diff options
| -rw-r--r-- | crypto/authenc.c | 107 |
1 files changed, 56 insertions, 51 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c index 309fbc17222d..a7e1ac786c5d 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -32,8 +32,8 @@ struct authenc_instance_ctx { struct crypto_authenc_ctx { struct crypto_ahash *auth; - struct crypto_ablkcipher *enc; - struct crypto_blkcipher *null; + struct crypto_skcipher *enc; + struct crypto_skcipher *null; }; struct authenc_request_ctx { @@ -83,7 +83,7 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key, { struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc); struct crypto_ahash *auth = ctx->auth; - struct crypto_ablkcipher *enc = ctx->enc; + struct crypto_skcipher *enc = ctx->enc; struct crypto_authenc_keys keys; int err = -EINVAL; @@ -100,11 +100,11 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key, if (err) goto out; - crypto_ablkcipher_clear_flags(enc, CRYPTO_TFM_REQ_MASK); - crypto_ablkcipher_set_flags(enc, crypto_aead_get_flags(authenc) & - CRYPTO_TFM_REQ_MASK); - err = crypto_ablkcipher_setkey(enc, keys.enckey, keys.enckeylen); - crypto_aead_set_flags(authenc, crypto_ablkcipher_get_flags(enc) & + crypto_skcipher_clear_flags(enc, CRYPTO_TFM_REQ_MASK); + crypto_skcipher_set_flags(enc, crypto_aead_get_flags(authenc) & + CRYPTO_TFM_REQ_MASK); + err = crypto_skcipher_setkey(enc, keys.enckey, keys.enckeylen); + crypto_aead_set_flags(authenc, crypto_skcipher_get_flags(enc) & CRYPTO_TFM_RES_MASK); out: @@ -184,12 +184,15 @@ static int crypto_authenc_copy_assoc(struct aead_request *req) { struct crypto_aead *authenc = crypto_aead_reqtfm(req); struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc); - struct blkcipher_desc desc = { - .tfm = ctx->null, - }; + SKCIPHER_REQUEST_ON_STACK(skreq, ctx->null); - return crypto_blkcipher_encrypt(&desc, req->dst, req->src, - req->assoclen); + skcipher_request_set_tfm(skreq, ctx->null); + skcipher_request_set_callback(skreq, aead_request_flags(req), + NULL, NULL); + skcipher_request_set_crypt(skreq, req->src, req->dst, req->assoclen, + NULL); + + return crypto_skcipher_encrypt(skreq); } static int crypto_authenc_encrypt(struct aead_request *req) @@ -199,10 +202,10 @@ static int crypto_authenc_encrypt(struct aead_request *req) struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc); struct authenc_instance_ctx *ictx = aead_instance_ctx(inst); struct authenc_request_ctx *areq_ctx = aead_request_ctx(req); - struct crypto_ablkcipher *enc = ctx->enc; + struct crypto_skcipher *enc = ctx->enc; unsigned int cryptlen = req->cryptlen; - struct ablkcipher_request *abreq = (void *)(areq_ctx->tail + - ictx->reqoff); + struct skcipher_request *skreq = (void *)(areq_ctx->tail + + ictx->reqoff); struct scatterlist *src, *dst; int err; @@ -217,12 +220,12 @@ static int crypto_authenc_encrypt(struct aead_request *req) dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen); } - ablkcipher_request_set_tfm(abreq, enc); - ablkcipher_request_set_callback(abreq, aead_request_flags(req), - crypto_authenc_encrypt_done, req); - ablkcipher_request_set_crypt(abreq, src, dst, cryptlen, req->iv); + skcipher_request_set_tfm(skreq, enc); + skcipher_request_set_callback(skreq, aead_request_flags(req), + crypto_authenc_encrypt_done, req); + skcipher_request_set_crypt(skreq, src, dst, cryptlen, req->iv); - err = crypto_ablkcipher_encrypt(abreq); + err = crypto_skcipher_encrypt(skreq); if (err) return err; @@ -238,8 +241,8 @@ static int crypto_authenc_decrypt_tail(struct aead_request *req, struct authenc_instance_ctx *ictx = aead_instance_ctx(inst); struct authenc_request_ctx *areq_ctx = aead_request_ctx(req); struct ahash_request *ahreq = (void *)(areq_ctx->tail + ictx->reqoff); - struct ablkcipher_request *abreq = (void *)(areq_ctx->tail + - ictx->reqoff); + struct skcipher_request *skreq = (void *)(areq_ctx->tail + + ictx->reqoff); unsigned int authsize = crypto_aead_authsize(authenc); u8 *ihash = ahreq->result + authsize; struct scatterlist *src, *dst; @@ -255,13 +258,13 @@ static int crypto_authenc_decrypt_tail(struct aead_request *req, if (req->src != req->dst) dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen); - ablkcipher_request_set_tfm(abreq, ctx->enc); - ablkcipher_request_set_callback(abreq, aead_request_flags(req), - req->base.complete, req->base.data); - ablkcipher_request_set_crypt(abreq, src, dst, - req->cryptlen - authsize, req->iv); + skcipher_request_set_tfm(skreq, ctx->enc); + skcipher_request_set_callback(skreq, aead_request_flags(req), + req->base.complete, req->base.data); + skcipher_request_set_crypt(skreq, src, dst, + req->cryptlen - authsize, req->iv); - return crypto_ablkcipher_decrypt(abreq); + return crypto_skcipher_decrypt(skreq); } static void authenc_verify_ahash_done(struct crypto_async_request *areq, @@ -313,20 +316,20 @@ static int crypto_authenc_init_tfm(struct crypto_aead *tfm) struct authenc_instance_ctx *ictx = aead_instance_ctx(inst); struct crypto_authenc_ctx *ctx = crypto_aead_ctx(tfm); struct crypto_ahash *auth; - struct crypto_ablkcipher *enc; - struct crypto_blkcipher *null; + struct crypto_skcipher *enc; + struct crypto_skcipher *null; int err; auth = crypto_spawn_ahash(&ictx->auth); if (IS_ERR(auth)) return PTR_ERR(auth); - enc = crypto_spawn_skcipher(&ictx->enc); + enc = crypto_spawn_skcipher2(&ictx->enc); err = PTR_ERR(enc); if (IS_ERR(enc)) goto err_free_ahash; - null = crypto_get_default_null_skcipher(); + null = crypto_get_default_null_skcipher2(); err = PTR_ERR(null); if (IS_ERR(null)) goto err_free_skcipher; @@ -342,13 +345,13 @@ static int crypto_authenc_init_tfm(struct crypto_aead *tfm) max_t(unsigned int, crypto_ahash_reqsize(auth) + sizeof(struct ahash_request), - sizeof(struct ablkcipher_request) + - crypto_ablkcipher_reqsize(enc))); + sizeof(struct skcipher_request) + + crypto_skcipher_reqsize(enc))); return 0; err_free_skcipher: - crypto_free_ablkcipher(enc); + crypto_free_skcipher(enc); err_free_ahash: crypto_free_ahash(auth); return err; @@ -359,8 +362,8 @@ static void crypto_authenc_exit_tfm(struct crypto_aead *tfm) struct crypto_authenc_ctx *ctx = crypto_aead_ctx(tfm); crypto_free_ahash(ctx->auth); - crypto_free_ablkcipher(ctx->enc); - crypto_put_default_null_skcipher(); + crypto_free_skcipher(ctx->enc); + crypto_put_default_null_skcipher2(); } static void crypto_authenc_free(struct aead_instance *inst) @@ -379,7 +382,7 @@ static int crypto_authenc_create(struct crypto_template *tmpl, struct aead_instance *inst; struct hash_alg_common *auth; struct crypto_alg *auth_base; - struct crypto_alg *enc; + struct skcipher_alg *enc; struct authenc_instance_ctx *ctx; const char *enc_name; int err; @@ -417,38 +420,40 @@ static int crypto_authenc_create(struct crypto_template *tmpl, goto err_free_inst; crypto_set_skcipher_spawn(&ctx->enc, aead_crypto_instance(inst)); - err = crypto_grab_skcipher(&ctx->enc, enc_name, 0, - crypto_requires_sync(algt->type, - algt->mask)); + err = crypto_grab_skcipher2(&ctx->enc, enc_name, 0, + crypto_requires_sync(algt->type, + algt->mask)); if (err) goto err_drop_auth; - enc = crypto_skcipher_spawn_alg(&ctx->enc); + enc = crypto_spawn_skcipher_alg(&ctx->enc); ctx->reqoff = ALIGN(2 * auth->digestsize + auth_base->cra_alignmask, auth_base->cra_alignmask + 1); err = -ENAMETOOLONG; if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME, - "authenc(%s,%s)", auth_base->cra_name, enc->cra_name) >= + "authenc(%s,%s)", auth_base->cra_name, + enc->base.cra_name) >= CRYPTO_MAX_ALG_NAME) goto err_drop_enc; if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "authenc(%s,%s)", auth_base->cra_driver_name, - enc->cra_driver_name) >= CRYPTO_MAX_ALG_NAME) + enc->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) goto err_drop_enc; - inst->alg.base.cra_flags = (auth_base->cra_flags | enc->cra_flags) & - CRYPTO_ALG_ASYNC; - inst->alg.base.cra_priority = enc->cra_priority * 10 + + inst->alg.base.cra_flags = (auth_base->cra_flags | + enc->base.cra_flags) & CRYPTO_ALG_ASYNC; + inst->alg.base.cra_priority = enc->base.cra_priority * 10 + auth_base->cra_priority; - inst->alg.base.cra_blocksize = enc->cra_blocksize; + inst->alg.base.cra_blocksize = enc->base.cra_blocksize; inst->alg.base.cra_alignmask = auth_base->cra_alignmask | - enc->cra_alignmask; + enc->base.cra_alignmask; inst->alg.base.cra_ctxsize = sizeof(struct crypto_authenc_ctx); - inst->alg.ivsize = enc->cra_ablkcipher.ivsize; + inst->alg.ivsize = crypto_skcipher_alg_ivsize(enc); + inst->alg.chunksize = crypto_skcipher_alg_chunksize(enc); inst->alg.maxauthsize = auth->digestsize; inst->alg.init = crypto_authenc_init_tfm; |