From c65058b7587fd3d001c57a50285477be521f5350 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Fri, 25 Oct 2019 12:41:12 -0700 Subject: crypto: skcipher - remove the "blkcipher" algorithm type Now that all "blkcipher" algorithms have been converted to "skcipher", remove the blkcipher algorithm type. The skcipher (symmetric key cipher) algorithm type was introduced a few years ago to replace both blkcipher and ablkcipher (synchronous and asynchronous block cipher). The advantages of skcipher include: - A much less confusing name, since none of these algorithm types have ever actually been for raw block ciphers, but rather for all length-preserving encryption modes including block cipher modes of operation, stream ciphers, and other length-preserving modes. - It unified blkcipher and ablkcipher into a single algorithm type which supports both synchronous and asynchronous implementations. Note, blkcipher already operated only on scatterlists, so the fact that skcipher does too isn't a regression in functionality. - Better type safety by using struct skcipher_alg, struct crypto_skcipher, etc. instead of crypto_alg, crypto_tfm, etc. - It sometimes simplifies the implementations of algorithms. Also, the blkcipher API was no longer being tested. Signed-off-by: Eric Biggers Signed-off-by: Herbert Xu --- crypto/essiv.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'crypto/essiv.c') diff --git a/crypto/essiv.c b/crypto/essiv.c index a8befc8fb06e..fc248de88590 100644 --- a/crypto/essiv.c +++ b/crypto/essiv.c @@ -486,7 +486,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) type = algt->type & algt->mask; switch (type) { - case CRYPTO_ALG_TYPE_BLKCIPHER: + case CRYPTO_ALG_TYPE_SKCIPHER: skcipher_inst = kzalloc(sizeof(*skcipher_inst) + sizeof(*ictx), GFP_KERNEL); if (!skcipher_inst) @@ -586,7 +586,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) base->cra_alignmask = block_base->cra_alignmask; base->cra_priority = block_base->cra_priority; - if (type == CRYPTO_ALG_TYPE_BLKCIPHER) { + if (type == CRYPTO_ALG_TYPE_SKCIPHER) { skcipher_inst->alg.setkey = essiv_skcipher_setkey; skcipher_inst->alg.encrypt = essiv_skcipher_encrypt; skcipher_inst->alg.decrypt = essiv_skcipher_decrypt; @@ -628,7 +628,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) out_free_hash: crypto_mod_put(_hash_alg); out_drop_skcipher: - if (type == CRYPTO_ALG_TYPE_BLKCIPHER) + if (type == CRYPTO_ALG_TYPE_SKCIPHER) crypto_drop_skcipher(&ictx->u.skcipher_spawn); else crypto_drop_aead(&ictx->u.aead_spawn); -- cgit v1.2.3