 02:29 PM, Florian Philipp

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Frank Steinmetzger
On Tue, Mar 13, 2012 at 05:11:47PM +0100, Florian Philipp wrote: Since I am planning to encrypt only home/ under LVM control, what kind of overhead should I expect? What do you mean with overhead? CPU utilization? In that case the overhead is minimal, especially when you run a 64-bit

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 18:45, schrieb Frank Steinmetzger: On Tue, Mar 13, 2012 at 05:11:47PM +0100, Florian Philipp wrote: Since I am planning to encrypt only home/ under LVM control, what kind of overhead should I expect? What do you mean with overhead? CPU utilization? In that case the overhead

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Michael Mol
On Tue, Mar 13, 2012 at 2:06 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 18:45, schrieb Frank Steinmetzger: On Tue, Mar 13, 2012 at 05:11:47PM +0100, Florian Philipp wrote: Since I am planning to encrypt only home/ under LVM control, what kind of overhead should I expect?

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 19:18, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:06 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 18:45, schrieb Frank Steinmetzger: On Tue, Mar 13, 2012 at 05:11:47PM +0100, Florian Philipp wrote: Since I am planning to encrypt only home/ under LVM

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Stroller
On 13 March 2012, at 18:18, Michael Mol wrote: ... So I assume the i586 version is better for you --- unless GCC suddenly got a lot better at optimizing code. Since when, exactly? GCC isn't the best compiler at optimization, but I fully expect current versions to produce better code for

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Michael Mol
On Tue, Mar 13, 2012 at 2:58 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 19:18, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:06 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 18:45, schrieb Frank Steinmetzger: On Tue, Mar 13, 2012 at 05:11:47PM +0100,

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 19:58, schrieb Florian Philipp: Am 13.03.2012 19:18, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:06 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 18:45, schrieb Frank Steinmetzger: On Tue, Mar 13, 2012 at 05:11:47PM +0100, Florian Philipp wrote: Since I am

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 20:13, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:58 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 19:18, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:06 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 18:45, schrieb Frank Steinmetzger:

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Michael Mol
On Tue, Mar 13, 2012 at 3:07 PM, Stroller strol...@stellar.eclipse.co.uk wrote: On 13 March 2012, at 18:18, Michael Mol wrote: ... So I assume the i586 version is better for you --- unless GCC suddenly got a lot better at optimizing code. Since when, exactly? GCC isn't the best compiler at

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Michael Mol
On Tue, Mar 13, 2012 at 3:30 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 20:13, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:58 PM, Florian Philipp li...@binarywings.net wrote: Am 13.03.2012 19:18, schrieb Michael Mol: On Tue, Mar 13, 2012 at 2:06 PM, Florian Philipp

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 20:07, schrieb Stroller: On 13 March 2012, at 18:18, Michael Mol wrote: ... So I assume the i586 version is better for you --- unless GCC suddenly got a lot better at optimizing code. Since when, exactly? GCC isn't the best compiler at optimization, but I fully expect

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
Am 13.03.2012 20:38, schrieb Michael Mol: On Tue, Mar 13, 2012 at 3:07 PM, Stroller strol...@stellar.eclipse.co.uk wrote: On 13 March 2012, at 18:18, Michael Mol wrote: ... So I assume the i586 version is better for you --- unless GCC suddenly got a lot better at optimizing code. Since

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Florian Philipp
This thread is becoming ridiculously long. Just as a last side-note: One of the primary reasons that the IA64 architecture failed was that it relied on the compiler to optimize the code in order to exploit the massive instruction-level parallelism the CPU offered. Compilers never became

Re: [gentoo-user] hard drive encryption

2012-03-13 Thread Frank Steinmetzger
On Tue, Mar 13, 2012 at 07:58:55PM +0100, Florian Philipp wrote: From what I can see in the kernel sources, there is a generic AES implementation using nothing but portable C code and then there is aes-i586 assembler code with aes_glue C code. So I assume the i586 version is better

[gentoo-user] hard drive encryption

2012-03-11 Thread Valmor de Almeida
Hello, I have not looked at encryption before and find myself in a situation that I have to encrypt my hard drive. I keep /, /boot, and swap outside LVM, everything else is under LVM. I think all I need to do is to encrypt /home which is under LVM. I use reiserfs. I would appreciate suggestion

Re: [gentoo-user] hard drive encryption

2012-03-11 Thread Florian Philipp
Am 11.03.2012 16:38, schrieb Valmor de Almeida: Hello, I have not looked at encryption before and find myself in a situation that I have to encrypt my hard drive. I keep /, /boot, and swap outside LVM, everything else is under LVM. I think all I need to do is to encrypt /home which is