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cyclone_crypto/ecdsa.h@0:8918a71cdbe9, 2017-02-04 (annotated)

Committer:
Sergunb
Date:
Sat Feb 04 18:15:49 2017 +0000
Revision:
0:8918a71cdbe9
nothing else

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Sergunb 0:8918a71cdbe9 1 /**
Sergunb 0:8918a71cdbe9 2 * @file ecdsa.h
Sergunb 0:8918a71cdbe9 3 * @brief ECDSA (Elliptic Curve Digital Signature Algorithm)
Sergunb 0:8918a71cdbe9 4 *
Sergunb 0:8918a71cdbe9 5 * @section License
Sergunb 0:8918a71cdbe9 6 *
Sergunb 0:8918a71cdbe9 7 * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
Sergunb 0:8918a71cdbe9 8 *
Sergunb 0:8918a71cdbe9 9 * This file is part of CycloneCrypto Open.
Sergunb 0:8918a71cdbe9 10 *
Sergunb 0:8918a71cdbe9 11 * This program is free software; you can redistribute it and/or
Sergunb 0:8918a71cdbe9 12 * modify it under the terms of the GNU General Public License
Sergunb 0:8918a71cdbe9 13 * as published by the Free Software Foundation; either version 2
Sergunb 0:8918a71cdbe9 14 * of the License, or (at your option) any later version.
Sergunb 0:8918a71cdbe9 15 *
Sergunb 0:8918a71cdbe9 16 * This program is distributed in the hope that it will be useful,
Sergunb 0:8918a71cdbe9 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Sergunb 0:8918a71cdbe9 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Sergunb 0:8918a71cdbe9 19 * GNU General Public License for more details.
Sergunb 0:8918a71cdbe9 20 *
Sergunb 0:8918a71cdbe9 21 * You should have received a copy of the GNU General Public License
Sergunb 0:8918a71cdbe9 22 * along with this program; if not, write to the Free Software Foundation,
Sergunb 0:8918a71cdbe9 23 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Sergunb 0:8918a71cdbe9 24 *
Sergunb 0:8918a71cdbe9 25 * @author Oryx Embedded SARL (www.oryx-embedded.com)
Sergunb 0:8918a71cdbe9 26 * @version 1.7.6
Sergunb 0:8918a71cdbe9 27 **/
Sergunb 0:8918a71cdbe9 28
Sergunb 0:8918a71cdbe9 29 #ifndef _ECDSA_H
Sergunb 0:8918a71cdbe9 30 #define _ECDSA_H
Sergunb 0:8918a71cdbe9 31
Sergunb 0:8918a71cdbe9 32 //Dependencies
Sergunb 0:8918a71cdbe9 33 #include "crypto.h"
Sergunb 0:8918a71cdbe9 34 #include "ec.h"
Sergunb 0:8918a71cdbe9 35
Sergunb 0:8918a71cdbe9 36
Sergunb 0:8918a71cdbe9 37 /**
Sergunb 0:8918a71cdbe9 38 * @brief ECDSA signature
Sergunb 0:8918a71cdbe9 39 **/
Sergunb 0:8918a71cdbe9 40
Sergunb 0:8918a71cdbe9 41 typedef struct
Sergunb 0:8918a71cdbe9 42 {
Sergunb 0:8918a71cdbe9 43 Mpi r;
Sergunb 0:8918a71cdbe9 44 Mpi s;
Sergunb 0:8918a71cdbe9 45 } EcdsaSignature;
Sergunb 0:8918a71cdbe9 46
Sergunb 0:8918a71cdbe9 47
Sergunb 0:8918a71cdbe9 48 //ECDSA related constants
Sergunb 0:8918a71cdbe9 49 extern const uint8_t ECDSA_WITH_SHA1_OID[7];
Sergunb 0:8918a71cdbe9 50 extern const uint8_t ECDSA_WITH_SHA224_OID[8];
Sergunb 0:8918a71cdbe9 51 extern const uint8_t ECDSA_WITH_SHA256_OID[8];
Sergunb 0:8918a71cdbe9 52 extern const uint8_t ECDSA_WITH_SHA384_OID[8];
Sergunb 0:8918a71cdbe9 53 extern const uint8_t ECDSA_WITH_SHA512_OID[8];
Sergunb 0:8918a71cdbe9 54 extern const uint8_t ECDSA_WITH_SHA3_224_OID[9];
Sergunb 0:8918a71cdbe9 55 extern const uint8_t ECDSA_WITH_SHA3_256_OID[9];
Sergunb 0:8918a71cdbe9 56 extern const uint8_t ECDSA_WITH_SHA3_384_OID[9];
Sergunb 0:8918a71cdbe9 57 extern const uint8_t ECDSA_WITH_SHA3_512_OID[9];
Sergunb 0:8918a71cdbe9 58
Sergunb 0:8918a71cdbe9 59 //ECDSA related functions
Sergunb 0:8918a71cdbe9 60 void ecdsaInitSignature(EcdsaSignature *signature);
Sergunb 0:8918a71cdbe9 61 void ecdsaFreeSignature(EcdsaSignature *signature);
Sergunb 0:8918a71cdbe9 62
Sergunb 0:8918a71cdbe9 63 error_t ecdsaWriteSignature(const EcdsaSignature *signature, uint8_t *data, size_t *length);
Sergunb 0:8918a71cdbe9 64 error_t ecdsaReadSignature(const uint8_t *data, size_t length, EcdsaSignature *signature);
Sergunb 0:8918a71cdbe9 65
Sergunb 0:8918a71cdbe9 66 error_t ecdsaGenerateSignature(const EcDomainParameters *params,
Sergunb 0:8918a71cdbe9 67 const PrngAlgo *prngAlgo, void *prngContext, const Mpi *privateKey,
Sergunb 0:8918a71cdbe9 68 const uint8_t *digest, size_t digestLength, EcdsaSignature *signature);
Sergunb 0:8918a71cdbe9 69
Sergunb 0:8918a71cdbe9 70 error_t ecdsaVerifySignature(const EcDomainParameters *params, const EcPoint *publicKey,
Sergunb 0:8918a71cdbe9 71 const uint8_t *digest, size_t digestLength, const EcdsaSignature *signature);
Sergunb 0:8918a71cdbe9 72
Sergunb 0:8918a71cdbe9 73 #endif
Sergunb 0:8918a71cdbe9 74