X-Git-Url: http://www.average.org/gitweb/?p=pam_pcsc_cr.git;a=blobdiff_plain;f=crypto.h;h=8d5e7be2393108e054227fda983f9ca70ce0ea94;hp=f0f709d9a3e6e42af45eb38e5850bacfce924dad;hb=2b714d273b08b945ef677e0fbbf2c8d3d4437980;hpb=8c8a47cd542e60381773fe23f2075aa5b896be4f diff --git a/crypto.h b/crypto.h index f0f709d..8d5e7be 100644 --- a/crypto.h +++ b/crypto.h @@ -1,13 +1,39 @@ +/* +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. +*/ + #ifndef _CRYPTO_H #define _CRYPTO_H -int select_crypto_if(int ifno); -const char *if_name(int ifno); -unsigned long encrypt(void *key, int keylen, void *pt, void *ct, int tlen); -unsigned long decrypt(void *key, int keylen, void *ct, void *pt, int tlen); -unsigned long hash(void *pt, int tlen, void *tag, int *taglen); -unsigned long hmac(void *key, int keylen, void *pt, int tlen, +int select_crypto_if(const int ifno); +const char *crypto_init(const int ifno); +unsigned long encrypt(const void *key, const int keylen, const void *pt, void *ct, const int tlen); +unsigned long decrypt(const void *key, const int keylen, const void *ct, void *pt, const int tlen); +unsigned long hash(const void *pt, const int tlen, void *tag, int *taglen); +unsigned long hmac(const void *key, const int keylen, const void *pt, const int tlen, void *tag, int *taglen); -const char *crypto_errstr(unsigned long err); +const char *crypto_errstr(const unsigned long err); + +#define HASHSIZE 20 +#define CBLKSIZE 16 #endif