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tests/pkg/relic: add Paillier encryption tests by krzysztof-cabaj · Pull Request #21301 · RIOT-OS/RIOT · GitHub
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This PR adds two tests to Relic library, concerning Paillier encryption:
generation of Paillier public key pair and simple encryption and decryption,
generation of Paillier public key pair, data encryption and addition of encrypted data.
Unfortunately, currently only 512 bit Paillier encryption works - in following weeks I try to figure out why longer keys leads to stack smashing. I tested native with 256 MiB of memory and stack smashing error appears.
Using big enough BN_PRECI in RELIC_CONFIG_FLAGS and appropriate stack size allows usage of longer keys.
With BN_PRECI=4096 and stack size with 114688 bytes on native - Paillier keys 1024 and 2048 bits works.
Testing procedure
Run tests/pkg/relic and check if all tests are successful.
Unfortunately, currently only 512 bit Paillier encryption works - in following weeks I try to figure out why longer keys leads to
stack smashing. I tested native with 256 MiB of memory and stack smashing error appears.
BN_PRECI is set to 1024 by default. Maybe increasing that one helps?
@mguetschow thanks for hint, but ... BN_PRECI set to 2048 allows usage of 1024-bit keys. However, when BN_PRECI is set to 4096 or more ... key generation leads to segmentation fault :(. I try to investigate this topic in free time - and this is probably work for another PR.
We can merge this PR with 512-bits (current version) or I could change it to 1024-bits.
Area: testsArea: tests and testing frameworkCI: ready for buildIf set, CI server will compile all applications for all available boards for the labeled PR
3 participants
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Contribution description
This PR adds two tests to Relic library, concerning Paillier encryption:
Unfortunately, currently only 512 bit Paillier encryption works - in following weeks I try to figure out why longer keys leads to stack smashing. I tested native with 256 MiB of memory and stack smashing error appears.Using big enough
BN_PRECIinRELIC_CONFIG_FLAGSand appropriate stack size allows usage of longer keys.With
BN_PRECI=4096and stack size with 114688 bytes onnative- Paillier keys 1024 and 2048 bits works.Testing procedure
Run
tests/pkg/relicand check if all tests are successful.Issues/PRs references
None