james/yubikey.rs
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use 261 byte buffer for receive

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This commit is contained in:
Klas Lindfors
2015-09-28 11:15:30 +02:00
parent 17ebced2e6
commit 7640d34245
1 changed files with 9 additions and 9 deletions
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lib/ykpiv.c
+9 -9
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@@ -244,8 +244,8 @@ ykpiv_rc ykpiv_transfer_data(ykpiv_state *state, const unsigned char *templ,
}
do {
size_t this_size = 0xff;
unsigned long recv_len = 0xff;
unsigned char data[0xff];
unsigned char data[261];
unsigned long recv_len = sizeof(data);
APDU apdu;
memset(apdu.raw, 0, sizeof(apdu.raw));
@@ -281,8 +281,8 @@ ykpiv_rc ykpiv_transfer_data(ykpiv_state *state, const unsigned char *templ,
} while(in_ptr < in_data + in_len);
while(*sw >> 8 == 0x61) {
APDU apdu;
unsigned long recv_len = 0xff;
unsigned char data[0xff];
unsigned char data[261];
unsigned long recv_len = sizeof(data);
if(state->verbose > 2) {
fprintf(stderr, "The card indicates there is %d bytes more data for us.\n", *sw & 0xff);
@@ -348,7 +348,7 @@ static ykpiv_rc send_data(ykpiv_state *state, APDU *apdu,
ykpiv_rc ykpiv_authenticate(ykpiv_state *state, unsigned const char *key) {
APDU apdu;
unsigned char data[0xff];
unsigned char data[261];
DES_cblock challenge;
unsigned long recv_len = sizeof(data);
int sw;
@@ -391,7 +391,7 @@ ykpiv_rc ykpiv_authenticate(ykpiv_state *state, unsigned const char *key) {
DES_cblock response;
DES_ecb3_encrypt(&challenge, &response, &ks1, &ks2, &ks3, 0);
recv_len = 0xff;
recv_len = sizeof(data);
memset(apdu.raw, 0, sizeof(apdu));
apdu.st.ins = YKPIV_INS_AUTHENTICATE;
apdu.st.p1 = YKPIV_ALGO_3DES; /* triple des */
@@ -434,7 +434,7 @@ ykpiv_rc ykpiv_authenticate(ykpiv_state *state, unsigned const char *key) {
ykpiv_rc ykpiv_set_mgmkey(ykpiv_state *state, const unsigned char *new_key) {
APDU apdu;
unsigned char data[0xff];
unsigned char data[261];
unsigned long recv_len = sizeof(data);
int sw;
size_t i;
@@ -629,7 +629,7 @@ ykpiv_rc ykpiv_decipher_data(ykpiv_state *state, const unsigned char *in,
ykpiv_rc ykpiv_get_version(ykpiv_state *state, char *version, size_t len) {
APDU apdu;
unsigned char data[0xff];
unsigned char data[261];
unsigned long recv_len = sizeof(data);
int sw;
ykpiv_rc res;
@@ -651,7 +651,7 @@ ykpiv_rc ykpiv_get_version(ykpiv_state *state, char *version, size_t len) {
ykpiv_rc ykpiv_verify(ykpiv_state *state, const char *pin, int *tries) {
APDU apdu;
unsigned char data[0xff];
unsigned char data[261];
unsigned long recv_len = sizeof(data);
int sw;
size_t len = 0;