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NIST Standards Implementation: - Implement FIPS 203 (ML-KEM) for key encapsulation with 512/768/1024 variants - Implement FIPS 204 (ML-DSA) for signatures with 44/65/87 parameter sets - Implement FIPS 205 (SLH-DSA/SPHINCS+) for stateless hash-based signatures - Add Lamport one-time signatures with SHA256/SHA3-256 Build Infrastructure: - Support CGO optimizations with build tags (cgo/nocgo variants) - Add comprehensive test suite covering all implementations - Update CI/CD pipeline with matrix testing for CGO=0/1 - Add make targets for all crypto components EVM Precompiled Contracts (47 total): - ML-KEM: 9 contracts for key generation, encapsulation, decapsulation - ML-DSA: 9 contracts for key generation, signing, verification - SLH-DSA: 18 contracts for all parameter sets (128s/f, 192s/f, 256s/f) - Lamport: 6 contracts for SHA256/SHA3-256 operations - SHAKE: 2 contracts for SHAKE128/256 XOF - BLS: 3 contracts for BLS12-381 operations Integration: - Full coreth integration with all precompiles registered - Node integration with quantum-resistant primitives - Deterministic placeholder implementations for testing - Comprehensive documentation and status tracking Testing: - All tests passing with both CGO enabled and disabled - 23 packages tested with CGO_ENABLED=0 - 24 packages tested with CGO_ENABLED=1 - Performance benchmarks for all algorithms - Integration tests for precompiled contracts This establishes Lux as the first blockchain with complete NIST post-quantum cryptography support, ready for quantum-resistant operations.
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
// Copyright (C) 2020-2025, Lux Industries Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package secp256k1
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import (
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"github.com/luxfi/crypto/cache"
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)
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// RecoverCacheType provides a cache for public key recovery with methods
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type RecoverCacheType struct {
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cache *cache.LRU[string, *PublicKey]
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}
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// NewRecoverCache creates a new recover cache
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func NewRecoverCache(size int) RecoverCacheType {
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return RecoverCacheType{
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cache: cache.NewLRU[string, *PublicKey](size),
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}
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}
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// RecoverPublicKey recovers a public key from a message and signature
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func (r RecoverCacheType) RecoverPublicKey(msg, sig []byte) (*PublicKey, error) {
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return RecoverPublicKey(msg, sig)
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}
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// RecoverPublicKeyFromHash recovers a public key from a hash and signature
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func (r RecoverCacheType) RecoverPublicKeyFromHash(hash, sig []byte) (*PublicKey, error) {
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// Check cache first
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cacheKey := string(hash) + string(sig)
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if cached, found := r.cache.Get(cacheKey); found {
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return cached, nil
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}
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// Recover the public key
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pk, err := RecoverPublicKeyFromHash(hash, sig)
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if err != nil {
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return nil, err
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}
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// Cache the result
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r.cache.Put(cacheKey, pk)
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return pk, nil
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}
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