+++ /dev/null
-/*
- * Copyright 2010-2018 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-#include <openssl/modes.h>
-
-#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
-typedef __int64 i64;
-typedef unsigned __int64 u64;
-# define U64(C) C##UI64
-#elif defined(__arch64__)
-typedef long i64;
-typedef unsigned long u64;
-# define U64(C) C##UL
-#else
-typedef long long i64;
-typedef unsigned long long u64;
-# define U64(C) C##ULL
-#endif
-
-typedef unsigned int u32;
-typedef unsigned char u8;
-
-#define STRICT_ALIGNMENT 1
-#ifndef PEDANTIC
-# if defined(__i386) || defined(__i386__) || \
- defined(__x86_64) || defined(__x86_64__) || \
- defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || \
- defined(__aarch64__) || \
- defined(__s390__) || defined(__s390x__)
-# undef STRICT_ALIGNMENT
-# endif
-#endif
-
-#if !defined(PEDANTIC) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
-# if defined(__GNUC__) && __GNUC__>=2
-# if defined(__x86_64) || defined(__x86_64__)
-# define BSWAP8(x) ({ u64 ret_=(x); \
- asm ("bswapq %0" \
- : "+r"(ret_)); ret_; })
-# define BSWAP4(x) ({ u32 ret_=(x); \
- asm ("bswapl %0" \
- : "+r"(ret_)); ret_; })
-# elif (defined(__i386) || defined(__i386__)) && !defined(I386_ONLY)
-# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \
- asm ("bswapl %0; bswapl %1" \
- : "+r"(hi_),"+r"(lo_)); \
- (u64)hi_<<32|lo_; })
-# define BSWAP4(x) ({ u32 ret_=(x); \
- asm ("bswapl %0" \
- : "+r"(ret_)); ret_; })
-# elif defined(__aarch64__)
-# define BSWAP8(x) ({ u64 ret_; \
- asm ("rev %0,%1" \
- : "=r"(ret_) : "r"(x)); ret_; })
-# define BSWAP4(x) ({ u32 ret_; \
- asm ("rev %w0,%w1" \
- : "=r"(ret_) : "r"(x)); ret_; })
-# elif (defined(__arm__) || defined(__arm)) && !defined(STRICT_ALIGNMENT)
-# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \
- asm ("rev %0,%0; rev %1,%1" \
- : "+r"(hi_),"+r"(lo_)); \
- (u64)hi_<<32|lo_; })
-# define BSWAP4(x) ({ u32 ret_; \
- asm ("rev %0,%1" \
- : "=r"(ret_) : "r"((u32)(x))); \
- ret_; })
-# endif
-# elif defined(_MSC_VER)
-# if _MSC_VER>=1300
-# include <stdlib.h>
-# pragma intrinsic(_byteswap_uint64,_byteswap_ulong)
-# define BSWAP8(x) _byteswap_uint64((u64)(x))
-# define BSWAP4(x) _byteswap_ulong((u32)(x))
-# elif defined(_M_IX86)
-__inline u32 _bswap4(u32 val)
-{
-_asm mov eax, val _asm bswap eax}
-# define BSWAP4(x) _bswap4(x)
-# endif
-# endif
-#endif
-#if defined(BSWAP4) && !defined(STRICT_ALIGNMENT)
-# define GETU32(p) BSWAP4(*(const u32 *)(p))
-# define PUTU32(p,v) *(u32 *)(p) = BSWAP4(v)
-#else
-# define GETU32(p) ((u32)(p)[0]<<24|(u32)(p)[1]<<16|(u32)(p)[2]<<8|(u32)(p)[3])
-# define PUTU32(p,v) ((p)[0]=(u8)((v)>>24),(p)[1]=(u8)((v)>>16),(p)[2]=(u8)((v)>>8),(p)[3]=(u8)(v))
-#endif
-/*- GCM definitions */ typedef struct {
- u64 hi, lo;
-} u128;
-
-#ifdef TABLE_BITS
-# undef TABLE_BITS
-#endif
-/*
- * Even though permitted values for TABLE_BITS are 8, 4 and 1, it should
- * never be set to 8 [or 1]. For further information see gcm128.c.
- */
-#define TABLE_BITS 4
-
-struct gcm128_context {
- /* Following 6 names follow names in GCM specification */
- union {
- u64 u[2];
- u32 d[4];
- u8 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!
- */
-#if TABLE_BITS==8
- u128 Htable[256];
-#else
- u128 Htable[16];
- void (*gmult) (u64 Xi[2], const u128 Htable[16]);
- void (*ghash) (u64 Xi[2], const u128 Htable[16], const u8 *inp,
- size_t len);
-#endif
- unsigned int mres, ares;
- block128_f block;
- void *key;
-#if !defined(OPENSSL_SMALL_FOOTPRINT)
- unsigned char Xn[48];
-#endif
-};
-
-/*
- * The maximum permitted number of cipher blocks per data unit in XTS mode.
- * Reference IEEE Std 1619-2018.
- */
-#define XTS_MAX_BLOCKS_PER_DATA_UNIT (1<<20)
-
-struct xts128_context {
- void *key1, *key2;
- block128_f block1, block2;
-};
-
-struct ccm128_context {
- union {
- u64 u[2];
- u8 c[16];
- } nonce, cmac;
- u64 blocks;
- block128_f block;
- void *key;
-};
-
-#ifndef OPENSSL_NO_OCB
-
-typedef union {
- u64 a[2];
- unsigned char c[16];
-} OCB_BLOCK;
-# define ocb_block16_xor(in1,in2,out) \
- ( (out)->a[0]=(in1)->a[0]^(in2)->a[0], \
- (out)->a[1]=(in1)->a[1]^(in2)->a[1] )
-# if STRICT_ALIGNMENT
-# define ocb_block16_xor_misaligned(in1,in2,out) \
- ocb_block_xor((in1)->c,(in2)->c,16,(out)->c)
-# else
-# define ocb_block16_xor_misaligned ocb_block16_xor
-# endif
-
-struct ocb128_context {
- /* Need both encrypt and decrypt key schedules for decryption */
- block128_f encrypt;
- block128_f decrypt;
- void *keyenc;
- void *keydec;
- ocb128_f stream; /* direction dependent */
- /* Key dependent variables. Can be reused if key remains the same */
- size_t l_index;
- size_t max_l_index;
- OCB_BLOCK l_star;
- OCB_BLOCK l_dollar;
- OCB_BLOCK *l;
- /* Must be reset for each session */
- struct {
- u64 blocks_hashed;
- u64 blocks_processed;
- OCB_BLOCK offset_aad;
- OCB_BLOCK sum;
- OCB_BLOCK offset;
- OCB_BLOCK checksum;
- } sess;
-};
-#endif /* OPENSSL_NO_OCB */
-
-#ifndef OPENSSL_NO_SIV
-
-#include <openssl/cmac.h>
-
-#define SIV_LEN 16
-
-typedef union siv_block_u {
- uint64_t word[SIV_LEN/sizeof(uint64_t)];
- unsigned char byte[SIV_LEN];
-} SIV_BLOCK;
-
-struct siv128_context {
- /* d stores intermediate results of S2V; it corresponds to D from the
- pseudocode in section 2.4 of RFC 5297. */
- SIV_BLOCK d;
- SIV_BLOCK tag;
- EVP_CIPHER_CTX *cipher_ctx;
- EVP_MAC_CTX *mac_ctx_init;
- int final_ret;
- int crypto_ok;
-};
-
-#endif /* OPENSSL_NO_SIV */
projects / openssl.git / blobdiff