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618 lines
17 KiB
618 lines
17 KiB
#include <mcl/she.h>
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#define CYBOZU_TEST_DISABLE_AUTO_RUN
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#include <cybozu/test.hpp>
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#include <cybozu/option.hpp>
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#include <fstream>
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const size_t hashSize = 1 << 10;
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const size_t tryNum = 1024;
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CYBOZU_TEST_AUTO(init)
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{
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#if MCLBN_FP_UNIT_SIZE == 4
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int curve = MCL_BN254;
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#elif MCLBN_FP_UNIT_SIZE == 6 && MCLBN_FR_UNIT_SIZE == 4
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int curve = MCL_BLS12_381;
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#elif MCLBN_FP_UNIT_SIZE == 6 && MCLBN_FR_UNIT_SIZE == 6
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int curve = MCL_BN381_1;
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#elif MCLBN_FP_UNIT_SIZE == 8
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int curve = MCL_BN462;
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#endif
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int ret;
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printf("curve=%d\n", curve);
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ret = sheInit(curve, MCLBN_COMPILED_TIME_VAR);
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CYBOZU_TEST_EQUAL(ret, 0);
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ret = sheSetRangeForDLP(hashSize);
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CYBOZU_TEST_EQUAL(ret, 0);
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}
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CYBOZU_TEST_AUTO(encDec)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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int64_t m = 123;
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sheCipherTextG1 c1;
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sheCipherTextG2 c2;
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sheCipherTextGT ct;
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sheEncG1(&c1, &pub, m);
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sheEncG2(&c2, &pub, m);
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sheEncGT(&ct, &pub, m);
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int64_t dec;
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CYBOZU_TEST_EQUAL(sheDecG1(&dec, &sec, &c1), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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CYBOZU_TEST_EQUAL(sheDecG1ViaGT(&dec, &sec, &c1), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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CYBOZU_TEST_EQUAL(sheDecG2(&dec, &sec, &c2), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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CYBOZU_TEST_EQUAL(sheDecG2ViaGT(&dec, &sec, &c2), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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for (int m = -30; m < 30; m++) {
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dec = 0;
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sheEncG1(&c1, &pub, m);
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CYBOZU_TEST_EQUAL(sheDecG1(&dec, &sec, &c1), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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CYBOZU_TEST_EQUAL(sheIsZeroG1(&sec, &c1), m == 0);
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dec = 0;
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sheEncG2(&c2, &pub, m);
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CYBOZU_TEST_EQUAL(sheDecG2(&dec, &sec, &c2), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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CYBOZU_TEST_EQUAL(sheIsZeroG2(&sec, &c2), m == 0);
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dec = 0;
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sheEncGT(&ct, &pub, m);
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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CYBOZU_TEST_EQUAL(sheIsZeroGT(&sec, &ct), m == 0);
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}
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for (int m = -30; m < 30; m++) {
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dec = 0;
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sheEncG1(&c1, &pub, 1);
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sheMulG1(&c1, &c1, m);
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CYBOZU_TEST_EQUAL(sheDecG1(&dec, &sec, &c1), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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sheEncG2(&c2, &pub, 1);
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sheMulG2(&c2, &c2, m);
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CYBOZU_TEST_EQUAL(sheDecG2(&dec, &sec, &c2), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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sheEncGT(&ct, &pub, 1);
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sheMulGT(&ct, &ct, m);
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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}
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}
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CYBOZU_TEST_AUTO(addMul)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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int64_t m1 = 12;
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int64_t m2 = -9;
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sheCipherTextG1 c1;
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sheCipherTextG2 c2;
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sheCipherTextGT ct;
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sheEncG1(&c1, &pub, m1);
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sheEncG2(&c2, &pub, m2);
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sheMul(&ct, &c1, &c2);
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int64_t dec;
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, m1 * m2);
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}
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CYBOZU_TEST_AUTO(allOp)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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int64_t m1 = 12;
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int64_t m2 = -9;
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int64_t m3 = 12;
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int64_t m4 = -9;
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int64_t dec;
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sheCipherTextG1 c11, c12;
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sheCipherTextG2 c21, c22;
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sheCipherTextGT ct;
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sheEncG1(&c11, &pub, m1);
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sheNegG1(&c12, &c11);
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CYBOZU_TEST_EQUAL(sheDecG1(&dec, &sec, &c12), 0);
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CYBOZU_TEST_EQUAL(dec, -m1);
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sheEncG1(&c12, &pub, m2);
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sheSubG1(&c11, &c11, &c12); // m1 - m2
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sheMulG1(&c11, &c11, 4); // 4 * (m1 - m2)
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sheEncG2(&c21, &pub, m3);
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sheNegG2(&c22, &c21);
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CYBOZU_TEST_EQUAL(sheDecG2(&dec, &sec, &c22), 0);
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CYBOZU_TEST_EQUAL(dec, -m3);
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sheEncG2(&c22, &pub, m4);
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sheSubG2(&c21, &c21, &c22); // m3 - m4
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sheMulG2(&c21, &c21, -5); // -5 * (m3 - m4)
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sheMul(&ct, &c11, &c21); // -20 * (m1 - m2) * (m3 - m4)
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sheAddGT(&ct, &ct, &ct); // -40 * (m1 - m2) * (m3 - m4)
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sheMulGT(&ct, &ct, -4); // 160 * (m1 - m2) * (m3 - m4)
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int64_t t = 160 * (m1 - m2) * (m3 - m4);
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, t);
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sheCipherTextGT ct2;
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sheNegGT(&ct2, &ct);
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct2), 0);
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CYBOZU_TEST_EQUAL(dec, -t);
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}
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CYBOZU_TEST_AUTO(rerand)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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int64_t m1 = 12;
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int64_t m2 = -9;
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int64_t m3 = 12;
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sheCipherTextG1 c1;
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sheCipherTextG2 c2;
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sheCipherTextGT ct1, ct2;
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sheEncG1(&c1, &pub, m1);
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sheReRandG1(&c1, &pub);
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sheEncG2(&c2, &pub, m2);
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sheReRandG2(&c2, &pub);
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sheEncGT(&ct1, &pub, m3);
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sheReRandGT(&ct1, &pub);
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sheMul(&ct2, &c1, &c2);
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sheReRandGT(&ct2, &pub);
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sheAddGT(&ct1, &ct1, &ct2);
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int64_t dec;
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct1), 0);
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CYBOZU_TEST_EQUAL(dec, m1 * m2 + m3);
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}
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CYBOZU_TEST_AUTO(serialize)
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{
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sheSecretKey sec1, sec2;
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sheSecretKeySetByCSPRNG(&sec1);
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shePublicKey pub1, pub2;
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sheGetPublicKey(&pub1, &sec1);
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char buf1[4096], buf2[4096];
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size_t n1, n2;
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size_t r, size;
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const size_t sizeofFr = mclBn_getFrByteSize();
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const size_t sizeofFp = mclBn_getG1ByteSize();
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size = sizeofFr * 2;
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n1 = sheSecretKeySerialize(buf1, sizeof(buf1), &sec1);
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CYBOZU_TEST_EQUAL(n1, size);
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r = sheSecretKeyDeserialize(&sec2, buf1, n1);
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CYBOZU_TEST_EQUAL(r, n1);
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n2 = sheSecretKeySerialize(buf2, sizeof(buf2), &sec2);
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CYBOZU_TEST_EQUAL(n2, size);
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CYBOZU_TEST_EQUAL_ARRAY(buf1, buf2, n2);
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size = sizeofFp * 3;
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n1 = shePublicKeySerialize(buf1, sizeof(buf1), &pub1);
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CYBOZU_TEST_EQUAL(n1, size);
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r = shePublicKeyDeserialize(&pub2, buf1, n1);
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CYBOZU_TEST_EQUAL(r, n1);
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n2 = shePublicKeySerialize(buf2, sizeof(buf2), &pub2);
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CYBOZU_TEST_EQUAL(n2, size);
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CYBOZU_TEST_EQUAL_ARRAY(buf1, buf2, n2);
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int m = 123;
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sheCipherTextG1 c11, c12;
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sheCipherTextG2 c21, c22;
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sheCipherTextGT ct1, ct2;
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sheEncG1(&c11, &pub2, m);
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sheEncG2(&c21, &pub2, m);
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sheEncGT(&ct1, &pub2, m);
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size = sizeofFp * 2;
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n1 = sheCipherTextG1Serialize(buf1, sizeof(buf1), &c11);
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CYBOZU_TEST_EQUAL(n1, size);
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r = sheCipherTextG1Deserialize(&c12, buf1, n1);
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CYBOZU_TEST_EQUAL(r, n1);
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n2 = sheCipherTextG1Serialize(buf2, sizeof(buf2), &c12);
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CYBOZU_TEST_EQUAL(n2, size);
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CYBOZU_TEST_EQUAL_ARRAY(buf1, buf2, n2);
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size = sizeofFp * 4;
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n1 = sheCipherTextG2Serialize(buf1, sizeof(buf1), &c21);
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CYBOZU_TEST_EQUAL(n1, size);
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r = sheCipherTextG2Deserialize(&c22, buf1, n1);
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CYBOZU_TEST_EQUAL(r, n1);
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n2 = sheCipherTextG2Serialize(buf2, sizeof(buf2), &c22);
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CYBOZU_TEST_EQUAL(n2, size);
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CYBOZU_TEST_EQUAL_ARRAY(buf1, buf2, n2);
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size = sizeofFp * 12 * 4;
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n1 = sheCipherTextGTSerialize(buf1, sizeof(buf1), &ct1);
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CYBOZU_TEST_EQUAL(n1, size);
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r = sheCipherTextGTDeserialize(&ct2, buf1, n1);
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CYBOZU_TEST_EQUAL(r, n1);
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n2 = sheCipherTextGTSerialize(buf2, sizeof(buf2), &ct2);
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CYBOZU_TEST_EQUAL(n2, size);
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CYBOZU_TEST_EQUAL_ARRAY(buf1, buf2, n2);
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}
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CYBOZU_TEST_AUTO(convert)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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sheCipherTextGT ct;
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const int64_t m = 123;
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int64_t dec;
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sheCipherTextG1 c1;
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sheEncG1(&c1, &pub, m);
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CYBOZU_TEST_EQUAL(sheDecG1(&dec, &sec, &c1), 0);
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CYBOZU_TEST_EQUAL(dec, 123);
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sheConvertG1(&ct, &pub, &c1);
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dec = 0;
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, 123);
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sheCipherTextG2 c2;
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sheEncG2(&c2, &pub, m);
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CYBOZU_TEST_EQUAL(sheDecG2(&dec, &sec, &c2), 0);
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CYBOZU_TEST_EQUAL(dec, 123);
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sheConvertG2(&ct, &pub, &c2);
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dec = 0;
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, 123);
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}
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CYBOZU_TEST_AUTO(precomputed)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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shePrecomputedPublicKey *ppub = shePrecomputedPublicKeyCreate();
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CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyInit(ppub, &pub), 0);
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const int64_t m = 152;
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sheCipherTextG1 c1;
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sheCipherTextG2 c2;
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sheCipherTextGT ct;
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int64_t dec = 0;
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CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyEncG1(&c1, ppub, m), 0);
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CYBOZU_TEST_EQUAL(sheDecG1(&dec, &sec, &c1), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyEncG2(&c2, ppub, m), 0);
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CYBOZU_TEST_EQUAL(sheDecG2(&dec, &sec, &c2), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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dec = 0;
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CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyEncGT(&ct, ppub, m), 0);
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CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
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CYBOZU_TEST_EQUAL(dec, m);
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shePrecomputedPublicKeyDestroy(ppub);
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}
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template<class CT, class PK, class encWithZkpFunc, class decFunc, class verifyFunc>
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void ZkpBinTest(const sheSecretKey *sec, const PK *pub, encWithZkpFunc encWithZkp, decFunc dec, verifyFunc verify)
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{
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CT c;
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sheZkpBin zkp;
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for (int m = 0; m < 2; m++) {
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CYBOZU_TEST_EQUAL(encWithZkp(&c, &zkp, pub, m), 0);
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mclInt mDec;
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CYBOZU_TEST_EQUAL(dec(&mDec, sec, &c), 0);
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CYBOZU_TEST_EQUAL(mDec, m);
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CYBOZU_TEST_EQUAL(verify(pub, &c, &zkp), 1);
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{
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char buf[4096];
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size_t n = sheZkpBinSerialize(buf, sizeof(buf), &zkp);
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CYBOZU_TEST_EQUAL(n, mclBn_getFrByteSize() * CYBOZU_NUM_OF_ARRAY(zkp.d));
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sheZkpBin zkp2;
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size_t r = sheZkpBinDeserialize(&zkp2, buf, n);
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CYBOZU_TEST_EQUAL(r, n);
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CYBOZU_TEST_EQUAL(r, n);
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(zkp.d); i++) {
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CYBOZU_TEST_ASSERT(mclBnFr_isEqual(&zkp.d[i], &zkp2.d[i]));
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}
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}
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zkp.d[0].d[0]++;
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CYBOZU_TEST_EQUAL(verify(pub, &c, &zkp), 0);
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}
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CYBOZU_TEST_ASSERT(encWithZkp(&c, &zkp, pub, 2) != 0);
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}
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CYBOZU_TEST_AUTO(ZkpBin)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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ZkpBinTest<sheCipherTextG1>(&sec, &pub, sheEncWithZkpBinG1, sheDecG1, sheVerifyZkpBinG1);
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ZkpBinTest<sheCipherTextG2>(&sec, &pub, sheEncWithZkpBinG2, sheDecG2, sheVerifyZkpBinG2);
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shePrecomputedPublicKey *ppub = shePrecomputedPublicKeyCreate();
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CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyInit(ppub, &pub), 0);
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ZkpBinTest<sheCipherTextG1>(&sec, ppub, shePrecomputedPublicKeyEncWithZkpBinG1, sheDecG1, shePrecomputedPublicKeyVerifyZkpBinG1);
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ZkpBinTest<sheCipherTextG2>(&sec, ppub, shePrecomputedPublicKeyEncWithZkpBinG2, sheDecG2, shePrecomputedPublicKeyVerifyZkpBinG2);
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shePrecomputedPublicKeyDestroy(ppub);
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}
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template<class PK, class encWithZkpFunc, class verifyFunc>
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void ZkpBinEqTest(const sheSecretKey *sec, const PK *pub, encWithZkpFunc encWithZkp, verifyFunc verify)
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{
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sheCipherTextG1 c1;
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sheCipherTextG2 c2;
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sheZkpBinEq zkp;
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for (int m = 0; m < 2; m++) {
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CYBOZU_TEST_EQUAL(encWithZkp(&c1, &c2, &zkp, pub, m), 0);
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mclInt mDec = -1;
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CYBOZU_TEST_EQUAL(sheDecG1(&mDec, sec, &c1), 0);
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CYBOZU_TEST_EQUAL(mDec, m);
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mDec = -1;
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CYBOZU_TEST_EQUAL(sheDecG2(&mDec, sec, &c2), 0);
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CYBOZU_TEST_EQUAL(mDec, m);
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CYBOZU_TEST_EQUAL(verify(pub, &c1, &c2, &zkp), 1);
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{
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char buf[2048];
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size_t n = sheZkpBinEqSerialize(buf, sizeof(buf), &zkp);
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CYBOZU_TEST_EQUAL(n, mclBn_getFrByteSize() * CYBOZU_NUM_OF_ARRAY(zkp.d));
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sheZkpBinEq zkp2;
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size_t r = sheZkpBinEqDeserialize(&zkp2, buf, n);
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CYBOZU_TEST_EQUAL(r, n);
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(zkp.d); i++) {
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CYBOZU_TEST_ASSERT(mclBnFr_isEqual(&zkp.d[i], &zkp2.d[i]));
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}
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}
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zkp.d[0].d[0]++;
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CYBOZU_TEST_EQUAL(verify(pub, &c1, &c2, &zkp), 0);
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}
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CYBOZU_TEST_ASSERT(encWithZkp(&c1, &c2, &zkp, pub, 2) != 0);
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}
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CYBOZU_TEST_AUTO(ZkpBinEq)
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{
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sheSecretKey sec;
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sheSecretKeySetByCSPRNG(&sec);
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shePublicKey pub;
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sheGetPublicKey(&pub, &sec);
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ZkpBinEqTest(&sec, &pub, sheEncWithZkpBinEq, sheVerifyZkpBinEq);
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shePrecomputedPublicKey *ppub = shePrecomputedPublicKeyCreate();
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CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyInit(ppub, &pub), 0);
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ZkpBinEqTest(&sec, ppub, shePrecomputedPublicKeyEncWithZkpBinEq, shePrecomputedPublicKeyVerifyZkpBinEq);
|
|
|
|
shePrecomputedPublicKeyDestroy(ppub);
|
|
}
|
|
|
|
template<class PK, class encWithZkpFunc, class verifyFunc>
|
|
void ZkpEqTest(const sheSecretKey *sec, const PK *pub, encWithZkpFunc encWithZkp, verifyFunc verify)
|
|
{
|
|
sheCipherTextG1 c1;
|
|
sheCipherTextG2 c2;
|
|
sheZkpEq zkp;
|
|
for (int m = -5; m < 5; m++) {
|
|
CYBOZU_TEST_EQUAL(encWithZkp(&c1, &c2, &zkp, pub, m), 0);
|
|
mclInt mDec = -1;
|
|
CYBOZU_TEST_EQUAL(sheDecG1(&mDec, sec, &c1), 0);
|
|
CYBOZU_TEST_EQUAL(mDec, m);
|
|
mDec = -1;
|
|
CYBOZU_TEST_EQUAL(sheDecG2(&mDec, sec, &c2), 0);
|
|
CYBOZU_TEST_EQUAL(mDec, m);
|
|
CYBOZU_TEST_EQUAL(verify(pub, &c1, &c2, &zkp), 1);
|
|
{
|
|
char buf[2048];
|
|
size_t n = sheZkpEqSerialize(buf, sizeof(buf), &zkp);
|
|
CYBOZU_TEST_EQUAL(n, mclBn_getFrByteSize() * CYBOZU_NUM_OF_ARRAY(zkp.d));
|
|
sheZkpEq zkp2;
|
|
size_t r = sheZkpEqDeserialize(&zkp2, buf, n);
|
|
CYBOZU_TEST_EQUAL(r, n);
|
|
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(zkp.d); i++) {
|
|
CYBOZU_TEST_ASSERT(mclBnFr_isEqual(&zkp.d[i], &zkp2.d[i]));
|
|
}
|
|
}
|
|
zkp.d[0].d[0]++;
|
|
CYBOZU_TEST_EQUAL(verify(pub, &c1, &c2, &zkp), 0);
|
|
}
|
|
}
|
|
|
|
CYBOZU_TEST_AUTO(ZkpEq)
|
|
{
|
|
sheSecretKey sec;
|
|
sheSecretKeySetByCSPRNG(&sec);
|
|
shePublicKey pub;
|
|
sheGetPublicKey(&pub, &sec);
|
|
int m = 123;
|
|
sheCipherTextG1 c1;
|
|
sheEncG1(&c1, &pub, m);
|
|
sheZkpDec zkp;
|
|
int64_t dec;
|
|
CYBOZU_TEST_EQUAL(sheDecWithZkpDecG1(&dec, &zkp, &sec, &c1, &pub), 0);
|
|
CYBOZU_TEST_EQUAL(m, dec);
|
|
CYBOZU_TEST_EQUAL(sheVerifyZkpDecG1(&pub, &c1, m, &zkp), 1);
|
|
CYBOZU_TEST_EQUAL(sheVerifyZkpDecG1(&pub, &c1, m + 1, &zkp), 0);
|
|
sheCipherTextG1 c2;
|
|
sheEncG1(&c2, &pub, m);
|
|
CYBOZU_TEST_EQUAL(sheVerifyZkpDecG1(&pub, &c2, m, &zkp), 0);
|
|
zkp.d[0].d[0]++;
|
|
CYBOZU_TEST_EQUAL(sheVerifyZkpDecG1(&pub, &c1, m, &zkp), 0);
|
|
}
|
|
|
|
CYBOZU_TEST_AUTO(ZkpDec)
|
|
{
|
|
sheSecretKey sec;
|
|
sheSecretKeySetByCSPRNG(&sec);
|
|
shePublicKey pub;
|
|
sheGetPublicKey(&pub, &sec);
|
|
|
|
ZkpEqTest(&sec, &pub, sheEncWithZkpEq, sheVerifyZkpEq);
|
|
|
|
shePrecomputedPublicKey *ppub = shePrecomputedPublicKeyCreate();
|
|
CYBOZU_TEST_EQUAL(shePrecomputedPublicKeyInit(ppub, &pub), 0);
|
|
|
|
ZkpEqTest(&sec, ppub, shePrecomputedPublicKeyEncWithZkpEq, shePrecomputedPublicKeyVerifyZkpEq);
|
|
|
|
shePrecomputedPublicKeyDestroy(ppub);
|
|
}
|
|
|
|
template<class CT, class ENC, class ENCV, class DEC, class SUB, class MUL>
|
|
void IntVecTest(const sheSecretKey& sec, const shePublicKey& pub, const ENC& enc, const ENCV& encv, const DEC& dec, const SUB& sub, const MUL& mul, uint8_t *buf, size_t bufSize)
|
|
{
|
|
CT c1, c2;
|
|
int ret;
|
|
ret = encv(&c1, &pub, buf, bufSize);
|
|
CYBOZU_TEST_EQUAL(ret, 0);
|
|
buf[0] += 5;
|
|
enc(&c2, &pub, 1);
|
|
ret = mul(&c2, &c2, buf, bufSize);
|
|
CYBOZU_TEST_EQUAL(ret, 0);
|
|
sub(&c2, &c2, &c1);
|
|
int64_t d;
|
|
ret = dec(&d, &sec, &c2);
|
|
CYBOZU_TEST_EQUAL(ret, 0);
|
|
CYBOZU_TEST_EQUAL(d, 5);
|
|
}
|
|
|
|
CYBOZU_TEST_AUTO(IntVec)
|
|
{
|
|
sheSecretKey sec;
|
|
sheSecretKeySetByCSPRNG(&sec);
|
|
shePublicKey pub;
|
|
sheGetPublicKey(&pub, &sec);
|
|
uint8_t buf[48];
|
|
size_t n = 32;
|
|
for (size_t i = 0; i < sizeof(buf); i++) {
|
|
buf[i] = uint8_t(i + 5);
|
|
}
|
|
IntVecTest<sheCipherTextG1>(sec, pub, sheEncG1, sheEncIntVecG1, sheDecG1, sheSubG1, sheMulIntVecG1, buf, n);
|
|
IntVecTest<sheCipherTextG2>(sec, pub, sheEncG2, sheEncIntVecG2, sheDecG2, sheSubG2, sheMulIntVecG2, buf, n);
|
|
IntVecTest<sheCipherTextGT>(sec, pub, sheEncGT, sheEncIntVecGT, sheDecGT, sheSubGT, sheMulIntVecGT, buf, n);
|
|
}
|
|
|
|
CYBOZU_TEST_AUTO(finalExp)
|
|
{
|
|
sheSecretKey sec;
|
|
sheSecretKeySetByCSPRNG(&sec);
|
|
shePublicKey pub;
|
|
sheGetPublicKey(&pub, &sec);
|
|
const int64_t m11 = 5;
|
|
const int64_t m12 = 7;
|
|
const int64_t m21 = -3;
|
|
const int64_t m22 = 9;
|
|
sheCipherTextG1 c11, c12;
|
|
sheCipherTextG2 c21, c22;
|
|
sheCipherTextGT ct1, ct2;
|
|
sheCipherTextGT ct;
|
|
sheEncG1(&c11, &pub, m11);
|
|
sheEncG1(&c12, &pub, m12);
|
|
sheEncG2(&c21, &pub, m21);
|
|
sheEncG2(&c22, &pub, m22);
|
|
|
|
int64_t dec;
|
|
// sheMul = sheMulML + sheFinalExpGT
|
|
sheMul(&ct1, &c11, &c21);
|
|
CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct1), 0);
|
|
CYBOZU_TEST_EQUAL(dec, m11 * m21);
|
|
|
|
sheMulML(&ct1, &c11, &c21);
|
|
sheFinalExpGT(&ct, &ct1);
|
|
CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
|
|
CYBOZU_TEST_EQUAL(dec, m11 * m21);
|
|
|
|
sheMulML(&ct2, &c12, &c22);
|
|
sheFinalExpGT(&ct, &ct2);
|
|
CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
|
|
CYBOZU_TEST_EQUAL(dec, m12 * m22);
|
|
|
|
/*
|
|
Mul(c11, c21) + Mul(c21, c22)
|
|
= finalExp(ML(c11, c21) + ML(c21, c22))
|
|
*/
|
|
sheAddGT(&ct, &ct1, &ct2);
|
|
sheFinalExpGT(&ct, &ct);
|
|
CYBOZU_TEST_EQUAL(sheDecGT(&dec, &sec, &ct), 0);
|
|
CYBOZU_TEST_EQUAL(dec, (m11 * m21) + (m12 * m22));
|
|
}
|
|
|
|
int g_hashBitSize = 8;
|
|
std::string g_tableName;
|
|
|
|
CYBOZU_TEST_AUTO(saveLoad)
|
|
{
|
|
sheSecretKey sec;
|
|
sheSecretKeySetByCSPRNG(&sec);
|
|
shePublicKey pub;
|
|
sheGetPublicKey(&pub, &sec);
|
|
const size_t hashSize = 1 << g_hashBitSize;
|
|
const size_t byteSizePerEntry = 8;
|
|
sheSetRangeForGTDLP(hashSize);
|
|
std::string buf;
|
|
buf.resize(hashSize * byteSizePerEntry + 1024);
|
|
const size_t n1 = sheSaveTableForGTDLP(&buf[0], buf.size());
|
|
CYBOZU_TEST_ASSERT(n1 > 0);
|
|
if (!g_tableName.empty()) {
|
|
printf("use table=%s\n", g_tableName.c_str());
|
|
std::ofstream ofs(g_tableName.c_str(), std::ios::binary);
|
|
ofs.write(buf.c_str(), n1);
|
|
}
|
|
const int64_t m = hashSize - 1;
|
|
sheCipherTextGT ct;
|
|
CYBOZU_TEST_ASSERT(sheEncGT(&ct, &pub, m) == 0);
|
|
sheSetRangeForGTDLP(1);
|
|
sheSetTryNum(1);
|
|
int64_t dec = 0;
|
|
CYBOZU_TEST_ASSERT(sheDecGT(&dec, &sec, &ct) != 0);
|
|
if (!g_tableName.empty()) {
|
|
std::ifstream ifs(g_tableName.c_str(), std::ios::binary);
|
|
buf.clear();
|
|
buf.resize(n1);
|
|
ifs.read(&buf[0], n1);
|
|
}
|
|
const size_t n2 = sheLoadTableForGTDLP(&buf[0], n1);
|
|
CYBOZU_TEST_ASSERT(n2 > 0);
|
|
CYBOZU_TEST_ASSERT(sheDecGT(&dec, &sec, &ct) == 0);
|
|
CYBOZU_TEST_EQUAL(dec, m);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
try
|
|
{
|
|
cybozu::Option opt;
|
|
opt.appendOpt(&g_hashBitSize, 8, "bit", ": hashBitSize");
|
|
opt.appendOpt(&g_tableName, "", "f", ": table name");
|
|
opt.appendHelp("h", ": show this message");
|
|
if (!opt.parse(argc, argv)) {
|
|
opt.usage();
|
|
return 1;
|
|
}
|
|
return cybozu::test::autoRun.run(argc, argv);
|
|
} catch (std::exception& e) {
|
|
printf("ERR %s\n", e.what());
|
|
return 1;
|
|
}
|
|
|