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- code documentation cleaned

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This commit is contained in:
Jan Hutter
2005-11-25 08:55:25 +00:00
parent f024eaf5d4
commit 32f78c2e54
5 changed files with 56 additions and 61 deletions
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Source/charon/utils/randomizer.c
+19 -30
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@@ -1,7 +1,7 @@
/**
* @file randomizer.c
*
* @brief Class used to get random and pseudo random values
* @brief Implementation of randomizer_t.
*
*/
@@ -30,53 +30,46 @@
#include <utils/allocator.h>
/**
* Default random device used when no device is given.
*/
#define DEFAULT_RANDOM_DEVICE "/dev/random"
/**
* Pseudo random device used when no device is given.
*/
#define DEFAULT_PSEUDO_RANDOM_DEVICE "/dev/urandom"
typedef struct private_randomizer_t private_randomizer_t;
/**
* Private data of an randomizer_t object
*/
struct private_randomizer_t {
/**
* public interface
* Public interface.
*/
randomizer_t public;
/**
* @brief Reads a specific number of bytes from random or pseudo random device
* @brief Reads a specific number of bytes from random or pseudo random device.
*
* @param this calling object
* @param pseudo_random TRUE, if pseudo random bytes should be read,
* FALSE for true random bytes
* @param bytes Number of bytes to read
* @param[out] buffer Pointer to buffer where to write the data in.
* @param bytes number of bytes to read
* @param[out] buffer pointer to buffer where to write the data in.
* Size of buffer has to be at least bytes.
* @return
* - SUCCESS
* - FAILED
* - FAILED if random device could not be opened
*/
status_t (*get_bytes_from_device) (private_randomizer_t *this,bool pseudo_random, size_t bytes, u_int8_t *buffer);
/**
* Random device name
* Random device name.
*/
char *random_dev_name;
/**
* Pseudo random device name
* Pseudo random device name.
*/
char *pseudo_random_dev_name;
};
/**
* Implements private_randomizer_t's get_bytes_from_device function.
* See #private_randomizer_t.get_bytes_from_device for description.
* Implementation of private_randomizer_t.get_bytes_from_device.
*/
static status_t get_bytes_from_device(private_randomizer_t *this,bool pseudo_random, size_t bytes, u_int8_t *buffer)
{
@@ -114,16 +107,15 @@ static status_t get_bytes_from_device(private_randomizer_t *this,bool pseudo_ran
}
/**
* Implements randomizer_t's get_random_bytes function.
* See #randomizer_t.get_random_bytes for description.
* Implementation of randomizer_t.get_random_bytes.
*/
static status_t get_random_bytes(private_randomizer_t *this,size_t bytes, u_int8_t *buffer)
{
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.
* Implementation of randomizer_t.allocate_random_bytes.
*/
static status_t allocate_random_bytes(private_randomizer_t *this, size_t bytes, chunk_t *chunk)
{
@@ -137,8 +129,7 @@ static status_t allocate_random_bytes(private_randomizer_t *this, size_t bytes,
}
/**
* Implements randomizer_t's get_pseudo_random_bytes function.
* See #randomizer_t.get_pseudo_random_bytes for description.
* Implementation of randomizer_t.get_pseudo_random_bytes.
*/
static status_t get_pseudo_random_bytes(private_randomizer_t *this,size_t bytes, u_int8_t *buffer)
{
@@ -147,8 +138,7 @@ static status_t get_pseudo_random_bytes(private_randomizer_t *this,size_t bytes,
/**
* Implements randomizer_t's allocate_random_bytes function.
* See #randomizer_t.allocate_random_bytes for description.
* Implementation of randomizer_t.allocate_pseudo_random_bytes.
*/
static status_t allocate_pseudo_random_bytes(private_randomizer_t *this, size_t bytes, chunk_t *chunk)
{
@@ -163,8 +153,7 @@ static status_t allocate_pseudo_random_bytes(private_randomizer_t *this, size_t
/**
* Implements randomizer_t's destroy function.
* See #randomizer_t.destroy for description.
* Implementation of randomizer_t.destroy.
*/
static status_t destroy(private_randomizer_t *this)
{