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authorKai Ye <yekai13@huawei.com>2022-07-21 05:18:31 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2022-07-29 13:29:17 +0300
commit45f5d0176d8426cc1ab0bab84fbd8ef5c57526c6 (patch)
tree114257d1110020d3be76c129257be7996e164b9a /drivers/crypto
parent383ce25dd2b117da0c092dc0b45e7ad0e9ffcbb2 (diff)
downloadlinux-45f5d0176d8426cc1ab0bab84fbd8ef5c57526c6.tar.xz
crypto: hisilicon/sec - fix auth key size error
The authentication algorithm supports a maximum of 128-byte keys. The allocated key memory is insufficient. Fixes: 2f072d75d1ab ("crypto: hisilicon - Add aead support on SEC2") Signed-off-by: Kai Ye <yekai13@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_crypto.c6
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_crypto.h1
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 71dfa7db6394..77c9f13cf69a 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -620,7 +620,7 @@ static int sec_auth_init(struct sec_ctx *ctx)
{
struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
- a_ctx->a_key = dma_alloc_coherent(ctx->dev, SEC_MAX_KEY_SIZE,
+ a_ctx->a_key = dma_alloc_coherent(ctx->dev, SEC_MAX_AKEY_SIZE,
&a_ctx->a_key_dma, GFP_KERNEL);
if (!a_ctx->a_key)
return -ENOMEM;
@@ -632,8 +632,8 @@ static void sec_auth_uninit(struct sec_ctx *ctx)
{
struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
- memzero_explicit(a_ctx->a_key, SEC_MAX_KEY_SIZE);
- dma_free_coherent(ctx->dev, SEC_MAX_KEY_SIZE,
+ memzero_explicit(a_ctx->a_key, SEC_MAX_AKEY_SIZE);
+ dma_free_coherent(ctx->dev, SEC_MAX_AKEY_SIZE,
a_ctx->a_key, a_ctx->a_key_dma);
}
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.h b/drivers/crypto/hisilicon/sec2/sec_crypto.h
index 5e039b50e9d4..d033f63b583f 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.h
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.h
@@ -7,6 +7,7 @@
#define SEC_AIV_SIZE 12
#define SEC_IV_SIZE 24
#define SEC_MAX_KEY_SIZE 64
+#define SEC_MAX_AKEY_SIZE 128
#define SEC_COMM_SCENE 0
#define SEC_MIN_BLOCK_SZ 1