/**
|
* Alipay.com Inc. Copyright (c) 2004-2019 All Rights Reserved.
|
*/
|
package com.ks.daylucky.util;
|
|
import com.alipay.api.AlipayConstants;
|
|
/**
|
* RSA算法加密器 签名部分采用SHA1算法进行摘要计算
|
*/
|
public class RSA2Encryptor extends RSAEncryptor {
|
/**
|
* RSA2最大加密明文大小(2048/8-11=244)
|
*/
|
private static final int MAX_ENCRYPT_BLOCK_SIZE = 244;
|
/**
|
* RSA2最大解密密文大小(2048/8=256)
|
*/
|
private static final int MAX_DECRYPT_BLOCK_SIZE = 256;
|
|
@Override
|
protected String getAsymmetricType() {
|
return AlipayConstants.SIGN_TYPE_RSA2;
|
}
|
|
@Override
|
protected String getSignAlgorithm() {
|
return AlipayConstants.SIGN_SHA256RSA_ALGORITHMS;
|
}
|
|
@Override
|
protected int getMaxDecryptBlockSize() {
|
return MAX_DECRYPT_BLOCK_SIZE;
|
}
|
|
@Override
|
protected int getMaxEncryptBlockSize() {
|
return MAX_ENCRYPT_BLOCK_SIZE;
|
}
|
|
}
|
