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|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| //================================================================================== | ||
| // BSD 2-Clause License | ||
| // | ||
| // Copyright (c) 2014-2024, NJIT, Duality Technologies Inc. and other contributors | ||
| // | ||
| // All rights reserved. | ||
| // | ||
| // Author TPOC: contact@openfhe.org | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are met: | ||
| // | ||
| // 1. Redistributions of source code must retain the above copyright notice, this | ||
| // list of conditions and the following disclaimer. | ||
| // | ||
| // 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| // this list of conditions and the following disclaimer in the documentation | ||
| // and/or other materials provided with the distribution. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| //================================================================================== | ||
|
|
||
| // ATTENTION: enable this example for g++ on Linux only | ||
| //================================================================================== | ||
| #if (defined(__linux__) || defined(__unix__)) && !defined(__APPLE__) && defined(__GNUC__) | ||
| //================================================================================== | ||
| #pragma GCC push_options | ||
| #pragma GCC optimize("O0") // Disable optimizations for this file | ||
| //================================================================================== | ||
|
|
||
| #include "math/distributiongenerator.h" | ||
| #include <random> | ||
| #include <iostream> | ||
|
|
||
| void usage() { | ||
| std::cerr << "Usage: ./external-prng [absolute path to the external PRNG library]" << std::endl; | ||
| std::cerr << " " << "If no absolute library path is provided, then the built-in OpenFHE's PRNG is used" << std::endl; | ||
| } | ||
|
|
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| int main(int argc, char** argv) { | ||
| if(argc > 1) { | ||
| std::string arg = argv[1]; | ||
| // handle -h | ||
| if (arg == "-h") { | ||
| usage(); | ||
| exit(0); | ||
| } | ||
|
|
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| std::cerr << "==== Using external PRNG" << std::endl; | ||
| lbcrypto::PseudoRandomNumberGenerator::InitPRNGEngine(arg); | ||
| } | ||
| else { | ||
| std::cerr << "==== Using OpenFHE's built-in PRNG" << std::endl; | ||
| } | ||
|
|
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| std::uniform_int_distribution<> dis(0, 10); | ||
| for ( size_t i = 0; i < 5; ++i) { | ||
| [[maybe_unused]] int randomNum = dis(lbcrypto::PseudoRandomNumberGenerator::GetPRNG()); | ||
| } | ||
|
|
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| return 0; | ||
| } | ||
|
|
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| //================================================================================== | ||
| #pragma GCC pop_options // Restore the previous optimization level | ||
| //================================================================================== | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| //================================================================================== | ||
| // BSD 2-Clause License | ||
| // | ||
| // Copyright (c) 2014-2024, NJIT, Duality Technologies Inc. and other contributors | ||
| // | ||
| // All rights reserved. | ||
| // | ||
| // Author TPOC: contact@openfhe.org | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are met: | ||
| // | ||
| // 1. Redistributions of source code must retain the above copyright notice, this | ||
| // list of conditions and the following disclaimer. | ||
| // | ||
| // 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| // this list of conditions and the following disclaimer in the documentation | ||
| // and/or other materials provided with the distribution. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| //================================================================================== | ||
| #include "utils/memory.h" | ||
|
|
||
| namespace lbcrypto { | ||
|
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| void secure_memset(void* mem, uint8_t c, size_t len) { | ||
| volatile uint8_t* volatile ptr = (volatile uint8_t* volatile)mem; | ||
| for(size_t i = 0; i< len; ++i) | ||
| *(ptr+i) = c; | ||
| } | ||
|
|
||
| } // namespace lbcrypto |
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