Add experimental PQ browser probe and document blocking timing review

1 files changed, 41 insertions, 0 deletions

diff --git a/crates/chat-crypto/Cargo.toml b/crates/chat-crypto/Cargo.toml
new file mode 100644
index 0000000..b5bc0c7
--- /dev/null
+++ b/crates/chat-crypto/Cargo.toml
@@ -0,0 +1,41 @@
+# Copyright (C) 2026 Doan Luu Duc Tai <doan@luuduct.ai>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+[package]
+name = "stack-chat-crypto"
+version = "0.1.0"
+edition = "2024"
+license = "AGPL-3.0-or-later"
+authors = ["Doan Luu Duc Tai <doan@luuduct.ai>"]
+description = "Experimental OpenPGP browser compatibility proof for private chat."
+repository = "https://git.doan.luuduct.ai/stack"
+readme = "README.txt"
+keywords = ["openpgp", "wasm", "chat"]
+categories = ["cryptography"]
+publish = false
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+anyhow = "1"
+sequoia-openpgp = { version = "=2.4.2", default-features = false, features = ["crypto-rust", "allow-experimental-crypto", "allow-variable-time-crypto"] }
+wasm-bindgen = "0.2"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.4", features = ["wasm_js"] }
+
+[lints]
+workspace = true