X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fgcrypt%2Fdigest.c;h=fce48ee26944e89c154780de0dbd4e1b10b0a80e;hb=87f96aec8c48327d879c20ff2b789c88a675173d;hp=a845afa16ec8ca46d96abeef503cfa0e8b9d5e2c;hpb=6dfdb323612184529b4b83c1be914dda8262de47;p=tinc diff --git a/src/gcrypt/digest.c b/src/gcrypt/digest.c index a845afa1..fce48ee2 100644 --- a/src/gcrypt/digest.c +++ b/src/gcrypt/digest.c @@ -1,6 +1,6 @@ /* digest.c -- Digest handling - Copyright (C) 2007 Guus Sliepen + Copyright (C) 2007-2012 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 @@ -37,7 +37,7 @@ static struct { static bool nametodigest(const char *name, int *algo) { int i; - for(i = 0; i < sizeof digesttable / sizeof *digesttable; 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; @@ -50,7 +50,7 @@ static bool nametodigest(const char *name, int *algo) { static bool nidtodigest(int nid, int *algo) { int i; - for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) { + for(i = 0; i < sizeof(digesttable) / sizeof(*digesttable); i++) { if(nid == digesttable[i].nid) { *algo = digesttable[i].algo; return true; @@ -63,7 +63,7 @@ static bool nidtodigest(int nid, int *algo) { static bool digesttonid(int algo, int *nid) { int i; - for(i = 0; i < sizeof digesttable / sizeof *digesttable; i++) { + for(i = 0; i < sizeof(digesttable) / sizeof(*digesttable); i++) { if(algo == digesttable[i].algo) { *nid = digesttable[i].nid; return true; @@ -81,11 +81,12 @@ static bool digest_open(digest_t *digest, int algo, int maclength) { unsigned int len = gcry_md_get_algo_dlen(algo); - if(maclength > len || maclength < 0) + if(maclength > len || maclength < 0) { digest->maclength = len; - else + } else { digest->maclength = maclength; - + } + digest->algo = algo; digest->hmac = NULL; @@ -119,16 +120,21 @@ bool digest_open_sha1(digest_t *digest, int maclength) { } void digest_close(digest_t *digest) { - if(digest->hmac) + if(digest->hmac) { gcry_md_close(digest->hmac); + } + digest->hmac = NULL; } bool digest_set_key(digest_t *digest, const void *key, size_t len) { - if(!digest->hmac) + if(!digest->hmac) { gcry_md_open(&digest->hmac, digest->algo, GCRY_MD_FLAG_HMAC); - if(!digest->hmac) + } + + if(!digest->hmac) { return false; + } return !gcry_md_setkey(digest->hmac, key, len); } @@ -141,8 +147,11 @@ bool digest_create(digest_t *digest, const void *indata, size_t inlen, void *out gcry_md_reset(digest->hmac); gcry_md_write(digest->hmac, indata, inlen); tmpdata = gcry_md_read(digest->hmac, digest->algo); - if(!tmpdata) + + if(!tmpdata) { return false; + } + memcpy(outdata, tmpdata, digest->maclength); } else { char tmpdata[len];