Original HUSH source code based on ZEC 1.0.8 . For historical purposes only!
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48 lines
1.8 KiB
48 lines
1.8 KiB
/** @file
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*****************************************************************************
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* @author This file is part of libsnark, developed by SCIPR Lab
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* and contributors (see AUTHORS).
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* @copyright MIT license (see LICENSE file)
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*****************************************************************************/
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#include "common/default_types/ec_pp.hpp"
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#include "common/utils.hpp"
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#include "common/profiling.hpp"
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#include "gadgetlib1/gadgets/hashes/sha256/sha256_gadget.hpp"
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#include <gtest/gtest.h>
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using namespace libsnark;
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template<typename FieldT>
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void test_two_to_one()
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{
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protoboard<FieldT> pb;
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digest_variable<FieldT> left(pb, SHA256_digest_size, "left");
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digest_variable<FieldT> right(pb, SHA256_digest_size, "right");
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digest_variable<FieldT> output(pb, SHA256_digest_size, "output");
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sha256_two_to_one_hash_gadget<FieldT> f(pb, left, right, output, "f");
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f.generate_r1cs_constraints();
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printf("Number of constraints for sha256_two_to_one_hash_gadget: %zu\n", pb.num_constraints());
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const bit_vector left_bv = int_list_to_bits({0x426bc2d8, 0x4dc86782, 0x81e8957a, 0x409ec148, 0xe6cffbe8, 0xafe6ba4f, 0x9c6f1978, 0xdd7af7e9}, 32);
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const bit_vector right_bv = int_list_to_bits({0x038cce42, 0xabd366b8, 0x3ede7e00, 0x9130de53, 0x72cdf73d, 0xee825114, 0x8cb48d1b, 0x9af68ad0}, 32);
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const bit_vector hash_bv = int_list_to_bits({0xeffd0b7f, 0x1ccba116, 0x2ee816f7, 0x31c62b48, 0x59305141, 0x990e5c0a, 0xce40d33d, 0x0b1167d1}, 32);
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left.generate_r1cs_witness(left_bv);
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right.generate_r1cs_witness(right_bv);
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f.generate_r1cs_witness();
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output.generate_r1cs_witness(hash_bv);
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EXPECT_TRUE(pb.is_satisfied());
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}
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TEST(gadgetlib1, sha256)
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{
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start_profiling();
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default_ec_pp::init_public_params();
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test_two_to_one<Fr<default_ec_pp> >();
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}
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