mirror of
https://github.com/luxfi/crypto.git
synced 2026-07-27 01:54:50 +00:00
Hanzo Dev
490c0d0dcf
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.
238 lines
6.6 KiB
C
238 lines
6.6 KiB
C
#include "params.h"
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#include "packing.h"
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#include "polyvec.h"
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#include "poly.h"
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/*************************************************
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* Name: pack_pk
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*
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* Description: Bit-pack public key pk = (rho, t1).
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*
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* Arguments: - uint8_t pk[]: output byte array
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* - const uint8_t rho[]: byte array containing rho
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* - const polyveck *t1: pointer to vector t1
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**************************************************/
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void pack_pk(uint8_t pk[CRYPTO_PUBLICKEYBYTES],
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const uint8_t rho[SEEDBYTES],
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const polyveck *t1)
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{
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unsigned int i;
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for(i = 0; i < SEEDBYTES; ++i)
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pk[i] = rho[i];
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pk += SEEDBYTES;
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for(i = 0; i < K; ++i)
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polyt1_pack(pk + i*POLYT1_PACKEDBYTES, &t1->vec[i]);
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}
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/*************************************************
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* Name: unpack_pk
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*
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* Description: Unpack public key pk = (rho, t1).
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*
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* Arguments: - const uint8_t rho[]: output byte array for rho
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* - const polyveck *t1: pointer to output vector t1
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* - uint8_t pk[]: byte array containing bit-packed pk
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**************************************************/
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void unpack_pk(uint8_t rho[SEEDBYTES],
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polyveck *t1,
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const uint8_t pk[CRYPTO_PUBLICKEYBYTES])
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{
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unsigned int i;
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for(i = 0; i < SEEDBYTES; ++i)
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rho[i] = pk[i];
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pk += SEEDBYTES;
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for(i = 0; i < K; ++i)
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polyt1_unpack(&t1->vec[i], pk + i*POLYT1_PACKEDBYTES);
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}
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/*************************************************
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* Name: pack_sk
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*
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* Description: Bit-pack secret key sk = (rho, tr, key, t0, s1, s2).
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*
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* Arguments: - uint8_t sk[]: output byte array
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* - const uint8_t rho[]: byte array containing rho
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* - const uint8_t tr[]: byte array containing tr
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* - const uint8_t key[]: byte array containing key
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* - const polyveck *t0: pointer to vector t0
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* - const polyvecl *s1: pointer to vector s1
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* - const polyveck *s2: pointer to vector s2
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**************************************************/
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void pack_sk(uint8_t sk[CRYPTO_SECRETKEYBYTES],
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const uint8_t rho[SEEDBYTES],
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const uint8_t tr[TRBYTES],
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const uint8_t key[SEEDBYTES],
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const polyveck *t0,
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const polyvecl *s1,
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const polyveck *s2)
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{
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unsigned int i;
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for(i = 0; i < SEEDBYTES; ++i)
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sk[i] = rho[i];
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sk += SEEDBYTES;
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for(i = 0; i < SEEDBYTES; ++i)
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sk[i] = key[i];
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sk += SEEDBYTES;
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for(i = 0; i < TRBYTES; ++i)
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sk[i] = tr[i];
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sk += TRBYTES;
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for(i = 0; i < L; ++i)
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polyeta_pack(sk + i*POLYETA_PACKEDBYTES, &s1->vec[i]);
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sk += L*POLYETA_PACKEDBYTES;
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for(i = 0; i < K; ++i)
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polyeta_pack(sk + i*POLYETA_PACKEDBYTES, &s2->vec[i]);
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sk += K*POLYETA_PACKEDBYTES;
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for(i = 0; i < K; ++i)
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polyt0_pack(sk + i*POLYT0_PACKEDBYTES, &t0->vec[i]);
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}
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/*************************************************
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* Name: unpack_sk
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*
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* Description: Unpack secret key sk = (rho, tr, key, t0, s1, s2).
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*
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* Arguments: - const uint8_t rho[]: output byte array for rho
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* - const uint8_t tr[]: output byte array for tr
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* - const uint8_t key[]: output byte array for key
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* - const polyveck *t0: pointer to output vector t0
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* - const polyvecl *s1: pointer to output vector s1
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* - const polyveck *s2: pointer to output vector s2
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* - uint8_t sk[]: byte array containing bit-packed sk
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**************************************************/
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void unpack_sk(uint8_t rho[SEEDBYTES],
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uint8_t tr[TRBYTES],
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uint8_t key[SEEDBYTES],
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polyveck *t0,
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polyvecl *s1,
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polyveck *s2,
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const uint8_t sk[CRYPTO_SECRETKEYBYTES])
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{
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unsigned int i;
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for(i = 0; i < SEEDBYTES; ++i)
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rho[i] = sk[i];
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sk += SEEDBYTES;
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for(i = 0; i < SEEDBYTES; ++i)
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key[i] = sk[i];
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sk += SEEDBYTES;
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for(i = 0; i < TRBYTES; ++i)
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tr[i] = sk[i];
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sk += TRBYTES;
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for(i=0; i < L; ++i)
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polyeta_unpack(&s1->vec[i], sk + i*POLYETA_PACKEDBYTES);
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sk += L*POLYETA_PACKEDBYTES;
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for(i=0; i < K; ++i)
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polyeta_unpack(&s2->vec[i], sk + i*POLYETA_PACKEDBYTES);
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sk += K*POLYETA_PACKEDBYTES;
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for(i=0; i < K; ++i)
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polyt0_unpack(&t0->vec[i], sk + i*POLYT0_PACKEDBYTES);
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}
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/*************************************************
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* Name: pack_sig
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*
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* Description: Bit-pack signature sig = (c, z, h).
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*
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* Arguments: - uint8_t sig[]: output byte array
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* - const uint8_t *c: pointer to challenge hash length SEEDBYTES
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* - const polyvecl *z: pointer to vector z
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* - const polyveck *h: pointer to hint vector h
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**************************************************/
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void pack_sig(uint8_t sig[CRYPTO_BYTES],
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const uint8_t c[CTILDEBYTES],
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const polyvecl *z,
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const polyveck *h)
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{
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unsigned int i, j, k;
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for(i=0; i < CTILDEBYTES; ++i)
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sig[i] = c[i];
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sig += CTILDEBYTES;
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for(i = 0; i < L; ++i)
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polyz_pack(sig + i*POLYZ_PACKEDBYTES, &z->vec[i]);
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sig += L*POLYZ_PACKEDBYTES;
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/* Encode h */
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for(i = 0; i < OMEGA + K; ++i)
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sig[i] = 0;
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k = 0;
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for(i = 0; i < K; ++i) {
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for(j = 0; j < N; ++j)
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if(h->vec[i].coeffs[j] != 0)
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sig[k++] = j;
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sig[OMEGA + i] = k;
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}
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}
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/*************************************************
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* Name: unpack_sig
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*
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* Description: Unpack signature sig = (c, z, h).
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*
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* Arguments: - uint8_t *c: pointer to output challenge hash
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* - polyvecl *z: pointer to output vector z
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* - polyveck *h: pointer to output hint vector h
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* - const uint8_t sig[]: byte array containing
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* bit-packed signature
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*
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* Returns 1 in case of malformed signature; otherwise 0.
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**************************************************/
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int unpack_sig(uint8_t c[CTILDEBYTES],
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polyvecl *z,
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polyveck *h,
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const uint8_t sig[CRYPTO_BYTES])
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{
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unsigned int i, j, k;
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for(i = 0; i < CTILDEBYTES; ++i)
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c[i] = sig[i];
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sig += CTILDEBYTES;
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for(i = 0; i < L; ++i)
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polyz_unpack(&z->vec[i], sig + i*POLYZ_PACKEDBYTES);
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sig += L*POLYZ_PACKEDBYTES;
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/* Decode h */
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k = 0;
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for(i = 0; i < K; ++i) {
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for(j = 0; j < N; ++j)
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h->vec[i].coeffs[j] = 0;
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if(sig[OMEGA + i] < k || sig[OMEGA + i] > OMEGA)
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return 1;
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for(j = k; j < sig[OMEGA + i]; ++j) {
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/* Coefficients are ordered for strong unforgeability */
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if(j > k && sig[j] <= sig[j-1]) return 1;
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h->vec[i].coeffs[sig[j]] = 1;
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}
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k = sig[OMEGA + i];
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}
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/* Extra indices are zero for strong unforgeability */
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for(j = k; j < OMEGA; ++j)
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if(sig[j])
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return 1;
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return 0;
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}
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