diff options
Diffstat (limited to 'drivers/crypto/hifn_795x.c')
-rw-r--r-- | drivers/crypto/hifn_795x.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index e3376f2..391c20a 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -29,6 +29,7 @@ #include <linux/crypto.h> #include <crypto/algapi.h> +#include <crypto/des.h> #include <asm/kmap_types.h> @@ -1924,6 +1925,16 @@ static int hifn_setkey(struct crypto_ablkcipher *cipher, const u8 *key, return -1; } + if (len == HIFN_DES_KEY_LENGTH) { + u32 tmp[DES_EXPKEY_WORDS]; + int ret = des_ekey(tmp, key); + + if (unlikely(ret == 0) && (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) { + tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; + return -EINVAL; + } + } + dev->flags &= ~HIFN_FLAG_OLD_KEY; memcpy(ctx->key, key, len); |