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atproto utils for zig zat.dev
atproto sdk zig
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feat: MST, crypto signing, did:key construction, multibase encoding master

merkle search tree with put/get/delete/rootCid, verified against interop commit-proof fixtures (6) and common-prefix vectors (13). ECDSA signing (signSecp256k1/signP256) with RFC 6979 deterministic nonces and low-S normalization. did:key formatting via multicodec encode + base58btc. base32lower encode/decode for CID strings. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author zzstoatzz Co-author Claude Opus 4.6 Date Commit 08c5f75f Parent 98d39c0b