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Zero CTR mode IV in IV Included mode.
[silc.git]
/
lib
/
silcske
/
silcske.c
diff --git
a/lib/silcske/silcske.c
b/lib/silcske/silcske.c
index 6583562882a527511507da098aab92db0367338d..b3a151e6eaeb7f8f4a5b947cb3b4e11a731a2614 100644
(file)
--- a/
lib/silcske/silcske.c
+++ b/
lib/silcske/silcske.c
@@
-3391,7
+3391,7
@@
SilcBool silc_ske_set_keys(SilcSKE ske,
SilcHmac *ret_hmac_receive,
SilcHash *ret_hash)
{
SilcHmac *ret_hmac_receive,
SilcHash *ret_hash)
{
- unsigned char iv[
32
];
+ unsigned char iv[
SILC_HASH_MAXLEN
];
SilcBool iv_included = (prop->flags & SILC_SKE_SP_FLAG_IV_INCLUDED);
/* Allocate ciphers to be used in the communication */
SilcBool iv_included = (prop->flags & SILC_SKE_SP_FLAG_IV_INCLUDED);
/* Allocate ciphers to be used in the communication */
@@
-3443,6
+3443,8
@@
SilcBool silc_ske_set_keys(SilcSKE ske,
silc_hash_make(prop->hash, keymat->receive_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->receive_iv, 8);
silc_hash_make(prop->hash, keymat->receive_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->receive_iv, 8);
+ else
+ memset(iv + 4, 0, 12);
}
silc_cipher_set_iv(*ret_send_key, iv);
}
silc_cipher_set_iv(*ret_send_key, iv);
@@
-3467,6
+3469,8
@@
SilcBool silc_ske_set_keys(SilcSKE ske,
silc_hash_make(prop->hash, keymat->send_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->send_iv, 8);
silc_hash_make(prop->hash, keymat->send_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->send_iv, 8);
+ else
+ memset(iv + 4, 0, 12);
}
silc_cipher_set_iv(*ret_receive_key, iv);
}
silc_cipher_set_iv(*ret_receive_key, iv);
@@
-3498,6
+3502,8
@@
SilcBool silc_ske_set_keys(SilcSKE ske,
silc_hash_make(prop->hash, keymat->send_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->send_iv, 8);
silc_hash_make(prop->hash, keymat->send_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->send_iv, 8);
+ else
+ memset(iv + 4, 0, 12);
}
silc_cipher_set_iv(*ret_send_key, iv);
}
silc_cipher_set_iv(*ret_send_key, iv);
@@
-3523,6
+3529,8
@@
SilcBool silc_ske_set_keys(SilcSKE ske,
silc_hash_make(prop->hash, keymat->receive_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->receive_iv, 8);
silc_hash_make(prop->hash, keymat->receive_iv, 8, iv);
if (!iv_included)
memcpy(iv + 4, keymat->receive_iv, 8);
+ else
+ memset(iv + 4, 0, 12);
}
silc_cipher_set_iv(*ret_receive_key, iv);
}
silc_cipher_set_iv(*ret_receive_key, iv);