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This patch adds support to the GCM mode.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support to the CTR mode.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Dummy patch to fix typo and indentation.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch only regroup functions by usage.
This will help to integrate the GCM support patch later by
adjusting some shared code section, such as common code which
will be reused by GCM, AES mode setting, and DMA transfer.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch introduces a new callback 'resume' in the struct mtk_aes_rec.
This callback is run to resume/complete the processing of the crypto
request when woken up by AES interrupts when DMA completion.
This callback will help implementing the GCM mode support in further
patches.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch changes mtk_aes_handle_queue() to make it more generic.
The function argument is now a pointer to struct crypto_async_request,
which is the common base of struct ablkcipher_request and
struct aead_request.
Also this patch introduces struct mtk_aes_base_ctx which will be the
common base of all the transformation contexts.
Hence the very same queue will be used to manage both block cipher and
AEAD requests (such as gcm and authenc implemented in further patches).
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes mtk_aes_xmit() data transfer bug.
The original function uses the same loop and ring->pos
to handle both command and result descriptors. But this
produces incomplete results when src.sg_len != dst.sg_len.
To solve the problem, we splits the descriptors into different
loops and uses cmd_pos and res_pos to record them respectively.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch moves hardware control block members from
mtk_*_rec to transformation context and refines related
definition. This makes operational context to manage its
own control information easily for each DMA transfer.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fixes the following sparse warning:
drivers/crypto/mediatek/mtk-platform.c:585:27: warning:
symbol 'of_crypto_id' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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After I enabled COMPILE_TEST for non-ARM targets, I ran into these
warnings:
crypto/mediatek/mtk-aes.c: In function 'mtk_aes_info_map':
crypto/mediatek/mtk-aes.c:224:28: error: format '%d' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Werror=format=]
dev_err(cryp->dev, "dma %d bytes error\n", sizeof(*info));
crypto/mediatek/mtk-sha.c:344:28: error: format '%d' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Werror=format=]
crypto/mediatek/mtk-sha.c:550:21: error: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'size_t {aka long unsigned int}' [-Werror=format=]
The correct format for size_t is %zu, so use that in all three
cases.
Fixes: 785e5c616c84 ("crypto: mediatek - Add crypto driver support for some MediaTek chips")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In the case where keylen <= bs mtk_sha_setkey returns an uninitialized
return value in err. Fix this by returning 0 instead of err.
Issue detected by static analysis with cppcheck.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This adds support for the MediaTek hardware accelerator on
mt7623/mt2701/mt8521p SoC.
This driver currently implement:
- SHA1 and SHA2 family(HMAC) hash algorithms.
- AES block cipher in CBC/ECB mode with 128/196/256 bits keys.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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