/* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
/* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#ifndef HEADER_AES_H
#define HEADER_AES_H
+#include <openssl/opensslconf.h>
+
#ifdef OPENSSL_NO_AES
#error AES is disabled.
#endif
-static const int AES_DECRYPT = 0;
-static const int AES_ENCRYPT = 1;
-#define AES_MAXNR 14 /* array size can't be a const in C */
-static const int AES_BLOCK_SIZE = 16; /* bytes */
+#include <stddef.h>
+
+#define AES_ENCRYPT 1
+#define AES_DECRYPT 0
+
+/* Because array size can't be a const in C, the following two are macros.
+ Both sizes are in bytes. */
+#define AES_MAXNR 14
+#define AES_BLOCK_SIZE 16
#ifdef __cplusplus
extern "C" {
/* This should be a hidden type, but EVP requires that the size be known */
struct aes_key_st {
+#ifdef AES_LONG
unsigned long rd_key[4 *(AES_MAXNR + 1)];
+#else
+ unsigned int rd_key[4 *(AES_MAXNR + 1)];
+#endif
int rounds;
};
typedef struct aes_key_st AES_KEY;
const char *AES_options(void);
-int AES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key);
-int AES_set_decrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key);
+int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
-void AES_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key);
-void AES_decrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key);
+int private_AES_set_encrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+int private_AES_set_decrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+
+void AES_encrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void AES_decrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
- const AES_KEY *key, const int enc);
+ const AES_KEY *key, const int enc);
void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
- const unsigned long length, const AES_KEY *key,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, const int enc);
+void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, int *num, const int enc);
+void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, int *num, const int enc);
+void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, int *num, const int enc);
+void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, int *num);
+void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char ivec[AES_BLOCK_SIZE],
+ unsigned char ecount_buf[AES_BLOCK_SIZE],
+ unsigned int *num);
+/* NB: the IV is _two_ blocks long */
+void AES_ige_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
unsigned char *ivec, const int enc);
+/* NB: the IV is _four_ blocks long */
+void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ const AES_KEY *key2, const unsigned char *ivec,
+ const int enc);
+
+int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
+ unsigned char *out,
+ const unsigned char *in, unsigned int inlen);
+int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
+ unsigned char *out,
+ const unsigned char *in, unsigned int inlen);
+
#ifdef __cplusplus
}