static int starcos_C_DecryptInit(struct p11Object_t *pObject, CK_MECHANISM_PTR mech)
{
unsigned char *algotlv;
FUNC_CALLED();
FUNC_RETURNS(getAlgorithmIdForDecryption(pObject->token, mech->mechanism, &algotlv));
}
static int sc_hsm_C_DecryptInit(struct p11Object_t *pObject, CK_MECHANISM_PTR mech)
{
int algo;
FUNC_CALLED();
algo = getAlgorithmIdForDecryption(mech->mechanism);
if (algo < 0) {
FUNC_FAILS(CKR_MECHANISM_INVALID, "Mechanism not supported");
}
FUNC_RETURNS(CKR_OK);
}
static int sc_hsm_C_Decrypt(struct p11Object_t *pObject, CK_MECHANISM_TYPE mech, CK_BYTE_PTR pEncryptedData, CK_ULONG ulEncryptedDataLen, CK_BYTE_PTR pData, CK_ULONG_PTR pulDataLen)
{
int rc, algo;
unsigned short SW1SW2;
unsigned char scr[256];
FUNC_CALLED();
if (pData == NULL) {
*pulDataLen = pObject->keysize >> 3;
FUNC_RETURNS(CKR_OK);
}
algo = getAlgorithmIdForDecryption(mech);
if (algo < 0) {
FUNC_FAILS(CKR_MECHANISM_INVALID, "Mechanism not supported");
}
rc = transmitAPDU(pObject->token->slot, 0x80, 0x62, (unsigned char)pObject->tokenid, (unsigned char)algo,
ulEncryptedDataLen, pEncryptedData,
0, scr, sizeof(scr), &SW1SW2);
if (rc < 0) {
FUNC_FAILS(CKR_DEVICE_ERROR, "transmitAPDU failed");
}
if (SW1SW2 != 0x9000) {
FUNC_FAILS(CKR_ENCRYPTED_DATA_INVALID, "Decryption operation failed");
}
