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https://github.com/luxfi/crypto.git
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zeekay
31f7cefd05
Mirrors the consensus + node Corona purge. The production Ring-LWE threshold library is luxfi/corona; the threshold-scheme byte and all aggregator codepaths use the production identifier.
34 lines
1.1 KiB
Rust
34 lines
1.1 KiB
Rust
// Copyright (c) 2024-2026 Lux Industries Inc.
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// SPDX-License-Identifier: BSD-3-Clause-Eco
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use lux_crypto_lamport::{keygen, sign, verify, PK_LEN, SIG_LEN, SK_LEN};
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#[test]
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fn keygen_sign_verify_roundtrip() {
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// Canonical Lamport-OTS round-trip against the luxcpp body
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// (luxcpp/crypto/lamport/cpp/lamport.cpp). Parameter sizes are exported by
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// the binding as PK_LEN / SK_LEN / SIG_LEN.
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let seed = [0u8; 32];
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let mut pk = vec![0u8; PK_LEN];
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let mut sk = vec![0u8; SK_LEN];
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keygen(&seed, &mut pk, &mut sk).expect("keygen");
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let msg = [0xAA_u8; 32];
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let mut sig = vec![0u8; SIG_LEN];
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sign(&sk, &msg, &mut sig).expect("sign");
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verify(&pk, &msg, &sig).expect("verify");
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}
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#[test]
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fn verify_rejects_tampered_signature() {
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let seed = [0x11u8; 32];
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let mut pk = vec![0u8; PK_LEN];
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let mut sk = vec![0u8; SK_LEN];
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keygen(&seed, &mut pk, &mut sk).expect("keygen");
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let msg = [0x55_u8; 32];
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let mut sig = vec![0u8; SIG_LEN];
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sign(&sk, &msg, &mut sig).expect("sign");
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// Flip a byte in the signature; verify must reject.
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sig[0] ^= 0x01;
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assert!(verify(&pk, &msg, &sig).is_err());
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}
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