| Ethan Yonker | 1e4a199 | 2014-11-06 09:05:01 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer in the |
| 10 | * documentation and/or other materials provided with the distribution. |
| 11 | * * Neither the name of Google Inc. nor the names of its contributors may |
| 12 | * be used to endorse or promote products derived from this software |
| 13 | * without specific prior written permission. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 17 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 18 | * EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 19 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 21 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 22 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 23 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 24 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_ |
| 28 | #define SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_ |
| 29 | |
| 30 | // Using current directory as relative include path here since |
| 31 | // this code typically gets lifted into a variety of build systems |
| 32 | // and directory structures. |
| 33 | #include "p256.h" |
| 34 | |
| 35 | #ifdef __cplusplus |
| 36 | extern "C" { |
| 37 | #endif |
| 38 | |
| 39 | // Returns 0 if {r,s} is not a signature on message for |
| 40 | // public key {key_x,key_y}. |
| 41 | // |
| 42 | // Note: message is a p256_int. |
| 43 | // Convert from a binary string using p256_from_bin(). |
| 44 | int p256_ecdsa_verify(const p256_int* key_x, |
| 45 | const p256_int* key_y, |
| 46 | const p256_int* message, |
| 47 | const p256_int* r, const p256_int* s); |
| 48 | |
| 49 | #ifdef __cplusplus |
| 50 | } |
| 51 | #endif |
| 52 | |
| 53 | #endif // SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_ |