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/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- 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