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-rw-r--r--arch/arm/kernel/armksyms.c3
-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c4
-rw-r--r--arch/arm/mach-ixp4xx/coyote-setup.c27
-rw-r--r--arch/arm/mach-ixp4xx/ixdp425-setup.c3
-rw-r--r--arch/arm/mm/proc-v6.S2
-rw-r--r--arch/ppc/syslib/of_device.c15
-rw-r--r--arch/ppc64/kernel/of_device.c15
-rw-r--r--arch/x86_64/Makefile4
-rw-r--r--arch/x86_64/crypto/Makefile9
-rw-r--r--arch/x86_64/crypto/aes-x86_64-asm.S186
-rw-r--r--arch/x86_64/crypto/aes.c324
11 files changed, 561 insertions, 31 deletions
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index b713c44c6fb4..835d450797a1 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -41,7 +41,10 @@ extern void fp_enter(void);
* This has a special calling convention; it doesn't
* modify any of the usual registers, except for LR.
*/
+#define EXPORT_CRC_ALIAS(sym) __CRC_SYMBOL(sym, "")
+
#define EXPORT_SYMBOL_ALIAS(sym,orig) \
+ EXPORT_CRC_ALIAS(sym) \
const struct kernel_symbol __ksymtab_##sym \
__attribute__((section("__ksymtab"))) = \
{ (unsigned long)&orig, #sym };
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index aa92e3708838..2b544363c078 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -453,8 +453,8 @@ int ixp4xx_setup(int nr, struct pci_sys_data *sys)
local_write_config(PCI_COMMAND, 2, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
res[0].name = "PCI I/O Space";
- res[0].start = 0x00001000;
- res[0].end = 0xffff0000;
+ res[0].start = 0x00000000;
+ res[0].end = 0x0000ffff;
res[0].flags = IORESOURCE_IO;
res[1].name = "PCI Memory Space";
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
index c6335f51907d..4ff4393ef0ea 100644
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -56,21 +56,24 @@ static struct resource coyote_uart_resource = {
.flags = IORESOURCE_MEM,
};
-static struct plat_serial8250_port coyote_uart_data = {
- .mapbase = IXP4XX_UART2_BASE_PHYS,
- .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
- .irq = IRQ_IXP4XX_UART2,
- .flags = UPF_BOOT_AUTOCONF,
- .iotype = UPIO_MEM,
- .regshift = 2,
- .uartclk = IXP4XX_UART_XTAL,
+static struct plat_serial8250_port coyote_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { },
};
static struct platform_device coyote_uart = {
.name = "serial8250",
.id = 0,
.dev = {
- .platform_data = &coyote_uart_data,
+ .platform_data = coyote_uart_data,
},
.num_resources = 1,
.resource = &coyote_uart_resource,
@@ -87,10 +90,10 @@ static void __init coyote_init(void)
*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
if (machine_is_ixdpg425()) {
- coyote_uart_data.membase =
+ coyote_uart_data[0].membase =
(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
- coyote_uart_data.mapbase = IXP4XX_UART1_BASE_PHYS;
- coyote_uart_data.irq = IRQ_IXP4XX_UART1;
+ coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
+ coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
}
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index f2e9c0ea0501..c2ba759e9946 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -95,7 +95,8 @@ static struct plat_serial8250_port ixdp425_uart_data[] = {
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
- }
+ },
+ { },
};
static struct platform_device ixdp425_uart = {
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index e3d8510f4340..352db98ee269 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -200,7 +200,7 @@ __v6_setup:
mcr p15, 0, r4, c2, c0, 1 @ load TTB1
#ifdef CONFIG_VFP
mrc p15, 0, r0, c1, c0, 2
- orr r0, r0, #(3 << 20)
+ orr r0, r0, #(0xf << 20)
mcr p15, 0, r0, c1, c0, 2 @ Enable full access to VFP
#endif
mrc p15, 0, r0, c1, c0, 0 @ read control register
diff --git a/arch/ppc/syslib/of_device.c b/arch/ppc/syslib/of_device.c
index 49c0e34e2d6b..1eb4f726ca9f 100644
--- a/arch/ppc/syslib/of_device.c
+++ b/arch/ppc/syslib/of_device.c
@@ -3,6 +3,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <asm/errno.h>
#include <asm/of_device.h>
@@ -15,20 +16,20 @@
* Used by a driver to check whether an of_device present in the
* system is in its list of supported devices.
*/
-const struct of_match * of_match_device(const struct of_match *matches,
+const struct of_device_id * of_match_device(const struct of_device_id *matches,
const struct of_device *dev)
{
if (!dev->node)
return NULL;
- while (matches->name || matches->type || matches->compatible) {
+ while (matches->name[0] || matches->type[0] || matches->compatible[0]) {
int match = 1;
- if (matches->name && matches->name != OF_ANY_MATCH)
+ if (matches->name[0])
match &= dev->node->name
&& !strcmp(matches->name, dev->node->name);
- if (matches->type && matches->type != OF_ANY_MATCH)
+ if (matches->type[0])
match &= dev->node->type
&& !strcmp(matches->type, dev->node->type);
- if (matches->compatible && matches->compatible != OF_ANY_MATCH)
+ if (matches->compatible[0])
match &= device_is_compatible(dev->node,
matches->compatible);
if (match)
@@ -42,7 +43,7 @@ static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
{
struct of_device * of_dev = to_of_device(dev);
struct of_platform_driver * of_drv = to_of_platform_driver(drv);
- const struct of_match * matches = of_drv->match_table;
+ const struct of_device_id * matches = of_drv->match_table;
if (!matches)
return 0;
@@ -75,7 +76,7 @@ static int of_device_probe(struct device *dev)
int error = -ENODEV;
struct of_platform_driver *drv;
struct of_device *of_dev;
- const struct of_match *match;
+ const struct of_device_id *match;
drv = to_of_platform_driver(dev->driver);
of_dev = to_of_device(dev);
diff --git a/arch/ppc64/kernel/of_device.c b/arch/ppc64/kernel/of_device.c
index 66bd5ab7c25a..b80e81984ba8 100644
--- a/arch/ppc64/kernel/of_device.c
+++ b/arch/ppc64/kernel/of_device.c
@@ -3,6 +3,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <asm/errno.h>
#include <asm/of_device.h>
@@ -15,20 +16,20 @@
* Used by a driver to check whether an of_device present in the
* system is in its list of supported devices.
*/
-const struct of_match * of_match_device(const struct of_match *matches,
+const struct of_device_id *of_match_device(const struct of_device_id *matches,
const struct of_device *dev)
{
if (!dev->node)
return NULL;
- while (matches->name || matches->type || matches->compatible) {
+ while (matches->name[0] || matches->type[0] || matches->compatible[0]) {
int match = 1;
- if (matches->name && matches->name != OF_ANY_MATCH)
+ if (matches->name[0])
match &= dev->node->name
&& !strcmp(matches->name, dev->node->name);
- if (matches->type && matches->type != OF_ANY_MATCH)
+ if (matches->type[0])
match &= dev->node->type
&& !strcmp(matches->type, dev->node->type);
- if (matches->compatible && matches->compatible != OF_ANY_MATCH)
+ if (matches->compatible[0])
match &= device_is_compatible(dev->node,
matches->compatible);
if (match)
@@ -42,7 +43,7 @@ static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
{
struct of_device * of_dev = to_of_device(dev);
struct of_platform_driver * of_drv = to_of_platform_driver(drv);
- const struct of_match * matches = of_drv->match_table;
+ const struct of_device_id * matches = of_drv->match_table;
if (!matches)
return 0;
@@ -75,7 +76,7 @@ static int of_device_probe(struct device *dev)
int error = -ENODEV;
struct of_platform_driver *drv;
struct of_device *of_dev;
- const struct of_match *match;
+ const struct of_device_id *match;
drv = to_of_platform_driver(dev->driver);
of_dev = to_of_device(dev);
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 8a73794f9b90..428915697675 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -65,7 +65,9 @@ CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
libs-y += arch/x86_64/lib/
-core-y += arch/x86_64/kernel/ arch/x86_64/mm/
+core-y += arch/x86_64/kernel/ \
+ arch/x86_64/mm/ \
+ arch/x86_64/crypto/
core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/
drivers-$(CONFIG_PCI) += arch/x86_64/pci/
drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/
diff --git a/arch/x86_64/crypto/Makefile b/arch/x86_64/crypto/Makefile
new file mode 100644
index 000000000000..426d20f4b72e
--- /dev/null
+++ b/arch/x86_64/crypto/Makefile
@@ -0,0 +1,9 @@
+#
+# x86_64/crypto/Makefile
+#
+# Arch-specific CryptoAPI modules.
+#
+
+obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
+
+aes-x86_64-y := aes-x86_64-asm.o aes.o
diff --git a/arch/x86_64/crypto/aes-x86_64-asm.S b/arch/x86_64/crypto/aes-x86_64-asm.S
new file mode 100644
index 000000000000..483cbb23ab8d
--- /dev/null
+++ b/arch/x86_64/crypto/aes-x86_64-asm.S
@@ -0,0 +1,186 @@
+/* AES (Rijndael) implementation (FIPS PUB 197) for x86_64
+ *
+ * Copyright (C) 2005 Andreas Steinmetz, <ast@domdv.de>
+ *
+ * License:
+ * This code can be distributed under the terms of the GNU General Public
+ * License (GPL) Version 2 provided that the above header down to and
+ * including this sentence is retained in full.
+ */
+
+.extern aes_ft_tab
+.extern aes_it_tab
+.extern aes_fl_tab
+.extern aes_il_tab
+
+.text
+
+#define R1 %rax
+#define R1E %eax
+#define R1X %ax
+#define R1H %ah
+#define R1L %al
+#define R2 %rbx
+#define R2E %ebx
+#define R2X %bx
+#define R2H %bh
+#define R2L %bl
+#define R3 %rcx
+#define R3E %ecx
+#define R3X %cx
+#define R3H %ch
+#define R3L %cl
+#define R4 %rdx
+#define R4E %edx
+#define R4X %dx
+#define R4H %dh
+#define R4L %dl
+#define R5 %rsi
+#define R5E %esi
+#define R6 %rdi
+#define R6E %edi
+#define R7 %rbp
+#define R7E %ebp
+#define R8 %r8
+#define R9 %r9
+#define R10 %r10
+#define R11 %r11
+
+#define prologue(FUNC,BASE,B128,B192,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11) \
+ .global FUNC; \
+ .type FUNC,@function; \
+ .align 8; \
+FUNC: movq r1,r2; \
+ movq r3,r4; \
+ leaq BASE+52(r8),r9; \
+ movq r10,r11; \
+ movl (r7),r5 ## E; \
+ movl 4(r7),r1 ## E; \
+ movl 8(r7),r6 ## E; \
+ movl 12(r7),r7 ## E; \
+ movl (r8),r10 ## E; \
+ xorl -48(r9),r5 ## E; \
+ xorl -44(r9),r1 ## E; \
+ xorl -40(r9),r6 ## E; \
+ xorl -36(r9),r7 ## E; \
+ cmpl $24,r10 ## E; \
+ jb B128; \
+ leaq 32(r9),r9; \
+ je B192; \
+ leaq 32(r9),r9;
+
+#define epilogue(r1,r2,r3,r4,r5,r6,r7,r8,r9) \
+ movq r1,r2; \
+ movq r3,r4; \
+ movl r5 ## E,(r9); \
+ movl r6 ## E,4(r9); \
+ movl r7 ## E,8(r9); \
+ movl r8 ## E,12(r9); \
+ ret;
+
+#define round(TAB,OFFSET,r1,r2,r3,r4,r5,r6,r7,r8,ra,rb,rc,rd) \
+ movzbl r2 ## H,r5 ## E; \
+ movzbl r2 ## L,r6 ## E; \
+ movl TAB+1024(,r5,4),r5 ## E;\
+ movw r4 ## X,r2 ## X; \
+ movl TAB(,r6,4),r6 ## E; \
+ roll $16,r2 ## E; \
+ shrl $16,r4 ## E; \
+ movzbl r4 ## H,r7 ## E; \
+ movzbl r4 ## L,r4 ## E; \
+ xorl OFFSET(r8),ra ## E; \
+ xorl OFFSET+4(r8),rb ## E; \
+ xorl TAB+3072(,r7,4),r5 ## E;\
+ xorl TAB+2048(,r4,4),r6 ## E;\
+ movzbl r1 ## L,r7 ## E; \
+ movzbl r1 ## H,r4 ## E; \
+ movl TAB+1024(,r4,4),r4 ## E;\
+ movw r3 ## X,r1 ## X; \
+ roll $16,r1 ## E; \
+ shrl $16,r3 ## E; \
+ xorl TAB(,r7,4),r5 ## E; \
+ movzbl r3 ## H,r7 ## E; \
+ movzbl r3 ## L,r3 ## E; \
+ xorl TAB+3072(,r7,4),r4 ## E;\
+ xorl TAB+2048(,r3,4),r5 ## E;\
+ movzbl r1 ## H,r7 ## E; \
+ movzbl r1 ## L,r3 ## E; \
+ shrl $16,r1 ## E; \
+ xorl TAB+3072(,r7,4),r6 ## E;\
+ movl TAB+2048(,r3,4),r3 ## E;\
+ movzbl r1 ## H,r7 ## E; \
+ movzbl r1 ## L,r1 ## E; \
+ xorl TAB+1024(,r7,4),r6 ## E;\
+ xorl TAB(,r1,4),r3 ## E; \
+ movzbl r2 ## H,r1 ## E; \
+ movzbl r2 ## L,r7 ## E; \
+ shrl $16,r2 ## E; \
+ xorl TAB+3072(,r1,4),r3 ## E;\
+ xorl TAB+2048(,r7,4),r4 ## E;\
+ movzbl r2 ## H,r1 ## E; \
+ movzbl r2 ## L,r2 ## E; \
+ xorl OFFSET+8(r8),rc ## E; \
+ xorl OFFSET+12(r8),rd ## E; \
+ xorl TAB+1024(,r1,4),r3 ## E;\
+ xorl TAB(,r2,4),r4 ## E;
+
+#define move_regs(r1,r2,r3,r4) \
+ movl r3 ## E,r1 ## E; \
+ movl r4 ## E,r2 ## E;
+
+#define entry(FUNC,BASE,B128,B192) \
+ prologue(FUNC,BASE,B128,B192,R2,R8,R7,R9,R1,R3,R4,R6,R10,R5,R11)
+
+#define return epilogue(R8,R2,R9,R7,R5,R6,R3,R4,R11)
+
+#define encrypt_round(TAB,OFFSET) \
+ round(TAB,OFFSET,R1,R2,R3,R4,R5,R6,R7,R10,R5,R6,R3,R4) \
+ move_regs(R1,R2,R5,R6)
+
+#define encrypt_final(TAB,OFFSET) \
+ round(TAB,OFFSET,R1,R2,R3,R4,R5,R6,R7,R10,R5,R6,R3,R4)
+
+#define decrypt_round(TAB,OFFSET) \
+ round(TAB,OFFSET,R2,R1,R4,R3,R6,R5,R7,R10,R5,R6,R3,R4) \
+ move_regs(R1,R2,R5,R6)
+
+#define decrypt_final(TAB,OFFSET) \
+ round(TAB,OFFSET,R2,R1,R4,R3,R6,R5,R7,R10,R5,R6,R3,R4)
+
+/* void aes_encrypt(void *ctx, u8 *out, const u8 *in) */
+
+ entry(aes_encrypt,0,enc128,enc192)
+ encrypt_round(aes_ft_tab,-96)
+ encrypt_round(aes_ft_tab,-80)
+enc192: encrypt_round(aes_ft_tab,-64)
+ encrypt_round(aes_ft_tab,-48)
+enc128: encrypt_round(aes_ft_tab,-32)
+ encrypt_round(aes_ft_tab,-16)
+ encrypt_round(aes_ft_tab, 0)
+ encrypt_round(aes_ft_tab, 16)
+ encrypt_round(aes_ft_tab, 32)
+ encrypt_round(aes_ft_tab, 48)
+ encrypt_round(aes_ft_tab, 64)
+ encrypt_round(aes_ft_tab, 80)
+ encrypt_round(aes_ft_tab, 96)
+ encrypt_final(aes_fl_tab,112)
+ return
+
+/* void aes_decrypt(void *ctx, u8 *out, const u8 *in) */
+
+ entry(aes_decrypt,240,dec128,dec192)
+ decrypt_round(aes_it_tab,-96)
+ decrypt_round(aes_it_tab,-80)
+dec192: decrypt_round(aes_it_tab,-64)
+ decrypt_round(aes_it_tab,-48)
+dec128: decrypt_round(aes_it_tab,-32)
+ decrypt_round(aes_it_tab,-16)
+ decrypt_round(aes_it_tab, 0)
+ decrypt_round(aes_it_tab, 16)
+ decrypt_round(aes_it_tab, 32)
+ decrypt_round(aes_it_tab, 48)
+ decrypt_round(aes_it_tab, 64)
+ decrypt_round(aes_it_tab, 80)
+ decrypt_round(aes_it_tab, 96)
+ decrypt_final(aes_il_tab,112)
+ return
diff --git a/arch/x86_64/crypto/aes.c b/arch/x86_64/crypto/aes.c
new file mode 100644
index 000000000000..2b5c4010ce38
--- /dev/null
+++ b/arch/x86_64/crypto/aes.c
@@ -0,0 +1,324 @@
+/*
+ * Cryptographic API.
+ *
+ * AES Cipher Algorithm.
+ *
+ * Based on Brian Gladman's code.
+ *
+ * Linux developers:
+ * Alexander Kjeldaas <astor@fast.no>
+ * Herbert Valerio Riedel <hvr@hvrlab.org>
+ * Kyle McMartin <kyle@debian.org>
+ * Adam J. Richter <adam@yggdrasil.com> (conversion to 2.5 API).
+ * Andreas Steinmetz <ast@domdv.de> (adapted to x86_64 assembler)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * ---------------------------------------------------------------------------
+ * Copyright (c) 2002, Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK.
+ * All rights reserved.
+ *
+ * LICENSE TERMS
+ *
+ * The free distribution and use of this software in both source and binary
+ * form is allowed (with or without changes) provided that:
+ *
+ * 1. distributions of this source code include the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ *
+ * 2. distributions in binary form include the above copyright
+ * notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other associated materials;
+ *
+ * 3. the copyright holder's name is not used to endorse products
+ * built using this software without specific written permission.
+ *
+ * ALTERNATIVELY, provided that this notice is retained in full, this product
+ * may be distributed under the terms of the GNU General Public License (GPL),
+ * in which case the provisions of the GPL apply INSTEAD OF those given above.
+ *
+ * DISCLAIMER
+ *
+ * This software is provided 'as is' with no explicit or implied warranties
+ * in respect of its properties, including, but not limited to, correctness
+ * and/or fitness for purpose.
+ * ---------------------------------------------------------------------------
+ */
+
+/* Some changes from the Gladman version:
+ s/RIJNDAEL(e_key)/E_KEY/g
+ s/RIJNDAEL(d_key)/D_KEY/g
+*/
+
+#include <asm/byteorder.h>
+#include <linux/bitops.h>
+#include <linux/crypto.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#define AES_MIN_KEY_SIZE 16
+#define AES_MAX_KEY_SIZE 32
+
+#define AES_BLOCK_SIZE 16
+
+/*
+ * #define byte(x, nr) ((unsigned char)((x) >> (nr*8)))
+ */
+static inline u8 byte(const u32 x, const unsigned n)
+{
+ return x >> (n << 3);
+}
+
+#define u32_in(x) le32_to_cpu(*(const __le32 *)(x))
+
+struct aes_ctx
+{
+ u32 key_length;
+ u32 E[60];
+ u32 D[60];
+};
+
+#define E_KEY ctx->E
+#define D_KEY ctx->D
+
+static u8 pow_tab[256] __initdata;
+static u8 log_tab[256] __initdata;
+static u8 sbx_tab[256] __initdata;
+static u8 isb_tab[256] __initdata;
+static u32 rco_tab[10];
+u32 aes_ft_tab[4][256];
+u32 aes_it_tab[4][256];
+
+u32 aes_fl_tab[4][256];
+u32 aes_il_tab[4][256];
+
+static inline u8 f_mult(u8 a, u8 b)
+{
+ u8 aa = log_tab[a], cc = aa + log_tab[b];
+
+ return pow_tab[cc + (cc < aa ? 1 : 0)];
+}
+
+#define ff_mult(a, b) (a && b ? f_mult(a, b) : 0)
+
+#define ls_box(x) \
+ (aes_fl_tab[0][byte(x, 0)] ^ \
+ aes_fl_tab[1][byte(x, 1)] ^ \
+ aes_fl_tab[2][byte(x, 2)] ^ \
+ aes_fl_tab[3][byte(x, 3)])
+
+static void __init gen_tabs(void)
+{
+ u32 i, t;
+ u8 p, q;
+
+ /* log and power tables for GF(2**8) finite field with
+ 0x011b as modular polynomial - the simplest primitive
+ root is 0x03, used here to generate the tables */
+
+ for (i = 0, p = 1; i < 256; ++i) {
+ pow_tab[i] = (u8)p;
+ log_tab[p] = (u8)i;
+
+ p ^= (p << 1) ^ (p & 0x80 ? 0x01b : 0);
+ }
+
+ log_tab[1] = 0;
+
+ for (i = 0, p = 1; i < 10; ++i) {
+ rco_tab[i] = p;
+
+ p = (p << 1) ^ (p & 0x80 ? 0x01b : 0);
+ }
+
+ for (i = 0; i < 256; ++i) {
+ p = (i ? pow_tab[255 - log_tab[i]] : 0);
+ q = ((p >> 7) | (p << 1)) ^ ((p >> 6) | (p << 2));
+ p ^= 0x63 ^ q ^ ((q >> 6) | (q << 2));
+ sbx_tab[i] = p;
+ isb_tab[p] = (u8)i;
+ }
+
+ for (i = 0; i < 256; ++i) {
+ p = sbx_tab[i];
+
+ t = p;
+ aes_fl_tab[0][i] = t;
+ aes_fl_tab[1][i] = rol32(t, 8);
+ aes_fl_tab[2][i] = rol32(t, 16);
+ aes_fl_tab[3][i] = rol32(t, 24);
+
+ t = ((u32)ff_mult(2, p)) |
+ ((u32)p << 8) |
+ ((u32)p << 16) | ((u32)ff_mult(3, p) << 24);
+
+ aes_ft_tab[0][i] = t;
+ aes_ft_tab[1][i] = rol32(t, 8);
+ aes_ft_tab[2][i] = rol32(t, 16);
+ aes_ft_tab[3][i] = rol32(t, 24);
+
+ p = isb_tab[i];
+
+ t = p;
+ aes_il_tab[0][i] = t;
+ aes_il_tab[1][i] = rol32(t, 8);
+ aes_il_tab[2][i] = rol32(t, 16);
+ aes_il_tab[3][i] = rol32(t, 24);
+
+ t = ((u32)ff_mult(14, p)) |
+ ((u32)ff_mult(9, p) << 8) |
+ ((u32)ff_mult(13, p) << 16) |
+ ((u32)ff_mult(11, p) << 24);
+
+ aes_it_tab[0][i] = t;
+ aes_it_tab[1][i] = rol32(t, 8);
+ aes_it_tab[2][i] = rol32(t, 16);
+ aes_it_tab[3][i] = rol32(t, 24);
+ }
+}
+
+#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b)
+
+#define imix_col(y, x) \
+ u = star_x(x); \
+ v = star_x(u); \
+ w = star_x(v); \
+ t = w ^ (x); \
+ (y) = u ^ v ^ w; \
+ (y) ^= ror32(u ^ t, 8) ^ \
+ ror32(v ^ t, 16) ^ \
+ ror32(t, 24)
+
+/* initialise the key schedule from the user supplied key */
+
+#define loop4(i) \
+{ \
+ t = ror32(t, 8); t = ls_box(t) ^ rco_tab[i]; \
+ t ^= E_KEY[4 * i]; E_KEY[4 * i + 4] = t; \
+ t ^= E_KEY[4 * i + 1]; E_KEY[4 * i + 5] = t; \
+ t ^= E_KEY[4 * i + 2]; E_KEY[4 * i + 6] = t; \
+ t ^= E_KEY[4 * i + 3]; E_KEY[4 * i + 7] = t; \
+}
+
+#define loop6(i) \
+{ \
+ t = ror32(t, 8); t = ls_box(t) ^ rco_tab[i]; \
+ t ^= E_KEY[6 * i]; E_KEY[6 * i + 6] = t; \
+ t ^= E_KEY[6 * i + 1]; E_KEY[6 * i + 7] = t; \
+ t ^= E_KEY[6 * i + 2]; E_KEY[6 * i + 8] = t; \
+ t ^= E_KEY[6 * i + 3]; E_KEY[6 * i + 9] = t; \
+ t ^= E_KEY[6 * i + 4]; E_KEY[6 * i + 10] = t; \
+ t ^= E_KEY[6 * i + 5]; E_KEY[6 * i + 11] = t; \
+}
+
+#define loop8(i) \
+{ \
+ t = ror32(t, 8); ; t = ls_box(t) ^ rco_tab[i]; \
+ t ^= E_KEY[8 * i]; E_KEY[8 * i + 8] = t; \
+ t ^= E_KEY[8 * i + 1]; E_KEY[8 * i + 9] = t; \
+ t ^= E_KEY[8 * i + 2]; E_KEY[8 * i + 10] = t; \
+ t ^= E_KEY[8 * i + 3]; E_KEY[8 * i + 11] = t; \
+ t = E_KEY[8 * i + 4] ^ ls_box(t); \
+ E_KEY[8 * i + 12] = t; \
+ t ^= E_KEY[8 * i + 5]; E_KEY[8 * i + 13] = t; \
+ t ^= E_KEY[8 * i + 6]; E_KEY[8 * i + 14] = t; \
+ t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t; \
+}
+
+static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len,
+ u32 *flags)
+{
+ struct aes_ctx *ctx = ctx_arg;
+ u32 i, j, t, u, v, w;
+
+ if (key_len != 16 && key_len != 24 && key_len != 32) {
+ *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
+ return -EINVAL;
+ }
+
+ ctx->key_length = key_len;
+
+ D_KEY[key_len + 24] = E_KEY[0] = u32_in(in_key);
+ D_KEY[key_len + 25] = E_KEY[1] = u32_in(in_key + 4);
+ D_KEY[key_len + 26] = E_KEY[2] = u32_in(in_key + 8);
+ D_KEY[key_len + 27] = E_KEY[3] = u32_in(in_key + 12);
+
+ switch (key_len) {
+ case 16:
+ t = E_KEY[3];
+ for (i = 0; i < 10; ++i)
+ loop4(i);
+ break;
+
+ case 24:
+ E_KEY[4] = u32_in(in_key + 16);
+ t = E_KEY[5] = u32_in(in_key + 20);
+ for (i = 0; i < 8; ++i)
+ loop6 (i);
+ break;
+
+ case 32:
+ E_KEY[4] = u32_in(in_key + 16);
+ E_KEY[5] = u32_in(in_key + 20);
+ E_KEY[6] = u32_in(in_key + 24);
+ t = E_KEY[7] = u32_in(in_key + 28);
+ for (i = 0; i < 7; ++i)
+ loop8(i);
+ break;
+ }
+
+ D_KEY[0] = E_KEY[key_len + 24];
+ D_KEY[1] = E_KEY[key_len + 25];
+ D_KEY[2] = E_KEY[key_len + 26];
+ D_KEY[3] = E_KEY[key_len + 27];
+
+ for (i = 4; i < key_len + 24; ++i) {
+ j = key_len + 24 - (i & ~3) + (i & 3);
+ imix_col(D_KEY[j], E_KEY[i]);
+ }
+
+ return 0;
+}
+
+extern void aes_encrypt(void *ctx_arg, u8 *out, const u8 *in);
+extern void aes_decrypt(void *ctx_arg, u8 *out, const u8 *in);
+
+static struct crypto_alg aes_alg = {
+ .cra_name = "aes",
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct aes_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(aes_alg.cra_list),
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = AES_MIN_KEY_SIZE,
+ .cia_max_keysize = AES_MAX_KEY_SIZE,
+ .cia_setkey = aes_set_key,
+ .cia_encrypt = aes_encrypt,
+ .cia_decrypt = aes_decrypt
+ }
+ }
+};
+
+static int __init aes_init(void)
+{
+ gen_tabs();
+ return crypto_register_alg(&aes_alg);
+}
+
+static void __exit aes_fini(void)
+{
+ crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
+MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.