22 lines
522 B
JavaScript
22 lines
522 B
JavaScript
import { AwsCrc32 } from "@aws-crypto/crc32";
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import { numToUint8 } from "@aws-crypto/util";
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import * as zlib from "node:zlib";
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class NodeCrc32 {
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checksum = 0;
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update(data) {
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this.checksum = zlib.crc32(data, this.checksum);
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}
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async digest() {
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return numToUint8(this.checksum);
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}
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reset() {
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this.checksum = 0;
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}
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}
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export const getCrc32ChecksumAlgorithmFunction = () => {
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if (typeof zlib.crc32 === "undefined") {
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return AwsCrc32;
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}
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return NodeCrc32;
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};
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