one/dist/esm/platform/crypto/digest-api.mjs

One is a React framework for web, iOS, and Android apps.

import { bytesToBase64, bytesToHex, utf8Encode } from "./bytes.mjs";
import { bufferSourceRange } from "./digest.mjs";

const DIGEST_ALGORITHMS = [
	"MD5",
	"SHA-1",
	"SHA-256",
	"SHA-384",
	"SHA-512"
];
function assertDigestAlgorithm(algorithm, verb) {
	if (!DIGEST_ALGORITHMS.includes(algorithm)) {
		throw new Error(`${verb}: unknown algorithm ${JSON.stringify(algorithm)}. Expected one of: ${DIGEST_ALGORITHMS.join(", ")}`);
	}
}
function createDigestApi(source) {
	async function digest(algorithm, data) {
		assertDigestAlgorithm(algorithm, "Crypto.digest");
		const { buffer, offset, length } = bufferSourceRange(data, "Crypto.digest");
		return source(algorithm, buffer, offset, length);
	}
	async function digestString(algorithm, data, options = {}) {
		assertDigestAlgorithm(algorithm, "Crypto.digestString");
		if (typeof data !== "string") {
			throw new TypeError("Crypto.digestString: data must be a string");
		}
		const encoding = options?.encoding ?? "hex";
		if (encoding !== "hex" && encoding !== "base64") {
			throw new Error(`Crypto.digestString: encoding must be 'hex' or 'base64'`);
		}
		const bytes = utf8Encode(data);
		const hashed = new Uint8Array(await source(algorithm, bytes.buffer, 0, bytes.length));
		return encoding === "base64" ? bytesToBase64(hashed) : bytesToHex(hashed);
	}
	return {
		digest,
		digestString
	};
}

export { DIGEST_ALGORITHMS, assertDigestAlgorithm, createDigestApi };
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