crypto: api - Add crypto_attr_alg2 helper

[safe/jmp/linux-2.6] / include / crypto / aes.h

diff --git a/include/crypto/aes.h b/include/crypto/aes.h
index 9ff842f..7524ba3 100644 (file)
--- a/include/crypto/aes.h
+++ b/include/crypto/aes.h
@@ -5,11 +5,35 @@
 #ifndef _CRYPTO_AES_H
 #define _CRYPTO_AES_H
 
+#include <linux/types.h>
+#include <linux/crypto.h>
+
 #define AES_MIN_KEY_SIZE       16
 #define AES_MAX_KEY_SIZE       32
 #define AES_KEYSIZE_128                16
 #define AES_KEYSIZE_192                24
 #define AES_KEYSIZE_256                32
 #define AES_BLOCK_SIZE         16
+#define AES_MAX_KEYLENGTH      (15 * 16)
+#define AES_MAX_KEYLENGTH_U32  (AES_MAX_KEYLENGTH / sizeof(u32))
+
+/*
+ * Please ensure that the first two fields are 16-byte aligned
+ * relative to the start of the structure, i.e., don't move them!
+ */
+struct crypto_aes_ctx {
+       u32 key_enc[AES_MAX_KEYLENGTH_U32];
+       u32 key_dec[AES_MAX_KEYLENGTH_U32];
+       u32 key_length;
+};
+
+extern const u32 crypto_ft_tab[4][256];
+extern const u32 crypto_fl_tab[4][256];
+extern const u32 crypto_it_tab[4][256];
+extern const u32 crypto_il_tab[4][256];
 
+int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+               unsigned int key_len);
+int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
+               unsigned int key_len);
 #endif