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ab/eth-crypto
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3 Commits
Author SHA1 Message Date
Alain Brenzikofer b23d3a3265 add string encoding 2026-08-18 17:58:07 +02:00
Alain BrenzikoferandAlain Brenzikofer 2bbc55619f expose what's necessary for stealth addresses too" 2026-08-18 13:47:16 +02:00
ClaudeandAlain Brenzikofer 2d4c060c6d crypto: Ethereum primitives for SimpleX names 
secp256k1 (vendored libsecp256k1 v0.8.0, recoverable ECDSA), BIP-39
mnemonics, BIP-32 derivation, Keccak-256, EIP-55 addresses and EIP-712
typed data hashing.

Client-side signing only: no RLP, no transaction construction, no chain
writes. The resolver path stays read-only.

Verified against published vectors — the 24 official BIP-39 English
vectors, BIP-32 spec vectors 1 and 2, the EIP-55 spec addresses and the
EIP-712 Mail example.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
 2026-08-18 13:47:16 +02:00