67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
import {QmcMapCipher, QmcStaticCipher} from "@/decrypt/qmc_cipher";
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import fs from 'fs'
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test("static cipher [0x7ff8,0x8000) ", () => {
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const expected = new Uint8Array([
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0xD8, 0x52, 0xF7, 0x67, 0x90, 0xCA, 0xD6, 0x4A,
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0x4A, 0xD6, 0xCA, 0x90, 0x67, 0xF7, 0x52, 0xD8,
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])
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const c = new QmcStaticCipher()
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const buf = new Uint8Array(16)
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c.decrypt(buf, 0x7ff8)
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expect(buf).toStrictEqual(expected)
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})
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test("static cipher [0,0x10) ", () => {
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const expected = new Uint8Array([
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0xC3, 0x4A, 0xD6, 0xCA, 0x90, 0x67, 0xF7, 0x52,
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0xD8, 0xA1, 0x66, 0x62, 0x9F, 0x5B, 0x09, 0x00,
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])
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const c = new QmcStaticCipher()
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const buf = new Uint8Array(16)
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c.decrypt(buf, 0)
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expect(buf).toStrictEqual(expected)
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})
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function loadTestDataMapCipher(name: string): {
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key: Uint8Array,
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cipherText: Uint8Array,
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clearText: Uint8Array
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} {
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return {
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key: fs.readFileSync(`testdata/${name}_key.bin`),
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cipherText: fs.readFileSync(`testdata/${name}_raw.bin`),
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clearText: fs.readFileSync(`testdata/${name}_target.bin`)
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}
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}
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test("map cipher: get mask", () => {
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const expected = new Uint8Array([
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0xBB, 0x7D, 0x80, 0xBE, 0xFF, 0x38, 0x81, 0xFB,
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0xBB, 0xFF, 0x82, 0x3C, 0xFF, 0xBA, 0x83, 0x79,
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])
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const key = new Uint8Array(256)
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for (let i = 0; i < 256; i++) key[i] = i
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const buf = new Uint8Array(16)
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const c = new QmcMapCipher(key)
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c.decrypt(buf, 0)
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expect(buf).toStrictEqual(expected)
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})
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test("map cipher: real file", async () => {
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const cases = ["mflac_map", "mgg_map"]
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for (const name of cases) {
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const {key, clearText, cipherText} = loadTestDataMapCipher(name)
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const c = new QmcMapCipher(key)
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c.decrypt(cipherText, 0)
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expect(cipherText).toStrictEqual(clearText)
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}
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})
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