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/* BLURB lgpl
Coda File System
Release 6
Copyright (c) 2006 Carnegie Mellon University
Additional copyrights listed below
This code is distributed "AS IS" without warranty of any kind under
the terms of the GNU Library General Public Licence Version 2, as
shown in the file LICENSE. The technical and financial contributors to
Coda are listed in the file CREDITS.
Additional copyrights
#*/
/* helpers and private functions */
#ifndef _GRUNT_H_
#define _GRUNT_H_
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdint.h>
#include "aes.h"
#define bytes(bits) ((bits)/8)
#define int32(x) ((uint32_t *)(x))
#define xor128(out, in) do { \
int32(out)[0] ^= int32(in)[0]; \
int32(out)[1] ^= int32(in)[1]; \
int32(out)[2] ^= int32(in)[2]; \
int32(out)[3] ^= int32(in)[3]; \
} while(0)
#define dump128(prefix, b) \
fprintf(stderr, "%c %08x%08x%08x%08x\n", prefix, \
htonl(int32(b)[0]), htonl(int32(b)[1]), \
htonl(int32(b)[2]), htonl(int32(b)[3]))
/* private functions */
/* secure_aes.c */
void secure_aes_init(int verbose);
int aes_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
const uint8_t *iv, aes_encrypt_ctx *ctx);
int aes_cbc_decrypt(const uint8_t *in, uint8_t *out, size_t len,
const uint8_t *iv, aes_decrypt_ctx *ctx);
int aes_xcbc_prf_init(void **ctx, const uint8_t *key, size_t len);
#define aes_xcbc_prf_release aes_xcbc_mac_release
#define aes_xcbc_prf_128 aes_xcbc_mac_128
/* auth_aes_xcbc.c */
int aes_xcbc_mac_init(void **ctx, const uint8_t *key, size_t len);
void aes_xcbc_mac_release(void **ctx);
void aes_xcbc_mac_128(void *ctx, const uint8_t *buf, size_t len, uint8_t *mac);
/* secure_random.c */
void secure_random_init(int verbose);
void secure_random_release(void);
/* secure_init.c */
void secure_audit(const char *event, uint32_t spi, uint32_t seq,
const struct sockaddr *src);
/* Sadly we need this because we couldn't pass the version number to the
* initializers without breaking the ABI */
void aes_ccm_tweak(void *ctx, uint32_t version);
#endif /* _GRUNT_H_ */
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