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import { COSEALG } from "../../cose.ts";
import { mapCoseAlgToWebCryptoAlg } from "./mapCoseAlgToWebCryptoAlg.ts";
import { getWebCrypto } from "./getWebCrypto.ts";
/**
* Generate a digest of the provided data.
*
* @param data The data to generate a digest of
* @param algorithm A COSE algorithm ID that maps to a desired SHA algorithm
*/
export async function digest(
data: Uint8Array,
algorithm: COSEALG,
): Promise<Uint8Array> {
const WebCrypto = await getWebCrypto();
const subtleAlgorithm = mapCoseAlgToWebCryptoAlg(algorithm);
const hashed = await WebCrypto.subtle.digest(subtleAlgorithm, data);
return new Uint8Array(hashed);
}
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