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crypto: arm64/sm4 - simplify sm4_ce_expand_key() of CE implementation
authorTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Thu, 27 Oct 2022 06:54:59 +0000 (14:54 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 4 Nov 2022 09:34:31 +0000 (17:34 +0800)
commitcb9ba02b07d18172c6a6dcc69410c56482903230
treea8c249c36a040c9f92a84dc533f3c29758178e3atree | snapshot
parentce41fefd2443c25166458f24621b53a28fff989fcommit | diff
crypto: arm64/sm4 - simplify sm4_ce_expand_key() of CE implementation

Use a 128-bit swap mask and tbl instruction to simplify the implementation
for generating SM4 rkey_dec.

Also fixed the issue of not being wrapped by kernel_neon_begin/end() when
using the sm4_ce_expand_key() function.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/arm64/crypto/sm4-ce-core.S diff | blob | history
arch/arm64/crypto/sm4-ce-glue.c diff | blob | history
Domain: System / Kernel;