james/yubikey.rs
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Securely dispose of pin copy

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This commit is contained in:
Mikhail Denisenko
2015-12-01 16:45:09 -05:00
parent 1a533ea0dc
commit 36972ebc6f
1 changed files with 7 additions and 3 deletions
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ykcs11/token_vendors.c
+6 -2
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@@ -13,6 +13,7 @@ static CK_RV COMMON_token_login(ykpiv_state *state, CK_USER_TYPE user, CK_UTF8CH
unsigned char key[24];
size_t key_len = sizeof(key);
unsigned char *term_pin;
ykpiv_rc res;
if (user == CKU_USER) {
// add null termination for the pin
@@ -23,12 +24,15 @@ static CK_RV COMMON_token_login(ykpiv_state *state, CK_USER_TYPE user, CK_UTF8CH
memcpy(term_pin, pin, pin_len);
term_pin[pin_len] = 0;
if (ykpiv_verify(state, (char *)term_pin, &tries) != YKPIV_OK) {
res = ykpiv_verify(state, (char *)term_pin, &tries);
OPENSSL_cleanse(term_pin, pin_len);
free(term_pin);
if (res != YKPIV_OK) {
DBG("Failed to login");
return CKR_PIN_INCORRECT;
}
free(term_pin);
}
else if (user == CKU_SO) {
if(ykpiv_hex_decode((char *)pin, pin_len, key, &key_len) != YKPIV_OK) {