[tor-commits] [tor/master] Hiding crypt_path_t: Move some more init funcs in crypt_path.c.

[dgoulet@xxxxxxxxxxxxxx]

commit 5f96b7abccc8e393c7f5e370ab3bf838dc3f8d4f
Author: George Kadianakis <desnacked@xxxxxxxxxx>
Date:   Mon Apr 8 15:32:23 2019 +0300

    Hiding crypt_path_t: Move some more init funcs in crypt_path.c.
    
    Everything is moved, but the argument of the function is edited to access
    ->private->crypto.
---
 src/core/or/circuitbuild.c | 28 ----------------------------
 src/core/or/circuitbuild.h |  3 ---
 src/core/or/crypt_path.c   | 30 ++++++++++++++++++++++++++++++
 src/core/or/crypt_path.h   |  4 ++++
 4 files changed, 34 insertions(+), 31 deletions(-)

diff --git a/src/core/or/circuitbuild.c b/src/core/or/circuitbuild.c
index 7216b813b..1ceb77c4a 100644
--- a/src/core/or/circuitbuild.c
+++ b/src/core/or/circuitbuild.c
@@ -1360,34 +1360,6 @@ circuit_extend(cell_t *cell, circuit_t *circ)
   return 0;
 }
 
-/** Initialize cpath-\>{f|b}_{crypto|digest} from the key material in key_data.
- *
- * If <b>is_hs_v3</b> is set, this cpath will be used for next gen hidden
- * service circuits and <b>key_data</b> must be at least
- * HS_NTOR_KEY_EXPANSION_KDF_OUT_LEN bytes in length.
- *
- * If <b>is_hs_v3</b> is not set, key_data must contain CPATH_KEY_MATERIAL_LEN
- * bytes, which are used as follows:
- *   - 20 to initialize f_digest
- *   - 20 to initialize b_digest
- *   - 16 to key f_crypto
- *   - 16 to key b_crypto
- *
- * (If 'reverse' is true, then f_XX and b_XX are swapped.)
- *
- * Return 0 if init was successful, else -1 if it failed.
- */
-int
-circuit_init_cpath_crypto(crypt_path_t *cpath,
-                          const char *key_data, size_t key_data_len,
-                          int reverse, int is_hs_v3)
-{
-
-  tor_assert(cpath);
-  return relay_crypto_init(&cpath->crypto, key_data, key_data_len, reverse,
-                           is_hs_v3);
-}
-
 /** A "created" cell <b>reply</b> came back to us on circuit <b>circ</b>.
  * (The body of <b>reply</b> varies depending on what sort of handshake
  * this is.)
diff --git a/src/core/or/circuitbuild.h b/src/core/or/circuitbuild.h
index e6f4f4b49..f6403955b 100644
--- a/src/core/or/circuitbuild.h
+++ b/src/core/or/circuitbuild.h
@@ -34,9 +34,6 @@ int circuit_timeout_want_to_count_circ(const origin_circuit_t *circ);
 int circuit_send_next_onion_skin(origin_circuit_t *circ);
 void circuit_note_clock_jumped(int64_t seconds_elapsed, bool was_idle);
 int circuit_extend(cell_t *cell, circuit_t *circ);
-int circuit_init_cpath_crypto(crypt_path_t *cpath,
-                              const char *key_data, size_t key_data_len,
-                              int reverse, int is_hs_v3);
 struct created_cell_t;
 int circuit_finish_handshake(origin_circuit_t *circ,
                              const struct created_cell_t *created_cell);
diff --git a/src/core/or/crypt_path.c b/src/core/or/crypt_path.c
index 9fc3e013b..77f129eff 100644
--- a/src/core/or/crypt_path.c
+++ b/src/core/or/crypt_path.c
@@ -114,6 +114,36 @@ assert_cpath_layer_ok(const crypt_path_t *cp)
   tor_assert(cp->deliver_window >= 0);
 }
 
+/** Initialize cpath-\>{f|b}_{crypto|digest} from the key material in key_data.
+ *
+ * If <b>is_hs_v3</b> is set, this cpath will be used for next gen hidden
+ * service circuits and <b>key_data</b> must be at least
+ * HS_NTOR_KEY_EXPANSION_KDF_OUT_LEN bytes in length.
+ *
+ * If <b>is_hs_v3</b> is not set, key_data must contain CPATH_KEY_MATERIAL_LEN
+ * bytes, which are used as follows:
+ *   - 20 to initialize f_digest
+ *   - 20 to initialize b_digest
+ *   - 16 to key f_crypto
+ *   - 16 to key b_crypto
+ *
+ * (If 'reverse' is true, then f_XX and b_XX are swapped.)
+ *
+ * Return 0 if init was successful, else -1 if it failed.
+ */
+int
+circuit_init_cpath_crypto(crypt_path_t *cpath,
+                          const char *key_data, size_t key_data_len,
+                          int reverse, int is_hs_v3)
+{
+
+  tor_assert(cpath);
+  return relay_crypto_init(&cpath->private->crypto, key_data, key_data_len, reverse,
+                           is_hs_v3);
+}
+
+
+
 /********************** cpath crypto API *******************************/
 
 /** Encrypt or decrypt <b>payload</b> using the crypto of <b>cpath</b>. Actual
diff --git a/src/core/or/crypt_path.h b/src/core/or/crypt_path.h
index fe25d85cf..a7ebe604f 100644
--- a/src/core/or/crypt_path.h
+++ b/src/core/or/crypt_path.h
@@ -12,6 +12,10 @@ void assert_cpath_ok(const crypt_path_t *cp);
 /* rename */
 int onion_append_hop(crypt_path_t **head_ptr, extend_info_t *choice);
 
+int circuit_init_cpath_crypto(crypt_path_t *cpath,
+                              const char *key_data, size_t key_data_len,
+                              int reverse, int is_hs_v3);
+
 /* rename */
 void onion_append_to_cpath(crypt_path_t **head_ptr, crypt_path_t *new_hop);
 



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