TEE_Result TEE_AsymmetricSignDigest(TEE_OperationHandle operation,
TEE_Attribute *params,
uint32_t paramCount, void *digest,
uint32_t digestLen, void *signature,
uint32_t *signatureLen)
{
TEE_Result res;
struct utee_attribute ua[paramCount];
uint64_t sl;
if (operation == TEE_HANDLE_NULL ||
(digest == NULL && digestLen != 0) ||
signature == NULL || signatureLen == NULL)
TEE_Panic(0);
if (params == NULL && paramCount != 0)
TEE_Panic(0);
if (!operation->key1)
TEE_Panic(0);
if (operation->info.operationClass !=
TEE_OPERATION_ASYMMETRIC_SIGNATURE)
TEE_Panic(0);
if (operation->info.mode != TEE_MODE_SIGN)
TEE_Panic(0);
__utee_from_attr(ua, params, paramCount);
sl = *signatureLen;
res = utee_asymm_operate(operation->state, ua, paramCount, digest,
digestLen, signature, &sl);
*signatureLen = sl;
if (res != TEE_SUCCESS && res != TEE_ERROR_SHORT_BUFFER)
TEE_Panic(res);
return res;
}
TEE_Result TEE_AsymmetricEncrypt(TEE_OperationHandle op,
const TEE_Attribute *params,
uint32_t paramCount, const void *srcData,
size_t srcLen, void *destData,
size_t *destLen)
{
TEE_Result res;
if (op == TEE_HANDLE_NULL || (srcData == NULL && srcLen != 0) ||
destLen == NULL || (destData == NULL && *destLen != 0))
TEE_Panic(0);
if (paramCount != 0 && params == NULL)
TEE_Panic(0);
if (op->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER)
TEE_Panic(0);
if (op->info.mode != TEE_MODE_ENCRYPT)
TEE_Panic(0);
res = utee_asymm_operate(op->state, params, paramCount, srcData, srcLen,
destData, destLen);
if (res != TEE_SUCCESS &&
res != TEE_ERROR_SHORT_BUFFER &&
res != TEE_ERROR_BAD_PARAMETERS)
TEE_Panic(res);
return res;
}
TEE_Result TEE_AsymmetricDecrypt(TEE_OperationHandle operation,
TEE_Attribute *params,
uint32_t paramCount, void *srcData,
uint32_t srcLen, void *destData,
uint32_t *destLen)
{
TEE_Result res;
struct utee_attribute ua[paramCount];
uint64_t dl;
if (operation == TEE_HANDLE_NULL || (srcData == NULL && srcLen != 0) ||
destLen == NULL || (destData == NULL && *destLen != 0))
TEE_Panic(0);
if (params == NULL && paramCount != 0)
TEE_Panic(0);
if (!operation->key1)
TEE_Panic(0);
if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER)
TEE_Panic(0);
if (operation->info.mode != TEE_MODE_DECRYPT)
TEE_Panic(0);
__utee_from_attr(ua, params, paramCount);
dl = *destLen;
res = utee_asymm_operate(operation->state, ua, paramCount, srcData,
srcLen, destData, &dl);
*destLen = dl;
if (res != TEE_SUCCESS &&
res != TEE_ERROR_SHORT_BUFFER &&
res != TEE_ERROR_BAD_PARAMETERS)
TEE_Panic(res);
return res;
}
TEE_Result TEE_AsymmetricSignDigest(TEE_OperationHandle op,
const TEE_Attribute *params,
uint32_t paramCount, const void *digest,
size_t digestLen, void *signature,
size_t *signatureLen)
{
TEE_Result res;
if (op == TEE_HANDLE_NULL || (digest == NULL && digestLen != 0) ||
signature == NULL || signatureLen == NULL)
TEE_Panic(0);
if (paramCount != 0 && params == NULL)
TEE_Panic(0);
if (op->info.operationClass != TEE_OPERATION_ASYMMETRIC_SIGNATURE)
TEE_Panic(0);
if (op->info.mode != TEE_MODE_SIGN)
TEE_Panic(0);
res =
utee_asymm_operate(op->state, params, paramCount, digest, digestLen,
signature, signatureLen);
if (res != TEE_SUCCESS && res != TEE_ERROR_SHORT_BUFFER)
TEE_Panic(res);
return res;
}
