X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdigest.c;h=15a111a9346471e163ca319c72b583c062cf212e;hb=28be4baae016a5a771d0d9ec6e97ef38a4fc9e46;hp=50b0f238c4352d7c0eba77182b6ae5acece92b28;hpb=f42e57f663a2663c830c4fb4c01927c2d3c89c09;p=tinc diff --git a/src/digest.c b/src/digest.c index 50b0f238..15a111a9 100644 --- a/src/digest.c +++ b/src/digest.c @@ -1,6 +1,6 @@ /* - digest.c -- Digest handling - Copyright (C) 2007 Guus Sliepen + digest.c -- stub digest handling functions + Copyright (C) 2007-2022 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -12,129 +12,27 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id$ + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "system.h" #include "digest.h" -#include "logger.h" - -static struct { - const char *name; - int algo; - int nid; -} digesttable[] = { - {"none", GCRY_MD_NONE, 0}, - {"sha1", GCRY_MD_SHA1, 64}, - {"sha256", GCRY_MD_SHA256, 672}, - {"sha384", GCRY_MD_SHA384, 673}, - {"sha512", GCRY_MD_SHA512, 674}, -}; - -static bool nametodigest(const char *name, int *algo) { - int i; - - for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) { - if(digesttable[i].name && !strcasecmp(name, digesttable[i].name)) { - *algo = digesttable[i].algo; - return true; - } - } - - return false; -} - -static bool nidtodigest(int nid, int *algo) { - int i; - - for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) { - if(nid == digesttable[i].nid) { - *algo = digesttable[i].algo; - return true; - } - } - - return false; -} - -static bool digesttonid(int algo, int *nid) { - int i; - - for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) { - if(algo == digesttable[i].algo) { - *nid = digesttable[i].nid; - return true; - } - } - - return false; -} - -static bool digest_open(digest_t *digest, int algo) { - if(!digesttonid(algo, &digest->nid)) { - logger(LOG_DEBUG, _("Digest %d has no corresponding nid!"), algo); - return false; - } - - digest->len = gcry_md_get_algo_dlen(algo); +#include "xalloc.h" - return true; -} - -bool digest_open_by_name(digest_t *digest, const char *name) { - int algo; +#ifndef DISABLE_LEGACY - if(!nametodigest(name, &algo)) { - logger(LOG_DEBUG, _("Unknown digest name '%s'!"), name); - return false; - } - - return digest_open(digest, algo); +digest_t *digest_alloc(void) { + return xzalloc(sizeof(digest_t)); } -bool digest_open_by_nid(digest_t *digest, int nid) { - int algo; - - if(!nidtodigest(nid, &algo)) { - logger(LOG_DEBUG, _("Unknown digest ID %d!"), nid); - return false; +void digest_free(digest_t *digest) { + if(digest) { + digest_close(digest); + free(digest); } - - return digest_open(digest, algo); -} - -bool digest_open_sha1(digest_t *digest) { - return digest_open(digest, GCRY_MD_SHA1); -} - -void digest_close(digest_t *digest) { } -bool digest_create(digest_t *digest, void *indata, size_t inlen, void *outdata) { - gcry_md_hash_buffer(digest->algo, outdata, indata, inlen); - return true; -} - -bool digest_verify(digest_t *digest, void *indata, size_t inlen, void *cmpdata) { - char outdata[digest->len]; - - gcry_md_hash_buffer(digest->algo, outdata, indata, inlen); - return !memcmp(indata, outdata, digest->len); -} - -int digest_get_nid(const digest_t *digest) { - return digest->nid; -} - -size_t digest_length(const digest_t *digest) { - return digest->len; -} - -bool digest_active(const digest_t *digest) { - return digest->algo != GCRY_MD_NONE; -} +#endif // DISABLE_LEGACY