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asm
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build.info
(1.21 KB)
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cbc128.c
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ccm128.c
(11.67 KB)
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cfb128.c
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ctr128.c
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cts128.c
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gcm128.c
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modes_local.h
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ocb128.c
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ofb128.c
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wrap128.c
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xts128.c
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Editing: modes_local.h
/* * Copyright 2010-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (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 #ifndef STRICT_ALIGNMENT # ifdef __GNUC__ typedef u32 u32_a1 __attribute((__aligned__(1))); # else typedef u32 u32_a1; # 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__) # if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__ # 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_; }) # endif # 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_a1 *)(p)) # define PUTU32(p,v) *(u32_a1 *)(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 }; 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 */
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