internal static SecurityKey ResolveSecurityKey(SecurityKeyIdentifier ski, SecurityTokenResolver tokenResolver)
        {
            if (ski == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("ski");
            }

            if (tokenResolver != null)
            {
                for (int i = 0; i < ski.Count; ++i)
                {
                    SecurityKey key = null;
                    if (tokenResolver.TryResolveSecurityKey(ski[i], out key))
                    {
                        return(key);
                    }
                }
            }

            if (ski.CanCreateKey)
            {
                return(ski.CreateKey());
            }

            return(null);
        }
示例#2
0
        /// <summary>
        /// Attempts to resolve the _securityKeyIdentifier into a securityKey.  If successful, the private _securityKey is set.
        /// Uses the tokenresolver that was passed in, it may be the case a keyIdentifier can
        /// generate a securityKey.  A RSA key can generate a key with just the public part.
        /// </summary>
        /// <returns>void</returns>
        void ResolveKey()
        {
            if (_securityKeyIdentifier == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("ski");
            }

            if (_securityKey == null)
            {
                lock (_keyLock)
                {
                    if (_securityKey == null)
                    {
                        if (_securityTokenResolver != null)
                        {
                            for (int i = 0; i < _securityKeyIdentifier.Count; ++i)
                            {
                                if (_securityTokenResolver.TryResolveSecurityKey(_securityKeyIdentifier[i], out _securityKey))
                                {
                                    return;
                                }
                            }
                        }

                        // most likely a public key, do this last
                        if (_securityKeyIdentifier.CanCreateKey)
                        {
                            _securityKey = _securityKeyIdentifier.CreateKey();
                            return;
                        }

                        throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
                                  new SecurityTokenException(SR.GetString(SR.ID2080,
                                                                          _securityTokenResolver == null ? "null" : _securityTokenResolver.ToString(),
                                                                          _securityKeyIdentifier == null ? "null" : _securityKeyIdentifier.ToString())), System.Diagnostics.TraceEventType.Error);
                    }
                }
            }
        }