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catcrypt.c, catsign.c: Shorten chunk sizes.
[u/mdw/catacomb]
/
catcrypt.c
diff --git
a/catcrypt.c
b/catcrypt.c
index
a1e3495
..
6e4f245
100644
(file)
--- a/
catcrypt.c
+++ b/
catcrypt.c
@@
-133,7
+133,7
@@
static int encrypt(int argc, char *argv[])
const char *err;
int i;
int en;
const char *err;
int i;
int en;
- size_t n;
+ size_t n
, chsz
;
dstr d = DSTR_INIT;
octet *tag, *ct;
buf b;
dstr d = DSTR_INIT;
octet *tag, *ct;
buf b;
@@
-261,6
+261,7
@@
static int encrypt(int argc, char *argv[])
assert(GC_CLASS(c)->blksz <= sizeof(bb));
dstr_ensure(&d, sizeof(bb) + GM_CLASS(m)->hashsz);
seq = 0;
assert(GC_CLASS(c)->blksz <= sizeof(bb));
dstr_ensure(&d, sizeof(bb) + GM_CLASS(m)->hashsz);
seq = 0;
+ chsz = MASK16 - GM_CLASS(m)->hashsz;
for (;;) {
h = GM_INIT(m);
GH_HASHU32(h, seq);
for (;;) {
h = GM_INIT(m);
GH_HASHU32(h, seq);
@@
-269,7
+270,7
@@
static int encrypt(int argc, char *argv[])
GC_ENCRYPT(cx, 0, bb, GC_CLASS(c)->blksz);
GC_SETIV(c, bb);
}
GC_ENCRYPT(cx, 0, bb, GC_CLASS(c)->blksz);
GC_SETIV(c, bb);
}
- n = fread(bb, 1,
sizeof(bb)
, fp);
+ n = fread(bb, 1,
chsz
, fp);
if (!n) break;
buf_init(&b, d.buf, d.sz);
tag = buf_get(&b, GM_CLASS(m)->hashsz);
if (!n) break;
buf_init(&b, d.buf, d.sz);
tag = buf_get(&b, GM_CLASS(m)->hashsz);