| Index: libsrtp/crypto/include/rand_source.h
|
| ===================================================================
|
| --- libsrtp/crypto/include/rand_source.h (revision 0)
|
| +++ libsrtp/crypto/include/rand_source.h (revision 0)
|
| @@ -0,0 +1,91 @@
|
| +/*
|
| + * rand_source.h
|
| + *
|
| + * implements a random source based on /dev/random
|
| + *
|
| + * David A. McGrew
|
| + * Cisco Systems, Inc.
|
| + */
|
| +/*
|
| + *
|
| + * Copyright(c) 2001-2006 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 RAND_SOURCE
|
| +#define RAND_SOURCE
|
| +
|
| +#include "err.h"
|
| +#include "datatypes.h"
|
| +
|
| +err_status_t
|
| +rand_source_init(void);
|
| +
|
| +/*
|
| + * rand_source_get_octet_string() writes a random octet string.
|
| + *
|
| + * The function call rand_source_get_octet_string(dest, len) writes
|
| + * len octets of random data to the location to which dest points,
|
| + * and returns an error code. This error code should be checked,
|
| + * and if a failure is reported, the data in the buffer MUST NOT
|
| + * be used.
|
| + *
|
| + * warning: If the return code is not checked, then non-random
|
| + * data may inadvertently be used.
|
| + *
|
| + * returns:
|
| + * - err_status_ok if no problems occured.
|
| + * - [other] a problem occured, and no assumptions should
|
| + * be made about the contents of the destination
|
| + * buffer.
|
| + */
|
| +
|
| +err_status_t
|
| +rand_source_get_octet_string(void *dest, uint32_t length);
|
| +
|
| +err_status_t
|
| +rand_source_deinit(void);
|
| +
|
| +/*
|
| + * function prototype for a random source function
|
| + *
|
| + * A rand_source_func_t writes num_octets at the location indicated by
|
| + * dest and returns err_status_ok. Any other return value indicates
|
| + * failure.
|
| + */
|
| +
|
| +typedef err_status_t (*rand_source_func_t)
|
| + (void *dest, uint32_t num_octets);
|
| +
|
| +#endif /* RAND_SOURCE */
|
|
|
| Property changes on: libsrtp/crypto/include/rand_source.h
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|