[web-devel] [Haskell-cafe] [ANNOUNCE] First release of crypto-conduit

[Aristid Breitkreuz]

And while we're at it, some code to deal with the cumbersome decoding of
those hash objects would be nice!

Cheers,

Aristid
Am 07.01.2012 11:07 schrieb "Greg Weber" <greg at gregweber.info>:

> great!
>
> I am wondering if you can provide even higher-level APIs for the common
> case:
>
> hash <- runResourceT $ hashFile "my-file"
>
> and possibly something that runs the ResourceT transformer:
>
> hash <- runHashFile "my-file"
>
> On Sat, Jan 7, 2012 at 12:16 AM, Felipe Almeida Lessa <
> felipe.lessa at gmail.com> wrote:
>
>> Hello!
>>
>> I'm pleased to announce the first release of crypto-conduit [1]!  The
>> crypto-api [2] package provides APIs for many cryptographic
>> operations, such as cryptographic hashes and block ciphers.  This new
>> crypto-conduit package allows you to use many of these operations with
>> conduits [3], giving you safe I/O using constant memory and no leaks.
>>
>> As an example, here's how you could get the SHA1 hash a file:
>>
>>  import Crypto.Conduit -- from crypto-conduit
>>  import Crypto.Hash.SHA1 (SHA1) -- from cryptohash
>>  import Data.Conduit -- from conduit
>>  import Data.Conduit.Binary (sourceFile) -- from conduit
>>
>>  main = do
>>    hash <- runResourceT $ sourceFile "my-file" $$ sinkHash
>>    print (hash :: SHA1)
>>
>> The code snippet above, despite having only "sourceFile ... $$
>> sinkHash" on its core, guarantees that the file handle is not kept
>> open and uses a constant amount of memory.  Sweet!
>>
>> Please break this package!  Although it comes with a test suite, it
>> has just seen the light of the day.
>>
>> Cheers, =)
>>
>> [1] http://hackage.haskell.org/package/crypto-conduit
>> [2] http://hackage.haskell.org/package/crypto-api
>> [3] http://hackage.haskell.org/package/conduit
>>
>> --
>> Felipe.
>>
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>>
>
>
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