1/*- 2 * Copyright (c) 2005-2010 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/sys/geom/eli/g_eli_crypto.c 259429 2013-12-15 22:52:18Z pjd $"); |
29 30#include <sys/param.h> 31#ifdef _KERNEL 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/malloc.h> 35#include <sys/uio.h> 36#else --- 246 unchanged lines hidden (view full) --- 283 284 SHA512_Final(digest, &ctx->shactx); 285 /* Perform outer SHA512. */ 286 SHA512_Init(&lctx); 287 SHA512_Update(&lctx, ctx->k_opad, sizeof(ctx->k_opad)); 288 bzero(ctx, sizeof(*ctx)); 289 SHA512_Update(&lctx, digest, sizeof(digest)); 290 SHA512_Final(digest, &lctx); |
291 bzero(&lctx, sizeof(lctx)); |
292 /* mdsize == 0 means "Give me the whole hash!" */ 293 if (mdsize == 0) 294 mdsize = SHA512_MDLEN; 295 bcopy(digest, md, mdsize); |
296 bzero(digest, sizeof(digest)); |
297} 298 299void 300g_eli_crypto_hmac(const uint8_t *hkey, size_t hkeysize, const uint8_t *data, 301 size_t datasize, uint8_t *md, size_t mdsize) 302{ 303 struct hmac_ctx ctx; 304 305 g_eli_crypto_hmac_init(&ctx, hkey, hkeysize); 306 g_eli_crypto_hmac_update(&ctx, data, datasize); 307 g_eli_crypto_hmac_final(&ctx, md, mdsize); 308} |