59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
|
/* rsa.h
|
||
|
|
**
|
||
|
|
** Copyright 2008, 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_RSA_H_
|
||
|
|
#define SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
|
||
|
|
|
||
|
|
#include <inttypes.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define RSANUMBYTES 256 /* 2048 bit key length */
|
||
|
|
#define RSANUMWORDS (RSANUMBYTES / sizeof(uint32_t))
|
||
|
|
|
||
|
|
typedef struct RSAPublicKey {
|
||
|
|
int len; /* Length of n[] in number of uint32_t */
|
||
|
|
uint32_t n0inv; /* -1 / n[0] mod 2^32 */
|
||
|
|
uint32_t n[RSANUMWORDS]; /* modulus as little endian array */
|
||
|
|
uint32_t rr[RSANUMWORDS]; /* R^2 as little endian array */
|
||
|
|
int exponent; /* 3 or 65537 */
|
||
|
|
} RSAPublicKey;
|
||
|
|
|
||
|
|
int RSA_verify(const RSAPublicKey *key,
|
||
|
|
const uint8_t* signature,
|
||
|
|
const int len,
|
||
|
|
const uint8_t* hash,
|
||
|
|
const int hash_len);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
|