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cmac: Reset state before doing set_key()

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Martin Willi
2015-03-27 16:07:53 +01:00
parent 4075e9d7a4
commit bc1876bc9a
1 changed files with 3 additions and 0 deletions
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src/libstrongswan/plugins/cmac/cmac.c
+3
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@@ -247,6 +247,9 @@ METHOD(mac_t, set_key, bool,
{ {
chunk_t resized, iv, l; chunk_t resized, iv, l;
memset(this->t, 0, this->b);
this->remaining_bytes = 0;
/* we support variable keys as defined in RFC 4615 */ /* we support variable keys as defined in RFC 4615 */
if (key.len == this->b) if (key.len == this->b)
{ {