同步代码

src/test/java/com/chakracoin/shsm/cert/SimplePublicKey.java

@@ -0,0 +1,47 @@
+package com.chakracoin.shsm.cert;
+
+
+import com.sunyard.ssp.BytesUtil;
+
+import java.security.PublicKey;
+
+public class SimplePublicKey implements PublicKey {
+
+    private byte[] encoded;
+
+    public SimplePublicKey(String str) {
+        this.encoded = BytesUtil.hexString2Bytes( str );
+    }
+
+    @Override
+    public String getAlgorithm() {
+        return "EC";
+    }
+
+    @Override
+    public String getFormat() {
+        return "PKCS#8";
+    }
+
+    @Override
+    public byte[] getEncoded() {
+        return this.encoded;
+    }
+
+
+    public static SimplePublicKey getSimplePublickKey(String der) {
+
+        if (null == der || !der.startsWith("03420004") ) {
+            throw new IllegalArgumentException("公钥格式错误");
+        }
+
+        int headLen = 8;
+        int len = ( der.length() - 8 ) / 2;
+
+        String strcertPKX = der.substring(headLen, headLen + 64);
+        String strcertPKY = der.substring(headLen + len, headLen + len + 64);
+        der = "03420004" + strcertPKX + strcertPKY;
+
+        return new SimplePublicKey("3059301306072A8648CE3D020106082A811CCF5501822D" + der );
+    }
+}