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crypto: rockchip - update new iv to device in multiple operations

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For chain mode in cipher(eg. AES-CBC/DES-CBC), the iv is continuously
updated in the operation. The new iv value should be written to device
register by software.

Reported-by: Eric Biggers <ebiggers@google.com>
Fixes: 433cd2c617 ("crypto: rockchip - add crypto driver for rk3288")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Zhang Zhijie <zhangzj@rock-chips.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zhang Zhijie
2019-02-13 16:24:39 +08:00
committed by Herbert Xu
parent 4359669a08
commit c1c214adcb
2 changed files with 35 additions and 0 deletions
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drivers/crypto/rockchip/rk3288_crypto.h
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@@ -245,6 +245,7 @@ struct rk_cipher_ctx {
struct rk_crypto_info *dev;
unsigned int keylen;
u32 mode;
u8 iv[AES_BLOCK_SIZE];
};
enum alg_type {