a55c186a74
This changes libsnark to build in-place, instead of copying first to a build directory. Previously, modifications made to the original sources wouldn't get rebuilt without a 'make clean' because users would be pointing to the copies. This closes #2689.
106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/**
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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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#ifndef HASH_IO_TCC_
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#define HASH_IO_TCC_
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namespace libsnark {
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template<typename FieldT>
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digest_variable<FieldT>::digest_variable(protoboard<FieldT> &pb,
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const size_t digest_size,
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const std::string &annotation_prefix) :
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gadget<FieldT>(pb, annotation_prefix), digest_size(digest_size)
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{
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bits.allocate(pb, digest_size, FMT(this->annotation_prefix, " bits"));
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}
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template<typename FieldT>
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digest_variable<FieldT>::digest_variable(protoboard<FieldT> &pb,
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const size_t digest_size,
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const pb_variable_array<FieldT> &partial_bits,
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const pb_variable<FieldT> &padding,
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const std::string &annotation_prefix) :
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gadget<FieldT>(pb, annotation_prefix), digest_size(digest_size)
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{
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assert(bits.size() <= digest_size);
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bits = partial_bits;
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while (bits.size() != digest_size)
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{
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bits.emplace_back(padding);
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}
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}
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template<typename FieldT>
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void digest_variable<FieldT>::generate_r1cs_constraints()
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{
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for (size_t i = 0; i < digest_size; ++i)
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{
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generate_boolean_r1cs_constraint<FieldT>(this->pb, bits[i], FMT(this->annotation_prefix, " bits_%zu", i));
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}
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}
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template<typename FieldT>
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void digest_variable<FieldT>::generate_r1cs_witness(const bit_vector& contents)
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{
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bits.fill_with_bits(this->pb, contents);
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}
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template<typename FieldT>
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bit_vector digest_variable<FieldT>::get_digest() const
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{
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return bits.get_bits(this->pb);
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}
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template<typename FieldT>
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block_variable<FieldT>::block_variable(protoboard<FieldT> &pb,
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const size_t block_size,
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const std::string &annotation_prefix) :
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gadget<FieldT>(pb, annotation_prefix), block_size(block_size)
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{
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bits.allocate(pb, block_size, FMT(this->annotation_prefix, " bits"));
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}
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template<typename FieldT>
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block_variable<FieldT>::block_variable(protoboard<FieldT> &pb,
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const std::vector<pb_variable_array<FieldT> > &parts,
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const std::string &annotation_prefix) :
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gadget<FieldT>(pb, annotation_prefix)
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{
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for (auto &part : parts)
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{
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bits.insert(bits.end(), part.begin(), part.end());
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}
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}
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template<typename FieldT>
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block_variable<FieldT>::block_variable(protoboard<FieldT> &pb,
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const digest_variable<FieldT> &left,
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const digest_variable<FieldT> &right,
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const std::string &annotation_prefix) :
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gadget<FieldT>(pb, annotation_prefix)
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{
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assert(left.bits.size() == right.bits.size());
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block_size = 2 * left.bits.size();
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bits.insert(bits.end(), left.bits.begin(), left.bits.end());
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bits.insert(bits.end(), right.bits.begin(), right.bits.end());
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}
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template<typename FieldT>
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void block_variable<FieldT>::generate_r1cs_witness(const bit_vector& contents)
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{
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bits.fill_with_bits(this->pb, contents);
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}
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template<typename FieldT>
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bit_vector block_variable<FieldT>::get_block() const
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{
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return bits.get_bits(this->pb);
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}
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} // libsnark
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#endif // HASH_IO_TCC_
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