Re: [PATCH] crypto: allow to assign gfp_t for __crypto_alloc_tfm

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On Tue, May 19, 2015 at 12:13:17AM -0700, Jaegeuk Kim wrote:
>
> The key generation is done by ext4_generate_encryption_key in
> fs/ext4/crypto_key.c.
> And, ext4_file_mmap and ext4_file_open trigger it.

Well that's where you should be doing crypto_alloc_ablkcipher
and crypto_ablkcipher_setkey.

The whole point of a crypto tfm is to represent a key so any time
you get one you should create a crypto tfm.  Carrying around a raw
key is just wrong.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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