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| author | Kai Ye <yekai13@huawei.com> | 2022-01-22 16:13:10 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-01-31 11:21:45 +1100 |
| commit | 5e340558c5c7f64504ef1f4d31af152f26705261 (patch) | |
| tree | d23651856918190fbc1aeb13efce207c3a2c560c /drivers/crypto/hisilicon | |
| parent | e764d81d58070e66e61fb1b972c81eb9d2ea971e (diff) | |
| download | linux-5e340558c5c7f64504ef1f4d31af152f26705261.tar.gz linux-5e340558c5c7f64504ef1f4d31af152f26705261.tar.bz2 linux-5e340558c5c7f64504ef1f4d31af152f26705261.zip | |
crypto: hisilicon/sec - fix the max length of AAD for the CCM mode
Fix the maximum length of AAD for the CCM mode due to the hardware limited.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon')
| -rw-r--r-- | drivers/crypto/hisilicon/sec2/sec_crypto.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index 48abd3871c0e..8305eee9a3d3 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -63,6 +63,7 @@ #define SEC_AUTH_CIPHER 0x1 #define SEC_MAX_MAC_LEN 64 #define SEC_MAX_AAD_LEN 65535 +#define SEC_MAX_CCM_AAD_LEN 65279 #define SEC_TOTAL_MAC_SZ (SEC_MAX_MAC_LEN * QM_Q_DEPTH) #define SEC_PBUF_SZ 512 @@ -2220,6 +2221,10 @@ static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq) } if (c_mode == SEC_CMODE_CCM) { + if (unlikely(req->assoclen > SEC_MAX_CCM_AAD_LEN)) { + dev_err_ratelimited(dev, "CCM input aad parameter is too long!\n"); + return -EINVAL; + } ret = aead_iv_demension_check(req); if (ret) { dev_err(dev, "aead input iv param error!\n"); |