linux-stable.git/drivers/crypto/starfive, branch linux-6.10.y Linux kernel stable tree crypto: starfive - Fix nent assignment in rsa dec 2024-09-12T09:13:09+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-06-26T01:40:43+00:00 17c1e62c7ec2e08dbd679a316d99a86dac8efc7e [ Upstream commit 8323c036789b8b4a61925fce439a89dba17b7f2f ] Missing src scatterlist nent assignment in rsa decrypt function. Removing all unneeded assignment and use nents value from req->src instead. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 8323c036789b8b4a61925fce439a89dba17b7f2f ]

Missing src scatterlist nent assignment in rsa decrypt function.
Removing all unneeded assignment and use nents value from req->src
instead.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
crypto: starfive - Align rsa input data to 32-bit 2024-09-12T09:13:09+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-06-26T01:40:42+00:00 0e3da92dbf6e30572e5ab2e1f00445b6470b41f3 [ Upstream commit 6aad7019f697ab0bed98eba737d19bd7f67713de ] Hardware expects RSA input plain/ciphertext to be 32-bit aligned. Set fixed length for preallocated buffer to the maximum supported keysize of the hardware and shift input text accordingly. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Stable-dep-of: 8323c036789b ("crypto: starfive - Fix nent assignment in rsa dec") Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 6aad7019f697ab0bed98eba737d19bd7f67713de ]

Hardware expects RSA input plain/ciphertext to be 32-bit aligned.
Set fixed length for preallocated buffer to the maximum supported
keysize of the hardware and shift input text accordingly.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Stable-dep-of: 8323c036789b ("crypto: starfive - Fix nent assignment in rsa dec")
Signed-off-by: Sasha Levin <sashal@kernel.org>
crypto: starfive - Use fallback for unaligned dma access 2024-05-10T09:15:24+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-04-29T06:06:40+00:00 f8c423bab99cc2facc37cfd7d29ad8864f98a4c2 Dma address mapping fails on unaligned scatterlist offset. Use sw fallback for these cases. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Dma address mapping fails on unaligned scatterlist offset. Use sw
fallback for these cases.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Do not free stack buffer 2024-05-10T09:15:24+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-04-29T06:06:39+00:00 d7f01649f4eaf1878472d3d3f480ae1e50d98f6c RSA text data uses variable length buffer allocated in software stack. Calling kfree on it causes undefined behaviour in subsequent operations. Cc: <stable@vger.kernel.org> #6.7+ Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
RSA text data uses variable length buffer allocated in software stack.
Calling kfree on it causes undefined behaviour in subsequent operations.

Cc: <stable@vger.kernel.org> #6.7+
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Skip unneeded fallback allocation 2024-05-10T09:15:24+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-04-29T06:06:38+00:00 25ca4a85e943d73582f3e576f0f829329568d0a3 Skip sw fallback allocation if RSA module failed to get device handle. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Skip sw fallback allocation if RSA module failed to get device handle.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Skip dma setup for zeroed message 2024-05-10T09:15:24+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-04-29T06:06:37+00:00 3d12d90efadf689b05280ebbb3fca870298d218f Skip dma setup and mapping for AES driver if plaintext is empty. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Skip dma setup and mapping for AES driver if plaintext is empty.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Use dma for aes requests 2024-04-02T02:49:38+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-03-05T07:10:03+00:00 7467147ef9bf42d1ea5b3314c7a05cd542b3518e Convert AES module to use dma for data transfers to reduce cpu load and compatible with future variants. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Convert AES module to use dma for data transfers to reduce cpu load and
compatible with future variants.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Skip unneeded key free 2024-04-02T02:49:38+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-03-05T07:10:02+00:00 a05c821e42e6b6fd265270a6b6b9413fee1d4221 Skip unneeded kfree_sensitive if RSA module is using falback algo. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Skip unneeded kfree_sensitive if RSA module is using falback algo.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Update hash dma usage 2024-04-02T02:49:38+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2024-03-05T07:10:01+00:00 b6e9eb69a19562cd8d8b09f76593884e4c69ffc7 Current hash uses sw fallback for non-word aligned input scatterlists. Add support for unaligned cases utilizing the data valid mask for dma. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Current hash uses sw fallback for non-word aligned input scatterlists.
Add support for unaligned cases utilizing the data valid mask for dma.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: starfive - Fix dev_err_probe return error 2023-12-15T09:52:53+00:00 Jia Jie Ho jiajie.ho@starfivetech.com 2023-12-04T03:04:13+00:00 8517c34e87025b3f74f3c07813d493828f369598 Current dev_err_probe will return 0 instead of proper error code if driver failed to get irq number. Fix the return code. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 
Current dev_err_probe will return 0 instead of proper error code if
driver failed to get irq number. Fix the return code.

Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>