TEE_Result TEE_DigestDoFinal(TEE_OperationHandle operation, void *chunk,
uint32_t chunkLen, void *hash, uint32_t *hashLen)
{
TEE_Result res;
uint64_t hl;
if ((operation == TEE_HANDLE_NULL) ||
(!chunk && chunkLen) ||
!hash ||
!hashLen ||
(operation->info.operationClass != TEE_OPERATION_DIGEST)) {
res = TEE_ERROR_BAD_PARAMETERS;
goto out;
}
hl = *hashLen;
res = utee_hash_final(operation->state, chunk, chunkLen, hash, &hl);
*hashLen = hl;
if (res != TEE_SUCCESS)
goto out;
/* Reset operation state */
init_hash_operation(operation, NULL, 0);
operation->operationState = TEE_OPERATION_STATE_INITIAL;
out:
if (res != TEE_SUCCESS &&
res != TEE_ERROR_SHORT_BUFFER)
TEE_Panic(0);
return res;
}
TEE_Result TEE_DigestDoFinal(TEE_OperationHandle operation, const void *chunk,
size_t chunkLen, void *hash, size_t *hashLen)
{
if (operation == TEE_HANDLE_NULL || (chunk == NULL && chunkLen != 0) ||
hash == NULL || hashLen == NULL)
TEE_Panic(0);
if (operation->info.operationClass != TEE_OPERATION_DIGEST)
TEE_Panic(0);
return utee_hash_final(operation->state, chunk, chunkLen, hash,
hashLen);
}
TEE_Result TEE_MACComputeFinal(TEE_OperationHandle operation,
void *message, uint32_t messageLen,
void *mac, uint32_t *macLen)
{
TEE_Result res;
uint64_t ml;
if (operation == TEE_HANDLE_NULL ||
(message == NULL && messageLen != 0) ||
mac == NULL ||
macLen == NULL) {
res = TEE_ERROR_BAD_PARAMETERS;
goto out;
}
if (operation->info.operationClass != TEE_OPERATION_MAC) {
res = TEE_ERROR_BAD_PARAMETERS;
goto out;
}
if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) {
res = TEE_ERROR_BAD_PARAMETERS;
goto out;
}
if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) {
res = TEE_ERROR_BAD_PARAMETERS;
goto out;
}
ml = *macLen;
res = utee_hash_final(operation->state, message, messageLen, mac, &ml);
*macLen = ml;
if (res != TEE_SUCCESS)
goto out;
operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED;
operation->operationState = TEE_OPERATION_STATE_INITIAL;
out:
if (res != TEE_SUCCESS &&
res != TEE_ERROR_SHORT_BUFFER)
TEE_Panic(res);
return res;
}
TEE_Result TEE_MACComputeFinal(TEE_OperationHandle op,
const void *message, size_t messageLen,
void *mac, size_t *macLen)
{
TEE_Result res;
if (op == TEE_HANDLE_NULL || (message == NULL && messageLen != 0) ||
mac == NULL || macLen == NULL)
TEE_Panic(0);
if (op->info.operationClass != TEE_OPERATION_MAC)
TEE_Panic(0);
if ((op->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0)
TEE_Panic(0);
res = utee_hash_final(op->state, message, messageLen, mac, macLen);
op->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED;
return res;
}
