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A fast implementation of ECC-based Private Set Intersection
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levyfan/SecureID
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A faster implementation of ECC-based DID intersection thanSecureUnionID.The elliptic curve behind is chosen to bebn254 (aka Fp254BNb).
First, you should build and installmcl into system path
git clone https://github.com/herumi/mcl.git --depth 1 --branch v1.76cd mclmkdir buildcd buildcmake ..makesudo make install
Then follow language guides below:
mkdir buildcd buildcmake ..maketest
cd go&& gotest SecureID -tags bn256
mvn cleantestpython secure_id_test.py
Checkout the unit tests for API usage.
G: base point, defined by curve
r: random number, generated by PublicKey holder
| PublicKey: Q = d*G | SecretKey: d | |
|---|---|---|
| hash | P = hash_to_curve(msg) | P = hash_to_curve(msg) |
| sign1 | S1 = d*P | |
| blind | B = P + r*G | |
| sign2 | S2 = d*B | |
| unblind | U = S2 - r*Q |
U = d*(P + rG) - rd*G = S1
Apple M1 Pro
BenchmarkSign1-10 17118 68549 ns/opBenchmark Mode Cnt Score Error UnitsSecureIDBenchmark.bmSign1 avgt 5 67765.119 ± 1689.184 ns/opAbout
A fast implementation of ECC-based Private Set Intersection
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