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39 lines
1.4 KiB
HTML
39 lines
1.4 KiB
HTML
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<!DOCTYPE html>
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<script src="include.js"></script>
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<script>
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asyncTest(async done => {
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var subtle = self.crypto.subtle;
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var key = await subtle.importKey("raw", new Uint8Array([]), { name: "HKDF" }, false, [
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"deriveKey",
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"deriveBits",
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]);
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// Test the subtle difference between an empty salt (0 bytes) and an absent salt (which defaults to hashLen many bytes, each of value 0).
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// Inspired by https://datatracker.ietf.org/doc/html/rfc5869/#appendix-A.6 and A.7
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var algorithmEmptySalt = {
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name: "HKDF",
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salt: new Uint8Array([]),
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info: new Uint8Array([]),
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hash: "SHA-1",
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};
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var bitsEmptySalt = await subtle.deriveBits(algorithmEmptySalt, key, 42 * 8);
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console.log(new Uint8Array(bitsEmptySalt));
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println(new Uint8Array(bitsEmptySalt));
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var algorithmAbsentSalt = {
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name: "HKDF",
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salt: null,
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info: new Uint8Array([]),
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hash: "SHA-1",
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};
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subtle.deriveBits(algorithmAbsentSalt, key, 42 * 8).then(
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async bitsAbsentSalt => {
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println(new Uint8Array(bitsAbsentSalt));
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done();
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},
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async err => {
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println("Absent salt rejected! " + err);
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done();
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}
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);
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});
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</script>
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