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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2019-07-02 21:41:46 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2019-07-26 14:58:36 +1000
commit9467a3150cf4afca638673e099af71e8c493a3a0 (patch)
tree733c93a49a5ce84ec11e760a8e629a8af981157a /lib/crypto
parent1e25ca02a0619c10bc0eae975846926902381ce5 (diff)
downloadlinux-9467a3150cf4afca638673e099af71e8c493a3a0.tar.bz2
crypto: lib/aes - export sbox and inverse sbox
There are a few copies of the AES S-boxes floating around, so export the ones from the AES library so that we can reuse them in other modules. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'lib/crypto')
-rw-r--r--lib/crypto/aes.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/crypto/aes.c b/lib/crypto/aes.c
index 9928b23e0a8a..4e100af38c51 100644
--- a/lib/crypto/aes.c
+++ b/lib/crypto/aes.c
@@ -82,6 +82,12 @@ static volatile const u8 __cacheline_aligned aes_inv_sbox[] = {
0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d,
};
+extern const u8 crypto_aes_sbox[256] __alias(aes_sbox);
+extern const u8 crypto_aes_inv_sbox[256] __alias(aes_inv_sbox);
+
+EXPORT_SYMBOL(crypto_aes_sbox);
+EXPORT_SYMBOL(crypto_aes_inv_sbox);
+
static u32 mul_by_x(u32 w)
{
u32 x = w & 0x7f7f7f7f;