diff options
| author | Vic Wu <vic.wu@mediatek.com> | 2019-08-28 14:37:16 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-09-05 14:36:54 +1000 |
| commit | a3d7c50c416c378c91272e6b2905f91fde682319 (patch) | |
| tree | f311aa1bf2cf67aa42caca28dc92dfc6ab25bf5b /drivers/crypto | |
| parent | 069ec891823a5211c48c68c9b9f1571d9647606d (diff) | |
| download | linux-a3d7c50c416c378c91272e6b2905f91fde682319.tar.gz | |
crypto: mediatek - fix incorrect crypto key setting
Record crypto key to context during setkey and set the key to transform state buffer in encrypt/decrypt process. Signed-off-by: Vic Wu <vic.wu@mediatek.com> Tested-by: John Crispin <john@phrozen.og> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/mediatek/mtk-aes.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/crypto/mediatek/mtk-aes.c b/drivers/crypto/mediatek/mtk-aes.c index 378899b640b4..90c9644fb8a8 100644 --- a/drivers/crypto/mediatek/mtk-aes.c +++ b/drivers/crypto/mediatek/mtk-aes.c @@ -105,6 +105,7 @@ struct mtk_aes_reqctx { struct mtk_aes_base_ctx { struct mtk_cryp *cryp; u32 keylen; + __le32 key[12]; __le32 keymode; mtk_aes_fn start; @@ -534,6 +535,8 @@ static int mtk_aes_handle_queue(struct mtk_cryp *cryp, u8 id, backlog->complete(backlog, -EINPROGRESS); ctx = crypto_tfm_ctx(areq->tfm); + /* Write key into state buffer */ + memcpy(ctx->info.state, ctx->key, sizeof(ctx->key)); aes->areq = areq; aes->ctx = ctx; @@ -653,7 +656,7 @@ static int mtk_aes_setkey(struct crypto_ablkcipher *tfm, } ctx->keylen = SIZE_IN_WORDS(keylen); - mtk_aes_write_state_le(ctx->info.state, (const u32 *)key, keylen); + mtk_aes_write_state_le(ctx->key, (const u32 *)key, keylen); return 0; } @@ -1070,10 +1073,8 @@ static int mtk_aes_gcm_setkey(struct crypto_aead *aead, const u8 *key, if (err) goto out; - /* Write key into state buffer */ - mtk_aes_write_state_le(ctx->info.state, (const u32 *)key, keylen); - /* Write key(H) into state buffer */ - mtk_aes_write_state_be(ctx->info.state + ctx->keylen, data->hash, + mtk_aes_write_state_le(ctx->key, (const u32 *)key, keylen); + mtk_aes_write_state_be(ctx->key + ctx->keylen, data->hash, AES_BLOCK_SIZE); out: kzfree(data); |