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Fix for generate_key_by_trng

pull/6642/head
Yossi Levy 2018-05-16 12:17:20 +03:00
parent 13589fdc0e
commit bf9b2cb6c7
2 changed files with 5 additions and 6 deletions
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9
features/device_key/source/DeviceKey.cpp
View File

@ -229,7 +229,7 @@ finish:
return DEVICEKEY_SUCCESS;
}
int DeviceKey::generate_key_by_trng(uint32_t *output, size_t& size)
int DeviceKey::generate_key_by_trng(uint32_t *output, size_t size)
{
#if defined(DEVICE_TRNG)
size_t in_size;
@ -249,14 +249,13 @@ int DeviceKey::generate_key_by_trng(uint32_t *output, size_t& size)
trng_init(&trng_obj);
final_size = 0;
//final_size = 0;
in_size = size;
while (final_size < size) {
while (in_size > 0) {
ongoing_size = 0;
ret = trng_get_bytes(&trng_obj, (unsigned char *)pBuffer, in_size, &ongoing_size);
final_size += ongoing_size;
if (0 != ret) {
if (0 != ret || ongoing_size > in_size) {
ret = DEVICEKEY_TRNG_ERROR;
goto finish;
}

2
features/device_key/source/DeviceKey.h
View File

@ -131,7 +131,7 @@ private:
* output: the actual written size to the buffer
* @return 0 on success, negative error code on failure
*/
int generate_key_by_trng(uint32_t *output, size_t& size);
int generate_key_by_trng(uint32_t *output, size_t size);
};
/** @}*/