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std/sha1 ​

Pure-Milo SHA-1 (FIPS 180-4) — no platform crypto dependency. Same constant-time, fixed-round shape as std/sha256.

SHA-1 is broken for collision resistance — do not use it for signatures or adversarial dedup. It remains the content-address of git objects and the digest in the WebSocket handshake and legacy TLS, which is what a pure-Milo implementation is for.

milo
from "std/sha1" import { Sha1 }

API reference ​

Sha1 ​

milo
pub struct Sha1

Sha1 namespace — Sha1.hash(input) hex digest, Sha1.bytes(input) raw 20-byte digest.

Sha1.bytes ​

milo
fn Sha1.bytes(input: &string): string

SHA-1 digest as 20 raw bytes (for HMAC-SHA1 and the WebSocket handshake).

Sha1.hash ​

milo
fn Sha1.hash(input: &string): string

SHA-1 digest as a 40-char lowercase hex string.