知道了如下信息,如何利用证书公钥加密数据啊.(20分)

证书哈希值：A1B3CDE03E443BCDCBDE9452BFE516AC7CB4A575
证书有效日期：2003-2-25 14:39:49
证书到期日：2009-12-31 15:59:59
证书格式：X509
证书哈希代码：-1582051872
频发机构名称：CN=131000000
证书算法：1.2.840.113549.1.1.1
证书密钥算法参数：0500
已向其发出证书的主体名称：CN=310044607320828
****证书公钥****：3046022100161BCCA71202680283349404CB7311DE7EA39D8AC1736EBF5368A16F3295FD750221000FCAB6C07A9401265DB7D771239B55E7A5D70304E348CA739C62503F2B5BFE37
整个证书的原始数据：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
证书的序列号：3934393332323532323033303032