code: public static String generateAlgorithm(AsymmetricAlgorithm asymmetricAlgorithm, DigestAlgorithm digestAlgorithm) {
  		final String digestPart = (null == digestAlgorithm) ? "NONE" : digestAlgorithm.name();
  		return StrUtil.format("{}with{}", digestPart, asymmetricAlgorithm.getValue());
  	}
docs: 生成算法，格式为XXXwithXXX
  
  @param asymmetricAlgorithm 非对称算法
  @param digestAlgorithm 摘要算法
  @return 算法
  @since 4.4.1