First Commit

chrizchow · Jan 14, 2020 · 1ae28cb · 1ae28cb
commit 1ae28cb
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diff --git a/.idea/.gitignore b/.idea/.gitignore
diff --git a/.idea/description.html b/.idea/description.html
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/.idea/modules.xml b/.idea/modules.xml
diff --git a/.idea/project-template.xml b/.idea/project-template.xml
diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
diff --git a/JPBC-FAME.iml b/JPBC-FAME.iml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="file://$MODULE_DIR$/lib" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+        <jarDirectory url="file://$MODULE_DIR$/lib" recursive="false" />
+      </library>
+    </orderEntry>
+  </component>
+</module>
diff --git a/a.properties b/a.properties
@@ -0,0 +1,14 @@
+type d
+q 625852803282871856053922297323874661378036491717
+n 625852803282871856053923088432465995634661283063
+h 3
+r 208617601094290618684641029477488665211553761021
+a 581595782028432961150765424293919699975513269268
+b 517921465817243828776542439081147840953753552322
+k 6
+nk 60094290356408407130984161127310078516360031868417968262992864809623507269833854678414046779817844853757026858774966331434198257512457993293271849043664655146443229029069463392046837830267994222789160047337432075266619082657640364986415435746294498140589844832666082434658532589211525696
+hk 1380801711862212484403205699005242141541629761433899149236405232528956996854655261075303661691995273080620762287276051361446528504633283152278831183711301329765591450680250000592437612973269056
+coeff0 472731500571015189154958232321864199355792223347
+coeff1 352243926696145937581894994871017455453604730246
+coeff2 289113341693870057212775990719504267185772707305
+nqr 431211441436589568382088865288592347194866189652
diff --git a/lib/bcprov-jdk16-1.46.jar b/lib/bcprov-jdk16-1.46.jar
diff --git a/lib/jna-3.2.5.jar b/lib/jna-3.2.5.jar
diff --git a/lib/jpbc-api-2.0.0.jar b/lib/jpbc-api-2.0.0.jar
diff --git a/lib/jpbc-benchmark-2.0.0.jar b/lib/jpbc-benchmark-2.0.0.jar
diff --git a/lib/jpbc-crypto-2.0.0.jar b/lib/jpbc-crypto-2.0.0.jar
diff --git a/lib/jpbc-mm-2.0.0.jar b/lib/jpbc-mm-2.0.0.jar
diff --git a/lib/jpbc-pbc-2.0.0.jar b/lib/jpbc-pbc-2.0.0.jar
diff --git a/lib/jpbc-plaf-2.0.0.jar b/lib/jpbc-plaf-2.0.0.jar
diff --git a/lib/test/jpbc-test-2.0.0-tests.jar b/lib/test/jpbc-test-2.0.0-tests.jar
diff --git a/out/production/JPBC-FAME/META-INF/JPBC-FAME.kotlin_module b/out/production/JPBC-FAME/META-INF/JPBC-FAME.kotlin_module
diff --git a/out/production/JPBC-FAME/hk/chriz/AESCoder.class b/out/production/JPBC-FAME/hk/chriz/AESCoder.class
diff --git a/out/production/JPBC-FAME/hk/chriz/FAME.class b/out/production/JPBC-FAME/hk/chriz/FAME.class
diff --git a/out/production/JPBC-FAME/hk/chriz/FAMECipherText.class b/out/production/JPBC-FAME/hk/chriz/FAMECipherText.class
diff --git a/out/production/JPBC-FAME/hk/chriz/FAMEMasterKey.class b/out/production/JPBC-FAME/hk/chriz/FAMEMasterKey.class
diff --git a/out/production/JPBC-FAME/hk/chriz/FAMEPubKey.class b/out/production/JPBC-FAME/hk/chriz/FAMEPubKey.class
diff --git a/out/production/JPBC-FAME/hk/chriz/FAMESecretKey.class b/out/production/JPBC-FAME/hk/chriz/FAMESecretKey.class
diff --git a/out/production/JPBC-FAME/hk/chriz/MSP.class b/out/production/JPBC-FAME/hk/chriz/MSP.class
diff --git a/out/production/JPBC-FAME/hk/chriz/Main.class b/out/production/JPBC-FAME/hk/chriz/Main.class
diff --git a/src/hk/chriz/AESCoder.java b/src/hk/chriz/AESCoder.java
@@ -0,0 +1,42 @@
+package hk.chriz;
+
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.SecureRandom;
+
+public class AESCoder {
+
+    private static byte[] getRawKey(byte[] seed) throws Exception {
+        KeyGenerator kgen = KeyGenerator.getInstance("AES");
+        SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
+        sr.setSeed(seed);
+        kgen.init(128, sr); // 192 and 256 bits may not be available
+        SecretKey skey = kgen.generateKey();
+        byte[] raw = skey.getEncoded();
+        return raw;
+    }
+
+    public static byte[] encrypt(byte[] seed, byte[] plaintext)
+            throws Exception {
+        byte[] raw = getRawKey(seed);
+        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
+        byte[] encrypted = cipher.doFinal(plaintext);
+        return encrypted;
+    }
+
+    public static byte[] decrypt(byte[] seed, byte[] ciphertext)
+            throws Exception {
+        byte[] raw = getRawKey(seed);
+        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        cipher.init(Cipher.DECRYPT_MODE, skeySpec);
+        byte[] decrypted = cipher.doFinal(ciphertext);
+
+        return decrypted;
+    }
+
+}