+/*
+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_IF_H
#define _CRYPTO_IF_H
struct crypto_interface {
- char *name;
- unsigned long (*encrypt)(void *key, int keylen, void *iv,
- void *pt, void *ct, int tlen);
- unsigned long (*decrypt)(void *key, int keylen, void *iv,
- 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, void *tag, int *taglen);
- const char *(*errstr)(unsigned long err);
+ const char *(*init)(void);
+ unsigned long (*encrypt)(const void *key, const size_t keylen, void *iv,
+ const void *pt, void *ct, const size_t tlen);
+ unsigned long (*decrypt)(const void *key, const size_t keylen, void *iv,
+ const void *ct, void *pt, const size_t tlen);
+ unsigned long (*hash)(const void *pt, const size_t tlen,
+ void *tag, size_t *taglen);
+ unsigned long (*hmac)(const void *key, const size_t keylen,
+ const void *pt, const size_t tlen,
+ void *tag, size_t *taglen);
+ const char *(*errstr)(const unsigned long err);
};
#endif