BLS Signature Generation Tool

[poulok]

This epic is a sub-epic of #13316 that tracks all the work required to produce a valid BLS signature and the method to verify the validity of that signature. Once this work is complete, the Block Node team will use this code to develop the block signature validation logic.

Development

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1. Implement native-support library #14136
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2. Implement pairings-api #14140
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3. Identify Arkworks methods to use in the pairings-api-impl #14194
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4. Implementation of tss-library public interface #14141
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5. Create tool to render EC keys #13359
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6. Move the native-support implementation to the hedera-cryptography repo #14261
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7. Implement a vertical slice of pairings-api-impl rust/JNI wrappers #14454
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8. Implementation of parings-api-impl using JNI, arkworks, and alt-bn128 #13630
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9. Implement Group2 Group Elements pairings-api-impl operations in JNI and rust #14788
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10. Pairings Api Name refactors #15120
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11. Implement Field Elements pairing-api-impl operations in JNI and rust #14786
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12. Implement Group1 Group Elements pairings-api-impl operations in JNI and rust #14787
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13. Implement Pairings pairings-api-impl operations in JNI and rust #15022
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14. Create the SPI classes and expose the implementation of the alt bn 128 parings-api-impl #15185
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15. native-support-library should help loading native libraries just once (SingletonLoader) #15195
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16. pairings-signatures-library: Implement the operations for creating the public/private key pairs #15023
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17. pairings-signatures-library: Create the method that signs a byte array #15024
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18. pairings-signatures-library: Create the method that verifies a signature #15025
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19. Refactor Ec-Key Gen Tool to use pairings-signatures-library #15199
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20. Decide and define PublicKeys, PrivateKeys and Signatures serialization Strategy #15186
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21. Implement the plan decided in #15186 #15434
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22. Modify HashToCurve/HashToGroup algorithm #15451
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23. Implement a performant hashCode() and equals() for GroupElement and FieldElement #15201
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24. Rename hedera-cryptography-pairings-signatures to hedera-cryptography-bls #16018
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Perform the tests and validations for the parings and signatures APIs and implementation according to what has been defined in #14134

Tests will take the form of junit tests, though some may actually be integration tests and not true "unit" tests.

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Testing

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1. Test: create a pairings-api implementation as a test-fixture that can be used for unit test #16038
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2. Introduce reusable RNG for unit tests #16301
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3. Complete pairings tests #16302
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4. Complete BLS tests #16306
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5. Add JMH tests to BLS lib #16307
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