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pkcs11: Invalid free fixed in DH/ECDH implementation.

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This commit is contained in:
Tobias Brunner
2011-11-02 20:27:54 +01:00
parent 50ad6eacb6
commit 43cd036a77
1 changed files with 4 additions and 1 deletions
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src/libstrongswan/plugins/pkcs11/pkcs11_dh.c
+4 -1
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@@ -249,6 +249,7 @@ static bool generate_key_pair_ecp(private_pkcs11_dh_t *this,
CK_ATTRIBUTE pri_attr[] = { CK_ATTRIBUTE pri_attr[] = {
{ CKA_DERIVE, &ck_true, sizeof(ck_true) }, { CKA_DERIVE, &ck_true, sizeof(ck_true) },
}; };
chunk_t pub_key;
if (!generate_key_pair(this, pub_attr, countof(pub_attr), pri_attr, if (!generate_key_pair(this, pub_attr, countof(pub_attr), pri_attr,
countof(pri_attr), CKA_EC_POINT)) countof(pri_attr), CKA_EC_POINT))
{ {
@@ -260,7 +261,9 @@ static bool generate_key_pair_ecp(private_pkcs11_dh_t *this,
chunk_clear(&this->pub_key); chunk_clear(&this->pub_key);
return FALSE; return FALSE;
} }
this->pub_key = chunk_skip(this->pub_key, 1); pub_key = chunk_clone(chunk_skip(this->pub_key, 1));
chunk_clear(&this->pub_key);
this->pub_key = pub_key;
return TRUE; return TRUE;
} }