Add decompiled APK source code (JADX)

- 28,932 files
- Full Java source code
- Smali files
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

decompiled/sources/com/ea/nimble/mtx/googleplay/billing/Security.java

@@ -0,0 +1,73 @@
+package com.ea.nimble.mtx.googleplay.billing;
+
+import android.text.TextUtils;
+import android.util.Base64;
+import android.util.Log;
+import java.io.IOException;
+import java.security.InvalidKeyException;
+import java.security.KeyFactory;
+import java.security.NoSuchAlgorithmException;
+import java.security.PublicKey;
+import java.security.Signature;
+import java.security.SignatureException;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.X509EncodedKeySpec;
+
+/* loaded from: classes2.dex */
+class Security {
+    private static final String KEY_FACTORY_ALGORITHM = "RSA";
+    private static final String SIGNATURE_ALGORITHM = "SHA1withRSA";
+    private static final String TAG = "IABUtil/Security";
+
+    public static boolean verifyPurchase(String str, String str2, String str3) {
+        if (TextUtils.isEmpty(str2) || TextUtils.isEmpty(str) || TextUtils.isEmpty(str3)) {
+            Log.w(TAG, "Purchase verification failed: missing data.");
+            return false;
+        }
+        try {
+            return verify(generatePublicKey(str), str2, str3).booleanValue();
+        } catch (IOException e) {
+            Log.e(TAG, "Error generating PublicKey from encoded key: " + e.getMessage());
+            return false;
+        }
+    }
+
+    private static PublicKey generatePublicKey(String str) throws IOException {
+        try {
+            return KeyFactory.getInstance(KEY_FACTORY_ALGORITHM).generatePublic(new X509EncodedKeySpec(Base64.decode(str, 0)));
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException(e);
+        } catch (InvalidKeySpecException e2) {
+            String str2 = "Invalid key specification: " + e2;
+            Log.w(TAG, str2);
+            throw new IOException(str2);
+        }
+    }
+
+    private static Boolean verify(PublicKey publicKey, String str, String str2) {
+        try {
+            byte[] decode = Base64.decode(str2, 0);
+            try {
+                Signature signature = Signature.getInstance(SIGNATURE_ALGORITHM);
+                signature.initVerify(publicKey);
+                signature.update(str.getBytes());
+                if (signature.verify(decode)) {
+                    return Boolean.TRUE;
+                }
+                Log.w(TAG, "Signature verification failed...");
+                return Boolean.FALSE;
+            } catch (InvalidKeyException unused) {
+                Log.e(TAG, "Invalid key specification.");
+                return Boolean.FALSE;
+            } catch (NoSuchAlgorithmException e) {
+                throw new RuntimeException(e);
+            } catch (SignatureException unused2) {
+                Log.e(TAG, "Signature exception.");
+                return Boolean.FALSE;
+            }
+        } catch (IllegalArgumentException unused3) {
+            Log.w(TAG, "Base64 decoding failed.");
+            return Boolean.FALSE;
+        }
+    }
+}