IIRC - the library (OpenSSL) supports these encryption algorithms, but
the bacula-encryption code needs to be written.
[non-programmer] In principle, it would not be hard to implement, all is
needed is the right "call" to the openssl and config options in Bacula
[\non-programmer]
That aside - What are the business/technical reasons for using bf?
Speed-wise it is a wash, probably depends on a library more than
anything else. Security-wise - AES is "better". Both algorithms are
"open"...
Blowfish was a fine answer to 3DES, but it is not on the same playing
field as AES and Twofish.
# openssl speed aes-128-cbc bf-cbc
The 'numbers' are in 1000s of bytes per second processed.
type 16 b 64 b 256 b 1024 b 8192 b
blowfish cbc 91461.62k 97600.49k 99258.20k 99444.35k 99784.02k
aes-128 cbc 46126.84k 82429.31k 104437.03k 111145.50k 112984.28k
Vladimir
Chris Howells wrote:
> Hi,
>
> According to the manual bacula supports encryption using Blowfish,
> although I am having trouble working out how to make Bacula use this,
> rather than the standard, which appears to be AES.
>
> The manual states:
>
> " the back-end implementation currently supports:
>
> Symmetric Encryption:
> - 128, 192, and 256-bit AES-CBC
> - Blowfish-CBC"
>
> However the source says:
>
> src/dird/inc_conf.c: {"blowfish", INC_KW_ENCRYPTION, "B"}, /*
> ***FIXME*** not implemented */
>
> So the manual seems to say it should work, the source seems to state
> that it doesn't. Which is correct? And if blowfish is supported, how do
> I make it use blowfish instead of AES ?
>
> Thanks.
>
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