BLE: Comment security requirement elevation for signed writes.

2018-05-15 12:17:59 +01:00 · 2018-05-15 12:17:59 +01:00 · ee720f30bb
parent 2c7ed993ec
commit ee720f30bb
1 changed files with 2 additions and 0 deletions
--- a/features/FEATURE_BLE/ble/GattCharacteristic.h
+++ b/features/FEATURE_BLE/ble/GattCharacteristic.h
@ -1414,6 +1414,8 @@ public:
        _valueAttribute.allowWrite(isWritable(_properties));
        _valueAttribute.allowRead(isReadable(_properties));

+        // signed writes requires at least an unauthenticated CSRK or an
+        // unauthenticated ltk if the link is encrypted.
        if (_properties & BLE_GATT_CHAR_PROPERTIES_AUTHENTICATED_SIGNED_WRITES) {
            _valueAttribute.setWriteSecurityRequirement(
                SecurityRequirement_t::UNAUTHENTICATED