private void frmAccountIssuer_Load(object sender, EventArgs e)
{
accountCode = Membership.GeneratePassword(16, 6);
var tfa = new TwoFactorAuthenticator();
info = tfa.GenerateSetupCode("CAESAR", accountCode, 300, 300);
}
/// <summary>
/// 生成用户可扫描的谷歌认证初始码 Generate a setup code for a Google Authenticator user to scan (with issuer ID).
/// </summary>
/// <param name="issuer">发行者ID Issuer ID (the name of the system, i.e. 'MyApp')</param>
/// <param name="accountTitleNoSpaces">帐户名 Account Title (no spaces)</param>
/// <param name="accountSecretKey">共享密钥 Account Secret Key</param>
/// <param name="qrCodeWidth">二维码宽度 QR Code Width</param>
/// <param name="qrCodeHeight">二维码高度 QR Code Height</param>
/// <param name="useHttps">是否使用HTTPS Use HTTPS instead of HTTP</param>
/// <returns>SetupCode object</returns>
public SetupCode GenerateSetupCode(string issuer, string accountTitleNoSpaces, string accountSecretKey, int qrCodeWidth, int qrCodeHeight, bool useHttps)
{
if (string.IsNullOrEmpty(accountTitleNoSpaces))
{
throw new NullReferenceException("Account Title is null");
}
accountTitleNoSpaces = accountTitleNoSpaces.Replace(" ", "");
SetupCode sC = new SetupCode();
sC.Account = accountTitleNoSpaces;
sC.AccountSecretKey = accountSecretKey;
//base32加密
string encodedSecretKey = EncodeAccountSecretKey(accountSecretKey);
sC.ManualEntryKey = encodedSecretKey;
string provisionUrl = null;
if (string.IsNullOrEmpty(issuer))
{
provisionUrl = String.Format("otpauth://totp/{0}?secret={1}", accountTitleNoSpaces, encodedSecretKey);
}
else
{
provisionUrl = String.Format("otpauth://totp/{0}?secret={1}&issuer={2}", accountTitleNoSpaces, encodedSecretKey, UrlEncode(issuer));
}
sC.QrCodeSetupUrl = provisionUrl;
provisionUrl = UrlEncode(provisionUrl);
string protocol = useHttps ? "https" : "http";
string url = String.Format("{0}://chart.googleapis.com/chart?cht=qr&chs={1}x{2}&chl={3}", protocol, qrCodeWidth, qrCodeHeight, provisionUrl);
sC.QrCodeSetupImageUrl = url;
return(sC);
}
/// <summary>
/// Generate a setup code for a Google Authenticator user to scan (with issuer ID).
/// </summary>
/// <param name="issuer">Issuer ID (the name of the system, i.e. 'MyApp')</param>
/// <param name="accountTitleNoSpaces">Account Title (no spaces)</param>
/// <param name="accountSecretKey">Account Secret Key</param>
/// <param name="qrCodeWidth">QR Code Width</param>
/// <param name="qrCodeHeight">QR Code Height</param>
/// <param name="useHttps">Use HTTPS instead of HTTP</param>
/// <returns>SetupCode object</returns>
public SetupCode GenerateSetupCode(string issuer, string accountTitleNoSpaces, string accountSecretKey, int qrCodeWidth, int qrCodeHeight, bool useHttps)
{
if (accountTitleNoSpaces == null) { throw new NullReferenceException("Account Title is null"); }
accountTitleNoSpaces = accountTitleNoSpaces.Replace(" ", "");
SetupCode sC = new SetupCode();
sC.Account = accountTitleNoSpaces;
sC.AccountSecretKey = accountSecretKey;
string encodedSecretKey = EncodeAccountSecretKey(accountSecretKey);
sC.ManualEntryKey = encodedSecretKey;
string provisionUrl = null;
if (string.IsNullOrEmpty(issuer))
{
provisionUrl = UrlEncode(String.Format("otpauth://totp/{0}?secret={1}", accountTitleNoSpaces, encodedSecretKey));
} else {
provisionUrl = UrlEncode(String.Format("otpauth://totp/{0}?secret={1}&issuer={2}", accountTitleNoSpaces, encodedSecretKey, UrlEncode(issuer)));
}
string protocol = useHttps ? "https" : "http";
string url = String.Format("{0}://chart.googleapis.com/chart?cht=qr&chs={1}x{2}&chl={3}", protocol, qrCodeWidth, qrCodeHeight, provisionUrl);
sC.QrCodeSetupImageUrl = url;
return sC;
}
