JwtSecurityTokenHandler.ValidateToken Method (String)
Reads and validates a token encoded in JSON Compact serialized format.
Namespace: System.IdentityModel.Tokens
Assembly: System.IdentityModel.Tokens.Jwt (in System.IdentityModel.Tokens.Jwt.dll)
Syntax
'Declaration
Public Overridable Function ValidateToken ( _
jwtEncodedString As String _
) As ClaimsPrincipal
public virtual ClaimsPrincipal ValidateToken(
string jwtEncodedString
)
public:
virtual ClaimsPrincipal^ ValidateToken(
String^ jwtEncodedString
)
abstract ValidateToken :
jwtEncodedString:string -> ClaimsPrincipal
override ValidateToken :
jwtEncodedString:string -> ClaimsPrincipal
public function ValidateToken(
jwtEncodedString : String
) : ClaimsPrincipal
Parameters
jwtEncodedString
Type: System.StringA 'JSON Web Token' (JWT) that has been encoded as a JSON object. May be signed using 'JSON Web Signature' (JWS).
Return Value
Type: System.Security.Claims.ClaimsPrincipal
Returns ClaimsPrincipal.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | 'jwtEncodedString' is null. |
Remarks
Calls ValidateToken.
To obtain the JwtSecurityToken, ReadToken is called.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.