diff options
Diffstat (limited to 'crypto/essiv.c')
| -rw-r--r-- | crypto/essiv.c | 46 |
1 files changed, 13 insertions, 33 deletions
diff --git a/crypto/essiv.c b/crypto/essiv.c index 808f2b362106..465a89c9d1ef 100644 --- a/crypto/essiv.c +++ b/crypto/essiv.c @@ -75,9 +75,6 @@ static int essiv_skcipher_setkey(struct crypto_skcipher *tfm, crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_REQ_MASK); err = crypto_skcipher_setkey(tctx->u.skcipher, key, keylen); - crypto_skcipher_set_flags(tfm, - crypto_skcipher_get_flags(tctx->u.skcipher) & - CRYPTO_TFM_RES_MASK); if (err) return err; @@ -90,13 +87,8 @@ static int essiv_skcipher_setkey(struct crypto_skcipher *tfm, crypto_cipher_set_flags(tctx->essiv_cipher, crypto_skcipher_get_flags(tfm) & CRYPTO_TFM_REQ_MASK); - err = crypto_cipher_setkey(tctx->essiv_cipher, salt, - crypto_shash_digestsize(tctx->hash)); - crypto_skcipher_set_flags(tfm, - crypto_cipher_get_flags(tctx->essiv_cipher) & - CRYPTO_TFM_RES_MASK); - - return err; + return crypto_cipher_setkey(tctx->essiv_cipher, salt, + crypto_shash_digestsize(tctx->hash)); } static int essiv_aead_setkey(struct crypto_aead *tfm, const u8 *key, @@ -112,15 +104,11 @@ static int essiv_aead_setkey(struct crypto_aead *tfm, const u8 *key, crypto_aead_set_flags(tctx->u.aead, crypto_aead_get_flags(tfm) & CRYPTO_TFM_REQ_MASK); err = crypto_aead_setkey(tctx->u.aead, key, keylen); - crypto_aead_set_flags(tfm, crypto_aead_get_flags(tctx->u.aead) & - CRYPTO_TFM_RES_MASK); if (err) return err; - if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) { - crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + if (crypto_authenc_extractkeys(&keys, key, keylen) != 0) return -EINVAL; - } desc->tfm = tctx->hash; err = crypto_shash_init(desc) ?: @@ -132,12 +120,8 @@ static int essiv_aead_setkey(struct crypto_aead *tfm, const u8 *key, crypto_cipher_clear_flags(tctx->essiv_cipher, CRYPTO_TFM_REQ_MASK); crypto_cipher_set_flags(tctx->essiv_cipher, crypto_aead_get_flags(tfm) & CRYPTO_TFM_REQ_MASK); - err = crypto_cipher_setkey(tctx->essiv_cipher, salt, - crypto_shash_digestsize(tctx->hash)); - crypto_aead_set_flags(tfm, crypto_cipher_get_flags(tctx->essiv_cipher) & - CRYPTO_TFM_RES_MASK); - - return err; + return crypto_cipher_setkey(tctx->essiv_cipher, salt, + crypto_shash_digestsize(tctx->hash)); } static int essiv_aead_setauthsize(struct crypto_aead *tfm, @@ -347,7 +331,7 @@ static int essiv_aead_init_tfm(struct crypto_aead *tfm) if (IS_ERR(aead)) return PTR_ERR(aead); - subreq_size = FIELD_SIZEOF(struct essiv_aead_request_ctx, aead_req) + + subreq_size = sizeof_field(struct essiv_aead_request_ctx, aead_req) + crypto_aead_reqsize(aead); tctx->ivoffset = offsetof(struct essiv_aead_request_ctx, aead_req) + @@ -442,7 +426,7 @@ static bool essiv_supported_algorithms(const char *essiv_cipher_name, if (ivsize != alg->cra_blocksize) goto out; - if (crypto_shash_alg_has_setkey(hash_alg)) + if (crypto_shash_alg_needs_key(hash_alg)) goto out; ret = true; @@ -468,6 +452,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) struct shash_alg *hash_alg; int ivsize; u32 type; + u32 mask; int err; algt = crypto_get_attr_type(tb); @@ -483,6 +468,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) return PTR_ERR(shash_name); type = algt->type & algt->mask; + mask = crypto_requires_sync(algt->type, algt->mask); switch (type) { case CRYPTO_ALG_TYPE_SKCIPHER: @@ -495,11 +481,8 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) ictx = crypto_instance_ctx(inst); /* Symmetric cipher, e.g., "cbc(aes)" */ - crypto_set_skcipher_spawn(&ictx->u.skcipher_spawn, inst); - err = crypto_grab_skcipher(&ictx->u.skcipher_spawn, - inner_cipher_name, 0, - crypto_requires_sync(algt->type, - algt->mask)); + err = crypto_grab_skcipher(&ictx->u.skcipher_spawn, inst, + inner_cipher_name, 0, mask); if (err) goto out_free_inst; skcipher_alg = crypto_spawn_skcipher_alg(&ictx->u.skcipher_spawn); @@ -517,11 +500,8 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb) ictx = crypto_instance_ctx(inst); /* AEAD cipher, e.g., "authenc(hmac(sha256),cbc(aes))" */ - crypto_set_aead_spawn(&ictx->u.aead_spawn, inst); - err = crypto_grab_aead(&ictx->u.aead_spawn, - inner_cipher_name, 0, - crypto_requires_sync(algt->type, - algt->mask)); + err = crypto_grab_aead(&ictx->u.aead_spawn, inst, + inner_cipher_name, 0, mask); if (err) goto out_free_inst; aead_alg = crypto_spawn_aead_alg(&ictx->u.aead_spawn); |