개정판 4b97b147
add local license check for sppid
Change-Id: If25facd4d3520ce0bb105a868a3cd93457406c61
| DTI_PID/SPPIDConverter/License.cs | ||
|---|---|---|
| 148 | 148 |
{
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| 149 | 149 |
bool result = false; |
| 150 | 150 | |
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return true; |
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// return true;
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| 152 | 152 | |
| 153 | 153 |
try |
| 154 | 154 |
{
|
| ... | ... | |
| 156 | 156 |
if (!string.IsNullOrEmpty(key)) |
| 157 | 157 |
{
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| 158 | 158 |
key = Crypt.decrypt(key, "dof1073#"); |
| 159 | ||
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if (CheckLocalKey(key)) |
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{
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Settings.Default.LicenseKey = Crypt.encrypt(key, "dof1073#"); |
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Settings.Default.Save(); |
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return true; |
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} |
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| 159 | 167 |
} |
| 160 | 168 |
else |
| 161 | 169 |
{
|
| ... | ... | |
| 168 | 176 |
if (dlg.ShowDialog() == DialogResult.OK) |
| 169 | 177 |
{
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| 170 | 178 |
key = dlg.key; |
| 179 | ||
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if (CheckLocalKey(key)) |
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{
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Settings.Default.LicenseKey = Crypt.encrypt(key, "dof1073#"); |
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Settings.Default.Save(); |
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return true; |
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} |
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| 171 | 187 |
} |
| 172 | 188 | |
| 173 | 189 |
if (CheckLicense(key)) |
| ... | ... | |
| 196 | 212 |
return result; |
| 197 | 213 |
} |
| 198 | 214 | |
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public static bool CheckLocalKey(string key) |
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{
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//return false; // for erase key |
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try |
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{
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string _key = "Image Drawing to Intelligent Drawing"; |
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string incoming = key.Replace('_', '/').Replace('-', '+');
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switch (key.Length % 4) |
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{
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case 2: incoming += "=="; break; |
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case 3: incoming += "="; break; |
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} |
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byte[] bytes = Convert.FromBase64String(incoming); |
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string originalText = Encoding.ASCII.GetString(bytes); |
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string decodeText = ""; |
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//for (int i = 0; i < originalText.Length; i++) |
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//{
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// var key_c = _key[i % _key.Length]; |
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// var dec_c = (char)((256 + originalText[i] - (key_c)) % 256); |
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// decodeText += dec_c; |
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//} |
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for (int i = 0; i < bytes.Length; i++) |
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{
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var key_c = _key[i % _key.Length]; |
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var dec_c = (char)((256 + bytes[i] - (key_c)) % 256); |
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decodeText += dec_c; |
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} |
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if (SystemInformation.ComputerName == decodeText) |
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{
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return true; |
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} |
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} |
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catch (Exception ex) |
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{
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// local key가 아님 |
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} |
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return false; |
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} |
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| 199 | 258 |
public static bool CheckLicense(string key) |
| 200 | 259 |
{
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// return false; // for erase key
|
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//return false; // for erase key |
|
| 202 | 261 |
try |
| 203 | 262 |
{
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| 204 | 263 |
const string secret = "795hi#(7qq5&p#f3ysa#n-449h8g_n95olca)b%t23s7!w%v0m"; |
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