Update libsrtp to upstream 1.5.0

srtp/crypto/include/aes_icm_ossl.h

 /*
- * null-cipher.h
+ * aes_icm.h
  *
- * header file for the null cipher
- *
+ * Header for AES Integer Counter Mode.
  *
  * David A. McGrew
  * Cisco Systems, Inc.
+ *
  */
-
 /*
- *      
- * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ *
+ * Copyright (c) 2001-2005,2012, Cisco Systems, Inc.
  * All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
- * 
+ *
  *   Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
- * 
+ *
  *   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.
- * 
+ *
  *   Neither the name of the Cisco Systems, Inc. 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 COPYRIGHT HOLDERS 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
  * COPYRIGHT HOLDERS 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.
  *
  */
 
+#ifndef AES_ICM_H
+#define AES_ICM_H
 
-#ifndef NULL_CIPHER_H
-#define NULL_CIPHER_H
+#include "cipher.h"
+#include <openssl/evp.h>
+#include <openssl/aes.h>
 
-#include "datatypes.h"
-#include "cipher.h"
+#define     SALT_SIZE               14
+#define     AES_128_KEYSIZE         AES_BLOCK_SIZE
+#define     AES_192_KEYSIZE         AES_BLOCK_SIZE + AES_BLOCK_SIZE / 2
+#define     AES_256_KEYSIZE         AES_BLOCK_SIZE * 2
+#define     AES_128_KEYSIZE_WSALT   AES_128_KEYSIZE + SALT_SIZE
+#define     AES_192_KEYSIZE_WSALT   AES_192_KEYSIZE + SALT_SIZE
+#define     AES_256_KEYSIZE_WSALT   AES_256_KEYSIZE + SALT_SIZE
 
 typedef struct {
-  char foo ;/* empty, for now */
-} null_cipher_ctx_t;
+    v128_t counter;                /* holds the counter value          */
+    v128_t offset;                 /* initial offset value             */
+    v256_t key;
+    int key_size;
+    EVP_CIPHER_CTX ctx;
+} aes_icm_ctx_t;
+
+err_status_t aes_icm_openssl_set_iv(aes_icm_ctx_t *c, void *iv, int dir);
 
 
-/*
- * none of these functions do anything (though future versions may keep
- * track of bytes encrypted, number of instances, and/or other info).
- */
+#endif /* AES_ICM_H */
 
-err_status_t
-null_cipher_init(null_cipher_ctx_t *c, const uint8_t *key, int key_len);
-
-err_status_t
-null_cipher_set_segment(null_cipher_ctx_t *c,
-                        unsigned long segment_index);
-
-err_status_t
-null_cipher_encrypt(null_cipher_ctx_t *c,
-                    unsigned char *buf, unsigned int *bytes_to_encr);
-
-
-err_status_t
-null_cipher_encrypt_aligned(null_cipher_ctx_t *c,
-                            unsigned char *buf, int bytes_to_encr);
-
-#endif /* NULL_CIPHER_H */