swaitsandClaude Opus 4.6
9db901088e
- CHANGELOG.md: Full audit findings organized by severity - PYMC_CORE_ISSUES.md: 7 evidence-based bug reports for pyMC_core (wrong constants, broken path_len decoding, wrong TRACE hash, wrong SNR calculation) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> Add comprehensive spec audit results and pyMC_core issue reports - CHANGELOG.md: Full audit findings organized by severity - PYMC_CORE_ISSUES.md: 7 evidence-based bug reports for pyMC_core (wrong constants, broken path_len decoding, wrong TRACE hash, wrong SNR calculation) - Remove ERRATA.md: contents already covered by audit findings Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
88 lines
3.5 KiB
JSON
88 lines
3.5 KiB
JSON
{
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"$schema": "../../schema/test-vector.schema.json",
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"name": "ECDH Shared Secret (X25519)",
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"spec_ref": "spec/15-identity.md",
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"protocol_version": 0,
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"description": "X25519 ECDH key exchange test vectors. MeshCore uses Ed25519 keys transposed to X25519 for key exchange. The resulting 32-byte shared secret is used as: AES key (bytes 0-15) and HMAC key (bytes 0-31).",
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"vectors": [
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{
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"id": "ecdh-001",
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"description": "RFC 7748 Test Vector: X25519 key exchange (Alice's perspective)",
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"type": "encode_decode",
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"structured": {
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"header": {
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"version": 0,
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"payload_type": "raw_custom",
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"route_type": "flood"
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},
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"path": {
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"hash_size": 1,
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"hash_count": 0,
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"hashes": []
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},
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"payload": {
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"data": "4A5D9D5BA4CE2DE1728E3BF480350F25E07E21C947D19E3376F09B3C1E161742"
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}
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},
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"binary": "3D 00 4A5D9D5BA4CE2DE1728E3BF480350F25E07E21C947D19E3376F09B3C1E161742",
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"crypto_context": {
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"sender_private_key": "77076D0A7318A57D3C16C17251B26645DF4C2F87EBC0992AB177FBA51DB92C2A",
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"recipient_public_key": "DE9EDB7D7B7DC1B4D35B61C2ECE435373F8343C85B78674DADFC7E146F882B4F"
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},
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"notes": "RFC 7748 Section 6.1. Alice's private key and Bob's public key produce the shared secret. Note: MeshCore transposes Ed25519 keys to X25519, so actual ECDH inputs differ from raw Ed25519 keys."
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},
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{
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"id": "ecdh-002",
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"description": "RFC 7748 Test Vector: X25519 key exchange (Bob's perspective)",
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"type": "encode_decode",
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"structured": {
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"header": {
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"version": 0,
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"payload_type": "raw_custom",
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"route_type": "flood"
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},
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"path": {
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"hash_size": 1,
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"hash_count": 0,
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"hashes": []
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},
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"payload": {
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"data": "4A5D9D5BA4CE2DE1728E3BF480350F25E07E21C947D19E3376F09B3C1E161742"
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}
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},
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"binary": "3D 00 4A5D9D5BA4CE2DE1728E3BF480350F25E07E21C947D19E3376F09B3C1E161742",
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"crypto_context": {
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"sender_private_key": "5DAB087E624A8A4B79E17F8B83800EE66F3BB1292618B6FD1C2F8B27FF88E0EB",
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"recipient_public_key": "8520F0098930A754748B7DDCB43EF75A0DBF3A0D26381AF4EBA4A98EAA9B4E6A"
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},
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"notes": "RFC 7748 Section 6.1. Bob's private key and Alice's public key produce the same shared secret as ecdh-001, verifying the commutative property of ECDH."
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},
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{
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"id": "ecdh-003",
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"description": "X25519 with all-zeros private key scalar (edge case)",
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"type": "encode_decode",
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"structured": {
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"header": {
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"version": 0,
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"payload_type": "raw_custom",
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"route_type": "flood"
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},
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"path": {
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"hash_size": 1,
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"hash_count": 0,
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"hashes": []
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},
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"payload": {
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"data": "0000000000000000000000000000000000000000000000000000000000000000"
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}
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},
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"binary": "3D 00 0000000000000000000000000000000000000000000000000000000000000000",
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"crypto_context": {
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"sender_private_key": "0000000000000000000000000000000000000000000000000000000000000000",
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"recipient_public_key": "DE9EDB7D7B7DC1B4D35B61C2ECE435373F8343C85B78674DADFC7E146F882B4F"
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},
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"notes": "Edge case: all-zero private key after clamping becomes a low-order scalar. X25519 with a clamped all-zero key (which becomes 0x40...00) against any public key. The all-zero shared secret indicates this is a degenerate key and implementations SHOULD reject it."
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}
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]
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}
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