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Diffstat (limited to 'libmincrypt/includes/mincrypt/p256_ecdsa.h')
-rw-r--r-- | libmincrypt/includes/mincrypt/p256_ecdsa.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libmincrypt/includes/mincrypt/p256_ecdsa.h b/libmincrypt/includes/mincrypt/p256_ecdsa.h new file mode 100644 index 000000000..da339fa38 --- /dev/null +++ b/libmincrypt/includes/mincrypt/p256_ecdsa.h @@ -0,0 +1,53 @@ +/* + * Copyright 2013 The Android Open Source Project + * + * 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 Google 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 Google Inc. ``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 Google Inc. 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 SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_ +#define SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_ + +// Using current directory as relative include path here since +// this code typically gets lifted into a variety of build systems +// and directory structures. +#include "p256.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Returns 0 if {r,s} is not a signature on message for +// public key {key_x,key_y}. +// +// Note: message is a p256_int. +// Convert from a binary string using p256_from_bin(). +int p256_ecdsa_verify(const p256_int* key_x, + const p256_int* key_y, + const p256_int* message, + const p256_int* r, const p256_int* s); + +#ifdef __cplusplus +} +#endif + +#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_P256_ECDSA_H_ |