67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
|
/*
|
||
|
|
* Copyright 2007 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions are met:
|
||
|
|
* * Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* * Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* * Neither the name of Google Inc. nor the names of its contributors may
|
||
|
|
* be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
|
||
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
||
|
|
* EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SYSTEM_CORE_INCLUDE_MINCRYPT_HASH_INTERNAL_H_
|
||
|
|
#define SYSTEM_CORE_INCLUDE_MINCRYPT_HASH_INTERNAL_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif // __cplusplus
|
||
|
|
|
||
|
|
struct HASH_CTX; // forward decl
|
||
|
|
|
||
|
|
typedef struct HASH_VTAB {
|
||
|
|
void (* const init)(struct HASH_CTX*);
|
||
|
|
void (* const update)(struct HASH_CTX*, const void*, uint32_t);
|
||
|
|
const uint8_t* (* const final)(struct HASH_CTX*);
|
||
|
|
const uint8_t* (* const hash)(const void*, uint32_t, uint8_t*);
|
||
|
|
int size;
|
||
|
|
} HASH_VTAB;
|
||
|
|
|
||
|
|
typedef struct HASH_CTX {
|
||
|
|
const HASH_VTAB * f;
|
||
|
|
uint64_t count;
|
||
|
|
union {
|
||
|
|
uint8_t buf[64];
|
||
|
|
uint32_t buf32[64 / 4];
|
||
|
|
};
|
||
|
|
uint32_t state[8]; // upto SHA2
|
||
|
|
} HASH_CTX;
|
||
|
|
|
||
|
|
#define HASH_init(ctx) (ctx)->f->init(ctx)
|
||
|
|
#define HASH_update(ctx, data, len) (ctx)->f->update(ctx, data, len)
|
||
|
|
#define HASH_final(ctx) (ctx)->f->final(ctx)
|
||
|
|
#define HASH_hash(data, len, digest) (ctx)->f->hash(data, len, digest)
|
||
|
|
#define HASH_size(ctx) (ctx)->f->size
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif // __cplusplus
|
||
|
|
|
||
|
|
#endif // SYSTEM_CORE_INCLUDE_MINCRYPT_HASH_INTERNAL_H_
|