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Adding asn1_find_tag() for searching for a tag in a asn1 string.

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Pol Henarejos
2022-05-30 23:31:17 +02:00
parent ef52ae37d3
commit 950e276ee8
4 changed files with 31 additions and 10 deletions
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9
src/ccid/eac.c
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@@ -91,7 +91,8 @@ int sm_unwrap() {
uint8_t *body = NULL;
size_t body_size = 0;
bool is87 = false;
uint8_t tag = 0x0, *tag_data = NULL, *p = NULL;
uint16_t tag = 0x0;
uint8_t *tag_data = NULL, *p = NULL;
size_t tag_len = 0;
while (walk_tlv(apdu.data, apdu.nc, &p, &tag, &tag_len, &tag_data)) {
if (tag == 0x87 || tag == 0x85) {
@@ -180,7 +181,8 @@ int sm_wrap() {
}
int sm_get_le() {
uint8_t tag = 0x0, *tag_data = NULL, *p = NULL;
uint16_t tag = 0x0;
uint8_t *tag_data = NULL, *p = NULL;
size_t tag_len = 0;
while (walk_tlv(apdu.data, apdu.nc, &p, &tag, &tag_len, &tag_data)) {
if (tag == 0x97) {
@@ -231,7 +233,8 @@ int sm_verify() {
bool some_added = false;
const uint8_t *mac = NULL;
size_t mac_len = 0;
uint8_t tag = 0x0, *tag_data = NULL, *p = NULL;
uint16_t tag = 0x0;
uint8_t *tag_data = NULL, *p = NULL;
size_t tag_len = 0;
while (walk_tlv(apdu.data, apdu.nc, &p, &tag, &tag_len, &tag_data)) {
if (tag & 0x1) {