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denoland-deno/cli/util/checksum.rs
David Sherret 2fee8394a9
chore: update copyright year to 2023 (#17247)
Yearly tradition of creating extra noise in git.
2023-01-05 13:05:49 +01:00

32 lines
656 B
Rust

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use ring::digest::Context;
use ring::digest::SHA256;
pub fn gen(v: &[impl AsRef<[u8]>]) -> String {
let mut ctx = Context::new(&SHA256);
for src in v {
ctx.update(src.as_ref());
}
let digest = ctx.finish();
let out: Vec<String> = digest
.as_ref()
.iter()
.map(|byte| format!("{:02x}", byte))
.collect();
out.join("")
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_gen() {
let actual = gen(&[b"hello world"]);
assert_eq!(
actual,
"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
);
}
}