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Some skcipher algorithms set .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER. But
this is redundant with the C structure type ('struct skcipher_alg'), and
crypto_register_skcipher() already sets the type flag automatically,
clearing any type flag that was already there. Apparently the useless
assignment has just been copy+pasted around.
So, remove the useless assignment from all the skcipher algorithms.
This patch shouldn't change any actual behavior.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Enable CryptoCell support for hardware keys.
Hardware keys are regular AES keys loaded into CryptoCell internal memory
via firmware, often from secure boot ROM or hardware fuses at boot time.
As such, they can be used for enc/dec purposes like any other key but
cannot (read: extremely hard to) be extracted since since they are not
available anywhere in RAM during runtime.
The mechanism has some similarities to s390 secure keys although the keys
are not wrapped or sealed, but simply loaded offline. The interface was
therefore modeled based on the s390 secure keys support.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for the legacy CryptoCell 630 and 710 revs.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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drivers/crypto/ccree/cc_cipher.c:629:15-22: WARNING opportunity for kmemdep
Use kmemdup rather than duplicating its implementation
Generated by: scripts/coccinelle/api/memdup.cocci
Fixes: 63ee04c8b491 ("crypto: ccree - add skcipher support")
CC: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add CryptoCell skcipher support
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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