lc_chacha20_poly1305.h File Reference

#include "lc_aead.h"
#include "lc_chacha20.h"
#include "lc_memset_secure.h"
#include "lc_poly1305.h"

Include dependency graph for lc_chacha20_poly1305.h:

Go to the source code of this file.

Macros
#define	LC_CHACHA20_POLY1305_CTX_ON_STACK(name)
	Allocate stack memory for the ChaCha20 Poly1305 cryptor context.

Functions
int	lc_chacha20_poly1305_alloc (struct lc_aead_ctx **ctx)
	Allocate ChaCha20 Poly1305 cryptor context on heap.

Macro Definition Documentation

LC_CHACHA20_POLY1305_CTX_ON_STACK

#define LC_CHACHA20_POLY1305_CTX_ON_STACK

(

name

)

Value:

        _Pragma("GCC diagnostic push")                                              \
                _Pragma("GCC diagnostic ignored \"-Wvla\"") _Pragma(                \
                        "GCC diagnostic ignored \"-Wdeclaration-after-statement\"") \
                        LC_ALIGNED_BUFFER(name##_ctx_buf,                           \
                                          LC_CHACHA20_POLY1305_CTX_SIZE,            \
                                          LC_MEM_COMMON_ALIGNMENT);                 \
        struct lc_aead_ctx *name = (struct lc_aead_ctx *)name##_ctx_buf;            \
        LC_CHACHA20_POLY1305_SET_CTX(name);                                         \
        lc_aead_zero(name);                                                         \
        _Pragma("GCC diagnostic pop")

Allocate stack memory for the ChaCha20 Poly1305 cryptor context.

Parameters

[in]

name

Name of the stack variable

Definition at line 75 of file lc_chacha20_poly1305.h.

Function Documentation

lc_chacha20_poly1305_alloc()

int lc_chacha20_poly1305_alloc

(

struct lc_aead_ctx **

ctx

)

Allocate ChaCha20 Poly1305 cryptor context on heap.

Parameters

[out]

ctx

Allocated ChaCha20 Poly1305 cryptor context

Returns

0 on success, < 0 on error