[164] | 1 | /* dsa.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 | #ifndef WOLF_CRYPT_DSA_H
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| 23 | #define WOLF_CRYPT_DSA_H
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| 24 |
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| 25 | #include <wolfssl/wolfcrypt/types.h>
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| 26 |
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| 27 | #ifndef NO_DSA
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| 28 |
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| 29 | #include <wolfssl/wolfcrypt/integer.h>
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| 30 | #include <wolfssl/wolfcrypt/random.h>
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| 31 |
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| 32 | /* for DSA reverse compatibility */
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| 33 | #define InitDsaKey wc_InitDsaKey
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| 34 | #define FreeDsaKey wc_FreeDsaKey
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| 35 | #define DsaSign wc_DsaSign
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| 36 | #define DsaVerify wc_DsaVerify
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| 37 | #define DsaPublicKeyDecode wc_DsaPublicKeyDecode
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| 38 | #define DsaPrivateKeyDecode wc_DsaPrivateKeyDecode
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| 39 | #define DsaKeyToDer wc_DsaKeyToDer
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| 40 |
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| 41 | #ifdef __cplusplus
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| 42 | extern "C" {
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| 43 | #endif
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| 44 |
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| 45 |
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| 46 | enum {
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| 47 | DSA_PUBLIC = 0,
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| 48 | DSA_PRIVATE = 1
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| 49 | };
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| 50 |
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| 51 | /* DSA */
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| 52 | typedef struct DsaKey {
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| 53 | mp_int p, q, g, y, x;
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| 54 | int type; /* public or private */
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| 55 | } DsaKey;
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| 56 |
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| 57 | WOLFSSL_API void wc_InitDsaKey(DsaKey* key);
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| 58 | WOLFSSL_API void wc_FreeDsaKey(DsaKey* key);
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| 59 | WOLFSSL_API int wc_DsaSign(const byte* digest, byte* out,
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| 60 | DsaKey* key, WC_RNG* rng);
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| 61 | WOLFSSL_API int wc_DsaVerify(const byte* digest, const byte* sig,
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| 62 | DsaKey* key, int* answer);
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| 63 | WOLFSSL_API int wc_DsaPublicKeyDecode(const byte* input, word32* inOutIdx,
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| 64 | DsaKey*, word32);
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| 65 | WOLFSSL_API int wc_DsaPrivateKeyDecode(const byte* input, word32* inOutIdx,
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| 66 | DsaKey*, word32);
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| 67 | WOLFSSL_API int wc_DsaKeyToDer(DsaKey* key, byte* output, word32 inLen);
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| 68 |
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| 69 | #ifdef WOLFSSL_KEY_GEN
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| 70 | WOLFSSL_API int wc_MakeDsaKey(WC_RNG *rng, DsaKey *dsa);
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| 71 | WOLFSSL_API int wc_MakeDsaParameters(WC_RNG *rng, int modulus_size, DsaKey *dsa);
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| 72 | #endif
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| 73 |
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| 74 | #ifdef __cplusplus
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| 75 | } /* extern "C" */
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| 76 | #endif
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| 77 |
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| 78 | #endif /* NO_DSA */
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| 79 | #endif /* WOLF_CRYPT_DSA_H */
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| 80 |
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