lc_kmac256_drng.h File Reference

#include "lc_kmac.h"
#include "lc_rng.h"

Include dependency graph for lc_kmac256_drng.h:

Go to the source code of this file.

Macros
#define	LC_KMAC256_DRNG_CTX_ON_STACK(name)
	Allocate stack memory for the KMAC256 DRNG context.

Functions
int	lc_kmac256_drng_alloc (struct lc_rng_ctx **state)
	Allocation of a KMAC DRNG context.

Macro Definition Documentation

LC_KMAC256_DRNG_CTX_ON_STACK

#define LC_KMAC256_DRNG_CTX_ON_STACK

(

name

)

Value:

        _Pragma("GCC diagnostic push") _Pragma(                                \
                "GCC diagnostic ignored \"-Wdeclaration-after-statement\"")    \
                LC_ALIGNED_BUFFER(name##_ctx_buf, LC_KMAC256_DRNG_CTX_SIZE,    \
                                  LC_HASH_COMMON_ALIGNMENT);                   \
        struct lc_rng_ctx *name = (struct lc_rng_ctx *)name##_ctx_buf;         \
        LC_KMAC256_RNG_CTX(name);                                              \
        _Pragma("GCC diagnostic pop")

Allocate stack memory for the KMAC256 DRNG context.

Parameters

[in]

name

Name of the stack variable

Warning

You MUST seed the DRNG!

Definition at line 58 of file lc_kmac256_drng.h.

Function Documentation

lc_kmac256_drng_alloc()

int lc_kmac256_drng_alloc

(

struct lc_rng_ctx **

state

)

Allocation of a KMAC DRNG context.

Parameters

[out]

state

KMAC DRNG context allocated by the function

The cipher handle including its memory is allocated with this function.

The memory is pinned so that the DRNG state cannot be swapped out to disk.

Warning

You MUST seed the DRNG!

Returns

0 upon success; < 0 on error