[aerogear-dev] Fwd: JavaScript Crypto
Lucas Holmquist
lholmqui at redhat.com
Mon Sep 23 15:01:12 EDT 2013
Begin forwarded message:
> From: Kris Borchers <kris at redhat.com>
> Subject: Re: [aerogear-dev] JavaScript Crypto
> Date: September 23, 2013 2:07:42 PM EDT
> To: AeroGear Developer Mailing List <aerogear-dev at lists.jboss.org>
> Reply-To: AeroGear Developer Mailing List <aerogear-dev at lists.jboss.org>
>
>
> On Sep 23, 2013, at 1:04 PM, Lucas Holmquist <lholmqui at redhat.com> wrote:
>
>>
>> On Sep 23, 2013, at 2:01 PM, Kris Borchers <kris at redhat.com> wrote:
>>
>>>
>>> On Sep 23, 2013, at 12:40 PM, Kris Borchers <kris at redhat.com> wrote:
>>>
>>>>
>>>> On Sep 20, 2013, at 10:05 AM, Bruno Oliveira <bruno at abstractj.org> wrote:
>>>>
>>>>> Good morning slackland, following with the plan I started a simple draft
>>>>> for JavaScript (https://github.com/abstractj/cryptoparty-js) we have
>>>>> several alternatives outside there the most popular are Crypto-js
>>>>> (https://code.google.com/p/crypto-js/) and the Stanford crypto library
>>>>> (http://crypto.stanford.edu/sjcl/).
>>>>>
>>>>> Before I finish the whole implementation I have some questions:
>>>>>
>>>>> - Currently crypto-js doesn't have support for GCM or ECC, but sjcl has.
>>>>> That's the reason why my choice was sjcl instead of crypto-js, but if
>>>>> you have another good alternative, let me know.
>>>>
>>>> +1 for sjcl if you think it offers everything we need
>>>>>
>>>>> - Create wrappers or not? If you read the unit tests at first glance (at
>>>>> least for me) looks like is too much. Most part of developers are
>>>>> looking for security by default.
>>>>
>>>> +1 I would like us to provide methods like encrypt or decrypt which use default values which we choose because we have researched and feel they are the best option for devs.
>>>>> My idea is not to hide the library, but
>>>>> provide a simple interface like:
>>>>>
>>>>> Crypto crypto = new Crypto;
>>>>> ciphertext = crypto. encrypt("blah");
>>>>> crypto.decrypt(ciphertext);
>>>>
>>>> I agree with this syntax in spirit but not execution. ;) JS doesn't have types like Crypto crypto, just var crypto. I would also prefer to follow the pattern we use in the rest of AeroGear.js to allow for instantiation without the use of the `new` keyword'. You can see the source of the other modules or ping me for details.
>>>
>>> Now that I think about it, if this is just for encryption and decryption, I think this would look better and be more user friendly in AeroGear.core. That way, a user doesn't even have to instantiate and object, they just use our shortcut methods to call into sjcl. For example:
>>>
>>> AeroGear.encrypt("blah");
>>> AeroGear.decrypt( cipherText );
>>>
>>> Those should be really easy to implement too and that will keep the size of the library way down. :)
>>
>> that could be nice, but what if a user doesn't want those methods, i wonder if it would make sense to have a security.core or something,
>
> That would be fine. We could build it as a separate module that just gets tacked onto Core if they want it that way they can leave it and sjcl out if they don't want it.
>>
>>>>>
>>>>> Advanced users looking for another kind of algorithm/implementation or
>>>>> whatever would still be able to make use of the plain and straight
>>>>> crypto library.
>>>>
>>>> +1 and we should provide examples at least in the docs
>>>>>
>>>>> - What is the best way to package this library? Bower?
>>>>
>>>> If we're going to create some sort of wrapper object then it would just be part of AeroGear.js and by doing that would be packaged and available via Bower.
>>>>>
>>>>> Thoughts?
>>>>
>>>> Great start and great thoughts!
>>>>>
>>>>> --
>>>>> abstractj
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> aerogear-dev mailing list
>>>>> aerogear-dev at lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/aerogear-dev
>>>>
>>>>
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