commit a9fa483004b0951c3fc7f8a9f5a097b917da6fa8 Author: Nick Mathewson nickm@torproject.org Date: Sat Mar 24 13:49:44 2018 -0400

Document a requirement for cells to be encrypted. --- src/or/relay_crypto.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/src/or/relay_crypto.c b/src/or/relay_crypto.c index 9d61ecd42..c42a4f9cc 100644 --- a/src/or/relay_crypto.c +++ b/src/or/relay_crypto.c @@ -170,6 +170,9 @@ relay_decrypt_cell(circuit_t *circ, cell_t *cell, /** * Encrypt a cell <b>cell</b> that we are creating, and sending outbound on * <b>circ</b> until the hop corresponding to <b>layer_hint</b>. + * + * The integrity field and recognized field of <b>cell</b>'s relay headers + * must be set to zero. */ void relay_encrypt_cell_outbound(cell_t *cell, @@ -193,6 +196,9 @@ relay_encrypt_cell_outbound(cell_t *cell, /** * Encrypt a cell <b>cell</b> that we are creating, and sending on * <b>circuit</b> to the origin. + * + * The integrity field and recognized field of <b>cell</b>'s relay headers + * must be set to zero. */ void relay_encrypt_cell_inbound(cell_t *cell,