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 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html