--- /dev/null
+/* ====================================================================
+ * Copyright (c) 2002-2006 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
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ==================================================================== */
+
+#ifndef OPENSSL_HEADER_AES_H
+#define OPENSSL_HEADER_AES_H
+
+#include <openssl/base.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+// Raw AES functions.
+
+
+#define AES_ENCRYPT 1
+#define AES_DECRYPT 0
+
+// AES_MAXNR is the maximum number of AES rounds.
+#define AES_MAXNR 14
+
+#define AES_BLOCK_SIZE 16
+
+// aes_key_st should be an opaque type, but EVP requires that the size be
+// known.
+struct aes_key_st {
+ uint32_t rd_key[4 * (AES_MAXNR + 1)];
+ unsigned rounds;
+};
+typedef struct aes_key_st AES_KEY;
+
+// AES_set_encrypt_key configures |aeskey| to encrypt with the |bits|-bit key,
+// |key|.
+//
+// WARNING: unlike other OpenSSL functions, this returns zero on success and a
+// negative number on error.
+OPENSSL_EXPORT int AES_set_encrypt_key(const uint8_t *key, unsigned bits,
+ AES_KEY *aeskey);
+
+// AES_set_decrypt_key configures |aeskey| to decrypt with the |bits|-bit key,
+// |key|.
+//
+// WARNING: unlike other OpenSSL functions, this returns zero on success and a
+// negative number on error.
+OPENSSL_EXPORT int AES_set_decrypt_key(const uint8_t *key, unsigned bits,
+ AES_KEY *aeskey);
+
+// AES_encrypt encrypts a single block from |in| to |out| with |key|. The |in|
+// and |out| pointers may overlap.
+OPENSSL_EXPORT void AES_encrypt(const uint8_t *in, uint8_t *out,
+ const AES_KEY *key);
+
+// AES_decrypt decrypts a single block from |in| to |out| with |key|. The |in|
+// and |out| pointers may overlap.
+OPENSSL_EXPORT void AES_decrypt(const uint8_t *in, uint8_t *out,
+ const AES_KEY *key);
+
+
+// Block cipher modes.
+
+// AES_ctr128_encrypt encrypts (or decrypts, it's the same in CTR mode) |len|
+// bytes from |in| to |out|. The |num| parameter must be set to zero on the
+// first call and |ivec| will be incremented.
+OPENSSL_EXPORT void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out,
+ size_t len, const AES_KEY *key,
+ uint8_t ivec[AES_BLOCK_SIZE],
+ uint8_t ecount_buf[AES_BLOCK_SIZE],
+ unsigned int *num);
+
+// AES_ecb_encrypt encrypts (or decrypts, if |enc| == |AES_DECRYPT|) a single,
+// 16 byte block from |in| to |out|.
+OPENSSL_EXPORT void AES_ecb_encrypt(const uint8_t *in, uint8_t *out,
+ const AES_KEY *key, const int enc);
+
+// AES_cbc_encrypt encrypts (or decrypts, if |enc| == |AES_DECRYPT|) |len|
+// bytes from |in| to |out|. The length must be a multiple of the block size.
+OPENSSL_EXPORT void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
+ const AES_KEY *key, uint8_t *ivec,
+ const int enc);
+
+// AES_ofb128_encrypt encrypts (or decrypts, it's the same in OFB mode) |len|
+// bytes from |in| to |out|. The |num| parameter must be set to zero on the
+// first call.
+OPENSSL_EXPORT void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out,
+ size_t len, const AES_KEY *key,
+ uint8_t *ivec, int *num);
+
+// AES_cfb128_encrypt encrypts (or decrypts, if |enc| == |AES_DECRYPT|) |len|
+// bytes from |in| to |out|. The |num| parameter must be set to zero on the
+// first call.
+OPENSSL_EXPORT void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out,
+ size_t len, const AES_KEY *key,
+ uint8_t *ivec, int *num, int enc);
+
+
+// AES key wrap.
+//
+// These functions implement AES Key Wrap mode, as defined in RFC 3394. They
+// should never be used except to interoperate with existing systems that use
+// this mode.
+
+// AES_wrap_key performs AES key wrap on |in| which must be a multiple of 8
+// bytes. |iv| must point to an 8 byte value or be NULL to use the default IV.
+// |key| must have been configured for encryption. On success, it writes
+// |in_len| + 8 bytes to |out| and returns |in_len| + 8. Otherwise, it returns
+// -1.
+OPENSSL_EXPORT int AES_wrap_key(const AES_KEY *key, const uint8_t *iv,
+ uint8_t *out, const uint8_t *in, size_t in_len);
+
+// AES_unwrap_key performs AES key unwrap on |in| which must be a multiple of 8
+// bytes. |iv| must point to an 8 byte value or be NULL to use the default IV.
+// |key| must have been configured for decryption. On success, it writes
+// |in_len| - 8 bytes to |out| and returns |in_len| - 8. Otherwise, it returns
+// -1.
+OPENSSL_EXPORT int AES_unwrap_key(const AES_KEY *key, const uint8_t *iv,
+ uint8_t *out, const uint8_t *in,
+ size_t in_len);
+
+
+#if defined(__cplusplus)
+} // extern C
+#endif
+
+#endif // OPENSSL_HEADER_AES_H
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