subtle-encoding 0.5.1

Encoders and decoders for common data encodings (base64, bech32, hex) which avoid data-dependent branching/table lookups and therefore provide "best effort" constant time. Useful for encoding/decoding secret values such as cryptographic keys.

# rustc version rustc 1.88.0-nightly (17ffbc81a 2025-04-04)# docs.rs version docsrs 0.6.0 (ee9a3fe6 2025-03-28)# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/subtle-encoding-0.5.1/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/subtle-encoding-0.5.1/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "bech32-preview" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20250404-1.88.0-nightly-17ffbc81a\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stdout] eeafc2ae9ab74aa8822f5065e8b865d68f4f55d6176de1ad08fd3045efa8e06e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "eeafc2ae9ab74aa8822f5065e8b865d68f4f55d6176de1ad08fd3045efa8e06e", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting subtle-encoding v0.5.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/subtle_encoding/index.html [INFO] running `Command { std: "docker" "inspect" "eeafc2ae9ab74aa8822f5065e8b865d68f4f55d6176de1ad08fd3045efa8e06e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeafc2ae9ab74aa8822f5065e8b865d68f4f55d6176de1ad08fd3045efa8e06e", kill_on_drop: false }` [INFO] [stdout] eeafc2ae9ab74aa8822f5065e8b865d68f4f55d6176de1ad08fd3045efa8e06e