use javax.crypto.Cipher for raw signing
- using Cipher "RSA/ECB/NoPadding" to do raw sign - also add .gitignorepull/20/head
cfig
7 years ago
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.idea
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.gradle
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package cfig
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package avb
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import avb.*
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import avb.desc.*
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import cfig.Helper
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/*
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a wonderfaul base64 encoder/decoder: https://cryptii.com/base64-to-hex
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org.slf4j.simpleLogger.defaultLogLevel = info
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import avb.alg.Algorithms
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import cfig.Helper
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import org.apache.commons.codec.binary.Hex
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import org.bouncycastle.jce.provider.BouncyCastleProvider
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import org.junit.Assert.*
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import org.junit.Test
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import java.security.KeyFactory
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import java.security.KeyPairGenerator
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import java.security.Security
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import java.security.Signature
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import java.security.spec.PKCS8EncodedKeySpec
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import java.security.spec.X509EncodedKeySpec
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import javax.crypto.Cipher
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class HelperTest {
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@Test
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fun rawSignTest() {
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val data = Hex.decodeHex("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")
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val expectedSig = "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"
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val privkFile = "../" + Algorithms.get("SHA256_RSA2048")!!.defaultKey.replace("pem", "pk8")
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val encData = Helper.rawSign(privkFile, data)
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assertEquals(expectedSig, Hex.encodeHexString(encData))
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}
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@Test
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fun rawSignOpenSslTest() {
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val data = Hex.decodeHex("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")
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val expectedSig = "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"
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val sig = Helper.rawSignOpenSsl("../" + Algorithms.get("SHA256_RSA2048")!!.defaultKey, data)
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assertEquals(expectedSig, Hex.encodeHexString(sig))
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}
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@Test
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fun test3() {
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val data = Hex.decodeHex("0001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff003031300d0609608648016503040201050004206317a4c8d86accc8258c1ac23ef0ebd18bc3301033")
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val signature = Signature.getInstance("NONEwithRSA")
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val k = Helper.readPrivateKey("../" + Algorithms.get("SHA256_RSA2048")!!.defaultKey.replace("pem", "pk8"))
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signature.initSign(k)
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signature.update(data)
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println("data size " + data.size)
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println(signature.provider)
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val sig = signature.sign()
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// assertEquals(expectedSig, Hex.encodeHexString(sig))
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}
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@Test
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fun testCipher() {
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Security.addProvider(BouncyCastleProvider())
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for (p in Security.getProviders()) {
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println(p.toString())
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for (entry in p.entries) {
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println("\t" + entry.key.toString() + " -> " + entry.value)
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}
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println()
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}
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}
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@Test
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fun testKeys() {
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val kp = KeyPairGenerator.getInstance("rsa")
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.apply { this.initialize(2048) }
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.generateKeyPair()
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val pk8Spec = PKCS8EncodedKeySpec(kp.private.encoded) //kp.private.format == PKCS#8
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val x509Spec = X509EncodedKeySpec(kp.public.encoded) //kp.public.format == X.509
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val kf = KeyFactory.getInstance("rsa")
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val privk = kf.generatePrivate(pk8Spec)
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val pubk = kf.generatePublic(x509Spec)
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val cipher = Cipher.getInstance("RSA").apply {
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this.init(Cipher.ENCRYPT_MODE, privk)
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this.update("Good".toByteArray())
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}
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val encryptedText = Hex.encodeHexString(cipher.doFinal())
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println(encryptedText)
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}
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}
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