On Tue, Jun 21, 2016 at 5:52 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> On Tue, Jun 21, 2016 at 5:42 PM, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
>> On Tue, Jun 21, 2016 at 10:43:40AM -0700, Andy Lutomirski wrote:
>>>
>>> Is there a straightforward way that bluetooth and, potentially, other
>>> drivers can just do synchronous crypto in a small buffer specified by
>>> its virtual address? The actual cryptography part of the crypto code
>>> already works this way, but I can't find an API for it.
>>
>> Yes, single block users should use crypto_cipher_encrypt_one, an
>> example would be drivers/md/dm-crypt.c.
>>
>
> Aha! I expected something like that to exist, but I couldn't find it.
> I'll change the two offenders I've found so far to use it.
>
Before I do this, can you explain what the difference is between
crypto_cipher and crypto_skcipher? net/bluetooth/smp.c currently uses
crypto_alloc_skcipher, which you added in:
commit 71af2f6bb22a4bf42663e10f1d8913d4967ed07f
Author: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Sun Jan 24 21:18:30 2016 +0800
Bluetooth: Use skcipher and hash
Am I just supposed to replace "skcipher" with "cipher" everywhere?
--Andy
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