diff options
Diffstat (limited to 'crypto/drbg.c')
| -rw-r--r-- | crypto/drbg.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index bad005eef03d..511a27c91813 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1506,10 +1506,9 @@ static int drbg_kcapi_hash(struct drbg_state *drbg, unsigned char *outval, #ifdef CONFIG_CRYPTO_DRBG_CTR static int drbg_fini_sym_kernel(struct drbg_state *drbg) { - struct crypto_cipher *tfm = - (struct crypto_cipher *)drbg->priv_data; - if (tfm) - crypto_free_cipher(tfm); + struct crypto_aes_ctx *aesctx = (struct crypto_aes_ctx *)drbg->priv_data; + + kfree(aesctx); drbg->priv_data = NULL; if (drbg->ctr_handle) @@ -1528,20 +1527,16 @@ static int drbg_fini_sym_kernel(struct drbg_state *drbg) static int drbg_init_sym_kernel(struct drbg_state *drbg) { - struct crypto_cipher *tfm; + struct crypto_aes_ctx *aesctx; struct crypto_skcipher *sk_tfm; struct skcipher_request *req; unsigned int alignmask; char ctr_name[CRYPTO_MAX_ALG_NAME]; - tfm = crypto_alloc_cipher(drbg->core->backend_cra_name, 0, 0); - if (IS_ERR(tfm)) { - pr_info("DRBG: could not allocate cipher TFM handle: %s\n", - drbg->core->backend_cra_name); - return PTR_ERR(tfm); - } - BUG_ON(drbg_blocklen(drbg) != crypto_cipher_blocksize(tfm)); - drbg->priv_data = tfm; + aesctx = kzalloc(sizeof(*aesctx), GFP_KERNEL); + if (!aesctx) + return -ENOMEM; + drbg->priv_data = aesctx; if (snprintf(ctr_name, CRYPTO_MAX_ALG_NAME, "ctr(%s)", drbg->core->backend_cra_name) >= CRYPTO_MAX_ALG_NAME) { |