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• Zig 0.16 or newer
• A HuggingFace account with a token

$ zig build install --prefix ~/.local

Make sure ~/.local/bin is in your PATH:

$ export PATH="$HOME/.local/bin:$PATH"

$ export BKT_TOKEN=hf_xxxxxxxxxx
$ export BKT=username/bucket

To enable end-to-end encryption, also set BKT_SECRET to a 16-byte key encoded as 32 hex characters:

$ export BKT_SECRET=00112233445566778899aabbccddeeff

Generate one with OpenSSL if needed:

$ openssl rand -hex 16

When BKT_SECRET is set, uploads are encrypted with AEGIS-128X2 using a random nonce prepended to the ciphertext, and downloads are decrypted automatically.

$ echo hello | bkt -

$ bkt
hello