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53 lines
1.3 KiB
53 lines
1.3 KiB
#define BN256_DEFINE_STRUCT
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#define BN_MAX_FP_UNIT_SIZE 4
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#include <mcl/bn.h>
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#include <stdio.h>
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int g_err = 0;
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#define ASSERT(x) { if (!(x)) { printf("err %s:%d\n", __FILE__, __LINE__); g_err++; } }
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int main()
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{
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char buf[1024];
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const char *aStr = "1234567788234243234234";
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const char *bStr = "239482098243";
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BN256_init();
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BN256_Fr a, b, ab;
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BN256_G1 P, aP;
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BN256_G2 Q, bQ;
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BN256_GT e, e1, e2;
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BN256_Fr_setStr(&a, aStr);
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BN256_Fr_setStr(&b, bStr);
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BN256_Fr_mul(&ab, &a, &b);
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BN256_Fr_getStr(buf, sizeof(buf), &ab);
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printf("%s x %s = %s\n", aStr, bStr, buf);
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ASSERT(!BN256_G1_setStr(&P, "1 -1 1")); // "1 <x> <y>"
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ASSERT(!BN256_G2_hashAndMapTo(&Q, "1"));
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BN256_G1_getStr(buf, sizeof(buf), &P);
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printf("P = %s\n", buf);
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BN256_G2_getStr(buf, sizeof(buf), &Q);
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printf("Q = %s\n", buf);
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BN256_G1_mul(&aP, &P, &a);
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BN256_G2_mul(&bQ, &Q, &b);
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BN256_pairing(&e, &P, &Q);
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BN256_GT_getStr(buf, sizeof(buf), &e);
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printf("e = %s\n", buf);
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BN256_GT_pow(&e1, &e, &a);
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BN256_pairing(&e2, &aP, &Q);
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ASSERT(BN256_GT_isEqual(&e1, &e2));
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BN256_GT_pow(&e1, &e, &b);
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BN256_pairing(&e2, &P, &bQ);
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ASSERT(BN256_GT_isEqual(&e1, &e2));
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ASSERT(BN256_setErrFile("") == 0);
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if (g_err) {
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printf("err %d\n", g_err);
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return 1;
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} else {
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printf("no err\n");
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return 0;
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}
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}
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