Diff: cyclone_crypto/dsa.h

Revision:

0:8918a71cdbe9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cyclone_crypto/dsa.h	Sat Feb 04 18:15:49 2017 +0000
@@ -0,0 +1,107 @@
+/**
+ * @file dsa.h
+ * @brief DSA (Digital Signature Algorithm)
+ *
+ * @section License
+ *
+ * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
+ *
+ * This file is part of CycloneCrypto Open.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * @author Oryx Embedded SARL (www.oryx-embedded.com)
+ * @version 1.7.6
+ **/
+
+#ifndef _DSA_H
+#define _DSA_H
+
+//Dependencies
+#include "crypto.h"
+#include "mpi.h"
+
+
+/**
+ * @brief DSA public key
+ **/
+
+typedef struct
+{
+   Mpi p; ///<Prime modulus
+   Mpi q; ///<Prime divisor
+   Mpi g; ///<Generator of the subgroup
+   Mpi y; ///<Public key
+} DsaPublicKey;
+
+
+/**
+ * @brief DSA private key
+ **/
+
+typedef struct
+{
+   Mpi p; ///<Prime modulus
+   Mpi q; ///<<Prime divisor
+   Mpi g; ///<Generator of the subgroup
+   Mpi x; ///<Private key
+} DsaPrivateKey;
+
+
+/**
+ * @brief DSA signature
+ **/
+
+typedef struct
+{
+   Mpi r;
+   Mpi s;
+} DsaSignature;
+
+
+//DSA related constants
+extern const uint8_t DSA_OID[7];
+extern const uint8_t DSA_WITH_SHA1_OID[7];
+extern const uint8_t DSA_WITH_SHA224_OID[9];
+extern const uint8_t DSA_WITH_SHA256_OID[9];
+extern const uint8_t DSA_WITH_SHA384_OID[9];
+extern const uint8_t DSA_WITH_SHA512_OID[9];
+extern const uint8_t DSA_WITH_SHA3_224_OID[9];
+extern const uint8_t DSA_WITH_SHA3_256_OID[9];
+extern const uint8_t DSA_WITH_SHA3_384_OID[9];
+extern const uint8_t DSA_WITH_SHA3_512_OID[9];
+
+//DSA related functions
+void dsaInitPublicKey(DsaPublicKey *key);
+void dsaFreePublicKey(DsaPublicKey *key);
+
+void dsaInitPrivateKey(DsaPrivateKey *key);
+void dsaFreePrivateKey(DsaPrivateKey *key);
+
+void dsaInitSignature(DsaSignature *signature);
+void dsaFreeSignature(DsaSignature *signature);
+
+error_t dsaWriteSignature(const DsaSignature *signature, uint8_t *data, size_t *length);
+error_t dsaReadSignature(const uint8_t *data, size_t length, DsaSignature *signature);
+
+error_t dsaGenerateSignature(const PrngAlgo *prngAlgo, void *prngContext,
+   const DsaPrivateKey *key, const uint8_t *digest, size_t digestLength,
+   DsaSignature *signature);
+
+error_t dsaVerifySignature(const DsaPublicKey *key,
+   const uint8_t *digest, size_t digestLength, const DsaSignature *signature);
+
+#endif
+