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58 lines
2.4 KiB
58 lines
2.4 KiB
/* rsa.h
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**
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** Copyright 2008, The Android Open Source Project
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** * Neither the name of Google Inc. nor the names of its contributors may
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** be used to endorse or promote products derived from this software
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** without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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** EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
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#define SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
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#include "stdint.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RSANUMBYTES 128 /* 1024 bit key length */
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#define RSANUMWORDS (RSANUMBYTES / sizeof(uint32_t))
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typedef struct RSAPublicKey {
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int len; /* Length of n[] in number of uint32_t */
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uint32_t n0inv; /* -1 / n[0] mod 2^32 */
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uint32_t n[RSANUMWORDS]; /* modulus as little endian array */
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uint32_t rr[RSANUMWORDS]; /* R^2 as little endian array */
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int exponent; /* 3 or 65537 */
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} RSAPublicKey;
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int RSA_verify(const RSAPublicKey *key,
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const uint8_t* signature,
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const int len,
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const uint8_t* hash,
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const int hash_len);
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#ifdef __cplusplus
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}
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#endif
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#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_RSA_H_
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