crypto: aes-generic - unexport last-round AES tables
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Tue, 2 Jul 2019 19:41:45 +0000 (21:41 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 26 Jul 2019 04:58:35 +0000 (14:58 +1000)
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>
crypto/aes_generic.c
include/crypto/aes.h

index 426deb437f197f1748393e959d98876aed439a51..71a5c190d3608ec1becf7473eedd189a26f77e4f 100644 (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.
index 0a64a977f9b328b5744a23b2e8501499ed917a3f..df8426fd8051a54dd078b6fb4b94c0d121e54ffa 100644 (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);