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BLAKE3/b3sum/README.md
2019-12-13 16:23:03 -05:00

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b3sum

b3sum 0.1.0

USAGE:
    b3sum [FLAGS] [OPTIONS] [file]...

FLAGS:
        --derive-key    Uses the KDF mode, with the 32-byte key read from stdin
    -h, --help          Prints help information
        --keyed         Uses the keyed mode, with the 32-byte key read from stdin
        --no-names      Omits filenames in the output
    -V, --version       Prints version information

OPTIONS:
    -l, --length <LEN>    The number of output bytes, prior to hex encoding [default: 32]

ARGS:
    <file>...

Building

You can build and install with cargo install --path ., which installs binaries in ~/.cargo/bin on Linux. Or you can just build with cargo build --release, which puts the binary at ./target/release/b3sum.

AVX-512 support (via C FFI, with dynamic CPU feature detection) and multi-threading (via Rayon) are enabled by default. Note that the underlying blake3 crate does not enable those by default.