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- added methods which will allocate mem

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This commit is contained in:
Martin Willi
2005-11-16 16:10:47 +00:00
parent a698ba19a4
commit 146e568fe7
2 changed files with 59 additions and 1 deletions
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Source/charon/utils/randomizer.c
+33
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@@ -121,6 +121,20 @@ static status_t get_random_bytes(private_randomizer_t *this,size_t bytes, u_int8
{
return (this->get_bytes_from_device(this, FALSE, bytes, buffer));
}
/**
* Implements randomizer_t's allocate_random_bytes function.
* See #randomizer_t.allocate_random_bytes for description.
*/
static status_t allocate_random_bytes(private_randomizer_t *this, size_t bytes, chunk_t *chunk)
{
chunk->len = bytes;
chunk->ptr = allocator_alloc(bytes);
if (chunk->ptr == NULL)
{
return OUT_OF_RES;
}
return (this->get_bytes_from_device(this, FALSE, bytes, chunk->ptr));
}
/**
* Implements randomizer_t's get_pseudo_random_bytes function.
@@ -131,6 +145,23 @@ static status_t get_pseudo_random_bytes(private_randomizer_t *this,size_t bytes,
return (this->get_bytes_from_device(this, TRUE, bytes, buffer));
}
/**
* Implements randomizer_t's allocate_random_bytes function.
* See #randomizer_t.allocate_random_bytes for description.
*/
static status_t allocate_pseudo_random_bytes(private_randomizer_t *this, size_t bytes, chunk_t *chunk)
{
chunk->len = bytes;
chunk->ptr = allocator_alloc(bytes);
if (chunk->ptr == NULL)
{
return OUT_OF_RES;
}
return (this->get_bytes_from_device(this, TRUE, bytes, chunk->ptr));
}
/**
* Implements randomizer_t's destroy function.
* See #randomizer_t.destroy for description.
@@ -169,7 +200,9 @@ randomizer_t *randomizer_create_on_devices(char * random_dev_name,char * prandom
/* public functions */
this->public.get_random_bytes = (status_t (*) (randomizer_t *,size_t, u_int8_t *)) get_random_bytes;
this->public.allocate_random_bytes = (status_t (*) (randomizer_t *,size_t, chunk_t *)) allocate_random_bytes;
this->public.get_pseudo_random_bytes = (status_t (*) (randomizer_t *,size_t, u_int8_t *)) get_pseudo_random_bytes;
this->public.allocate_pseudo_random_bytes = (status_t (*) (randomizer_t *,size_t, chunk_t *)) allocate_pseudo_random_bytes;
this->public.destroy = (status_t (*) (randomizer_t *))destroy;
/* private functions */