aboutsummaryrefslogtreecommitdiffstats
path: root/unmarshal.c
diff options
context:
space:
mode:
authorMattias Andrée <maandree@kth.se>2019-02-10 11:39:37 +0100
committerMattias Andrée <maandree@kth.se>2019-02-10 11:39:37 +0100
commit3c3a199f287faa7e3b714c6c7c39e5b35d61ef10 (patch)
treedf1935465d6f35ec11c2e6174ddfbc842df0c073 /unmarshal.c
parentFix warnings (diff)
downloadlibsha2-3c3a199f287faa7e3b714c6c7c39e5b35d61ef10.tar.gz
libsha2-3c3a199f287faa7e3b714c6c7c39e5b35d61ef10.tar.bz2
libsha2-3c3a199f287faa7e3b714c6c7c39e5b35d61ef10.tar.xz
Marshal/Unmarshal: do no marshal unset bytes in the chunk
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'unmarshal.c')
-rw-r--r--unmarshal.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/unmarshal.c b/unmarshal.c
index 315d556..6bbfaa0 100644
--- a/unmarshal.c
+++ b/unmarshal.c
@@ -74,12 +74,12 @@ libsha2_unmarshal(struct libsha2_state *restrict state, const char *restrict buf
state->chunk_size = *(const size_t *)&buf[off];
off += sizeof(size_t);
- if (bufsize - off < state->chunk_size) {
+ if (bufsize - off < state->message_size % state->chunk_size) {
errno = EINVAL;
return 0;
}
- memcpy(state->chunk, &buf[off], state->chunk_size);
- off += state->chunk_size;
+ memcpy(state->chunk, &buf[off], state->message_size % state->chunk_size);
+ off += state->message_size % state->chunk_size;
return off;
}