dearsky/pico-hsm
1
0
Fork 0
Code Issues 17 Pull Requests 4 Actions Packages Projects Releases 26 Wiki Activity

Fixes with AES encryption

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-03-29 18:25:47 +02:00
parent 2f4cca19c4
commit 2e655d6341
3 changed files with 4 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/hsm/sc_hsm.c
View File

@@ -1130,8 +1130,6 @@ static int cmd_key_gen() {
int load_private_key_rsa(mbedtls_rsa_context *ctx, file_t *fkey) {
int key_size = file_read_uint16(fkey->data);
if (load_dkek() != HSM_OK)
return SW_EXEC_ERROR();
uint8_t *kdata = (uint8_t *)calloc(1,key_size);
memcpy(kdata, file_read(fkey->data+2), key_size);
if (dkek_decrypt(kdata, key_size) != 0) {
@@ -1170,8 +1168,6 @@ int load_private_key_rsa(mbedtls_rsa_context *ctx, file_t *fkey) {
int load_private_key_ecdsa(mbedtls_ecdsa_context *ctx, file_t *fkey) {
int key_size = file_read_uint16(fkey->data);
if (load_dkek() != HSM_OK)
return HSM_EXEC_ERROR;
uint8_t *kdata = (uint8_t *)calloc(1,key_size);
memcpy(kdata, file_read(fkey->data+2), key_size);
if (dkek_decrypt(kdata, key_size) != 0) {
@@ -1384,8 +1380,6 @@ static int cmd_decrypt_asym() {
else if (P2(apdu) == ALGO_EC_DH) {
mbedtls_ecdh_context ctx;
int key_size = file_read_uint16(ef->data);
if (load_dkek() != HSM_OK)
return SW_EXEC_ERROR();
uint8_t *kdata = (uint8_t *)calloc(1,key_size);
memcpy(kdata, file_read(ef->data+2), key_size);
if (dkek_decrypt(kdata, key_size) != 0) {
@@ -1440,8 +1434,6 @@ static int cmd_cipher_sym() {
return SW_WRONG_LENGTH();
}
int key_size = file_read_uint16(ef->data);
if (load_dkek() != HSM_OK)
return SW_EXEC_ERROR();
uint8_t kdata[32]; //maximum AES key size
memcpy(kdata, file_read(ef->data+2), key_size);
if (dkek_decrypt(kdata, key_size) != 0) {