lc_sym.h File Reference

#include "ext_headers.h"
#include "lc_memset_secure.h"
#include "lc_memory_support.h"

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Macros
#define	LC_SYM_CTX_ON_STACK(name, symname)
	Allocate stack memory for the sym context.

Functions
static void	lc_sym_init (struct lc_sym_ctx *ctx)
	Initialize symmetric context.
static int	lc_sym_setkey (struct lc_sym_ctx *ctx, const uint8_t *key, size_t keylen)
	Set key.
static int	lc_sym_setiv (struct lc_sym_ctx *ctx, const uint8_t *iv, size_t ivlen)
	Set IV.
static void	lc_sym_encrypt (struct lc_sym_ctx *ctx, const uint8_t *in, uint8_t *out, size_t len)
	Symmetric encryption.
static void	lc_sym_decrypt (struct lc_sym_ctx *ctx, const uint8_t *in, uint8_t *out, size_t len)
	Symmetric decryption.
static void	lc_sym_zero (struct lc_sym_ctx *ctx)
	Zeroize symmetric context allocated with either LC_SYM_CTX_ON_STACK or lc_sym_alloc.
int	lc_sym_alloc (const struct lc_sym *sym, struct lc_sym_ctx **ctx)
	Allocate symmetric algorithm context on heap.
void	lc_sym_zero_free (struct lc_sym_ctx *ctx)
	Symmetric algorithm deallocation and properly zeroization function to frees all buffers and the cipher handle.