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denoland-deno/tests/unit_node/crypto/crypto_cipher_test.ts

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import crypto from "node:crypto";
import { Buffer } from "node:buffer";
import { Readable } from "node:stream";
import { buffer, text } from "node:stream/consumers";
import { assertEquals, assertThrows } from "@std/assert";
const rsaPrivateKey = Deno.readTextFileSync(
new URL("../testdata/rsa_private.pem", import.meta.url),
);
const rsaPublicKey = Deno.readTextFileSync(
new URL("../testdata/rsa_public.pem", import.meta.url),
);
const input = new TextEncoder().encode("hello world");
function zeros(length: number): Uint8Array {
return new Uint8Array(length);
}
Deno.test({
name: "rsa public encrypt and private decrypt",
fn() {
const encrypted = crypto.publicEncrypt(Buffer.from(rsaPublicKey), input);
const decrypted = crypto.privateDecrypt(
Buffer.from(rsaPrivateKey),
Buffer.from(encrypted),
);
assertEquals(decrypted, input);
},
});
Deno.test({
name: "rsa public encrypt (options) and private decrypt",
fn() {
const encrypted = crypto.publicEncrypt(
{ key: Buffer.from(rsaPublicKey) },
input,
);
const decrypted = crypto.privateDecrypt(
Buffer.from(rsaPrivateKey),
Buffer.from(encrypted),
);
assertEquals(decrypted, input);
},
});
Deno.test({
name: "rsa private encrypt and private decrypt",
fn() {
const encrypted = crypto.privateEncrypt(rsaPrivateKey, input);
const decrypted = crypto.privateDecrypt(
rsaPrivateKey,
Buffer.from(encrypted),
);
assertEquals(decrypted, input);
},
});
Deno.test({
name: "rsa public decrypt fail",
fn() {
const encrypted = crypto.publicEncrypt(rsaPublicKey, input);
assertThrows(() =>
crypto.publicDecrypt(rsaPublicKey, Buffer.from(encrypted))
);
},
});
Deno.test({
name: "createCipheriv - multiple chunk inputs",
fn() {
const cipher = crypto.createCipheriv(
"aes-128-cbc",
new Uint8Array(16),
new Uint8Array(16),
);
assertEquals(
cipher.update(new Uint8Array(16), undefined, "hex"),
"66e94bd4ef8a2c3b884cfa59ca342b2e",
);
assertEquals(
cipher.update(new Uint8Array(19), undefined, "hex"),
"f795bd4a52e29ed713d313fa20e98dbc",
);
assertEquals(
cipher.update(new Uint8Array(55), undefined, "hex"),
"a10cf66d0fddf3405370b4bf8df5bfb347c78395e0d8ae2194da0a90abc9888a94ee48f6c78fcd518a941c3896102cb1",
);
assertEquals(cipher.final("hex"), "e11901dde4a2f99fe4efc707e48c6aed");
},
});
Deno.test({
name: "createCipheriv - algorithms",
fn() {
const table = [
[
["aes-128-cbc", 16, 16],
"66e94bd4ef8a2c3b884cfa59ca342b2ef795bd4a52e29ed713d313fa20e98dbca10cf66d0fddf3405370b4bf8df5bfb3",
"d5f65ecda64511e9d3d12206411ffd72",
],
[
["aes-128-ecb", 16, 0],
"66e94bd4ef8a2c3b884cfa59ca342b2e66e94bd4ef8a2c3b884cfa59ca342b2e66e94bd4ef8a2c3b884cfa59ca342b2e",
"baf823258ca2e6994f638daa3515e986",
],
[
["aes-192-ecb", 24, 0],
"aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7",
"2e0f33b51bb184654311ead507ea55fc",
],
[
["aes-256-ecb", 32, 0],
"dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087",
"0ac1d7e8655254c6814b46753932df88",
],
[
["aes256", 32, 16],
"dc95c078a2408989ad48a2149284208708c374848c228233c2b34f332bd2e9d38b70c515a6663d38cdb8e6532b266491",
"2e62607a5e8b715e4cb229a12169f2b2",
],
[
["aes-256-cbc", 32, 16],
"dc95c078a2408989ad48a2149284208708c374848c228233c2b34f332bd2e9d38b70c515a6663d38cdb8e6532b266491",
"2e62607a5e8b715e4cb229a12169f2b2",
],
] as const;
for (
const [[alg, keyLen, ivLen], expectedUpdate, expectedFinal] of table
) {
const cipher = crypto.createCipheriv(alg, zeros(keyLen), zeros(ivLen));
assertEquals(cipher.update(zeros(50), undefined, "hex"), expectedUpdate);
assertEquals(cipher.final("hex"), expectedFinal);
}
},
});
Deno.test({
name: "createCipheriv - input encoding",
fn() {
{
const cipher = crypto.createCipheriv(
"aes-128-cbc",
new Uint8Array(16),
new Uint8Array(16),
);
assertEquals(
cipher.update("hello, world! hello, world!", "utf-8", "hex"),
"ca7df4d74f51b77a7440ead38343ab0f",
);
assertEquals(cipher.final("hex"), "d0da733dec1fa61125c80a6f97e6166e");
}
{
const cipher = crypto.createCipheriv(
"aes-128-cbc",
new Uint8Array(16),
new Uint8Array(16),
);
// update with string without input encoding
assertEquals(
cipher.update("hello, world! hello, world!").toString("hex"),
"ca7df4d74f51b77a7440ead38343ab0f",
);
assertEquals(cipher.final("hex"), "d0da733dec1fa61125c80a6f97e6166e");
}
},
});
Deno.test({
name: "createCipheriv - transform stream",
async fn() {
const result = await buffer(
Readable.from("foo".repeat(15)).pipe(crypto.createCipheriv(
"aes-128-cbc",
new Uint8Array(16),
new Uint8Array(16),
)),
);
// deno-fmt-ignore
assertEquals([...result], [
129, 19, 202, 142, 137, 51, 23, 53, 198, 33,
214, 125, 17, 5, 128, 57, 162, 217, 220, 53,
172, 51, 85, 113, 71, 250, 44, 156, 80, 4,
158, 92, 185, 173, 67, 47, 255, 71, 78, 187,
80, 206, 42, 5, 34, 104, 1, 54
]);
},
});
Deno.test({
name: "createDecipheriv - algorithms",
fn() {
const table = [
[
["aes-128-cbc", 16, 16],
"66e94bd4ef8a2c3b884cfa59ca342b2ef795bd4a52e29ed713d313fa20e98dbca10cf66d0fddf3405370b4bf8df5bfb347c78395e0d8ae2194da0a90abc9888a94ee48f6c78fcd518a941c3896102cb1e11901dde4a2f99fe4efc707e48c6aed",
],
[
["aes-128-ecb", 16, 0],
"66e94bd4ef8a2c3b884cfa59ca342b2e66e94bd4ef8a2c3b884cfa59ca342b2e66e94bd4ef8a2c3b884cfa59ca342b2e66e94bd4ef8a2c3b884cfa59ca342b2e66e94bd4ef8a2c3b884cfa59ca342b2ec29a917cbaf72fa9bc32129bb0d17663",
],
[
["aes-192-ecb", 24, 0],
"aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7ab40eb56b6fc2aacf2e9254685cce891",
],
[
["aes-256-ecb", 32, 0],
"dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a214928420877c45b49560579dd1ffc7ec626de2a968",
],
[
["aes256", 32, 16],
"dc95c078a2408989ad48a2149284208708c374848c228233c2b34f332bd2e9d38b70c515a6663d38cdb8e6532b2664915d0dcc192580aee9ef8a8568193f1b44bfca557c6bab7dc79da07ffd42191b2659e6bee99cb2a6a7299f0e9a21686fc7",
],
[
["aes-256-cbc", 32, 16],
"dc95c078a2408989ad48a2149284208708c374848c228233c2b34f332bd2e9d38b70c515a6663d38cdb8e6532b2664915d0dcc192580aee9ef8a8568193f1b44bfca557c6bab7dc79da07ffd42191b2659e6bee99cb2a6a7299f0e9a21686fc7",
],
] as const;
for (
const [[alg, keyLen, ivLen], input] of table
) {
const cipher = crypto.createDecipheriv(alg, zeros(keyLen), zeros(ivLen));
assertEquals(cipher.update(input, "hex"), Buffer.alloc(80));
assertEquals(cipher.final(), Buffer.alloc(10));
}
},
});
Deno.test({
name: "createDecipheriv - transform stream",
async fn() {
const stream = Readable.from([
// deno-fmt-ignore
new Uint8Array([
129, 19, 202, 142, 137, 51, 23, 53, 198, 33,
214, 125, 17, 5, 128, 57, 162, 217, 220, 53,
172, 51, 85, 113, 71, 250, 44, 156, 80, 4,
158, 92, 185, 173, 67, 47, 255, 71, 78, 187,
80, 206, 42, 5, 34, 104, 1, 54
]),
]).pipe(crypto.createDecipheriv(
"aes-128-cbc",
new Uint8Array(16),
new Uint8Array(16),
));
assertEquals(await text(stream), "foo".repeat(15));
},
});
Deno.test({
name: "createCipheriv - invalid algorithm",
fn() {
assertThrows(
() =>
crypto.createCipheriv("foo", new Uint8Array(16), new Uint8Array(16)),
TypeError,
"Unknown cipher",
);
},
});
Deno.test({
name: "createCipheriv - invalid inputs",
fn() {
assertThrows(
() =>
crypto.createCipheriv("aes256", new Uint8Array(31), new Uint8Array(16)),
RangeError,
"Invalid key length",
);
assertThrows(
() =>
crypto.createCipheriv(
"aes-256-cbc",
new Uint8Array(31),
new Uint8Array(16),
),
RangeError,
"Invalid key length",
);
assertThrows(
() =>
crypto.createCipheriv("aes256", new Uint8Array(32), new Uint8Array(15)),
TypeError,
"Invalid initialization vector",
);
assertThrows(
() =>
crypto.createCipheriv(
"aes-256-cbc",
new Uint8Array(32),
new Uint8Array(15),
),
TypeError,
"Invalid initialization vector",
);
},
});
Deno.test({
name: "createDecipheriv - invalid algorithm",
fn() {
assertThrows(
() =>
crypto.createDecipheriv("foo", new Uint8Array(16), new Uint8Array(16)),
TypeError,
"Unknown cipher",
);
},
});
Deno.test({
name: "createDecipheriv - invalid inputs",
fn() {
assertThrows(
() =>
crypto.createDecipheriv(
"aes256",
new Uint8Array(31),
new Uint8Array(16),
),
RangeError,
"Invalid key length",
);
assertThrows(
() =>
crypto.createDecipheriv(
"aes-256-cbc",
new Uint8Array(31),
new Uint8Array(16),
),
RangeError,
"Invalid key length",
);
assertThrows(
() =>
crypto.createDecipheriv(
"aes256",
new Uint8Array(32),
new Uint8Array(15),
),
TypeError,
"Invalid initialization vector",
);
assertThrows(
() =>
crypto.createDecipheriv(
"aes-256-cbc",
new Uint8Array(32),
new Uint8Array(15),
),
TypeError,
"Invalid initialization vector",
);
},
});
Deno.test({
name: "getCiphers",
fn() {
assertEquals(crypto.getCiphers().includes("aes-128-cbc"), true);
},
});
Deno.test({
name: "getCipherInfo",
fn() {
const info = crypto.getCipherInfo("aes-128-cbc")!;
assertEquals(info.name, "aes-128-cbc");
assertEquals(info.keyLength, 16);
assertEquals(info.ivLength, 16);
const info2 = crypto.getCipherInfo("aes128")!;
assertEquals(info2.name, "aes-128-cbc");
assertEquals(info2.keyLength, 16);
assertEquals(info2.ivLength, 16);
},
});
Deno.test({
name:
"createDecipheriv - handling of the last chunk when auto padding enabled/disabled",
fn() {
const algorithm = "aes-256-cbc";
const key = Buffer.from(
"84dcdd964968734fdf0de4a2cba471c2e0a753930b841c014b1e77f456b5797b",
"hex",
);
const val = Buffer.from(
"feabbdf66e2c71cc780d0cd2765dcce283e8ae7e58fcc1a9acafc678581e0e06",
"hex",
);
const iv = Buffer.alloc(16, 0);
{
const decipher = crypto.createDecipheriv(algorithm, key, iv);
decipher.setAutoPadding(false);
assertEquals(
decipher.update(val, undefined, "hex"),
"ed2c908f26571bf8e50d60b77fb9c25f95b933b59111543c6fac41ad6b47e681",
);
assertEquals(decipher.final("hex"), "");
}
{
const decipher = crypto.createDecipheriv(algorithm, key, iv);
assertEquals(
decipher.update(val, undefined, "hex"),
"ed2c908f26571bf8e50d60b77fb9c25f",
);
assertThrows(() => {
decipher.final();
});
}
},
});