HElib
=====
***March 2018:*** Re-implementation of homomorphic linear transformations, featuring speedups of 15x to 75x.
***Dec 2017-Jan 2018:*** Added some routines for addition/multiplication and
comparisons of integers in binary representation, and for homomorphic table
lookup. See the supported interfaces in `binaryArith.h`, `binaryCompare.h`,
and `tableLookup.h`. Some examples are in `Test_binaryArith.cpp`,
`Test_binaryCompare.cpp`, and `Test_tableLookup.cpp`.
The inputs and putputs to the new routines are logically vectors of Ctxt objects
(one Ctxt per bit in the binary representation). These vectors are wrapped by
the new `CtPtrs` wrapper (see `CtPtrs.h` and the underlying `PtrsVector.h` and
`PtrsMatrix.h`). Hence the same logic will work for any type of input that can
be mapped logically to arrays of `Ctxt`s, as long as one can wrap them with the
same wrapper class. In particular, we implementated wrappers for
`std::vector<Ctxt>`, `std::vector<Ctxt*>`, `NTL::Vec<Ctxt>` and
`NTL::Vec<Ctxt*>`.
-----------------------------------------------------------------------------
HElib is a software library that implements [homomorphic encryption][6] (HE).
Currently available is an implementation of the
[Brakerski-Gentry-Vaikuntanathan][1] (BGV) scheme, along with many
optimizations to make homomorphic evaluation runs faster, focusing mostly on
effective use of the [Smart-Vercauteren][2] ciphertext packing techniques and
the [Gentry-Halevi-Smart][3] optimizations. See [this report][7] for a
description of a few of the algorithms using in this library. Starting
December 2014, the library also includes [bootstrapping][8].
At its present state, this library is mostly meant for researchers working on
HE and its uses. Also currently it is fairly low-level, and is best thought of
as "assembly language for HE". That is, it provides low-level routines (set,
add, multiply, shift, etc.), with as much access to optimizations as we can
give. Hopefully in time we will be able to provide higher-level routines.
This library is written in C++ and uses the [NTL mathematical library][4]
(version 10.0.0 or higher). As of March 2015, it also supports multi-threading.
HElib is distributed under the terms of the [Apache License v2.0][5].
For more information see the [GitHub Pages][9].
[1]: http://eprint.iacr.org/2011/277 "BGV12"
[2]: http://eprint.iacr.org/2011/133 "SV11"
[3]: http://eprint.iacr.org/2012/099 "GHS12"
[4]: http://www.shoup.net/ntl/ "NTL"
[5]: http://www.apache.org/licenses/LICENSE-2.0 "Apache-v2.0"
[6]: http://en.wikipedia.org/wiki/Homomorphic_encryption "Homomorphic encryption"
[7]: http://eprint.iacr.org/2014/106 "algorithms"
[8]: http://eprint.iacr.org/2014/873 "bootstrapping"
[9]: http://shaih.github.io/HElib "GitHubPages"
HElib-master.zip_HElib_helib怎么用_linux helib_全同态_同态加密
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HElib-master.zip_HElib_helib怎么用_linux helib_全同态_同态加密 （131个子文件） 
he-library.bib 3KB iotest_binBE.bin 7KB iotest_binLE.bin 7KB matmul.cpp 69KB Ctxt.cpp 43KB NumbTh.cpp 37KB binaryArith.cpp 37KB recryption.cpp 33KB DoubleCRT.cpp 30KB homAES.cpp 30KB OptimizePermutations.cpp 30KB FHE.cpp 29KB EncryptedArray.cpp 28KB matmul1D.cpp 28KB polyEval.cpp 27KB PAlgebra.cpp 25KB powerful.cpp 22KB EvalMap.cpp 21KB FHEContext.cpp 21KB Test_Timing.cpp 19KB replicate.cpp 18KB permutations.cpp 17KB matmul.cpp 17KB simpleAES.cpp 15KB blockMatmul1D.cpp 14KB CModulus.cpp 14KB Test_bootstrapping.cpp 13KB Test_SPX.cpp 13KB Test_binaryArith.cpp 12KB KeySwitching.cpp 12KB Test_matmul.cpp 12KB Test_ThinBootstrapping.cpp 11KB matching.cpp 11KB Test_General.cpp 11KB Test_Permutations.cpp 10KB intraSlot.cpp 10KB blockMatmul.cpp 10KB tableLookup.cpp 10KB Test_Bin_IO.cpp 9KB Test_AES.cpp 9KB BenesNetwork.cpp 9KB PermNetwork.cpp 8KB Test_IO.cpp 8KB Test_EvalMap.cpp 8KB params.cpp 8KB Test_binaryCompare.cpp 8KB Test_Powerful.cpp 7KB Test_ThinEvalMap.cpp 7KB Test_tableLookup.cpp 7KB Test_matmul.cpp 7KB hypercube.cpp 7KB binaryCompare.cpp 7KB IndexSet.cpp 6KB Test_Replicate.cpp 6KB Test_PolyEval.cpp 5KB Test_multiAut.cpp 5KB rotations.cpp 5KB Test_PtrVector.cpp 5KB eqtesting.cpp 4KB binio.cpp 4KB Test_eqtesting.cpp 4KB bluestein.cpp 4KB Test_extractDigits.cpp 3KB timing.cpp 3KB extractDigits.cpp 3KB Test_matching.cpp 3KB Test_intraSlot.cpp 3KB Test_PAlgebra.cpp 2KB debugging.cpp 2KB cgauss.cpp 2KB MagicPoly.cpp 2KB mainpage.dox 7KB Doxyfile 101KB .gitignore 288B SPX.h 45KB EncryptedArray.h 33KB NumbTh.h 25KB Ctxt.h 23KB PAlgebra.h 22KB permutations.h 19KB FHE.h 18KB FHE.h 17KB powerful.h 14KB hypercube.h 14KB DoubleCRT.h 12KB matmul.h 12KB FHEContext.h 12KB matmul.h 11KB randomMatrices.h 9KB PtrVector.h 9KB PtrMatrix.h 7KB replicate.h 5KB IndexSet.h 5KB cloned_ptr.h 4KB IndexMap.h 4KB CModulus.h 4KB tableLookup.h 4KB multiAutomorph.h 4KB recryption.h 4KB timing.h 4KB共 131 条
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