diff options
Diffstat (limited to 'crypto/echainiv.c')
| -rw-r--r-- | crypto/echainiv.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/crypto/echainiv.c b/crypto/echainiv.c index 62a817faec8c..08d33367801d 100644 --- a/crypto/echainiv.c +++ b/crypto/echainiv.c @@ -187,29 +187,6 @@ static int echainiv_decrypt(struct aead_request *req) return crypto_aead_decrypt(subreq); } -static int echainiv_encrypt_first(struct aead_request *req) -{ - struct crypto_aead *geniv = crypto_aead_reqtfm(req); - struct echainiv_ctx *ctx = crypto_aead_ctx(geniv); - int err = 0; - - spin_lock_bh(&ctx->geniv.lock); - if (geniv->encrypt != echainiv_encrypt_first) - goto unlock; - - geniv->encrypt = echainiv_encrypt; - err = crypto_rng_get_bytes(crypto_default_rng, ctx->salt, - crypto_aead_ivsize(geniv)); - -unlock: - spin_unlock_bh(&ctx->geniv.lock); - - if (err) - return err; - - return echainiv_encrypt(req); -} - static int echainiv_init(struct crypto_tfm *tfm) { struct crypto_aead *geniv = __crypto_aead_cast(tfm); @@ -220,6 +197,11 @@ static int echainiv_init(struct crypto_tfm *tfm) crypto_aead_set_reqsize(geniv, sizeof(struct aead_request)); + err = crypto_rng_get_bytes(crypto_default_rng, ctx->salt, + crypto_aead_ivsize(geniv)); + if (err) + goto out; + ctx->null = crypto_get_default_null_skcipher(); err = PTR_ERR(ctx->null); if (IS_ERR(ctx->null)) @@ -272,7 +254,7 @@ static int echainiv_aead_create(struct crypto_template *tmpl, inst->alg.ivsize > MAX_IV_SIZE) goto free_inst; - inst->alg.encrypt = echainiv_encrypt_first; + inst->alg.encrypt = echainiv_encrypt; inst->alg.decrypt = echainiv_decrypt; inst->alg.base.cra_init = echainiv_init; |