| Index: srtp/crypto/include/aes_icm_ossl.h
|
| diff --git a/srtp/crypto/include/null_cipher.h b/srtp/crypto/include/aes_icm_ossl.h
|
| similarity index 63%
|
| copy from srtp/crypto/include/null_cipher.h
|
| copy to srtp/crypto/include/aes_icm_ossl.h
|
| index 39da59a812960feb7aa62069b99474d71f9c1f3f..89da7e06930324f6004fd6b0509c79ea740c26e7 100644
|
| --- a/srtp/crypto/include/null_cipher.h
|
| +++ b/srtp/crypto/include/aes_icm_ossl.h
|
| @@ -1,34 +1,33 @@
|
| /*
|
| - * null-cipher.h
|
| - *
|
| - * header file for the null cipher
|
| + * aes_icm.h
|
| *
|
| + * 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
|
| @@ -44,37 +43,31 @@
|
| *
|
| */
|
|
|
| +#ifndef AES_ICM_H
|
| +#define AES_ICM_H
|
|
|
| -#ifndef NULL_CIPHER_H
|
| -#define NULL_CIPHER_H
|
| -
|
| -#include "datatypes.h"
|
| #include "cipher.h"
|
| +#include <openssl/evp.h>
|
| +#include <openssl/aes.h>
|
|
|
| -typedef struct {
|
| - char foo ;/* empty, for now */
|
| -} null_cipher_ctx_t;
|
| -
|
| -
|
| -/*
|
| - * none of these functions do anything (though future versions may keep
|
| - * track of bytes encrypted, number of instances, and/or other info).
|
| - */
|
| +#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
|
|
|
| -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);
|
| +typedef struct {
|
| + 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
|
| -null_cipher_encrypt(null_cipher_ctx_t *c,
|
| - unsigned char *buf, unsigned int *bytes_to_encr);
|
| +err_status_t aes_icm_openssl_set_iv(aes_icm_ctx_t *c, void *iv, int dir);
|
|
|
|
|
| -err_status_t
|
| -null_cipher_encrypt_aligned(null_cipher_ctx_t *c,
|
| - unsigned char *buf, int bytes_to_encr);
|
| +#endif /* AES_ICM_H */
|
|
|
| -#endif /* NULL_CIPHER_H */
|
|
|