对方给的为 rsa 512bit 加密，文件如下(密钥只是做演示用，实际上不会用它，谢谢各位关心):
公钥: MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDoDluy+M0FpwQbCPPpYuICWDWOGHpuaSslLN8pegFrrINVGjZ7HnTHqKiP7dtKw+Rwt3jdc5MsNxrnTHKTXMjV4PFhJfmp7cQhq4CgByoS+NQG7hMcSSE2MSA5W0mD4qXOrgQKT6BeETEDRk0PjKA5SLdhQkDuNMMRFffgufsd4QIDAQAB
私钥： MIIBVAIBADANBgkqhkiG9w0BAQEFAASCAT4wggE6AgEAAkEAmsQGx3MOMHYVJF6VwV6rBcJ_GcfW-U1gtOhxC2iFf6veqqEG9zwtOPAT2I82hOSyRW7CHDg_N0AKFj7-7J_nlQIDAQABAkEAkMYy-Tx914N-f4kjWcIvBbJNp1YzmP5zKogNx3g8-ZHb7PmvLL7MGX-yeaH2WDJbAcisYRBR-QMKSTLK0wxbuQIhAOFxGiEeIynPPlP8hNNhQpkfqQDEdwiPrsReDddz1IqHAiEAr75xho4Z1ivaGq93bvskWA0C8CEXR7x73skh_vv1eAMCIEoHyw3PCLsFDDGmPbPwP19rLyNKYNBV5o0jWaZDqirnAiBOF_BWfFqaww2-Ae6ukEbMIawGjI3NwMHCc9n5dnjThQIgICR7g2y_DLFeacC5Kx99dSDh-d5ZcO-vQmMAMp6TS2A
公钥加密——私钥解密 明文： {"iccid":"8986112022503532929","nickName":"aaa","userPhone":"17336606861","idCard":"430204199101172111"}
密文： khls5onpTAZ9ilpcQgg4ACX22BSdFmMW_rSlXQmbrso20jVDpq5S0V8WhmibonkfRun0H3gVIeOnD5DHzcIJCXVKpYAUeNX-om38Lh7vHJAGzpfbx0uKV_nK5Wqe6rocAK72sxpOb4NAAtlep_tKPE8ZDgKSlAs5wJWH3CMpzP4
我用的 php 这样写的: public function publicEncrypt($data = '') { if (!is_string($data)) { return null; } return openssl_public_encrypt($data, $encrypted, $this->public_key) ? base64_encode($encrypted) : null; }
返回的为空，我在在线网站上用 rsa 512bit 貌似也不行，麻烦各位帮我看一下他是怎么加密的，他是用的 java，php 有什么办法没，谢谢