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| 1 /* |
| 2 * rand_source_ossl.c |
| 3 * |
| 4 * implements a random source based on OpenSSL RAND_bytes() |
| 5 * |
| 6 * John A. Foley |
| 7 * Cisco Systems, Inc. |
| 8 */ |
| 9 /* |
| 10 * |
| 11 * Copyright(c) 2013, Cisco Systems, Inc. |
| 12 * All rights reserved. |
| 13 * |
| 14 * Redistribution and use in source and binary forms, with or without |
| 15 * modification, are permitted provided that the following conditions |
| 16 * are met:crypto/test/aes_calc.c |
| 17 * |
| 18 * Redistributions of source code must retain the above copyright |
| 19 * notice, this list of conditions and the following disclaimer. |
| 20 * |
| 21 * Redistributions in binary form must reproduce the above |
| 22 * copyright notice, this list of conditions and the following |
| 23 * disclaimer in the documentation and/or other materials provided |
| 24 * with the distribution. |
| 25 * |
| 26 * Neither the name of the Cisco Systems, Inc. nor the names of its |
| 27 * contributors may be used to endorse or promote products derived |
| 28 * from this software without specific prior written permission. |
| 29 * |
| 30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 34 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| 35 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 37 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 41 * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 42 * |
| 43 */ |
| 44 |
| 45 #ifdef HAVE_CONFIG_H |
| 46 #include <config.h> |
| 47 #endif |
| 48 |
| 49 #include "rand_source.h" |
| 50 #include <openssl/rand.h> |
| 51 |
| 52 |
| 53 err_status_t rand_source_init (void) |
| 54 { |
| 55 return err_status_ok; |
| 56 } |
| 57 |
| 58 err_status_t rand_source_get_octet_string (void *dest, uint32_t len) |
| 59 { |
| 60 if (RAND_bytes(dest, len) == 1) { |
| 61 return err_status_ok; |
| 62 } else { |
| 63 return err_status_fail; |
| 64 } |
| 65 } |
| 66 |
| 67 err_status_t rand_source_deinit (void) |
| 68 { |
| 69 return err_status_ok; |
| 70 } |
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