DKIM (RFC 6376) signing and verification for Zig 0.16: both canonicalizations, RSA and Ed25519, no I/O or allocation.

Update zig-std-crypto-ext to 1b6433c main

It hides the constant-time select mask in ff from the optimizer. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VNyiEdYtM9vjko2Qt4rzPL


Author jcollie.dev
Co-author Claude Opus 5.5 Date Commit Parent a4b5778b
+5 -5
2 changed files
+5 -5
2 changed files