X-Git-Url: http://www.average.org/gitweb/?p=pam_pcsc_cr.git;a=blobdiff_plain;f=crypto.c;h=cb996e870f71cf011bd41b4b159528bb5f35f825;hp=105db4e727cf43220bfe4d341ed138230cc2480a;hb=HEAD;hpb=9cfb078547dfafdb01cfd87c05acffdbc07255ee diff --git a/crypto.c b/crypto.c index 105db4e..afd9ee1 100644 --- a/crypto.c +++ b/crypto.c @@ -1,6 +1,30 @@ +/* +Copyright (c) 2013 Eugene Crosser + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must + not claim that you wrote the original software. If you use this + software in a product, an acknowledgment in the product documentation + would be appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must + not be misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ + #ifdef HAVE_CONFIG_H # include "config.h" #endif +#include #include #include "crypto.h" #include "crypto_if.h" @@ -19,9 +43,9 @@ static struct crypto_interface *ifs[] = { #ifdef HAVE_GCRYPT &gnu_crypto_if, #endif - (void*)0, + (struct crypto_interface *)0, }; -#define MAX_IF (sizeof(ifs)/sizeof(struct crypto_interface *)-2) +#define MAX_IF (int)(sizeof(ifs)/sizeof(struct crypto_interface *)-2) static int which = 0; @@ -40,7 +64,7 @@ const char *crypto_init(const int ifno) #define INITIV {0} -unsigned long encrypt(const void *key, const int keylen, const void *pt, void *ct, const int tlen) +unsigned long encrypt(const void *key, const size_t keylen, const void *pt, void *ct, const size_t tlen) { unsigned char iv[16] = INITIV; @@ -48,7 +72,7 @@ unsigned long encrypt(const void *key, const int keylen, const void *pt, void *c return ifs[which]->encrypt(key, keylen, iv, pt, ct, tlen); } -unsigned long decrypt(const void *key, const int keylen, const void *ct, void *pt, const int tlen) +unsigned long decrypt(const void *key, const size_t keylen, const void *ct, void *pt, const size_t tlen) { unsigned char iv[16] = INITIV; @@ -56,13 +80,13 @@ unsigned long decrypt(const void *key, const int keylen, const void *ct, void *p return ifs[which]->decrypt(key, keylen, iv, ct, pt, tlen); } -unsigned long hash(const void *pt, const int tlen, void *tag, int *taglen) +unsigned long hash(const void *pt, const size_t tlen, void *tag, size_t *taglen) { assert(*taglen == 20); return ifs[which]->hash(pt, tlen, tag, taglen); } -unsigned long hmac(const void *key, const int keylen, const void *pt, const int tlen, void *tag, int *taglen) +unsigned long hmac(const void *key, const size_t keylen, const void *pt, const size_t tlen, void *tag, size_t *taglen) { assert(*taglen == 20); return ifs[which]->hmac(key, keylen, pt, tlen, tag, taglen);