lib/crypto: add aes encryption routines to main cryto lib.

Guenther

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/crypto/aes.h b/lib/crypto/aes.h
new file mode 100644
index 0000000000..e74d345215
--- /dev/null
+++ b/lib/crypto/aes.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2003-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS 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 INSTITUTE OR 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.
+ */
+
+/* $Id$ */
+
+#ifndef LIB_CRYPTO_AES_H
+#define LIB_CRYPTO_AES_H 1
+
+/* symbol renaming */
+#define AES_set_encrypt_key samba_AES_set_encrypt_key
+#define AES_set_decrypt_key samba_AES_decrypt_key
+#define AES_encrypt samba_AES_encrypt
+#define AES_decrypt samba_AES_decrypt
+#define AES_cbc_encrypt samba_AES_cbc_encrypt
+
+/*
+ *
+ */
+
+#define AES_BLOCK_SIZE 16
+#define AES_MAXNR 14
+
+#define AES_ENCRYPT 1
+#define AES_DECRYPT 0
+
+typedef struct aes_key {
+    uint32_t key[(AES_MAXNR+1)*4];
+    int rounds;
+} AES_KEY;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *);
+int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *);
+
+void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *);
+void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *);
+
+void AES_cbc_encrypt(const unsigned char *, unsigned char *,
+		     const unsigned long, const AES_KEY *,
+		     unsigned char *, int);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* LIB_CRYPTO_AES_H */