coelner/pico-hsm
1
0
Fork 0
mirror of https://github.com/polhenarejos/pico-hsm.git synced 2024-09-20 03:10:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix key exchange.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos 2024-01-02 02:44:59 +01:00
parent 39f1041dbb
commit a1d7733b95
No known key found for this signature in database
GPG Key ID: C0095B7870A4CCD3
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/hsm/cmd_decrypt_asym.c
View File

@ -111,6 +111,7 @@ int cmd_decrypt_asym() {
} }
r = -1; r = -1;
if (p2 == ALGO_EC_DH) { if (p2 == ALGO_EC_DH) {
*(apdu.data - 1) = (uint8_t)apdu.nc;
r = mbedtls_ecdh_read_public(&ctx, apdu.data - 1, apdu.nc + 1); r = mbedtls_ecdh_read_public(&ctx, apdu.data - 1, apdu.nc + 1);
} }
else if (p2 == ALGO_EC_DH_XKEK) { else if (p2 == ALGO_EC_DH_XKEK) {
@ -119,7 +120,9 @@ int cmd_decrypt_asym() {
if (pub) { if (pub) {
uint16_t t86_len = 0; uint16_t t86_len = 0;
const uint8_t *t86 = cvc_get_field(pub, pub_len, &t86_len, 0x86); const uint8_t *t86 = cvc_get_field(pub, pub_len, &t86_len, 0x86);
uint8_t *t86w = (uint8_t *)t86;
if (t86) { if (t86) {
*(t86w - 1) = (uint8_t)t86_len;
r = mbedtls_ecdh_read_public(&ctx, t86 - 1, t86_len + 1); r = mbedtls_ecdh_read_public(&ctx, t86 - 1, t86_len + 1);
} }
} }