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/* $OpenBSD: modes_local.h,v 1.6 2025/05/18 09:05:59 jsing Exp $ */
/* ====================================================================
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
*
* Redistribution and use is governed by OpenSSL license.
* ====================================================================
*/
#include <endian.h>
#include <openssl/opensslconf.h>
#include <openssl/modes.h>
__BEGIN_HIDDEN_DECLS
#if defined(_LP64)
#define U64(C) C##UL
#else
#define U64(C) C##ULL
#endif
/* GCM definitions */
typedef struct {
uint64_t hi, lo;
} u128;
struct gcm128_context {
/* Following 6 names follow names in GCM specification */
union {
uint64_t u[2];
uint32_t d[4];
uint8_t c[16];
size_t t[16/sizeof(size_t)];
} Yi, EKi, EK0, len, Xi, H;
/* Relative position of Xi, H and pre-computed Htable is used
* in some assembler modules, i.e. don't change the order! */
u128 Htable[16];
void (*gmult)(uint64_t Xi[2], const u128 Htable[16]);
void (*ghash)(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp,
size_t len);
unsigned int mres, ares;
block128_f block;
void *key;
};
struct xts128_context {
void *key1, *key2;
block128_f block1, block2;
};
struct ccm128_context {
union {
uint64_t u[2];
uint8_t c[16];
} nonce, cmac;
uint64_t blocks;
block128_f block;
void *key;
};
__END_HIDDEN_DECLS
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