add kex.zig: KEXINIT negotiate + curve25519-sha256 ECDH + RFC 4253 §7.2 key derivation

dev · 5 weeks ago · 2026-05-09 · 63.6 KB

$ koh steal kepr.uk/kepr@d48919d305de
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← 616adc8d74b5 732a0ff2a258 →
⇓ download .face