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Ubiquitous/XiUOS/framework/security/crypto/include/qn.h

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+/*
+* Copyright (c) 2020 AIIT Ubiquitous Team
+* XiUOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+* @file qn.h
+* @brief arithmetic in extention field, and arithmetic in group G2, frobenius and LastPower in BiLinearPairing
+* @version 1.0 
+* @author AIIT Ubiquitous Team
+* @date 2021-04-24
+*/
+
+#ifndef QN_H
+#define QN_H
+
+#include <ecc.h>
+
+typedef struct q2_num {
+    big8w high;
+    big8w low;
+} q2;
+
+typedef struct G2_q2group_point {
+    q2 x;
+    q2 y;
+} G2point;
+
+typedef struct q4_num {
+    q2 high;
+    q2 low;
+} q4;
+
+typedef struct q12_num {
+    
+    q4 high;
+    q4 mid;
+    q4 low;
+
+} q12;
+
+typedef struct big_12bignum {
+    big8w word[12];
+} big_12big;
+
+extern big8w t; // sm9 ecc parameter
+extern big8w qnr; // (-1/2) mod curve.q
+extern big8w frobenius_constant_1[12];
+extern big8w frobenius_constant_2[12];
+
+void G2pointPrint(G2point *point);
+void Q12Print(q12* number);
+void Q12To12big(q12 *num, big_12big *ret);
+G2point G2PointAdd(G2point point1, G2point point2);
+G2point G2PointMult(big8w num, G2point point);
+void Q12Zero(q12 *num);
+q12 Q12MultMod(q12 a, q12 b);
+q12 Q12PowerMod(q12 g, big8w r);
+void Q12Frobenius(q12 *f, uint8_t flag);
+void G2pointFrobenius(G2point Q, G2point* Q1, uint8_t flag);
+void Line(G1point P, G2point *T, G2point Q, bool doubleflag, q12 *f);
+void LastPower(q12 *f);
+
+#endif