-/* ====================================================================
- * Copyright (c) 2010 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. 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.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+/*
+ * Copyright 2010-2024 The OpenSSL Project Authors. All Rights Reserved.
*
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS 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.
- * ====================================================================
+ * 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/crypto.h>
-#include "modes_lcl.h"
#include <string.h>
+#include <openssl/crypto.h>
+#include "internal/cryptlib.h"
+#include "internal/endian.h"
+#include "crypto/modes.h"
-#ifndef MODES_DEBUG
-# ifndef NDEBUG
-# define NDEBUG
-# endif
+#if defined(__GNUC__) && !defined(STRICT_ALIGNMENT)
+typedef size_t size_t_aX __attribute((__aligned__(1)));
+#else
+typedef size_t size_t_aX;
#endif
-#include <assert.h>
#if defined(BSWAP4) && defined(STRICT_ALIGNMENT)
/* redefine, because alignment is ensured */
# define PUTU32(p,v) *(u32 *)(p) = BSWAP4(v)
#endif
+/* RISC-V uses C implementation as a fallback. */
+#if defined(__riscv)
+# define INCLUDE_C_GMULT_4BIT
+# define INCLUDE_C_GHASH_4BIT
+#endif
+
#define PACK(s) ((size_t)(s)<<(sizeof(size_t)*8-16))
#define REDUCE1BIT(V) do { \
if (sizeof(size_t)==8) { \
} while(0)
/*-
+ *
+ * NOTE: TABLE_BITS and all non-4bit implementations have been removed in 3.1.
+ *
* Even though permitted values for TABLE_BITS are 8, 4 and 1, it should
* never be set to 8. 8 is effectively reserved for testing purposes.
* TABLE_BITS>1 are lookup-table-driven implementations referred to as
*
* Value of 1 is not appropriate for performance reasons.
*/
-#if TABLE_BITS==8
-
-static void gcm_init_8bit(u128 Htable[256], u64 H[2])
-{
- int i, j;
- u128 V;
-
- Htable[0].hi = 0;
- Htable[0].lo = 0;
- V.hi = H[0];
- V.lo = H[1];
-
- for (Htable[128] = V, i = 64; i > 0; i >>= 1) {
- REDUCE1BIT(V);
- Htable[i] = V;
- }
-
- for (i = 2; i < 256; i <<= 1) {
- u128 *Hi = Htable + i, H0 = *Hi;
- for (j = 1; j < i; ++j) {
- Hi[j].hi = H0.hi ^ Htable[j].hi;
- Hi[j].lo = H0.lo ^ Htable[j].lo;
- }
- }
-}
-
-static void gcm_gmult_8bit(u64 Xi[2], const u128 Htable[256])
-{
- u128 Z = { 0, 0 };
- const u8 *xi = (const u8 *)Xi + 15;
- size_t rem, n = *xi;
- const union {
- long one;
- char little;
- } is_endian = { 1 };
- static const size_t rem_8bit[256] = {
- PACK(0x0000), PACK(0x01C2), PACK(0x0384), PACK(0x0246),
- PACK(0x0708), PACK(0x06CA), PACK(0x048C), PACK(0x054E),
- PACK(0x0E10), PACK(0x0FD2), PACK(0x0D94), PACK(0x0C56),
- PACK(0x0918), PACK(0x08DA), PACK(0x0A9C), PACK(0x0B5E),
- PACK(0x1C20), PACK(0x1DE2), PACK(0x1FA4), PACK(0x1E66),
- PACK(0x1B28), PACK(0x1AEA), PACK(0x18AC), PACK(0x196E),
- PACK(0x1230), PACK(0x13F2), PACK(0x11B4), PACK(0x1076),
- PACK(0x1538), PACK(0x14FA), PACK(0x16BC), PACK(0x177E),
- PACK(0x3840), PACK(0x3982), PACK(0x3BC4), PACK(0x3A06),
- PACK(0x3F48), PACK(0x3E8A), PACK(0x3CCC), PACK(0x3D0E),
- PACK(0x3650), PACK(0x3792), PACK(0x35D4), PACK(0x3416),
- PACK(0x3158), PACK(0x309A), PACK(0x32DC), PACK(0x331E),
- PACK(0x2460), PACK(0x25A2), PACK(0x27E4), PACK(0x2626),
- PACK(0x2368), PACK(0x22AA), PACK(0x20EC), PACK(0x212E),
- PACK(0x2A70), PACK(0x2BB2), PACK(0x29F4), PACK(0x2836),
- PACK(0x2D78), PACK(0x2CBA), PACK(0x2EFC), PACK(0x2F3E),
- PACK(0x7080), PACK(0x7142), PACK(0x7304), PACK(0x72C6),
- PACK(0x7788), PACK(0x764A), PACK(0x740C), PACK(0x75CE),
- PACK(0x7E90), PACK(0x7F52), PACK(0x7D14), PACK(0x7CD6),
- PACK(0x7998), PACK(0x785A), PACK(0x7A1C), PACK(0x7BDE),
- PACK(0x6CA0), PACK(0x6D62), PACK(0x6F24), PACK(0x6EE6),
- PACK(0x6BA8), PACK(0x6A6A), PACK(0x682C), PACK(0x69EE),
- PACK(0x62B0), PACK(0x6372), PACK(0x6134), PACK(0x60F6),
- PACK(0x65B8), PACK(0x647A), PACK(0x663C), PACK(0x67FE),
- PACK(0x48C0), PACK(0x4902), PACK(0x4B44), PACK(0x4A86),
- PACK(0x4FC8), PACK(0x4E0A), PACK(0x4C4C), PACK(0x4D8E),
- PACK(0x46D0), PACK(0x4712), PACK(0x4554), PACK(0x4496),
- PACK(0x41D8), PACK(0x401A), PACK(0x425C), PACK(0x439E),
- PACK(0x54E0), PACK(0x5522), PACK(0x5764), PACK(0x56A6),
- PACK(0x53E8), PACK(0x522A), PACK(0x506C), PACK(0x51AE),
- PACK(0x5AF0), PACK(0x5B32), PACK(0x5974), PACK(0x58B6),
- PACK(0x5DF8), PACK(0x5C3A), PACK(0x5E7C), PACK(0x5FBE),
- PACK(0xE100), PACK(0xE0C2), PACK(0xE284), PACK(0xE346),
- PACK(0xE608), PACK(0xE7CA), PACK(0xE58C), PACK(0xE44E),
- PACK(0xEF10), PACK(0xEED2), PACK(0xEC94), PACK(0xED56),
- PACK(0xE818), PACK(0xE9DA), PACK(0xEB9C), PACK(0xEA5E),
- PACK(0xFD20), PACK(0xFCE2), PACK(0xFEA4), PACK(0xFF66),
- PACK(0xFA28), PACK(0xFBEA), PACK(0xF9AC), PACK(0xF86E),
- PACK(0xF330), PACK(0xF2F2), PACK(0xF0B4), PACK(0xF176),
- PACK(0xF438), PACK(0xF5FA), PACK(0xF7BC), PACK(0xF67E),
- PACK(0xD940), PACK(0xD882), PACK(0xDAC4), PACK(0xDB06),
- PACK(0xDE48), PACK(0xDF8A), PACK(0xDDCC), PACK(0xDC0E),
- PACK(0xD750), PACK(0xD692), PACK(0xD4D4), PACK(0xD516),
- PACK(0xD058), PACK(0xD19A), PACK(0xD3DC), PACK(0xD21E),
- PACK(0xC560), PACK(0xC4A2), PACK(0xC6E4), PACK(0xC726),
- PACK(0xC268), PACK(0xC3AA), PACK(0xC1EC), PACK(0xC02E),
- PACK(0xCB70), PACK(0xCAB2), PACK(0xC8F4), PACK(0xC936),
- PACK(0xCC78), PACK(0xCDBA), PACK(0xCFFC), PACK(0xCE3E),
- PACK(0x9180), PACK(0x9042), PACK(0x9204), PACK(0x93C6),
- PACK(0x9688), PACK(0x974A), PACK(0x950C), PACK(0x94CE),
- PACK(0x9F90), PACK(0x9E52), PACK(0x9C14), PACK(0x9DD6),
- PACK(0x9898), PACK(0x995A), PACK(0x9B1C), PACK(0x9ADE),
- PACK(0x8DA0), PACK(0x8C62), PACK(0x8E24), PACK(0x8FE6),
- PACK(0x8AA8), PACK(0x8B6A), PACK(0x892C), PACK(0x88EE),
- PACK(0x83B0), PACK(0x8272), PACK(0x8034), PACK(0x81F6),
- PACK(0x84B8), PACK(0x857A), PACK(0x873C), PACK(0x86FE),
- PACK(0xA9C0), PACK(0xA802), PACK(0xAA44), PACK(0xAB86),
- PACK(0xAEC8), PACK(0xAF0A), PACK(0xAD4C), PACK(0xAC8E),
- PACK(0xA7D0), PACK(0xA612), PACK(0xA454), PACK(0xA596),
- PACK(0xA0D8), PACK(0xA11A), PACK(0xA35C), PACK(0xA29E),
- PACK(0xB5E0), PACK(0xB422), PACK(0xB664), PACK(0xB7A6),
- PACK(0xB2E8), PACK(0xB32A), PACK(0xB16C), PACK(0xB0AE),
- PACK(0xBBF0), PACK(0xBA32), PACK(0xB874), PACK(0xB9B6),
- PACK(0xBCF8), PACK(0xBD3A), PACK(0xBF7C), PACK(0xBEBE)
- };
-
- while (1) {
- Z.hi ^= Htable[n].hi;
- Z.lo ^= Htable[n].lo;
-
- if ((u8 *)Xi == xi)
- break;
-
- n = *(--xi);
-
- rem = (size_t)Z.lo & 0xff;
- Z.lo = (Z.hi << 56) | (Z.lo >> 8);
- Z.hi = (Z.hi >> 8);
- if (sizeof(size_t) == 8)
- Z.hi ^= rem_8bit[rem];
- else
- Z.hi ^= (u64)rem_8bit[rem] << 32;
- }
-
- if (is_endian.little) {
-# ifdef BSWAP8
- Xi[0] = BSWAP8(Z.hi);
- Xi[1] = BSWAP8(Z.lo);
-# else
- u8 *p = (u8 *)Xi;
- u32 v;
- v = (u32)(Z.hi >> 32);
- PUTU32(p, v);
- v = (u32)(Z.hi);
- PUTU32(p + 4, v);
- v = (u32)(Z.lo >> 32);
- PUTU32(p + 8, v);
- v = (u32)(Z.lo);
- PUTU32(p + 12, v);
-# endif
- } else {
- Xi[0] = Z.hi;
- Xi[1] = Z.lo;
- }
-}
-
-# define GCM_MUL(ctx,Xi) gcm_gmult_8bit(ctx->Xi.u,ctx->Htable)
-
-#elif TABLE_BITS==4
-static void gcm_init_4bit(u128 Htable[16], u64 H[2])
+static void gcm_init_4bit(u128 Htable[16], const u64 H[2])
{
u128 V;
# if defined(OPENSSL_SMALL_FOOTPRINT)
*/
{
int j;
- const union {
- long one;
- char little;
- } is_endian = { 1 };
+ DECLARE_IS_ENDIAN;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
for (j = 0; j < 16; ++j) {
V = Htable[j];
Htable[j].hi = V.lo;
# endif
}
-# ifndef GHASH_ASM
+# if !defined(GHASH_ASM) || defined(INCLUDE_C_GMULT_4BIT)
static const size_t rem_4bit[16] = {
PACK(0x0000), PACK(0x1C20), PACK(0x3840), PACK(0x2460),
PACK(0x7080), PACK(0x6CA0), PACK(0x48C0), PACK(0x54E0),
u128 Z;
int cnt = 15;
size_t rem, nlo, nhi;
- const union {
- long one;
- char little;
- } is_endian = { 1 };
+ DECLARE_IS_ENDIAN;
nlo = ((const u8 *)Xi)[15];
nhi = nlo >> 4;
Z.lo ^= Htable[nlo].lo;
}
- if (is_endian.little) {
+ if (IS_LITTLE_ENDIAN) {
# ifdef BSWAP8
Xi[0] = BSWAP8(Z.hi);
Xi[1] = BSWAP8(Z.lo);
}
}
+# endif
+
+# if !defined(GHASH_ASM) || defined(INCLUDE_C_GHASH_4BIT)
# if !defined(OPENSSL_SMALL_FOOTPRINT)
/*
* Streamed gcm_mult_4bit, see CRYPTO_gcm128_[en|de]crypt for
u128 Z;
int cnt;
size_t rem, nlo, nhi;
- const union {
- long one;
- char little;
- } is_endian = { 1 };
+ DECLARE_IS_ENDIAN;
-# if 1
do {
cnt = 15;
nlo = ((const u8 *)Xi)[15];
Z.hi ^= Htable[nlo].hi;
Z.lo ^= Htable[nlo].lo;
}
-# else
- /*
- * Extra 256+16 bytes per-key plus 512 bytes shared tables
- * [should] give ~50% improvement... One could have PACK()-ed
- * the rem_8bit even here, but the priority is to minimize
- * cache footprint...
- */
- u128 Hshr4[16]; /* Htable shifted right by 4 bits */
- u8 Hshl4[16]; /* Htable shifted left by 4 bits */
- static const unsigned short rem_8bit[256] = {
- 0x0000, 0x01C2, 0x0384, 0x0246, 0x0708, 0x06CA, 0x048C, 0x054E,
- 0x0E10, 0x0FD2, 0x0D94, 0x0C56, 0x0918, 0x08DA, 0x0A9C, 0x0B5E,
- 0x1C20, 0x1DE2, 0x1FA4, 0x1E66, 0x1B28, 0x1AEA, 0x18AC, 0x196E,
- 0x1230, 0x13F2, 0x11B4, 0x1076, 0x1538, 0x14FA, 0x16BC, 0x177E,
- 0x3840, 0x3982, 0x3BC4, 0x3A06, 0x3F48, 0x3E8A, 0x3CCC, 0x3D0E,
- 0x3650, 0x3792, 0x35D4, 0x3416, 0x3158, 0x309A, 0x32DC, 0x331E,
- 0x2460, 0x25A2, 0x27E4, 0x2626, 0x2368, 0x22AA, 0x20EC, 0x212E,
- 0x2A70, 0x2BB2, 0x29F4, 0x2836, 0x2D78, 0x2CBA, 0x2EFC, 0x2F3E,
- 0x7080, 0x7142, 0x7304, 0x72C6, 0x7788, 0x764A, 0x740C, 0x75CE,
- 0x7E90, 0x7F52, 0x7D14, 0x7CD6, 0x7998, 0x785A, 0x7A1C, 0x7BDE,
- 0x6CA0, 0x6D62, 0x6F24, 0x6EE6, 0x6BA8, 0x6A6A, 0x682C, 0x69EE,
- 0x62B0, 0x6372, 0x6134, 0x60F6, 0x65B8, 0x647A, 0x663C, 0x67FE,
- 0x48C0, 0x4902, 0x4B44, 0x4A86, 0x4FC8, 0x4E0A, 0x4C4C, 0x4D8E,
- 0x46D0, 0x4712, 0x4554, 0x4496, 0x41D8, 0x401A, 0x425C, 0x439E,
- 0x54E0, 0x5522, 0x5764, 0x56A6, 0x53E8, 0x522A, 0x506C, 0x51AE,
- 0x5AF0, 0x5B32, 0x5974, 0x58B6, 0x5DF8, 0x5C3A, 0x5E7C, 0x5FBE,
- 0xE100, 0xE0C2, 0xE284, 0xE346, 0xE608, 0xE7CA, 0xE58C, 0xE44E,
- 0xEF10, 0xEED2, 0xEC94, 0xED56, 0xE818, 0xE9DA, 0xEB9C, 0xEA5E,
- 0xFD20, 0xFCE2, 0xFEA4, 0xFF66, 0xFA28, 0xFBEA, 0xF9AC, 0xF86E,
- 0xF330, 0xF2F2, 0xF0B4, 0xF176, 0xF438, 0xF5FA, 0xF7BC, 0xF67E,
- 0xD940, 0xD882, 0xDAC4, 0xDB06, 0xDE48, 0xDF8A, 0xDDCC, 0xDC0E,
- 0xD750, 0xD692, 0xD4D4, 0xD516, 0xD058, 0xD19A, 0xD3DC, 0xD21E,
- 0xC560, 0xC4A2, 0xC6E4, 0xC726, 0xC268, 0xC3AA, 0xC1EC, 0xC02E,
- 0xCB70, 0xCAB2, 0xC8F4, 0xC936, 0xCC78, 0xCDBA, 0xCFFC, 0xCE3E,
- 0x9180, 0x9042, 0x9204, 0x93C6, 0x9688, 0x974A, 0x950C, 0x94CE,
- 0x9F90, 0x9E52, 0x9C14, 0x9DD6, 0x9898, 0x995A, 0x9B1C, 0x9ADE,
- 0x8DA0, 0x8C62, 0x8E24, 0x8FE6, 0x8AA8, 0x8B6A, 0x892C, 0x88EE,
- 0x83B0, 0x8272, 0x8034, 0x81F6, 0x84B8, 0x857A, 0x873C, 0x86FE,
- 0xA9C0, 0xA802, 0xAA44, 0xAB86, 0xAEC8, 0xAF0A, 0xAD4C, 0xAC8E,
- 0xA7D0, 0xA612, 0xA454, 0xA596, 0xA0D8, 0xA11A, 0xA35C, 0xA29E,
- 0xB5E0, 0xB422, 0xB664, 0xB7A6, 0xB2E8, 0xB32A, 0xB16C, 0xB0AE,
- 0xBBF0, 0xBA32, 0xB874, 0xB9B6, 0xBCF8, 0xBD3A, 0xBF7C, 0xBEBE
- };
- /*
- * This pre-processing phase slows down procedure by approximately
- * same time as it makes each loop spin faster. In other words
- * single block performance is approximately same as straightforward
- * "4-bit" implementation, and then it goes only faster...
- */
- for (cnt = 0; cnt < 16; ++cnt) {
- Z.hi = Htable[cnt].hi;
- Z.lo = Htable[cnt].lo;
- Hshr4[cnt].lo = (Z.hi << 60) | (Z.lo >> 4);
- Hshr4[cnt].hi = (Z.hi >> 4);
- Hshl4[cnt] = (u8)(Z.lo << 4);
- }
-
- do {
- for (Z.lo = 0, Z.hi = 0, cnt = 15; cnt; --cnt) {
- nlo = ((const u8 *)Xi)[cnt];
- nlo ^= inp[cnt];
- nhi = nlo >> 4;
- nlo &= 0xf;
-
- Z.hi ^= Htable[nlo].hi;
- Z.lo ^= Htable[nlo].lo;
- rem = (size_t)Z.lo & 0xff;
-
- Z.lo = (Z.hi << 56) | (Z.lo >> 8);
- Z.hi = (Z.hi >> 8);
-
- Z.hi ^= Hshr4[nhi].hi;
- Z.lo ^= Hshr4[nhi].lo;
- Z.hi ^= (u64)rem_8bit[rem ^ Hshl4[nhi]] << 48;
- }
-
- nlo = ((const u8 *)Xi)[0];
- nlo ^= inp[0];
- nhi = nlo >> 4;
- nlo &= 0xf;
-
- Z.hi ^= Htable[nlo].hi;
- Z.lo ^= Htable[nlo].lo;
-
- rem = (size_t)Z.lo & 0xf;
-
- Z.lo = (Z.hi << 60) | (Z.lo >> 4);
- Z.hi = (Z.hi >> 4);
-
- Z.hi ^= Htable[nhi].hi;
- Z.lo ^= Htable[nhi].lo;
- Z.hi ^= ((u64)rem_8bit[rem << 4]) << 48;
-# endif
-
- if (is_endian.little) {
+ if (IS_LITTLE_ENDIAN) {
# ifdef BSWAP8
Xi[0] = BSWAP8(Z.hi);
Xi[1] = BSWAP8(Z.lo);
Xi[0] = Z.hi;
Xi[1] = Z.lo;
}
- } while (inp += 16, len -= 16);
+
+ inp += 16;
+ /* Block size is 128 bits so len is a multiple of 16 */
+ len -= 16;
+ } while (len > 0);
}
# endif
# else
size_t len);
# endif
-# define GCM_MUL(ctx,Xi) gcm_gmult_4bit(ctx->Xi.u,ctx->Htable)
+# define GCM_MUL(ctx) ctx->funcs.gmult(ctx->Xi.u,ctx->Htable)
# if defined(GHASH_ASM) || !defined(OPENSSL_SMALL_FOOTPRINT)
-# define GHASH(ctx,in,len) gcm_ghash_4bit((ctx)->Xi.u,(ctx)->Htable,in,len)
+# define GHASH(ctx,in,len) ctx->funcs.ghash((ctx)->Xi.u,(ctx)->Htable,in,len)
/*
* GHASH_CHUNK is "stride parameter" missioned to mitigate cache trashing
* effect. In other words idea is to hash data while it's still in L1 cache
# define GHASH_CHUNK (3*1024)
# endif
-#else /* TABLE_BITS */
-
-static void gcm_gmult_1bit(u64 Xi[2], const u64 H[2])
-{
- u128 V, Z = { 0, 0 };
- long X;
- int i, j;
- const long *xi = (const long *)Xi;
- const union {
- long one;
- char little;
- } is_endian = { 1 };
-
- V.hi = H[0]; /* H is in host byte order, no byte swapping */
- V.lo = H[1];
-
- for (j = 0; j < 16 / sizeof(long); ++j) {
- if (is_endian.little) {
- if (sizeof(long) == 8) {
-# ifdef BSWAP8
- X = (long)(BSWAP8(xi[j]));
-# else
- const u8 *p = (const u8 *)(xi + j);
- X = (long)((u64)GETU32(p) << 32 | GETU32(p + 4));
-# endif
- } else {
- const u8 *p = (const u8 *)(xi + j);
- X = (long)GETU32(p);
- }
- } else
- X = xi[j];
-
- for (i = 0; i < 8 * sizeof(long); ++i, X <<= 1) {
- u64 M = (u64)(X >> (8 * sizeof(long) - 1));
- Z.hi ^= V.hi & M;
- Z.lo ^= V.lo & M;
-
- REDUCE1BIT(V);
- }
- }
-
- if (is_endian.little) {
-# ifdef BSWAP8
- Xi[0] = BSWAP8(Z.hi);
- Xi[1] = BSWAP8(Z.lo);
-# else
- u8 *p = (u8 *)Xi;
- u32 v;
- v = (u32)(Z.hi >> 32);
- PUTU32(p, v);
- v = (u32)(Z.hi);
- PUTU32(p + 4, v);
- v = (u32)(Z.lo >> 32);
- PUTU32(p + 8, v);
- v = (u32)(Z.lo);
- PUTU32(p + 12, v);
-# endif
- } else {
- Xi[0] = Z.hi;
- Xi[1] = Z.lo;
- }
-}
-
-# define GCM_MUL(ctx,Xi) gcm_gmult_1bit(ctx->Xi.u,ctx->H.u)
-
-#endif
-
-#if TABLE_BITS==4 && (defined(GHASH_ASM) || defined(OPENSSL_CPUID_OBJ))
+#if (defined(GHASH_ASM) || defined(OPENSSL_CPUID_OBJ))
# if !defined(I386_ONLY) && \
(defined(__i386) || defined(__i386__) || \
defined(__x86_64) || defined(__x86_64__) || \
defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
# define GHASH_ASM_X86_OR_64
-# define GCM_FUNCREF_4BIT
-extern unsigned int OPENSSL_ia32cap_P[2];
void gcm_init_clmul(u128 Htable[16], const u64 Xi[2]);
void gcm_gmult_clmul(u64 Xi[2], const u128 Htable[16]);
void gcm_ghash_4bit_x86(u64 Xi[2], const u128 Htable[16], const u8 *inp,
size_t len);
# endif
-# elif defined(__arm__) || defined(__arm) || defined(__aarch64__)
+# elif defined(__arm__) || defined(__arm) || defined(__aarch64__) || defined(_M_ARM64)
# include "arm_arch.h"
# if __ARM_MAX_ARCH__>=7
# define GHASH_ASM_ARM
-# define GCM_FUNCREF_4BIT
# define PMULL_CAPABLE (OPENSSL_armcap_P & ARMV8_PMULL)
# if defined(__arm__) || defined(__arm)
# define NEON_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
size_t len);
# endif
# elif defined(__sparc__) || defined(__sparc)
-# include "sparc_arch.h"
+# include "crypto/sparc_arch.h"
# define GHASH_ASM_SPARC
-# define GCM_FUNCREF_4BIT
-extern unsigned int OPENSSL_sparcv9cap_P[];
void gcm_init_vis3(u128 Htable[16], const u64 Xi[2]);
void gcm_gmult_vis3(u64 Xi[2], const u128 Htable[16]);
void gcm_ghash_vis3(u64 Xi[2], const u128 Htable[16], const u8 *inp,
size_t len);
-# elif defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
-# include "ppc_arch.h"
+# elif defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__POWERPC__) || defined(_ARCH_PPC))
+# include "crypto/ppc_arch.h"
# define GHASH_ASM_PPC
-# define GCM_FUNCREF_4BIT
void gcm_init_p8(u128 Htable[16], const u64 Xi[2]);
void gcm_gmult_p8(u64 Xi[2], const u128 Htable[16]);
void gcm_ghash_p8(u64 Xi[2], const u128 Htable[16], const u8 *inp,
size_t len);
+# elif defined(OPENSSL_CPUID_OBJ) && defined(__riscv) && __riscv_xlen == 64
+# include "crypto/riscv_arch.h"
+# define GHASH_ASM_RV64I
+/* Zbc/Zbkc (scalar crypto with clmul) based routines. */
+void gcm_init_rv64i_zbc(u128 Htable[16], const u64 Xi[2]);
+void gcm_init_rv64i_zbc__zbb(u128 Htable[16], const u64 Xi[2]);
+void gcm_init_rv64i_zbc__zbkb(u128 Htable[16], const u64 Xi[2]);
+void gcm_gmult_rv64i_zbc(u64 Xi[2], const u128 Htable[16]);
+void gcm_gmult_rv64i_zbc__zbkb(u64 Xi[2], const u128 Htable[16]);
+void gcm_ghash_rv64i_zbc(u64 Xi[2], const u128 Htable[16],
+ const u8 *inp, size_t len);
+void gcm_ghash_rv64i_zbc__zbkb(u64 Xi[2], const u128 Htable[16],
+ const u8 *inp, size_t len);
+/* zvkb/Zvbc (vector crypto with vclmul) based routines. */
+void gcm_init_rv64i_zvkb_zvbc(u128 Htable[16], const u64 Xi[2]);
+void gcm_gmult_rv64i_zvkb_zvbc(u64 Xi[2], const u128 Htable[16]);
+void gcm_ghash_rv64i_zvkb_zvbc(u64 Xi[2], const u128 Htable[16],
+ const u8 *inp, size_t len);
+/* Zvkg (vector crypto with vgmul.vv and vghsh.vv). */
+void gcm_init_rv64i_zvkg(u128 Htable[16], const u64 Xi[2]);
+void gcm_init_rv64i_zvkg_zvkb(u128 Htable[16], const u64 Xi[2]);
+void gcm_gmult_rv64i_zvkg(u64 Xi[2], const u128 Htable[16]);
+void gcm_ghash_rv64i_zvkg(u64 Xi[2], const u128 Htable[16],
+ const u8 *inp, size_t len);
# endif
#endif
-#ifdef GCM_FUNCREF_4BIT
-# undef GCM_MUL
-# define GCM_MUL(ctx,Xi) (*gcm_gmult_p)(ctx->Xi.u,ctx->Htable)
-# ifdef GHASH
-# undef GHASH
-# define GHASH(ctx,in,len) (*gcm_ghash_p)(ctx->Xi.u,ctx->Htable,in,len)
-# endif
-#endif
-
-void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block)
+static void gcm_get_funcs(struct gcm_funcs_st *ctx)
{
- const union {
- long one;
- char little;
- } is_endian = { 1 };
-
- memset(ctx, 0, sizeof(*ctx));
- ctx->block = block;
- ctx->key = key;
-
- (*block) (ctx->H.c, ctx->H.c, key);
-
- if (is_endian.little) {
- /* H is stored in host byte order */
-#ifdef BSWAP8
- ctx->H.u[0] = BSWAP8(ctx->H.u[0]);
- ctx->H.u[1] = BSWAP8(ctx->H.u[1]);
+ /* set defaults -- overridden below as needed */
+ ctx->ginit = gcm_init_4bit;
+#if !defined(GHASH_ASM)
+ ctx->gmult = gcm_gmult_4bit;
#else
- u8 *p = ctx->H.c;
- u64 hi, lo;
- hi = (u64)GETU32(p) << 32 | GETU32(p + 4);
- lo = (u64)GETU32(p + 8) << 32 | GETU32(p + 12);
- ctx->H.u[0] = hi;
- ctx->H.u[1] = lo;
+ ctx->gmult = NULL;
#endif
- }
-#if TABLE_BITS==8
- gcm_init_8bit(ctx->Htable, ctx->H.u);
-#elif TABLE_BITS==4
-# if defined(GHASH)
-# define CTX__GHASH(f) (ctx->ghash = (f))
-# else
-# define CTX__GHASH(f) (ctx->ghash = NULL)
-# endif
-# if defined(GHASH_ASM_X86_OR_64)
-# if !defined(GHASH_ASM_X86) || defined(OPENSSL_IA32_SSE2)
- if (OPENSSL_ia32cap_P[0] & (1 << 24) && /* check FXSR bit */
- OPENSSL_ia32cap_P[1] & (1 << 1)) { /* check PCLMULQDQ bit */
+#if !defined(GHASH_ASM) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ ctx->ghash = gcm_ghash_4bit;
+#else
+ ctx->ghash = NULL;
+#endif
+
+#if defined(GHASH_ASM_X86_OR_64)
+# if !defined(GHASH_ASM_X86) || defined(OPENSSL_IA32_SSE2)
+ /* x86_64 */
+ if (OPENSSL_ia32cap_P[1] & (1 << 1)) { /* check PCLMULQDQ bit */
if (((OPENSSL_ia32cap_P[1] >> 22) & 0x41) == 0x41) { /* AVX+MOVBE */
- gcm_init_avx(ctx->Htable, ctx->H.u);
+ ctx->ginit = gcm_init_avx;
ctx->gmult = gcm_gmult_avx;
- CTX__GHASH(gcm_ghash_avx);
+ ctx->ghash = gcm_ghash_avx;
} else {
- gcm_init_clmul(ctx->Htable, ctx->H.u);
+ ctx->ginit = gcm_init_clmul;
ctx->gmult = gcm_gmult_clmul;
- CTX__GHASH(gcm_ghash_clmul);
+ ctx->ghash = gcm_ghash_clmul;
}
return;
}
-# endif
- gcm_init_4bit(ctx->Htable, ctx->H.u);
-# if defined(GHASH_ASM_X86) /* x86 only */
-# if defined(OPENSSL_IA32_SSE2)
+# endif
+# if defined(GHASH_ASM_X86)
+ /* x86 only */
+# if defined(OPENSSL_IA32_SSE2)
if (OPENSSL_ia32cap_P[0] & (1 << 25)) { /* check SSE bit */
-# else
- if (OPENSSL_ia32cap_P[0] & (1 << 23)) { /* check MMX bit */
-# endif
ctx->gmult = gcm_gmult_4bit_mmx;
- CTX__GHASH(gcm_ghash_4bit_mmx);
- } else {
- ctx->gmult = gcm_gmult_4bit_x86;
- CTX__GHASH(gcm_ghash_4bit_x86);
+ ctx->ghash = gcm_ghash_4bit_mmx;
+ return;
}
# else
- ctx->gmult = gcm_gmult_4bit;
- CTX__GHASH(gcm_ghash_4bit);
+ if (OPENSSL_ia32cap_P[0] & (1 << 23)) { /* check MMX bit */
+ ctx->gmult = gcm_gmult_4bit_mmx;
+ ctx->ghash = gcm_ghash_4bit_mmx;
+ return;
+ }
# endif
-# elif defined(GHASH_ASM_ARM)
-# ifdef PMULL_CAPABLE
+ ctx->gmult = gcm_gmult_4bit_x86;
+ ctx->ghash = gcm_ghash_4bit_x86;
+ return;
+# else
+ /* x86_64 fallback defaults */
+ ctx->gmult = gcm_gmult_4bit;
+ ctx->ghash = gcm_ghash_4bit;
+ return;
+# endif
+#elif defined(GHASH_ASM_ARM)
+ /* ARM defaults */
+ ctx->gmult = gcm_gmult_4bit;
+ ctx->ghash = gcm_ghash_4bit;
+# ifdef PMULL_CAPABLE
if (PMULL_CAPABLE) {
- gcm_init_v8(ctx->Htable, ctx->H.u);
+ ctx->ginit = (gcm_init_fn)gcm_init_v8;
ctx->gmult = gcm_gmult_v8;
- CTX__GHASH(gcm_ghash_v8);
- } else
-# endif
-# ifdef NEON_CAPABLE
+ ctx->ghash = gcm_ghash_v8;
+ }
+# elif defined(NEON_CAPABLE)
if (NEON_CAPABLE) {
- gcm_init_neon(ctx->Htable, ctx->H.u);
+ ctx->ginit = gcm_init_neon;
ctx->gmult = gcm_gmult_neon;
- CTX__GHASH(gcm_ghash_neon);
- } else
-# endif
- {
- gcm_init_4bit(ctx->Htable, ctx->H.u);
- ctx->gmult = gcm_gmult_4bit;
- CTX__GHASH(gcm_ghash_4bit);
+ ctx->ghash = gcm_ghash_neon;
}
-# elif defined(GHASH_ASM_SPARC)
+# endif
+ return;
+#elif defined(GHASH_ASM_SPARC)
+ /* SPARC defaults */
+ ctx->gmult = gcm_gmult_4bit;
+ ctx->ghash = gcm_ghash_4bit;
if (OPENSSL_sparcv9cap_P[0] & SPARCV9_VIS3) {
- gcm_init_vis3(ctx->Htable, ctx->H.u);
+ ctx->ginit = gcm_init_vis3;
ctx->gmult = gcm_gmult_vis3;
- CTX__GHASH(gcm_ghash_vis3);
- } else {
- gcm_init_4bit(ctx->Htable, ctx->H.u);
- ctx->gmult = gcm_gmult_4bit;
- CTX__GHASH(gcm_ghash_4bit);
+ ctx->ghash = gcm_ghash_vis3;
}
-# elif defined(GHASH_ASM_PPC)
+ return;
+#elif defined(GHASH_ASM_PPC)
+ /* PowerPC does not define GHASH_ASM; defaults set above */
if (OPENSSL_ppccap_P & PPC_CRYPTO207) {
- gcm_init_p8(ctx->Htable, ctx->H.u);
+ ctx->ginit = gcm_init_p8;
ctx->gmult = gcm_gmult_p8;
- CTX__GHASH(gcm_ghash_p8);
+ ctx->ghash = gcm_ghash_p8;
+ }
+ return;
+#elif defined(GHASH_ASM_RV64I)
+ /* RISCV defaults */
+ ctx->gmult = gcm_gmult_4bit;
+ ctx->ghash = gcm_ghash_4bit;
+
+ if (RISCV_HAS_ZVKG() && riscv_vlen() >= 128) {
+ if (RISCV_HAS_ZVKB())
+ ctx->ginit = gcm_init_rv64i_zvkg_zvkb;
+ else
+ ctx->ginit = gcm_init_rv64i_zvkg;
+ ctx->gmult = gcm_gmult_rv64i_zvkg;
+ ctx->ghash = gcm_ghash_rv64i_zvkg;
+ } else if (RISCV_HAS_ZVKB() && RISCV_HAS_ZVBC() && riscv_vlen() >= 128) {
+ ctx->ginit = gcm_init_rv64i_zvkb_zvbc;
+ ctx->gmult = gcm_gmult_rv64i_zvkb_zvbc;
+ ctx->ghash = gcm_ghash_rv64i_zvkb_zvbc;
+ } else if (RISCV_HAS_ZBC()) {
+ if (RISCV_HAS_ZBKB()) {
+ ctx->ginit = gcm_init_rv64i_zbc__zbkb;
+ ctx->gmult = gcm_gmult_rv64i_zbc__zbkb;
+ ctx->ghash = gcm_ghash_rv64i_zbc__zbkb;
+ } else if (RISCV_HAS_ZBB()) {
+ ctx->ginit = gcm_init_rv64i_zbc__zbb;
+ ctx->gmult = gcm_gmult_rv64i_zbc;
+ ctx->ghash = gcm_ghash_rv64i_zbc;
+ } else {
+ ctx->ginit = gcm_init_rv64i_zbc;
+ ctx->gmult = gcm_gmult_rv64i_zbc;
+ ctx->ghash = gcm_ghash_rv64i_zbc;
+ }
+ }
+ return;
+#elif defined(GHASH_ASM)
+ /* all other architectures use the generic names */
+ ctx->gmult = gcm_gmult_4bit;
+ ctx->ghash = gcm_ghash_4bit;
+ return;
+#endif
+}
+
+void ossl_gcm_init_4bit(u128 Htable[16], const u64 H[2])
+{
+ struct gcm_funcs_st funcs;
+
+ gcm_get_funcs(&funcs);
+ funcs.ginit(Htable, H);
+}
+
+void ossl_gcm_gmult_4bit(u64 Xi[2], const u128 Htable[16])
+{
+ struct gcm_funcs_st funcs;
+
+ gcm_get_funcs(&funcs);
+ funcs.gmult(Xi, Htable);
+}
+
+void ossl_gcm_ghash_4bit(u64 Xi[2], const u128 Htable[16],
+ const u8 *inp, size_t len)
+{
+ struct gcm_funcs_st funcs;
+ u64 tmp[2];
+ size_t i;
+
+ gcm_get_funcs(&funcs);
+ if (funcs.ghash != NULL) {
+ funcs.ghash(Xi, Htable, inp, len);
} else {
- gcm_init_4bit(ctx->Htable, ctx->H.u);
- ctx->gmult = gcm_gmult_4bit;
- CTX__GHASH(gcm_ghash_4bit);
+ /* Emulate ghash if needed */
+ for (i = 0; i < len; i += 16) {
+ memcpy(tmp, &inp[i], sizeof(tmp));
+ Xi[0] ^= tmp[0];
+ Xi[1] ^= tmp[1];
+ funcs.gmult(Xi, Htable);
+ }
}
-# else
- gcm_init_4bit(ctx->Htable, ctx->H.u);
-# endif
-# undef CTX__GHASH
+}
+
+void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block)
+{
+ DECLARE_IS_ENDIAN;
+
+ memset(ctx, 0, sizeof(*ctx));
+ ctx->block = block;
+ ctx->key = key;
+
+ (*block) (ctx->H.c, ctx->H.c, key);
+
+ if (IS_LITTLE_ENDIAN) {
+ /* H is stored in host byte order */
+#ifdef BSWAP8
+ ctx->H.u[0] = BSWAP8(ctx->H.u[0]);
+ ctx->H.u[1] = BSWAP8(ctx->H.u[1]);
+#else
+ u8 *p = ctx->H.c;
+ u64 hi, lo;
+ hi = (u64)GETU32(p) << 32 | GETU32(p + 4);
+ lo = (u64)GETU32(p + 8) << 32 | GETU32(p + 12);
+ ctx->H.u[0] = hi;
+ ctx->H.u[1] = lo;
#endif
+ }
+
+ gcm_get_funcs(&ctx->funcs);
+ ctx->funcs.ginit(ctx->Htable, ctx->H.u);
}
void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
size_t len)
{
- const union {
- long one;
- char little;
- } is_endian = { 1 };
+ DECLARE_IS_ENDIAN;
unsigned int ctr;
-#ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-#endif
- ctx->Yi.u[0] = 0;
- ctx->Yi.u[1] = 0;
- ctx->Xi.u[0] = 0;
- ctx->Xi.u[1] = 0;
ctx->len.u[0] = 0; /* AAD length */
ctx->len.u[1] = 0; /* message length */
ctx->ares = 0;
if (len == 12) {
memcpy(ctx->Yi.c, iv, 12);
+ ctx->Yi.c[12] = 0;
+ ctx->Yi.c[13] = 0;
+ ctx->Yi.c[14] = 0;
ctx->Yi.c[15] = 1;
ctr = 1;
} else {
size_t i;
u64 len0 = len;
+ /* Borrow ctx->Xi to calculate initial Yi */
+ ctx->Xi.u[0] = 0;
+ ctx->Xi.u[1] = 0;
+
while (len >= 16) {
for (i = 0; i < 16; ++i)
- ctx->Yi.c[i] ^= iv[i];
- GCM_MUL(ctx, Yi);
+ ctx->Xi.c[i] ^= iv[i];
+ GCM_MUL(ctx);
iv += 16;
len -= 16;
}
if (len) {
for (i = 0; i < len; ++i)
- ctx->Yi.c[i] ^= iv[i];
- GCM_MUL(ctx, Yi);
+ ctx->Xi.c[i] ^= iv[i];
+ GCM_MUL(ctx);
}
len0 <<= 3;
- if (is_endian.little) {
+ if (IS_LITTLE_ENDIAN) {
#ifdef BSWAP8
- ctx->Yi.u[1] ^= BSWAP8(len0);
+ ctx->Xi.u[1] ^= BSWAP8(len0);
#else
- ctx->Yi.c[8] ^= (u8)(len0 >> 56);
- ctx->Yi.c[9] ^= (u8)(len0 >> 48);
- ctx->Yi.c[10] ^= (u8)(len0 >> 40);
- ctx->Yi.c[11] ^= (u8)(len0 >> 32);
- ctx->Yi.c[12] ^= (u8)(len0 >> 24);
- ctx->Yi.c[13] ^= (u8)(len0 >> 16);
- ctx->Yi.c[14] ^= (u8)(len0 >> 8);
- ctx->Yi.c[15] ^= (u8)(len0);
+ ctx->Xi.c[8] ^= (u8)(len0 >> 56);
+ ctx->Xi.c[9] ^= (u8)(len0 >> 48);
+ ctx->Xi.c[10] ^= (u8)(len0 >> 40);
+ ctx->Xi.c[11] ^= (u8)(len0 >> 32);
+ ctx->Xi.c[12] ^= (u8)(len0 >> 24);
+ ctx->Xi.c[13] ^= (u8)(len0 >> 16);
+ ctx->Xi.c[14] ^= (u8)(len0 >> 8);
+ ctx->Xi.c[15] ^= (u8)(len0);
#endif
- } else
- ctx->Yi.u[1] ^= len0;
+ } else {
+ ctx->Xi.u[1] ^= len0;
+ }
- GCM_MUL(ctx, Yi);
+ GCM_MUL(ctx);
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
#ifdef BSWAP4
- ctr = BSWAP4(ctx->Yi.d[3]);
+ ctr = BSWAP4(ctx->Xi.d[3]);
#else
- ctr = GETU32(ctx->Yi.c + 12);
+ ctr = GETU32(ctx->Xi.c + 12);
#endif
else
- ctr = ctx->Yi.d[3];
+ ctr = ctx->Xi.d[3];
+
+ /* Copy borrowed Xi to Yi */
+ ctx->Yi.u[0] = ctx->Xi.u[0];
+ ctx->Yi.u[1] = ctx->Xi.u[1];
}
+ ctx->Xi.u[0] = 0;
+ ctx->Xi.u[1] = 0;
+
(*ctx->block) (ctx->Yi.c, ctx->EK0.c, ctx->key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
#else
size_t i;
unsigned int n;
u64 alen = ctx->len.u[0];
-#ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-# ifdef GHASH
- void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
- const u8 *inp, size_t len) = ctx->ghash;
-# endif
-#endif
if (ctx->len.u[1])
return -2;
n = (n + 1) % 16;
}
if (n == 0)
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
else {
ctx->ares = n;
return 0;
while (len >= 16) {
for (i = 0; i < 16; ++i)
ctx->Xi.c[i] ^= aad[i];
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
aad += 16;
len -= 16;
}
const unsigned char *in, unsigned char *out,
size_t len)
{
- const union {
- long one;
- char little;
- } is_endian = { 1 };
- unsigned int n, ctr;
+ DECLARE_IS_ENDIAN;
+ unsigned int n, ctr, mres;
size_t i;
u64 mlen = ctx->len.u[1];
block128_f block = ctx->block;
void *key = ctx->key;
-#ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-# if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
- void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
- const u8 *inp, size_t len) = ctx->ghash;
-# endif
-#endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
return -1;
ctx->len.u[1] = mlen;
+ mres = ctx->mres;
+
if (ctx->ares) {
/* First call to encrypt finalizes GHASH(AAD) */
- GCM_MUL(ctx, Xi);
+#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ if (len == 0) {
+ GCM_MUL(ctx);
+ ctx->ares = 0;
+ return 0;
+ }
+ memcpy(ctx->Xn, ctx->Xi.c, sizeof(ctx->Xi));
+ ctx->Xi.u[0] = 0;
+ ctx->Xi.u[1] = 0;
+ mres = sizeof(ctx->Xi);
+#else
+ GCM_MUL(ctx);
+#endif
ctx->ares = 0;
}
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
#ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
#else
else
ctr = ctx->Yi.d[3];
- n = ctx->mres;
+ n = mres % 16;
#if !defined(OPENSSL_SMALL_FOOTPRINT)
if (16 % sizeof(size_t) == 0) { /* always true actually */
do {
if (n) {
+# if defined(GHASH)
+ while (n && len) {
+ ctx->Xn[mres++] = *(out++) = *(in++) ^ ctx->EKi.c[n];
+ --len;
+ n = (n + 1) % 16;
+ }
+ if (n == 0) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ } else {
+ ctx->mres = mres;
+ return 0;
+ }
+# else
while (n && len) {
ctx->Xi.c[n] ^= *(out++) = *(in++) ^ ctx->EKi.c[n];
--len;
n = (n + 1) % 16;
}
- if (n == 0)
- GCM_MUL(ctx, Xi);
- else {
+ if (n == 0) {
+ GCM_MUL(ctx);
+ mres = 0;
+ } else {
ctx->mres = n;
return 0;
}
+# endif
}
# if defined(STRICT_ALIGNMENT)
if (((size_t)in | (size_t)out) % sizeof(size_t) != 0)
break;
# endif
# if defined(GHASH)
+ if (len >= 16 && mres) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ }
# if defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
size_t j = GHASH_CHUNK;
while (j) {
- size_t *out_t = (size_t *)out;
- const size_t *in_t = (const size_t *)in;
+ size_t_aX *out_t = (size_t_aX *)out;
+ const size_t_aX *in_t = (const size_t_aX *)in;
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
size_t j = i;
while (len >= 16) {
- size_t *out_t = (size_t *)out;
- const size_t *in_t = (const size_t *)in;
+ size_t_aX *out_t = (size_t_aX *)out;
+ const size_t_aX *in_t = (const size_t_aX *)in;
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
ctx->Yi.d[3] = ctr;
for (i = 0; i < 16 / sizeof(size_t); ++i)
ctx->Xi.t[i] ^= out_t[i] = in_t[i] ^ ctx->EKi.t[i];
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
out += 16;
in += 16;
len -= 16;
if (len) {
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
# endif
else
ctx->Yi.d[3] = ctr;
+# if defined(GHASH)
+ while (len--) {
+ ctx->Xn[mres++] = out[n] = in[n] ^ ctx->EKi.c[n];
+ ++n;
+ }
+# else
while (len--) {
ctx->Xi.c[n] ^= out[n] = in[n] ^ ctx->EKi.c[n];
++n;
}
+ mres = n;
+# endif
}
- ctx->mres = n;
+ ctx->mres = mres;
return 0;
} while (0);
}
if (n == 0) {
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
#else
else
ctx->Yi.d[3] = ctr;
}
- ctx->Xi.c[n] ^= out[i] = in[i] ^ ctx->EKi.c[n];
+#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ ctx->Xn[mres++] = out[i] = in[i] ^ ctx->EKi.c[n];
n = (n + 1) % 16;
+ if (mres == sizeof(ctx->Xn)) {
+ GHASH(ctx,ctx->Xn,sizeof(ctx->Xn));
+ mres = 0;
+ }
+#else
+ ctx->Xi.c[n] ^= out[i] = in[i] ^ ctx->EKi.c[n];
+ mres = n = (n + 1) % 16;
if (n == 0)
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
+#endif
}
- ctx->mres = n;
+ ctx->mres = mres;
return 0;
}
const unsigned char *in, unsigned char *out,
size_t len)
{
- const union {
- long one;
- char little;
- } is_endian = { 1 };
- unsigned int n, ctr;
+ DECLARE_IS_ENDIAN;
+ unsigned int n, ctr, mres;
size_t i;
u64 mlen = ctx->len.u[1];
block128_f block = ctx->block;
void *key = ctx->key;
-#ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-# if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
- void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
- const u8 *inp, size_t len) = ctx->ghash;
-# endif
-#endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
return -1;
ctx->len.u[1] = mlen;
+ mres = ctx->mres;
+
if (ctx->ares) {
/* First call to decrypt finalizes GHASH(AAD) */
- GCM_MUL(ctx, Xi);
+#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ if (len == 0) {
+ GCM_MUL(ctx);
+ ctx->ares = 0;
+ return 0;
+ }
+ memcpy(ctx->Xn, ctx->Xi.c, sizeof(ctx->Xi));
+ ctx->Xi.u[0] = 0;
+ ctx->Xi.u[1] = 0;
+ mres = sizeof(ctx->Xi);
+#else
+ GCM_MUL(ctx);
+#endif
ctx->ares = 0;
}
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
#ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
#else
else
ctr = ctx->Yi.d[3];
- n = ctx->mres;
+ n = mres % 16;
#if !defined(OPENSSL_SMALL_FOOTPRINT)
if (16 % sizeof(size_t) == 0) { /* always true actually */
do {
if (n) {
+# if defined(GHASH)
+ while (n && len) {
+ *(out++) = (ctx->Xn[mres++] = *(in++)) ^ ctx->EKi.c[n];
+ --len;
+ n = (n + 1) % 16;
+ }
+ if (n == 0) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ } else {
+ ctx->mres = mres;
+ return 0;
+ }
+# else
while (n && len) {
u8 c = *(in++);
*(out++) = c ^ ctx->EKi.c[n];
--len;
n = (n + 1) % 16;
}
- if (n == 0)
- GCM_MUL(ctx, Xi);
- else {
+ if (n == 0) {
+ GCM_MUL(ctx);
+ mres = 0;
+ } else {
ctx->mres = n;
return 0;
}
+# endif
}
# if defined(STRICT_ALIGNMENT)
if (((size_t)in | (size_t)out) % sizeof(size_t) != 0)
break;
# endif
# if defined(GHASH)
+ if (len >= 16 && mres) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ }
# if defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
size_t j = GHASH_CHUNK;
GHASH(ctx, in, GHASH_CHUNK);
while (j) {
- size_t *out_t = (size_t *)out;
- const size_t *in_t = (const size_t *)in;
+ size_t_aX *out_t = (size_t_aX *)out;
+ const size_t_aX *in_t = (const size_t_aX *)in;
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
if ((i = (len & (size_t)-16))) {
GHASH(ctx, in, i);
while (len >= 16) {
- size_t *out_t = (size_t *)out;
- const size_t *in_t = (const size_t *)in;
+ size_t_aX *out_t = (size_t_aX *)out;
+ const size_t_aX *in_t = (const size_t_aX *)in;
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
else
ctx->Yi.d[3] = ctr;
for (i = 0; i < 16 / sizeof(size_t); ++i) {
- size_t c = in[i];
- out[i] = c ^ ctx->EKi.t[i];
+ size_t c = in_t[i];
+ out_t[i] = c ^ ctx->EKi.t[i];
ctx->Xi.t[i] ^= c;
}
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
out += 16;
in += 16;
len -= 16;
if (len) {
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
# endif
else
ctx->Yi.d[3] = ctr;
+# if defined(GHASH)
+ while (len--) {
+ out[n] = (ctx->Xn[mres++] = in[n]) ^ ctx->EKi.c[n];
+ ++n;
+ }
+# else
while (len--) {
u8 c = in[n];
ctx->Xi.c[n] ^= c;
out[n] = c ^ ctx->EKi.c[n];
++n;
}
+ mres = n;
+# endif
}
- ctx->mres = n;
+ ctx->mres = mres;
return 0;
} while (0);
}
if (n == 0) {
(*block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
#ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
#else
else
ctx->Yi.d[3] = ctr;
}
+#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ out[i] = (ctx->Xn[mres++] = c = in[i]) ^ ctx->EKi.c[n];
+ n = (n + 1) % 16;
+ if (mres == sizeof(ctx->Xn)) {
+ GHASH(ctx,ctx->Xn,sizeof(ctx->Xn));
+ mres = 0;
+ }
+#else
c = in[i];
out[i] = c ^ ctx->EKi.c[n];
ctx->Xi.c[n] ^= c;
- n = (n + 1) % 16;
+ mres = n = (n + 1) % 16;
if (n == 0)
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
+#endif
}
- ctx->mres = n;
+ ctx->mres = mres;
return 0;
}
#if defined(OPENSSL_SMALL_FOOTPRINT)
return CRYPTO_gcm128_encrypt(ctx, in, out, len);
#else
- const union {
- long one;
- char little;
- } is_endian = { 1 };
- unsigned int n, ctr;
+ DECLARE_IS_ENDIAN;
+ unsigned int n, ctr, mres;
size_t i;
u64 mlen = ctx->len.u[1];
void *key = ctx->key;
-# ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-# ifdef GHASH
- void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
- const u8 *inp, size_t len) = ctx->ghash;
-# endif
-# endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
return -1;
ctx->len.u[1] = mlen;
+ mres = ctx->mres;
+
if (ctx->ares) {
/* First call to encrypt finalizes GHASH(AAD) */
- GCM_MUL(ctx, Xi);
+#if defined(GHASH)
+ if (len == 0) {
+ GCM_MUL(ctx);
+ ctx->ares = 0;
+ return 0;
+ }
+ memcpy(ctx->Xn, ctx->Xi.c, sizeof(ctx->Xi));
+ ctx->Xi.u[0] = 0;
+ ctx->Xi.u[1] = 0;
+ mres = sizeof(ctx->Xi);
+#else
+ GCM_MUL(ctx);
+#endif
ctx->ares = 0;
}
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
# else
else
ctr = ctx->Yi.d[3];
- n = ctx->mres;
+ n = mres % 16;
if (n) {
+# if defined(GHASH)
+ while (n && len) {
+ ctx->Xn[mres++] = *(out++) = *(in++) ^ ctx->EKi.c[n];
+ --len;
+ n = (n + 1) % 16;
+ }
+ if (n == 0) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ } else {
+ ctx->mres = mres;
+ return 0;
+ }
+# else
while (n && len) {
ctx->Xi.c[n] ^= *(out++) = *(in++) ^ ctx->EKi.c[n];
--len;
n = (n + 1) % 16;
}
- if (n == 0)
- GCM_MUL(ctx, Xi);
- else {
+ if (n == 0) {
+ GCM_MUL(ctx);
+ mres = 0;
+ } else {
ctx->mres = n;
return 0;
}
+# endif
}
-# if defined(GHASH) && defined(GHASH_CHUNK)
+# if defined(GHASH)
+ if (len >= 16 && mres) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ }
+# if defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
(*stream) (in, out, GHASH_CHUNK / 16, key, ctx->Yi.c);
ctr += GHASH_CHUNK / 16;
- if (is_endian.little)
-# ifdef BSWAP4
+ if (IS_LITTLE_ENDIAN)
+# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
-# else
+# else
PUTU32(ctx->Yi.c + 12, ctr);
-# endif
+# endif
else
ctx->Yi.d[3] = ctr;
GHASH(ctx, out, GHASH_CHUNK);
in += GHASH_CHUNK;
len -= GHASH_CHUNK;
}
+# endif
# endif
if ((i = (len & (size_t)-16))) {
size_t j = i / 16;
(*stream) (in, out, j, key, ctx->Yi.c);
ctr += (unsigned int)j;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
while (j--) {
for (i = 0; i < 16; ++i)
ctx->Xi.c[i] ^= out[i];
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
out += 16;
}
# endif
if (len) {
(*ctx->block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
else
ctx->Yi.d[3] = ctr;
while (len--) {
- ctx->Xi.c[n] ^= out[n] = in[n] ^ ctx->EKi.c[n];
+# if defined(GHASH)
+ ctx->Xn[mres++] = out[n] = in[n] ^ ctx->EKi.c[n];
+# else
+ ctx->Xi.c[mres++] ^= out[n] = in[n] ^ ctx->EKi.c[n];
+# endif
++n;
}
}
- ctx->mres = n;
+ ctx->mres = mres;
return 0;
#endif
}
#if defined(OPENSSL_SMALL_FOOTPRINT)
return CRYPTO_gcm128_decrypt(ctx, in, out, len);
#else
- const union {
- long one;
- char little;
- } is_endian = { 1 };
- unsigned int n, ctr;
+ DECLARE_IS_ENDIAN;
+ unsigned int n, ctr, mres;
size_t i;
u64 mlen = ctx->len.u[1];
void *key = ctx->key;
-# ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-# ifdef GHASH
- void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
- const u8 *inp, size_t len) = ctx->ghash;
-# endif
-# endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
return -1;
ctx->len.u[1] = mlen;
+ mres = ctx->mres;
+
if (ctx->ares) {
/* First call to decrypt finalizes GHASH(AAD) */
- GCM_MUL(ctx, Xi);
+# if defined(GHASH)
+ if (len == 0) {
+ GCM_MUL(ctx);
+ ctx->ares = 0;
+ return 0;
+ }
+ memcpy(ctx->Xn, ctx->Xi.c, sizeof(ctx->Xi));
+ ctx->Xi.u[0] = 0;
+ ctx->Xi.u[1] = 0;
+ mres = sizeof(ctx->Xi);
+# else
+ GCM_MUL(ctx);
+# endif
ctx->ares = 0;
}
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
# else
else
ctr = ctx->Yi.d[3];
- n = ctx->mres;
+ n = mres % 16;
if (n) {
+# if defined(GHASH)
+ while (n && len) {
+ *(out++) = (ctx->Xn[mres++] = *(in++)) ^ ctx->EKi.c[n];
+ --len;
+ n = (n + 1) % 16;
+ }
+ if (n == 0) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ } else {
+ ctx->mres = mres;
+ return 0;
+ }
+# else
while (n && len) {
u8 c = *(in++);
*(out++) = c ^ ctx->EKi.c[n];
--len;
n = (n + 1) % 16;
}
- if (n == 0)
- GCM_MUL(ctx, Xi);
- else {
+ if (n == 0) {
+ GCM_MUL(ctx);
+ mres = 0;
+ } else {
ctx->mres = n;
return 0;
}
+# endif
}
-# if defined(GHASH) && defined(GHASH_CHUNK)
+# if defined(GHASH)
+ if (len >= 16 && mres) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ }
+# if defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
GHASH(ctx, in, GHASH_CHUNK);
(*stream) (in, out, GHASH_CHUNK / 16, key, ctx->Yi.c);
ctr += GHASH_CHUNK / 16;
- if (is_endian.little)
-# ifdef BSWAP4
+ if (IS_LITTLE_ENDIAN)
+# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
-# else
+# else
PUTU32(ctx->Yi.c + 12, ctr);
-# endif
+# endif
else
ctx->Yi.d[3] = ctr;
out += GHASH_CHUNK;
in += GHASH_CHUNK;
len -= GHASH_CHUNK;
}
+# endif
# endif
if ((i = (len & (size_t)-16))) {
size_t j = i / 16;
size_t k;
for (k = 0; k < 16; ++k)
ctx->Xi.c[k] ^= in[k];
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
in += 16;
}
j = i / 16;
# endif
(*stream) (in, out, j, key, ctx->Yi.c);
ctr += (unsigned int)j;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
if (len) {
(*ctx->block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
- if (is_endian.little)
+ if (IS_LITTLE_ENDIAN)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
else
ctx->Yi.d[3] = ctr;
while (len--) {
+# if defined(GHASH)
+ out[n] = (ctx->Xn[mres++] = in[n]) ^ ctx->EKi.c[n];
+# else
u8 c = in[n];
- ctx->Xi.c[n] ^= c;
+ ctx->Xi.c[mres++] ^= c;
out[n] = c ^ ctx->EKi.c[n];
+# endif
++n;
}
}
- ctx->mres = n;
+ ctx->mres = mres;
return 0;
#endif
}
int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
size_t len)
{
- const union {
- long one;
- char little;
- } is_endian = { 1 };
+ DECLARE_IS_ENDIAN;
u64 alen = ctx->len.u[0] << 3;
u64 clen = ctx->len.u[1] << 3;
-#ifdef GCM_FUNCREF_4BIT
- void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
-#endif
+#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ u128 bitlen;
+ unsigned int mres = ctx->mres;
+
+ if (mres) {
+ unsigned blocks = (mres + 15) & -16;
+
+ memset(ctx->Xn + mres, 0, blocks - mres);
+ mres = blocks;
+ if (mres == sizeof(ctx->Xn)) {
+ GHASH(ctx, ctx->Xn, mres);
+ mres = 0;
+ }
+ } else if (ctx->ares) {
+ GCM_MUL(ctx);
+ }
+#else
if (ctx->mres || ctx->ares)
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
+#endif
- if (is_endian.little) {
+ if (IS_LITTLE_ENDIAN) {
#ifdef BSWAP8
alen = BSWAP8(alen);
clen = BSWAP8(clen);
#endif
}
+#if defined(GHASH) && !defined(OPENSSL_SMALL_FOOTPRINT)
+ bitlen.hi = alen;
+ bitlen.lo = clen;
+ memcpy(ctx->Xn + mres, &bitlen, sizeof(bitlen));
+ mres += sizeof(bitlen);
+ GHASH(ctx, ctx->Xn, mres);
+#else
ctx->Xi.u[0] ^= alen;
ctx->Xi.u[1] ^= clen;
- GCM_MUL(ctx, Xi);
+ GCM_MUL(ctx);
+#endif
ctx->Xi.u[0] ^= ctx->EK0.u[0];
ctx->Xi.u[1] ^= ctx->EK0.u[1];
if (tag && len <= sizeof(ctx->Xi))
- return memcmp(ctx->Xi.c, tag, len);
+ return CRYPTO_memcmp(ctx->Xi.c, tag, len);
else
return -1;
}
{
GCM128_CONTEXT *ret;
- if ((ret = OPENSSL_malloc(sizeof(GCM128_CONTEXT))))
+ if ((ret = OPENSSL_malloc(sizeof(*ret))) != NULL)
CRYPTO_gcm128_init(ret, key, block);
return ret;
void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx)
{
- if (ctx) {
- OPENSSL_cleanse(ctx, sizeof(*ctx));
- OPENSSL_free(ctx);
- }
-}
-
-#if defined(SELFTEST)
-# include <stdio.h>
-# include <openssl/aes.h>
-
-/* Test Case 1 */
-static const u8 K1[16], *P1 = NULL, *A1 = NULL, IV1[12], *C1 = NULL;
-static const u8 T1[] = {
- 0x58, 0xe2, 0xfc, 0xce, 0xfa, 0x7e, 0x30, 0x61,
- 0x36, 0x7f, 0x1d, 0x57, 0xa4, 0xe7, 0x45, 0x5a
-};
-
-/* Test Case 2 */
-# define K2 K1
-# define A2 A1
-# define IV2 IV1
-static const u8 P2[16];
-static const u8 C2[] = {
- 0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
- 0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78
-};
-
-static const u8 T2[] = {
- 0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
- 0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf
-};
-
-/* Test Case 3 */
-# define A3 A2
-static const u8 K3[] = {
- 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
- 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08
-};
-
-static const u8 P3[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55
-};
-
-static const u8 IV3[] = {
- 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
- 0xde, 0xca, 0xf8, 0x88
-};
-
-static const u8 C3[] = {
- 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
- 0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
- 0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
- 0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
- 0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
- 0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
- 0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
- 0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85
-};
-
-static const u8 T3[] = {
- 0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6,
- 0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4
-};
-
-/* Test Case 4 */
-# define K4 K3
-# define IV4 IV3
-static const u8 P4[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39
-};
-
-static const u8 A4[] = {
- 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
- 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
- 0xab, 0xad, 0xda, 0xd2
-};
-
-static const u8 C4[] = {
- 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
- 0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
- 0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
- 0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
- 0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
- 0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
- 0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
- 0x3d, 0x58, 0xe0, 0x91
-};
-
-static const u8 T4[] = {
- 0x5b, 0xc9, 0x4f, 0xbc, 0x32, 0x21, 0xa5, 0xdb,
- 0x94, 0xfa, 0xe9, 0x5a, 0xe7, 0x12, 0x1a, 0x47
-};
-
-/* Test Case 5 */
-# define K5 K4
-# define P5 P4
-# define A5 A4
-static const u8 IV5[] = {
- 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad
-};
-
-static const u8 C5[] = {
- 0x61, 0x35, 0x3b, 0x4c, 0x28, 0x06, 0x93, 0x4a,
- 0x77, 0x7f, 0xf5, 0x1f, 0xa2, 0x2a, 0x47, 0x55,
- 0x69, 0x9b, 0x2a, 0x71, 0x4f, 0xcd, 0xc6, 0xf8,
- 0x37, 0x66, 0xe5, 0xf9, 0x7b, 0x6c, 0x74, 0x23,
- 0x73, 0x80, 0x69, 0x00, 0xe4, 0x9f, 0x24, 0xb2,
- 0x2b, 0x09, 0x75, 0x44, 0xd4, 0x89, 0x6b, 0x42,
- 0x49, 0x89, 0xb5, 0xe1, 0xeb, 0xac, 0x0f, 0x07,
- 0xc2, 0x3f, 0x45, 0x98
-};
-
-static const u8 T5[] = {
- 0x36, 0x12, 0xd2, 0xe7, 0x9e, 0x3b, 0x07, 0x85,
- 0x56, 0x1b, 0xe1, 0x4a, 0xac, 0xa2, 0xfc, 0xcb
-};
-
-/* Test Case 6 */
-# define K6 K5
-# define P6 P5
-# define A6 A5
-static const u8 IV6[] = {
- 0x93, 0x13, 0x22, 0x5d, 0xf8, 0x84, 0x06, 0xe5,
- 0x55, 0x90, 0x9c, 0x5a, 0xff, 0x52, 0x69, 0xaa,
- 0x6a, 0x7a, 0x95, 0x38, 0x53, 0x4f, 0x7d, 0xa1,
- 0xe4, 0xc3, 0x03, 0xd2, 0xa3, 0x18, 0xa7, 0x28,
- 0xc3, 0xc0, 0xc9, 0x51, 0x56, 0x80, 0x95, 0x39,
- 0xfc, 0xf0, 0xe2, 0x42, 0x9a, 0x6b, 0x52, 0x54,
- 0x16, 0xae, 0xdb, 0xf5, 0xa0, 0xde, 0x6a, 0x57,
- 0xa6, 0x37, 0xb3, 0x9b
-};
-
-static const u8 C6[] = {
- 0x8c, 0xe2, 0x49, 0x98, 0x62, 0x56, 0x15, 0xb6,
- 0x03, 0xa0, 0x33, 0xac, 0xa1, 0x3f, 0xb8, 0x94,
- 0xbe, 0x91, 0x12, 0xa5, 0xc3, 0xa2, 0x11, 0xa8,
- 0xba, 0x26, 0x2a, 0x3c, 0xca, 0x7e, 0x2c, 0xa7,
- 0x01, 0xe4, 0xa9, 0xa4, 0xfb, 0xa4, 0x3c, 0x90,
- 0xcc, 0xdc, 0xb2, 0x81, 0xd4, 0x8c, 0x7c, 0x6f,
- 0xd6, 0x28, 0x75, 0xd2, 0xac, 0xa4, 0x17, 0x03,
- 0x4c, 0x34, 0xae, 0xe5
-};
-
-static const u8 T6[] = {
- 0x61, 0x9c, 0xc5, 0xae, 0xff, 0xfe, 0x0b, 0xfa,
- 0x46, 0x2a, 0xf4, 0x3c, 0x16, 0x99, 0xd0, 0x50
-};
-
-/* Test Case 7 */
-static const u8 K7[24], *P7 = NULL, *A7 = NULL, IV7[12], *C7 = NULL;
-static const u8 T7[] = {
- 0xcd, 0x33, 0xb2, 0x8a, 0xc7, 0x73, 0xf7, 0x4b,
- 0xa0, 0x0e, 0xd1, 0xf3, 0x12, 0x57, 0x24, 0x35
-};
-
-/* Test Case 8 */
-# define K8 K7
-# define IV8 IV7
-# define A8 A7
-static const u8 P8[16];
-static const u8 C8[] = {
- 0x98, 0xe7, 0x24, 0x7c, 0x07, 0xf0, 0xfe, 0x41,
- 0x1c, 0x26, 0x7e, 0x43, 0x84, 0xb0, 0xf6, 0x00
-};
-
-static const u8 T8[] = {
- 0x2f, 0xf5, 0x8d, 0x80, 0x03, 0x39, 0x27, 0xab,
- 0x8e, 0xf4, 0xd4, 0x58, 0x75, 0x14, 0xf0, 0xfb
-};
-
-/* Test Case 9 */
-# define A9 A8
-static const u8 K9[] = {
- 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
- 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
- 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c
-};
-
-static const u8 P9[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55
-};
-
-static const u8 IV9[] = {
- 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
- 0xde, 0xca, 0xf8, 0x88
-};
-
-static const u8 C9[] = {
- 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41,
- 0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57,
- 0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84,
- 0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c,
- 0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25,
- 0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47,
- 0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9,
- 0xcc, 0xda, 0x27, 0x10, 0xac, 0xad, 0xe2, 0x56
-};
-
-static const u8 T9[] = {
- 0x99, 0x24, 0xa7, 0xc8, 0x58, 0x73, 0x36, 0xbf,
- 0xb1, 0x18, 0x02, 0x4d, 0xb8, 0x67, 0x4a, 0x14
-};
-
-/* Test Case 10 */
-# define K10 K9
-# define IV10 IV9
-static const u8 P10[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39
-};
-
-static const u8 A10[] = {
- 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
- 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
- 0xab, 0xad, 0xda, 0xd2
-};
-
-static const u8 C10[] = {
- 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41,
- 0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57,
- 0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84,
- 0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c,
- 0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25,
- 0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47,
- 0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9,
- 0xcc, 0xda, 0x27, 0x10
-};
-
-static const u8 T10[] = {
- 0x25, 0x19, 0x49, 0x8e, 0x80, 0xf1, 0x47, 0x8f,
- 0x37, 0xba, 0x55, 0xbd, 0x6d, 0x27, 0x61, 0x8c
-};
-
-/* Test Case 11 */
-# define K11 K10
-# define P11 P10
-# define A11 A10
-static const u8 IV11[] = { 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad };
-
-static const u8 C11[] = {
- 0x0f, 0x10, 0xf5, 0x99, 0xae, 0x14, 0xa1, 0x54,
- 0xed, 0x24, 0xb3, 0x6e, 0x25, 0x32, 0x4d, 0xb8,
- 0xc5, 0x66, 0x63, 0x2e, 0xf2, 0xbb, 0xb3, 0x4f,
- 0x83, 0x47, 0x28, 0x0f, 0xc4, 0x50, 0x70, 0x57,
- 0xfd, 0xdc, 0x29, 0xdf, 0x9a, 0x47, 0x1f, 0x75,
- 0xc6, 0x65, 0x41, 0xd4, 0xd4, 0xda, 0xd1, 0xc9,
- 0xe9, 0x3a, 0x19, 0xa5, 0x8e, 0x8b, 0x47, 0x3f,
- 0xa0, 0xf0, 0x62, 0xf7
-};
-
-static const u8 T11[] = {
- 0x65, 0xdc, 0xc5, 0x7f, 0xcf, 0x62, 0x3a, 0x24,
- 0x09, 0x4f, 0xcc, 0xa4, 0x0d, 0x35, 0x33, 0xf8
-};
-
-/* Test Case 12 */
-# define K12 K11
-# define P12 P11
-# define A12 A11
-static const u8 IV12[] = {
- 0x93, 0x13, 0x22, 0x5d, 0xf8, 0x84, 0x06, 0xe5,
- 0x55, 0x90, 0x9c, 0x5a, 0xff, 0x52, 0x69, 0xaa,
- 0x6a, 0x7a, 0x95, 0x38, 0x53, 0x4f, 0x7d, 0xa1,
- 0xe4, 0xc3, 0x03, 0xd2, 0xa3, 0x18, 0xa7, 0x28,
- 0xc3, 0xc0, 0xc9, 0x51, 0x56, 0x80, 0x95, 0x39,
- 0xfc, 0xf0, 0xe2, 0x42, 0x9a, 0x6b, 0x52, 0x54,
- 0x16, 0xae, 0xdb, 0xf5, 0xa0, 0xde, 0x6a, 0x57,
- 0xa6, 0x37, 0xb3, 0x9b
-};
-
-static const u8 C12[] = {
- 0xd2, 0x7e, 0x88, 0x68, 0x1c, 0xe3, 0x24, 0x3c,
- 0x48, 0x30, 0x16, 0x5a, 0x8f, 0xdc, 0xf9, 0xff,
- 0x1d, 0xe9, 0xa1, 0xd8, 0xe6, 0xb4, 0x47, 0xef,
- 0x6e, 0xf7, 0xb7, 0x98, 0x28, 0x66, 0x6e, 0x45,
- 0x81, 0xe7, 0x90, 0x12, 0xaf, 0x34, 0xdd, 0xd9,
- 0xe2, 0xf0, 0x37, 0x58, 0x9b, 0x29, 0x2d, 0xb3,
- 0xe6, 0x7c, 0x03, 0x67, 0x45, 0xfa, 0x22, 0xe7,
- 0xe9, 0xb7, 0x37, 0x3b
-};
-
-static const u8 T12[] = {
- 0xdc, 0xf5, 0x66, 0xff, 0x29, 0x1c, 0x25, 0xbb,
- 0xb8, 0x56, 0x8f, 0xc3, 0xd3, 0x76, 0xa6, 0xd9
-};
-
-/* Test Case 13 */
-static const u8 K13[32], *P13 = NULL, *A13 = NULL, IV13[12], *C13 = NULL;
-static const u8 T13[] = {
- 0x53, 0x0f, 0x8a, 0xfb, 0xc7, 0x45, 0x36, 0xb9,
- 0xa9, 0x63, 0xb4, 0xf1, 0xc4, 0xcb, 0x73, 0x8b
-};
-
-/* Test Case 14 */
-# define K14 K13
-# define A14 A13
-static const u8 P14[16], IV14[12];
-static const u8 C14[] = {
- 0xce, 0xa7, 0x40, 0x3d, 0x4d, 0x60, 0x6b, 0x6e,
- 0x07, 0x4e, 0xc5, 0xd3, 0xba, 0xf3, 0x9d, 0x18
-};
-
-static const u8 T14[] = {
- 0xd0, 0xd1, 0xc8, 0xa7, 0x99, 0x99, 0x6b, 0xf0,
- 0x26, 0x5b, 0x98, 0xb5, 0xd4, 0x8a, 0xb9, 0x19
-};
-
-/* Test Case 15 */
-# define A15 A14
-static const u8 K15[] = {
- 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
- 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
- 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
- 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08
-};
-
-static const u8 P15[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55
-};
-
-static const u8 IV15[] = {
- 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
- 0xde, 0xca, 0xf8, 0x88
-};
-
-static const u8 C15[] = {
- 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
- 0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
- 0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
- 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
- 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
- 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
- 0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
- 0xbc, 0xc9, 0xf6, 0x62, 0x89, 0x80, 0x15, 0xad
-};
-
-static const u8 T15[] = {
- 0xb0, 0x94, 0xda, 0xc5, 0xd9, 0x34, 0x71, 0xbd,
- 0xec, 0x1a, 0x50, 0x22, 0x70, 0xe3, 0xcc, 0x6c
-};
-
-/* Test Case 16 */
-# define K16 K15
-# define IV16 IV15
-static const u8 P16[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39
-};
-
-static const u8 A16[] = {
- 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
- 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
- 0xab, 0xad, 0xda, 0xd2
-};
-
-static const u8 C16[] = {
- 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
- 0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
- 0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
- 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
- 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
- 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
- 0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
- 0xbc, 0xc9, 0xf6, 0x62
-};
-
-static const u8 T16[] = {
- 0x76, 0xfc, 0x6e, 0xce, 0x0f, 0x4e, 0x17, 0x68,
- 0xcd, 0xdf, 0x88, 0x53, 0xbb, 0x2d, 0x55, 0x1b
-};
-
-/* Test Case 17 */
-# define K17 K16
-# define P17 P16
-# define A17 A16
-static const u8 IV17[] = { 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad };
-
-static const u8 C17[] = {
- 0xc3, 0x76, 0x2d, 0xf1, 0xca, 0x78, 0x7d, 0x32,
- 0xae, 0x47, 0xc1, 0x3b, 0xf1, 0x98, 0x44, 0xcb,
- 0xaf, 0x1a, 0xe1, 0x4d, 0x0b, 0x97, 0x6a, 0xfa,
- 0xc5, 0x2f, 0xf7, 0xd7, 0x9b, 0xba, 0x9d, 0xe0,
- 0xfe, 0xb5, 0x82, 0xd3, 0x39, 0x34, 0xa4, 0xf0,
- 0x95, 0x4c, 0xc2, 0x36, 0x3b, 0xc7, 0x3f, 0x78,
- 0x62, 0xac, 0x43, 0x0e, 0x64, 0xab, 0xe4, 0x99,
- 0xf4, 0x7c, 0x9b, 0x1f
-};
-
-static const u8 T17[] = {
- 0x3a, 0x33, 0x7d, 0xbf, 0x46, 0xa7, 0x92, 0xc4,
- 0x5e, 0x45, 0x49, 0x13, 0xfe, 0x2e, 0xa8, 0xf2
-};
-
-/* Test Case 18 */
-# define K18 K17
-# define P18 P17
-# define A18 A17
-static const u8 IV18[] = {
- 0x93, 0x13, 0x22, 0x5d, 0xf8, 0x84, 0x06, 0xe5,
- 0x55, 0x90, 0x9c, 0x5a, 0xff, 0x52, 0x69, 0xaa,
- 0x6a, 0x7a, 0x95, 0x38, 0x53, 0x4f, 0x7d, 0xa1,
- 0xe4, 0xc3, 0x03, 0xd2, 0xa3, 0x18, 0xa7, 0x28,
- 0xc3, 0xc0, 0xc9, 0x51, 0x56, 0x80, 0x95, 0x39,
- 0xfc, 0xf0, 0xe2, 0x42, 0x9a, 0x6b, 0x52, 0x54,
- 0x16, 0xae, 0xdb, 0xf5, 0xa0, 0xde, 0x6a, 0x57,
- 0xa6, 0x37, 0xb3, 0x9b
-};
-
-static const u8 C18[] = {
- 0x5a, 0x8d, 0xef, 0x2f, 0x0c, 0x9e, 0x53, 0xf1,
- 0xf7, 0x5d, 0x78, 0x53, 0x65, 0x9e, 0x2a, 0x20,
- 0xee, 0xb2, 0xb2, 0x2a, 0xaf, 0xde, 0x64, 0x19,
- 0xa0, 0x58, 0xab, 0x4f, 0x6f, 0x74, 0x6b, 0xf4,
- 0x0f, 0xc0, 0xc3, 0xb7, 0x80, 0xf2, 0x44, 0x45,
- 0x2d, 0xa3, 0xeb, 0xf1, 0xc5, 0xd8, 0x2c, 0xde,
- 0xa2, 0x41, 0x89, 0x97, 0x20, 0x0e, 0xf8, 0x2e,
- 0x44, 0xae, 0x7e, 0x3f
-};
-
-static const u8 T18[] = {
- 0xa4, 0x4a, 0x82, 0x66, 0xee, 0x1c, 0x8e, 0xb0,
- 0xc8, 0xb5, 0xd4, 0xcf, 0x5a, 0xe9, 0xf1, 0x9a
-};
-
-/* Test Case 19 */
-# define K19 K1
-# define P19 P1
-# define IV19 IV1
-# define C19 C1
-static const u8 A19[] = {
- 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
- 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
- 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
- 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
- 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
- 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
- 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
- 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55,
- 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
- 0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
- 0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
- 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
- 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
- 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
- 0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
- 0xbc, 0xc9, 0xf6, 0x62, 0x89, 0x80, 0x15, 0xad
-};
-
-static const u8 T19[] = {
- 0x5f, 0xea, 0x79, 0x3a, 0x2d, 0x6f, 0x97, 0x4d,
- 0x37, 0xe6, 0x8e, 0x0c, 0xb8, 0xff, 0x94, 0x92
-};
-
-/* Test Case 20 */
-# define K20 K1
-# define A20 A1
-/* this results in 0xff in counter LSB */
-static const u8 IV20[64] = { 0xff, 0xff, 0xff, 0xff };
-
-static const u8 P20[288];
-static const u8 C20[] = {
- 0x56, 0xb3, 0x37, 0x3c, 0xa9, 0xef, 0x6e, 0x4a,
- 0x2b, 0x64, 0xfe, 0x1e, 0x9a, 0x17, 0xb6, 0x14,
- 0x25, 0xf1, 0x0d, 0x47, 0xa7, 0x5a, 0x5f, 0xce,
- 0x13, 0xef, 0xc6, 0xbc, 0x78, 0x4a, 0xf2, 0x4f,
- 0x41, 0x41, 0xbd, 0xd4, 0x8c, 0xf7, 0xc7, 0x70,
- 0x88, 0x7a, 0xfd, 0x57, 0x3c, 0xca, 0x54, 0x18,
- 0xa9, 0xae, 0xff, 0xcd, 0x7c, 0x5c, 0xed, 0xdf,
- 0xc6, 0xa7, 0x83, 0x97, 0xb9, 0xa8, 0x5b, 0x49,
- 0x9d, 0xa5, 0x58, 0x25, 0x72, 0x67, 0xca, 0xab,
- 0x2a, 0xd0, 0xb2, 0x3c, 0xa4, 0x76, 0xa5, 0x3c,
- 0xb1, 0x7f, 0xb4, 0x1c, 0x4b, 0x8b, 0x47, 0x5c,
- 0xb4, 0xf3, 0xf7, 0x16, 0x50, 0x94, 0xc2, 0x29,
- 0xc9, 0xe8, 0xc4, 0xdc, 0x0a, 0x2a, 0x5f, 0xf1,
- 0x90, 0x3e, 0x50, 0x15, 0x11, 0x22, 0x13, 0x76,
- 0xa1, 0xcd, 0xb8, 0x36, 0x4c, 0x50, 0x61, 0xa2,
- 0x0c, 0xae, 0x74, 0xbc, 0x4a, 0xcd, 0x76, 0xce,
- 0xb0, 0xab, 0xc9, 0xfd, 0x32, 0x17, 0xef, 0x9f,
- 0x8c, 0x90, 0xbe, 0x40, 0x2d, 0xdf, 0x6d, 0x86,
- 0x97, 0xf4, 0xf8, 0x80, 0xdf, 0xf1, 0x5b, 0xfb,
- 0x7a, 0x6b, 0x28, 0x24, 0x1e, 0xc8, 0xfe, 0x18,
- 0x3c, 0x2d, 0x59, 0xe3, 0xf9, 0xdf, 0xff, 0x65,
- 0x3c, 0x71, 0x26, 0xf0, 0xac, 0xb9, 0xe6, 0x42,
- 0x11, 0xf4, 0x2b, 0xae, 0x12, 0xaf, 0x46, 0x2b,
- 0x10, 0x70, 0xbe, 0xf1, 0xab, 0x5e, 0x36, 0x06,
- 0x87, 0x2c, 0xa1, 0x0d, 0xee, 0x15, 0xb3, 0x24,
- 0x9b, 0x1a, 0x1b, 0x95, 0x8f, 0x23, 0x13, 0x4c,
- 0x4b, 0xcc, 0xb7, 0xd0, 0x32, 0x00, 0xbc, 0xe4,
- 0x20, 0xa2, 0xf8, 0xeb, 0x66, 0xdc, 0xf3, 0x64,
- 0x4d, 0x14, 0x23, 0xc1, 0xb5, 0x69, 0x90, 0x03,
- 0xc1, 0x3e, 0xce, 0xf4, 0xbf, 0x38, 0xa3, 0xb6,
- 0x0e, 0xed, 0xc3, 0x40, 0x33, 0xba, 0xc1, 0x90,
- 0x27, 0x83, 0xdc, 0x6d, 0x89, 0xe2, 0xe7, 0x74,
- 0x18, 0x8a, 0x43, 0x9c, 0x7e, 0xbc, 0xc0, 0x67,
- 0x2d, 0xbd, 0xa4, 0xdd, 0xcf, 0xb2, 0x79, 0x46,
- 0x13, 0xb0, 0xbe, 0x41, 0x31, 0x5e, 0xf7, 0x78,
- 0x70, 0x8a, 0x70, 0xee, 0x7d, 0x75, 0x16, 0x5c
-};
-
-static const u8 T20[] = {
- 0x8b, 0x30, 0x7f, 0x6b, 0x33, 0x28, 0x6d, 0x0a,
- 0xb0, 0x26, 0xa9, 0xed, 0x3f, 0xe1, 0xe8, 0x5f
-};
-
-# define TEST_CASE(n) do { \
- u8 out[sizeof(P##n)]; \
- AES_set_encrypt_key(K##n,sizeof(K##n)*8,&key); \
- CRYPTO_gcm128_init(&ctx,&key,(block128_f)AES_encrypt); \
- CRYPTO_gcm128_setiv(&ctx,IV##n,sizeof(IV##n)); \
- memset(out,0,sizeof(out)); \
- if (A##n) CRYPTO_gcm128_aad(&ctx,A##n,sizeof(A##n)); \
- if (P##n) CRYPTO_gcm128_encrypt(&ctx,P##n,out,sizeof(out)); \
- if (CRYPTO_gcm128_finish(&ctx,T##n,16) || \
- (C##n && memcmp(out,C##n,sizeof(out)))) \
- ret++, printf ("encrypt test#%d failed.\n",n); \
- CRYPTO_gcm128_setiv(&ctx,IV##n,sizeof(IV##n)); \
- memset(out,0,sizeof(out)); \
- if (A##n) CRYPTO_gcm128_aad(&ctx,A##n,sizeof(A##n)); \
- if (C##n) CRYPTO_gcm128_decrypt(&ctx,C##n,out,sizeof(out)); \
- if (CRYPTO_gcm128_finish(&ctx,T##n,16) || \
- (P##n && memcmp(out,P##n,sizeof(out)))) \
- ret++, printf ("decrypt test#%d failed.\n",n); \
- } while(0)
-
-int main()
-{
- GCM128_CONTEXT ctx;
- AES_KEY key;
- int ret = 0;
-
- TEST_CASE(1);
- TEST_CASE(2);
- TEST_CASE(3);
- TEST_CASE(4);
- TEST_CASE(5);
- TEST_CASE(6);
- TEST_CASE(7);
- TEST_CASE(8);
- TEST_CASE(9);
- TEST_CASE(10);
- TEST_CASE(11);
- TEST_CASE(12);
- TEST_CASE(13);
- TEST_CASE(14);
- TEST_CASE(15);
- TEST_CASE(16);
- TEST_CASE(17);
- TEST_CASE(18);
- TEST_CASE(19);
- TEST_CASE(20);
-
-# ifdef OPENSSL_CPUID_OBJ
- {
- size_t start, stop, gcm_t, ctr_t, OPENSSL_rdtsc();
- union {
- u64 u;
- u8 c[1024];
- } buf;
- int i;
-
- AES_set_encrypt_key(K1, sizeof(K1) * 8, &key);
- CRYPTO_gcm128_init(&ctx, &key, (block128_f) AES_encrypt);
- CRYPTO_gcm128_setiv(&ctx, IV1, sizeof(IV1));
-
- CRYPTO_gcm128_encrypt(&ctx, buf.c, buf.c, sizeof(buf));
- start = OPENSSL_rdtsc();
- CRYPTO_gcm128_encrypt(&ctx, buf.c, buf.c, sizeof(buf));
- gcm_t = OPENSSL_rdtsc() - start;
-
- CRYPTO_ctr128_encrypt(buf.c, buf.c, sizeof(buf),
- &key, ctx.Yi.c, ctx.EKi.c, &ctx.mres,
- (block128_f) AES_encrypt);
- start = OPENSSL_rdtsc();
- CRYPTO_ctr128_encrypt(buf.c, buf.c, sizeof(buf),
- &key, ctx.Yi.c, ctx.EKi.c, &ctx.mres,
- (block128_f) AES_encrypt);
- ctr_t = OPENSSL_rdtsc() - start;
-
- printf("%.2f-%.2f=%.2f\n",
- gcm_t / (double)sizeof(buf),
- ctr_t / (double)sizeof(buf),
- (gcm_t - ctr_t) / (double)sizeof(buf));
-# ifdef GHASH
- {
- void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
- const u8 *inp, size_t len) = ctx.ghash;
-
- GHASH((&ctx), buf.c, sizeof(buf));
- start = OPENSSL_rdtsc();
- for (i = 0; i < 100; ++i)
- GHASH((&ctx), buf.c, sizeof(buf));
- gcm_t = OPENSSL_rdtsc() - start;
- printf("%.2f\n", gcm_t / (double)sizeof(buf) / (double)i);
- }
-# endif
- }
-# endif
-
- return ret;
+ OPENSSL_clear_free(ctx, sizeof(*ctx));
}
-#endif