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crypto: aes-generic - unexport last-round AES tables

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The versions of the AES lookup tables that are only used during the last
round are never used outside of the driver, so there is no need to
export their symbols.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2019-07-02 21:41:45 +02:00 committed by Herbert Xu
parent 571c47ab98
commit 1e25ca02a0
2 changed files with 2 additions and 6 deletions
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6
crypto/aes_generic.c
View File

@ -328,7 +328,7 @@ __visible const u32 crypto_ft_tab[4][256] ____cacheline_aligned = {
}
};
__visible const u32 crypto_fl_tab[4][256] ____cacheline_aligned = {
static const u32 crypto_fl_tab[4][256] ____cacheline_aligned = {
{
0x00000063, 0x0000007c, 0x00000077, 0x0000007b,
0x000000f2, 0x0000006b, 0x0000006f, 0x000000c5,
@ -856,7 +856,7 @@ __visible const u32 crypto_it_tab[4][256] ____cacheline_aligned = {
}
};
__visible const u32 crypto_il_tab[4][256] ____cacheline_aligned = {
static const u32 crypto_il_tab[4][256] ____cacheline_aligned = {
{
0x00000052, 0x00000009, 0x0000006a, 0x000000d5,
0x00000030, 0x00000036, 0x000000a5, 0x00000038,
@ -1121,9 +1121,7 @@ __visible const u32 crypto_il_tab[4][256] ____cacheline_aligned = {
};
EXPORT_SYMBOL_GPL(crypto_ft_tab);
EXPORT_SYMBOL_GPL(crypto_fl_tab);
EXPORT_SYMBOL_GPL(crypto_it_tab);
EXPORT_SYMBOL_GPL(crypto_il_tab);
/**
* crypto_aes_set_key - Set the AES key.

2
include/crypto/aes.h
View File

@ -29,9 +29,7 @@ struct crypto_aes_ctx {
};
extern const u32 crypto_ft_tab[4][256] ____cacheline_aligned;
extern const u32 crypto_fl_tab[4][256] ____cacheline_aligned;
extern const u32 crypto_it_tab[4][256] ____cacheline_aligned;
extern const u32 crypto_il_tab[4][256] ____cacheline_aligned;
int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len);