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authorEric Biggers <ebiggers@google.com>2023-10-22 01:10:43 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2023-10-27 18:04:29 +0800
commit54eea8e29026c6cceeb52151f46e3b994de5513a (patch)
tree3de8d955df470a1c5bc6f8bc832ec063d5461674 /Documentation/crypto
parent8c87553e2db672254d858991c42964030ad7da45 (diff)
crypto: stm32 - remove unnecessary alignmask for ahashes
The crypto API's support for alignmasks for ahash algorithms is nearly useless, as its only effect is to cause the API to align the key and result buffers. The drivers that happen to be specifying an alignmask for ahash rarely actually need it. When they do, it's easily fixable, especially considering that these buffers cannot be used for DMA. In preparation for removing alignmask support from ahash, this patch makes the stm32 driver no longer use it. This driver didn't actually rely on it; it only writes to the result buffer in stm32_hash_finish(), simply using memcpy(). And stm32_hash_setkey() does not assume any alignment for the key buffer. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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