38c146c477
- vendor orlp/ed25519 (lib/ed25519, MIT — the exact lib MeshCore uses) for Curve25519 ECDH key exchange; switch identity/advert signing to it (same seed -> same pubkey, so peers still recognise us; sigs are byte-identical) - store pubkeys from heard MeshCore adverts (contacts table) so a DM's 1-byte src_hash can be resolved to a full sender key - decode PAYLOAD_TYPE_TXT_MSG: ECDH shared secret, HMAC-SHA256 MAC check, AES-128-ECB decrypt, parse timestamp+text, drive the message modal - verified end-to-end: real MeshCore node -> "hello from HP Pro Desk" decoded Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
13 lines
267 B
C
13 lines
267 B
C
#ifndef SC_H
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#define SC_H
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/*
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The set of scalars is \Z/l
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where l = 2^252 + 27742317777372353535851937790883648493.
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*/
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void sc_reduce(unsigned char *s);
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void sc_muladd(unsigned char *s, const unsigned char *a, const unsigned char *b, const unsigned char *c);
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#endif
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