diff options
Diffstat (limited to 'src/or/hs_cell.h')
| -rw-r--r-- | src/or/hs_cell.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/or/hs_cell.h b/src/or/hs_cell.h index f32f7a4216..a72009510c 100644 --- a/src/or/hs_cell.h +++ b/src/or/hs_cell.h @@ -12,11 +12,39 @@ #include "or.h" #include "hs_service.h" +/* An INTRODUCE1 cell requires at least this amount of bytes (see section + * 3.2.2 of the specification). Below this value, the cell must be padded. */ +#define HS_CELL_INTRODUCE1_MIN_SIZE 246 + /* Onion key type found in the INTRODUCE1 cell. */ typedef enum { HS_CELL_ONION_KEY_TYPE_NTOR = 1, } hs_cell_onion_key_type_t; +/* This data structure contains data that we need to build an INTRODUCE1 cell + * used by the INTRODUCE1 build function. */ +typedef struct hs_cell_introduce1_data_t { + /* Is this a legacy introduction point? */ + unsigned int is_legacy : 1; + /* (Legacy only) The encryption key for a legacy intro point. Only set if + * is_legacy is true. */ + const crypto_pk_t *legacy_key; + /* Introduction point authentication public key. */ + const ed25519_public_key_t *auth_pk; + /* Introduction point encryption public key. */ + const curve25519_public_key_t *enc_pk; + /* Subcredentials of the service. */ + const uint8_t *subcredential; + /* Onion public key for the ntor handshake. */ + const curve25519_public_key_t *onion_pk; + /* Rendezvous cookie. */ + const uint8_t *rendezvous_cookie; + /* Public key put before the encrypted data (CLIENT_PK). */ + const curve25519_keypair_t *client_kp; + /* Rendezvous point link specifiers. */ + smartlist_t *link_specifiers; +} hs_cell_introduce1_data_t; + /* This data structure contains data that we need to parse an INTRODUCE2 cell * which is used by the INTRODUCE2 cell parsing function. On a successful * parsing, the onion_pk and rendezvous_cookie will be populated with the @@ -63,6 +91,8 @@ ssize_t hs_cell_build_rendezvous1(const uint8_t *rendezvous_cookie, const uint8_t *rendezvous_handshake_info, size_t rendezvous_handshake_info_len, uint8_t *cell_out); +ssize_t hs_cell_build_introduce1(const hs_cell_introduce1_data_t *data, + uint8_t *cell_out); /* Parse cell API. */ ssize_t hs_cell_parse_intro_established(const uint8_t *payload, |