diff options
Diffstat (limited to 'VPNAuth.Server')
| -rw-r--r-- | VPNAuth.Server/PkceUtils.cs | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/VPNAuth.Server/PkceUtils.cs b/VPNAuth.Server/PkceUtils.cs index a11926e..2299685 100644 --- a/VPNAuth.Server/PkceUtils.cs +++ b/VPNAuth.Server/PkceUtils.cs @@ -1,17 +1,24 @@ -namespace VPNAuth.Server; +using System.Security.Cryptography; + +namespace VPNAuth.Server; public static class PkceUtils { private static string _codeChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789"; + private static string _tokenChars = _codeChars + ".!$"; - public static string GenerateCode(int length = 10) + private static string GenerateRandomString(string availableChars, int length) { - string code = ""; + string randomString = ""; for (int i = 0; i < length; i++) - code += _codeChars[new Random().Next(_codeChars.Length)]; // TODO: Is that function random enough? - return code; + randomString += + availableChars[RandomNumberGenerator.GetInt32(availableChars.Length)]; + return randomString; } + public static string GenerateCode(int length = 10) + => GenerateRandomString(_codeChars, length); + public static string GenerateToken(int length = 20) - => GenerateCode(length); // TODO: maybe add more possible chars then for GenerateCode + => GenerateRandomString(_tokenChars, length); } |