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authorTianjia Zhang <tianjia.zhang@linux.alibaba.com>2022-12-01 20:58:18 +0800
committerEric Biggers <ebiggers@google.com>2022-12-01 10:57:10 -0800
commitd209ce353a324601f9d3c1eee43b1f0df53021b3 (patch)
tree361a64bad313746e51272369c9f9ed7680d83c64 /fs/crypto
parentaa997990080877c3a6dab9f25609073816378b43 (diff)
blk-crypto: Add support for SM4-XTS blk crypto mode
SM4 is a symmetric cipher algorithm widely used in China. The SM4-XTS variant is used to encrypt length-preserving data. This is the mandatory algorithm in some special scenarios. Add support for the algorithm to block inline encryption. This is needed for the inlinecrypt mount option to be supported via blk-crypto-fallback, as it is for the other fscrypt modes. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20221201125819.36932-2-tianjia.zhang@linux.alibaba.com
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