W3C compliant subresource integrity implementation https://www.w3.org/TR/SRI/

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README.md

Subresource Integrity

This library accepts an integrity attribute value which can be used to verify the integrity of a fetched resource.

Supported Algorithms

Only the algorithms required in the specification are supported. Those algorithms are SHA-256, SHA-384, and SHA-512. These hashing algorithms are provided by the sha2 crate.

Usage

let value = "sha384-H8BRh8j48O9oYatfu5AZzq6A9RINhZO5H16dQZngK7T62em8MUt1FLm52t+eX6xO";
let integrity = Integrity::try_from(integrity_value).unwrap();
integrity.verify("alert(\'Hello, world.\');"); // true