diff options
Diffstat (limited to 'src/common/crypto_curve25519.c')
| -rw-r--r-- | src/common/crypto_curve25519.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/common/crypto_curve25519.c b/src/common/crypto_curve25519.c index 44b280a346..dcb1e95208 100644 --- a/src/common/crypto_curve25519.c +++ b/src/common/crypto_curve25519.c @@ -181,6 +181,7 @@ crypto_read_tagged_contents_from_file(const char *fname, char *content = NULL; struct stat st; ssize_t r = -1; + size_t st_size; *tag_out = NULL; st.st_size = 0; @@ -189,6 +190,7 @@ crypto_read_tagged_contents_from_file(const char *fname, goto end; if (st.st_size < 32 || st.st_size > 32 + data_out_len) goto end; + st_size = (size_t)st.st_size; memcpy(prefix, content, 32); prefix[32] = 0; @@ -205,12 +207,12 @@ crypto_read_tagged_contents_from_file(const char *fname, *tag_out = tor_strndup(prefix+5+strlen(typestring), strlen(prefix)-8-strlen(typestring)); - memcpy(data_out, content+32, st.st_size-32); - r = st.st_size - 32; + memcpy(data_out, content+32, st_size-32); + r = st_size - 32; end: if (content) - memwipe(content, 0, st.st_size); + memwipe(content, 0, st_size); tor_free(content); return r; } |