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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
diff --git a/include/crypto/aes.h b/include/crypto/aes.h
index df8426f..8e0f4cf 100644
--- a/include/crypto/aes.h
+++ b/include/crypto/aes.h
@@ -67,4 +67,7 @@ void aes_encrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
  */
 void aes_decrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
 
+extern const u8 crypto_aes_sbox[];
+extern const u8 crypto_aes_inv_sbox[];
+
 #endif