test: added factorization tests

packages/core/src/utils/crypto/factorization.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from 'vitest'
+
+import { bigIntToBuffer, bufferToBigInt } from '../bigint-utils.js'
+import { factorizePQSync } from './factorization.js'
+import { defaultCryptoProviderFactory } from './index.js'
+
+describe('prime factorization', () => {
+    const testFactorization = (pq: bigint, p: bigint, q: bigint) => {
+        const [p_, q_] = factorizePQSync(defaultCryptoProviderFactory(), bigIntToBuffer(pq))
+        expect(bufferToBigInt(p_)).toBe(p)
+        expect(bufferToBigInt(q_)).toBe(q)
+    }
+
+    it('should factorize', () => {
+        testFactorization(2090522174869285481n, 1112973847n, 1878321023n)
+        testFactorization(1470626929934143021n, 1206429347n, 1218991343n)
+        testFactorization(2804275833720261793n, 1555252417n, 1803100129n)
+    })
+})