使用私钥的Javascript RSA解密

时间:2013-01-14 00:27:09

标签: javascript rsa public-key-encryption encryption private-key

你好我有这个我在Javascript中设置的脚本:

<!DOCTYPE html>
    <html lang="en">
            <head>
            <script src="jquery-1.7.2.min.js" type="text/javascript"></script>
            <script language="JavaScript" type="text/javascript" src="jsbn.js"></script>
            <script language="JavaScript" type="text/javascript" src="rsa.js"></script>
            <script language="JavaScript">

                function encryptData(){
                    var pem ="-----BEGIN PUBLIC KEY-----\
                    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+tii3IwzHa4i142kAB0dRVXoXA2Q8oF48UgMA\
                    AV54+JDED5iVyJK1s7J/xGi4U3+9sRoraE7bS19Nihs5DuYa0gsbKs/5jXOtKiw94fAtMyJTcX0d\
                    SzZhJKcX9vEzI27Hdu1rNFY64Ixz3KjrG1N/pXHtwjE1Ira5XZdTezx0wwIDAQAB\
                    -----END PUBLIC KEY-----";
                    var key = RSA.getPublicKey(pem);
                    var message = "some text to RSA encrypt";
                    var encryptedMessage = RSA.encrypt(message, key);
                    $('#RSAMessageEncrypted').html(encryptedMessage);
                }
            </script>
            </head>
        <body onload=encryptData();>
        <form>
            <strong>RSA encrypted Message :</strong> <textarea rows="10" cols="100"   id="RSAMessageEncrypted"></textarea><br>
        </form> 
        </body>
    </html>

我的文本区域中填充了使用上述公钥在RSA中加密的邮件。

加密邮件是:

oH1JVWIT7MOH4ObCjFlBuFcAUvooSZANMokFy5jApSi8n0ABVc9vwXP2EFl2x5+UColU6s2VAU+RsZPV4ZgZu3+GhN9pDUb1ZMVyYRECDy/7h+mE+UdDZTPwP1TAcBrspL/XM6+q6mJfUWbEKfR/2vyNUhBxpt6QOhVaI29aHfU=

我的问题如下:如何使用此公钥派生自的私钥对解密我的邮件?有解密库吗?

我的私钥是:

-----BEGIN RSA PRIVATE KEY-----
MIICXQIBAAKBgQC+tii3IwzHa4i142kAB0dRVXoXA2Q8oF48UgMAAV54+JDED5iVyJK1s7J/xGi4
U3+9sRoraE7bS19Nihs5DuYa0gsbKs/5jXOtKiw94fAtMyJTcX0dSzZhJKcX9vEzI27Hdu1rNFY6
4Ixz3KjrG1N/pXHtwjE1Ira5XZdTezx0wwIDAQABAoGBAJY4Gd4XZ6t1Epxi4oQ5N33jXGXgMAZp
M5FD8EUCzw1ujWlB96iT8qvZPdLSPMJkUwxyAfELGoI13n3POR46lBhRpYKkTZm1UmEBscdO2B9w
B7YUM9caJG4TgWBKxD8KLriQANnXZrv9zNGx4Cs0USeQgWuDfgkBF+PvL5AVq+jRAkEA+O0MNvBM
kGtGCLt/V34jiivGs9HtXKSJY6vI60GYZYB7D3SniYVUsMocC+O3vyqdpMiO/szfLTAWdXB2yl3Q
VwJBAMQhmQkT57rJ07SS40t1HGonryrmGF3BcHw9sVCijZF/jrbKeL5XmhnbCr9Lhy/InepcSRFI
Pqzj32w0timLi3UCQCVsliKIXCp2RlA3yDxiNXunezc7v4DnJ9S5VfqwoPXZrCa1th6B0irGKBNN
iCmQgaTtljoOmRsVGLtNTj68ff8CQGeiLR/b0bUkEeY3OzzS27nH0EoFnNhlbw9m9btauR0pXnp9
j8FbvoRs9kfQG9WG1tJQAxfLqbpnCdY+IAbhwkUCQQDOIrm78sSuVL+U6f98P2eDSzhKgnepEEVJ
u5iBs3lT5T+p+Xov6DPLd13Pm7Lyppj8S7pW/1CwkTVwW+U3O2kj
-----END RSA PRIVATE KEY-----

1 个答案:

答案 0 :(得分:7)

首先,我希望您不会在生产中使用RSA私钥。

关于在JavaScript端进行加密/解密,有各种库,例如Standford's JSBN RSA Encryption libraryohdave.com's RSA in JavaScript utility,用于进行简单的加密/解密,但您主要关注这些工具甚至您的架构是表现。除非绝对必要,否则我不会使用JavaScript进行RSA加密,也没有其他解决方法。