mirrors/pico-hsm
1
0
Fork 0
mirror of https://github.com/polhenarejos/pico-hsm.git synced 2026-01-17 09:28:05 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

EE_CERTIFICATE is added when importing key.

Browse source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos 2023-02-13 23:53:41 +01:00
parent 8f6ae52c70
commit 0685be5f1e
No known key found for this signature in database
GPG key ID: C0095B7870A4CCD3
1 changed files with 18 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
src/hsm/cmd_key_unwrap.c
View file

@ -18,6 +18,7 @@
#include "crypto_utils.h"
#include "sc_hsm.h"
#include "kek.h"
#include "cvc.h"
int cmd_key_unwrap() {
int key_id = P1(apdu), r = 0;
@ -35,12 +36,16 @@ int cmd_key_unwrap() {
mbedtls_rsa_init(&ctx);
do {
r = dkek_decode_key(++kdom, &ctx, apdu.data, apdu.nc, NULL, &allowed, &allowed_len);
} while((r == CCID_ERR_FILE_NOT_FOUND || r == CCID_WRONG_DKEK) && kdom < MAX_KEY_DOMAINS);
} while ((r == CCID_ERR_FILE_NOT_FOUND || r == CCID_WRONG_DKEK) && kdom < MAX_KEY_DOMAINS);
if (r != CCID_OK) {
mbedtls_rsa_free(&ctx);
return SW_EXEC_ERROR();
}
r = store_keys(&ctx, HSM_KEY_RSA, key_id);
if ((res_APDU_size = asn1_cvc_aut(&ctx, HSM_KEY_RSA, res_APDU, 4096, NULL, 0)) == 0) {
mbedtls_rsa_free(&ctx);
return SW_EXEC_ERROR();
}
mbedtls_rsa_free(&ctx);
if (r != CCID_OK) {
return SW_EXEC_ERROR();
@ -57,6 +62,10 @@ int cmd_key_unwrap() {
return SW_EXEC_ERROR();
}
r = store_keys(&ctx, HSM_KEY_EC, key_id);
if ((res_APDU_size = asn1_cvc_aut(&ctx, HSM_KEY_EC, res_APDU, 4096, NULL, 0)) == 0) {
mbedtls_ecdsa_free(&ctx);
return SW_EXEC_ERROR();
}
mbedtls_ecdsa_free(&ctx);
if (r != CCID_OK) {
return SW_EXEC_ERROR();
@ -102,5 +111,13 @@ int cmd_key_unwrap() {
if (r != CCID_OK)
return r;
}
if (res_APDU_size > 0) {
file_t *fpk = file_new((EE_CERTIFICATE_PREFIX << 8) | key_id);
r = flash_write_data_to_file(fpk, res_APDU, res_APDU_size);
if (r != 0)
return SW_EXEC_ERROR();
low_flash_available();
res_APDU_size = 0;
}
return SW_OK();
}