diff options
Diffstat (limited to 'crypto/echainiv.c')
| -rw-r--r-- | crypto/echainiv.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/crypto/echainiv.c b/crypto/echainiv.c index b6e43dc61356..d3896c7e634b 100644 --- a/crypto/echainiv.c +++ b/crypto/echainiv.c @@ -145,8 +145,8 @@ static int echainiv_encrypt(struct aead_request *req) aead_request_set_callback(subreq, req->base.flags, compl, data); aead_request_set_crypt(subreq, req->dst, req->dst, - req->cryptlen - ivsize, info); - aead_request_set_ad(subreq, req->assoclen + ivsize); + req->cryptlen, info); + aead_request_set_ad(subreq, req->assoclen); crypto_xor(info, ctx->salt, ivsize); scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1); @@ -166,7 +166,7 @@ static int echainiv_decrypt(struct aead_request *req) void *data; unsigned int ivsize = crypto_aead_ivsize(geniv); - if (req->cryptlen < ivsize + crypto_aead_authsize(geniv)) + if (req->cryptlen < ivsize) return -EINVAL; aead_request_set_tfm(subreq, ctx->geniv.child); @@ -180,16 +180,12 @@ static int echainiv_decrypt(struct aead_request *req) aead_request_set_ad(subreq, req->assoclen + ivsize); scatterwalk_map_and_copy(req->iv, req->src, req->assoclen, ivsize, 0); - if (req->src != req->dst) - scatterwalk_map_and_copy(req->iv, req->dst, - req->assoclen, ivsize, 1); return crypto_aead_decrypt(subreq); } -static int echainiv_init(struct crypto_tfm *tfm) +static int echainiv_init(struct crypto_aead *geniv) { - struct crypto_aead *geniv = __crypto_aead_cast(tfm); struct echainiv_ctx *ctx = crypto_aead_ctx(geniv); int err; @@ -212,7 +208,7 @@ static int echainiv_init(struct crypto_tfm *tfm) if (IS_ERR(ctx->null)) goto out; - err = aead_geniv_init(tfm); + err = aead_geniv_init(crypto_aead_tfm(geniv)); if (err) goto drop_null; @@ -227,9 +223,9 @@ drop_null: goto out; } -static void echainiv_exit(struct crypto_tfm *tfm) +static void echainiv_exit(struct crypto_aead *tfm) { - struct echainiv_ctx *ctx = crypto_tfm_ctx(tfm); + struct echainiv_ctx *ctx = crypto_aead_ctx(tfm); crypto_free_aead(ctx->geniv.child); crypto_put_default_null_skcipher(); @@ -262,13 +258,15 @@ static int echainiv_aead_create(struct crypto_template *tmpl, inst->alg.encrypt = echainiv_encrypt; inst->alg.decrypt = echainiv_decrypt; - inst->alg.base.cra_init = echainiv_init; - inst->alg.base.cra_exit = echainiv_exit; + inst->alg.init = echainiv_init; + inst->alg.exit = echainiv_exit; inst->alg.base.cra_alignmask |= __alignof__(u32) - 1; inst->alg.base.cra_ctxsize = sizeof(struct echainiv_ctx); inst->alg.base.cra_ctxsize += inst->alg.ivsize; + inst->free = aead_geniv_free; + done: err = aead_register_instance(tmpl, inst); if (err) |