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# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack import *
class Helib(CMakePackage):
"""HElib is an open-source (Apache License v2.0) software library that
implements homomorphic encryption (HE).
Currently available schemes are the implementations of the
Brakerski-Gentry-Vaikuntanathan (BGV) scheme
with bootstrapping and the Approximate Number scheme of Cheon-Kim-Kim-Song
(CKKS), along with many optimizations to make homomorphic evaluation run
faster, focusing mostly on effective use of the Smart-Vercauteren
ciphertext packing techniques and the Gentry-Halevi-Smart optimizations.
"""
homepage = "https://github.com/homenc/HElib"
url = "https://github.com/homenc/HElib/archive/refs/tags/v2.2.1.tar.gz"
maintainers = ['wohlbier']
version('2.2.1', sha256='cbe030c752c915f1ece09681cadfbe4f140f6752414ab000b4cf076b6c3019e4')
version('2.2.0', sha256='e5f82fb0520a76eafdf5044a1f17f512999479d899da8c34335da5e193699b94')
version('2.1.0', sha256='641af0f602cfc7f5f5b1cfde0652252def2dfaf5f7962c2595cf598663637951')
version('2.0.0', sha256='4e371807fe052ca27dce708ea302495a8dae8d1196e16e86df424fb5b0e40524')
version('1.3.1', sha256='8ef47092f6b15fbb484a21f9184e7d936c360198515b6efb9a55d3dfbc2ea4be')
version('1.3.0', sha256='9f69dc5be9197f9ab8cdd81af9a59c12968a0ee11d595b1b1438707ff5405694')
version('1.2.0', sha256='17e0448a3255ab01a1ebd8382f9d08a318e3d192b56d062a1fd65fbb0aadaf67')
version('1.1.0-beta.0', sha256='6a454b029f3805101f714f50ae5199e2b2b86c1e520a659f130837810eabe4b5')
version('1.1.0', sha256='77a912ed3c86f8bde31b7d476321d0c2d810570c04a60fa95c4bd32a1955b5cf')
version('1.0.2', sha256='b907eaa8381af3d001d7fb8383273f4c652415b3320c11d5be2ad8f19757c998')
variant('shared', default=False, description='Build shared library.')
depends_on('gmp@6.2.1:')
depends_on('ntl@11.5.1:')
depends_on('ntl+shared', when='+shared')
def cmake_args(self):
spec = self.spec
args = [
self.define('ENABLE_TEST', 'ON'),
self.define('GMP_DIR', spec['gmp'].prefix),
self.define('NTL_DIR', spec['ntl'].prefix),
self.define_from_variant('BUILD_SHARED', 'shared')
]
return args
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