From 72f3289f339ef3b8fe37be3740ff390d970f8e0e Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 12 May 2022 23:17:43 +0300
Subject: Use Churchkey library to read PEM files and keys

---
 .../java/com/juick/server/tests/ServerTests.java   | 37 ++++------------------
 1 file changed, 7 insertions(+), 30 deletions(-)

(limited to 'src/test/java/com')

diff --git a/src/test/java/com/juick/server/tests/ServerTests.java b/src/test/java/com/juick/server/tests/ServerTests.java
index e5b4562c..a23c0a6f 100644
--- a/src/test/java/com/juick/server/tests/ServerTests.java
+++ b/src/test/java/com/juick/server/tests/ServerTests.java
@@ -184,15 +184,6 @@ import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.commons.text.StringEscapeUtils;
-import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
-import org.bouncycastle.jce.ECNamedCurveTable;
-import org.bouncycastle.jce.interfaces.ECPrivateKey;
-import org.bouncycastle.jce.interfaces.ECPublicKey;
-import org.bouncycastle.jce.spec.ECParameterSpec;
-import org.bouncycastle.jce.spec.ECPublicKeySpec;
-import org.bouncycastle.math.ec.ECPoint;
-import org.bouncycastle.openssl.PEMParser;
-import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.MethodOrderer;
@@ -235,6 +226,8 @@ import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.UriComponents;
 import org.springframework.web.util.UriComponentsBuilder;
 import org.tomitribe.auth.signatures.Base64;
+import org.tomitribe.churchkey.Key;
+import org.tomitribe.churchkey.Keys;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NamedNodeMap;
@@ -2493,28 +2486,12 @@ public class ServerTests {
     public void testAppleClientSecret()
             throws NoSuchAlgorithmException, IOException, InvalidKeySpecException, NoSuchProviderException {
         String secret = new String(clientSecretGenerator.getClientSecret().getBytes(), StandardCharsets.UTF_8);
-        Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
-        JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
-        pemConverter.setProvider("BC");
-        final Reader pemReader = new InputStreamReader(new ByteArrayInputStream(clientSecretGenerator.getPemData()));
-        final PEMParser parser = new PEMParser(pemReader);
-        PrivateKey privateKey;
-        Object pemObj = parser.readObject();
+        final Key key = Keys.decode(clientSecretGenerator.getPemData());
+        
+        // Get the public key
+        final Key publicKey = key.getPublicKey();
 
-        privateKey = pemConverter.getPrivateKey((PrivateKeyInfo) pemObj);
-
-        // Generate public key from private key
-        KeyFactory keyFactory = KeyFactory.getInstance("ECDSA", "BC");
-        ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("secp256r1");
-
-        ECPoint Q = ecSpec.getG().multiply(((ECPrivateKey) privateKey).getD());
-        byte[] publicDerBytes = Q.getEncoded(false);
-
-        ECPoint point = ecSpec.getCurve().decodePoint(publicDerBytes);
-        ECPublicKeySpec pubSpec = new ECPublicKeySpec(point, ecSpec);
-        ECPublicKey publicKeyGenerated = (ECPublicKey) keyFactory.generatePublic(pubSpec);
-
-        Jws<Claims> jwt = Jwts.parserBuilder().setSigningKey(publicKeyGenerated).build().parseClaimsJws(secret);
+        Jws<Claims> jwt = Jwts.parserBuilder().setSigningKey(publicKey.getKey()).build().parseClaimsJws(secret);
         assertThat(jwt.getHeader().get("kid"), is("keyid"));
         assertThat(jwt.getHeader().get("alg"), is("ES256"));
         Claims claims = jwt.getBody();
-- 
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