On 21 Feb 2014, at 13:35, Saravanan V <saru2020(a)gmail.com> wrote:
Thanks & Regards,.
Saravanan V
On Fri, Feb 21, 2014 at 4:53 PM, Corinne Krych <corinnekrych(a)gmail.com> wrote:
On 21 Feb 2014, at 10:42, Saravanan V <saru2020(a)gmail.com> wrote:
> Hello Everyone,
>
> I just viewed the AeroGear-Crypto-iOS Library here :
>
https://github.com/aerogear/aerogear-crypto-ios
>
> Can someone answer few of my questions:
> * What is the Algorithm being used for Encryption/Decryption?
For symmetric we currently use common crypto and CBC mode (see
http://aerogear.org/docs/guides/iOSCookbook/#crypto)
but we plan for the next release to go with NaCi lib (for a broader range of algorithms -
GCM )
--> The GitHub sample does provide Asymmetric example.
So, what is the Algorithm used for Asymmetric ??
> * What is the Key Length used? (Can we use 1024?)
not yet
--> "AGRandomGenerator" does provide an API to get random bytes.
[AGRandomGenerator randomBytes:<length>];
So, does it mean that we could have the key in any size??
Nope the fact that AGRandomGenerator take length as parameter is because it is a generic
random generator (defaulted to 16bytes)
but for for Asymm we check the length of key:
https://github.com/aerogear/aerogear-crypto-ios/blob/master/crypto-sdk/AG...
32bytes.
For asymmetric cryptography, we use ed25519.
> * What is the algorithm used for Digital Signature ?
coming soon
I leave that one for our security @abstractj ;)
>
>
> Thanks & Regards,.
> Saravanan V
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