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public class CalPrivateKey {
public static void main(String[] args)
{
String appKey = “cee56d5722ea3afbef390e4dd1beda77”;
String appSecret = “010b02dd9b580f116c5352c5ecb7ca92”;
String privateKey = getHash(appSecret + “#” + appKey);
System.out.println(privateKey);
}
public static String getHash(String uri)
{
MessageDigest mDigest;
try
{
mDigest = MessageDigest.getInstance(“MD5”);
mDigest.update(uri.getBytes());
byte d[] = mDigest.digest();
return toHexString(d);
}
catch (NoSuchAlgorithmException e)
{
e.printStackTrace();
}
return uri;
}
private static final char HEX_DIGITS[] =
{
‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’, ‘a’, ‘b’, ‘c’, ‘d’, ‘e’, ‘f’
};
public static String toHexString(byte[] b)
{ // String to byte
StringBuilder sb = new StringBuilder(b.length * 2);
for (int i = 0; i < b.length; i++)
{
sb.append(HEX_DIGITS[(b[i] & 0xf0) >>> 4]);
sb.append(HEX_DIGITS[b[i] & 0x0f]);
}
return sb.toString();
}
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