public static String initMacKey() throws Exception {
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacMD5");
SecretKey secretKey = keyGenerator.generateKey();
return Base64.encodeToString(secretKey.getEncoded(), Base64.DEFAULT);
}
public String encrypt_HMAC(String source, String key) throws Exception {
SecretKey secretKey = new SecretKeySpec(Base64.decode(key,
Base64.DEFAULT), "HmacMD5");
Mac mac = Mac.getInstance(secretKey.getAlgorithm());
mac.init(secretKey);
return Base64.encodeToString(mac.doFinal(source.getBytes()),
Base64.DEFAULT);
}
//使用
try{
String key=initMacKey();
String result=encrypt_HMAC("哈哈哈", key);
}catch(Exception e){
}原文地址:http://blog.csdn.net/u013425527/article/details/41924473