25 lines
664 B
Rust
25 lines
664 B
Rust
//! Generate entropy of a given size, encoded as hex.
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let bit_size: usize = std::env::args()
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.nth(1)
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.unwrap_or(String::from("256"))
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.parse()
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.expect("Expected integer bit size");
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assert!(
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bit_size % 8 == 0,
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"Bit size must be divisible by 8, got: {bit_size}"
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);
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match bit_size {
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128 | 256 | 512 => {}
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_ => {
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eprintln!("reading entropy of uncommon size: {bit_size}");
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}
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}
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let entropy = keyfork_entropy::generate_entropy_of_size(bit_size / 8)?;
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println!("{}", smex::encode(entropy));
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Ok(())
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}
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