[strongSwan] RNGs and OpenSSL

[Noel Kuntze]

Correct.

On 09.11.2017 21:38, Jafar Al-Gharaibeh wrote:
> Noel,
> 
>   Thank you for the quick response. I did search through the documentation and also the source code, but didn't find definitive answers to my questions. Do you  have some pointers?
> 
> I did see this in the man page which addresses my last question:
> 
>  charon.plugins.openssl.engine_id [pkcs11]
>               ENGINE ID to use in the OpenSSL plugin.
> 
> charon.plugins.openssl.fips_mode [0]
>               Set OpenSSL FIPS mode: disabled(0), enabled(1), Suite B enabled(2).
> 
> 
> So, are these the only available options?
> 
> Thank you in advance,
> Jafar
> 
> On 11/9/2017 2:29 PM, Noel Kuntze wrote:
>> Use the power of documentation (man pages).
>>
>> On 09.11.2017 21:22, Jafar Al-Gharaibeh wrote:
>>> Hi,
>>>
>>>    I am compiling  StrongSwan with these options:
>>>
>>> --enable-openssl    #enables the OpenSSL crypto plugin.
>>> #--enable-rdrand      # don't enable Intel RDRAND random generator plugin.
>>> --disable-random    #disable RNG implementation on top of /dev/(u)random.
>>>
>>> Looking through the code, OpenSSL plugin itself provides an RNG plugin so I thought the above configuration
>>> will make sure I'm using the OpenSSL RNG.  Is my assumption correct?
>>>
>>> what if I enable rdrand above does that  become  the default for all random numbers used by strongswan ignoring OpenSSL's RNG?
>>>
>>> Does enabling those other RNG plugins have any effect on OpenSSL itself? I.e is there  a way to set OpenSSL's RNG directly from Strongswan?
>>>
>>> For OpenSSL (and other plugins), where do I find a list of all supported configuration options? for example I found the following example on strongswan website, what other  options I can set/unset there?
>>>
>>> charon {
>>>      load_modular = yes
>>>          interfaces_use = eth0
>>>      plugins {
>>>                  openssl {
>>>                       fips_mode = 0
>>>                  }
>>>          include strongswan.d/charon/*.conf
>>>      }
>>> }
>>>
>>>
>>>
>>> Many Thanks,
>>> Jafar
> 

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