Re: Typo Report in Man Page - "fro stdin" and Question

[Shlomi F. <sh...@sh...>]

Hi Shachar,

On Thu, 21 Jun 2012 20:48:58 +0300
Shachar Shemesh <sh...@sh...> wrote:

> On 06/21/2012 06:06 PM, Shlomi Fish wrote:
> >> But despair not. You can achieve the equivalent level of security by
> >> encrypting your private key with a password, and storing it using the
> >> same provider you store your actual data. At this point in time
> >> rsyncrypto does not support decrypting from password protected RSA keys,
> >> but such support can be, fairly easily, added. Otherwise, in case of
> >> catastrophe, you can simply pull your encrypted key and decrypt is locally.
> >>
> > Thanks! I think that is also what Harold suggested.
> Same end result, give or take. Different mechanism.
> 
> RSA keys can be encrypted via a fairly standard fashion that has nothing
> to do with pgp or gpg. Openssl knows how to open such encrypted keys,
> and so will a future version of rsyncrypto.

I see - thanks for the clarification.

> >
> > BTW, do you think it would be possible to write an --rsyncable patch for xz
> > instead of gzip (see http://tukaani.org/xz/ ; http://en.wikipedia.org/wiki/Xz )
> I think you meant LZMA. 

Well, LZMA is the general algorithm while xz is my favourite implementation of
it.

> After spending a couple of minutes reading on
> it, my gut feeling is that turning it rsyncable in any meaningful way
> will greatly hurt the compression ratios you're used to seeing from it,
> negating the reason you wanted to use it to begin with. It achieves
> better compression ratios by having a very big lookback buffer (encoded
> as a dictionary), which is the exact opposite of rsyncability.

I see, OK.

Regards,

	Shlomi Fish

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