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authorNick Mathewson <nickm@torproject.org>2017-11-30 12:07:59 -0500
committerNick Mathewson <nickm@torproject.org>2017-11-30 12:07:59 -0500
commitba4a9cf0c094b7a19e1bf44264b1244a23a4b38e (patch)
treebab81ffaf9bf664f4d699db1c99a67636c445032 /src/or/rendservice.c
parent3030741b5d24e9ae36e6d72c6a8c7d035fde9d2a (diff)
parentf49876d66efbc5679ba7d9d9c6538c763b8e06b5 (diff)
downloadtor-ba4a9cf0c094b7a19e1bf44264b1244a23a4b38e.tar.gz
tor-ba4a9cf0c094b7a19e1bf44264b1244a23a4b38e.zip
Merge branch 'maint-0.2.5' into maint-0.2.8
Diffstat (limited to 'src/or/rendservice.c')
-rw-r--r--src/or/rendservice.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index cbf9981360..829a1b7aea 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -1469,6 +1469,7 @@ rend_service_receive_introduction(origin_circuit_t *circuit,
time_t now = time(NULL);
time_t elapsed;
int replay;
+ size_t keylen;
/* Do some initial validation and logging before we parse the cell */
if (circuit->base_.purpose != CIRCUIT_PURPOSE_S_INTRO) {
@@ -1544,9 +1545,10 @@ rend_service_receive_introduction(origin_circuit_t *circuit,
}
/* check for replay of PK-encrypted portion. */
+ keylen = crypto_pk_keysize(intro_key);
replay = replaycache_add_test_and_elapsed(
intro_point->accepted_intro_rsa_parts,
- parsed_req->ciphertext, parsed_req->ciphertext_len,
+ parsed_req->ciphertext, MIN(parsed_req->ciphertext_len, keylen),
&elapsed);
if (replay) {