Message-Id: <20220704094250.4265-2-ap420073@gmail.com>
Date:   Mon,  4 Jul 2022 09:42:48 +0000
From:   Taehee Yoo <ap420073@...il.com>
To:     linux-crypto@...r.kernel.org, herbert@...dor.apana.org.au,
        davem@...emloft.net, borisp@...dia.com, john.fastabend@...il.com,
        daniel@...earbox.net, kuba@...nel.org, edumazet@...gle.com,
        pabeni@...hat.com, netdev@...r.kernel.org
Cc:     ap420073@...il.com
Subject: [PATCH v2 1/3] crypto: Implement ARIA symmetric cipher algorithm

ARIA(RFC 5794) is a symmetric block cipher algorithm.
This algorithm is being used widely in South Korea as a standard cipher
algorithm.
This code is written based on the ARIA implementation of OpenSSL.
The OpenSSL code is based on the distributed source code[1] by KISA.

ARIA has three key sizes and corresponding rounds.
ARIA128: 12 rounds.
ARIA192: 14 rounds.
ARIA245: 16 rounds.

[1] https://seed.kisa.or.kr/kisa/Board/19/detailView.do (Korean)

Signed-off-by: Taehee Yoo <ap420073@...il.com>
---

v2:
 - No changed

 crypto/Kconfig        |  15 ++
 crypto/Makefile       |   1 +
 crypto/aria.c         | 288 ++++++++++++++++++++++++++
 include/crypto/aria.h | 461 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 765 insertions(+)
 create mode 100644 crypto/aria.c
 create mode 100644 include/crypto/aria.h

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 1d44893a997b..03cc8a9e8908 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1489,6 +1489,21 @@ config CRYPTO_SEED
 	  See also:
 	  <http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
 
+config CRYPTO_ARIA
+	tristate "ARIA cipher algorithm"
+	select CRYPTO_ALGAPI
+	help
+	  ARIA cipher algorithm (RFC5794).
+
+	  ARIA is a standard encryption algorithm of the Republic of Korea.
+	  The ARIA specifies three key sizes and rounds.
+	  128-bit: 12 rounds.
+	  192-bit: 14 rounds.
+	  256-bit: 16 rounds.
+
+	  See also:
+	  <https://seed.kisa.or.kr/kisa/algorithm/EgovAriaInfo.do>
+
 config CRYPTO_SERPENT
 	tristate "Serpent cipher algorithm"
 	select CRYPTO_ALGAPI
diff --git a/crypto/Makefile b/crypto/Makefile
index ceaaa9f34145..dfa3e1cdd30c 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -147,6 +147,7 @@ obj-$(CONFIG_CRYPTO_TEA) += tea.o
 obj-$(CONFIG_CRYPTO_KHAZAD) += khazad.o
 obj-$(CONFIG_CRYPTO_ANUBIS) += anubis.o
 obj-$(CONFIG_CRYPTO_SEED) += seed.o
+obj-$(CONFIG_CRYPTO_ARIA) += aria.o
 obj-$(CONFIG_CRYPTO_CHACHA20) += chacha_generic.o
 obj-$(CONFIG_CRYPTO_POLY1305) += poly1305_generic.o
 obj-$(CONFIG_CRYPTO_DEFLATE) += deflate.o
diff --git a/crypto/aria.c b/crypto/aria.c
new file mode 100644
index 000000000000..ac3dffac34bb
--- /dev/null
+++ b/crypto/aria.c
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cryptographic API.
+ *
+ * ARIA Cipher Algorithm.
+ *
+ * Documentation of ARIA can be found in RFC 5794.
+ * Copyright (c) 2022 Taehee Yoo <ap420073@...il.com>
+ *
+ * Information for ARIA
+ *     http://210.104.33.10/ARIA/index-e.html (English)
+ *     http://seed.kisa.or.kr/ (Korean)
+ *
+ * Public domain version is distributed above.
+ */
+
+#include <crypto/aria.h>
+
+static void aria_set_encrypt_key(struct aria_ctx *ctx, const u8 *in_key,
+				 unsigned int key_len)
+{
+	const __be32 *key = (const __be32 *)in_key;
+	u32 w0[4], w1[4], w2[4], w3[4];
+	u32 reg0, reg1, reg2, reg3;
+	const u32 *ck;
+	int rkidx = 0;
+
+	ck = &key_rc[(key_len - 16) / 8][0];
+
+	w0[0] = be32_to_cpu(key[0]);
+	w0[1] = be32_to_cpu(key[1]);
+	w0[2] = be32_to_cpu(key[2]);
+	w0[3] = be32_to_cpu(key[3]);
+
+	reg0 = w0[0] ^ ck[0];
+	reg1 = w0[1] ^ ck[1];
+	reg2 = w0[2] ^ ck[2];
+	reg3 = w0[3] ^ ck[3];
+
+	aria_subst_diff_odd(&reg0, &reg1, &reg2, &reg3);
+
+	if (key_len > 16) {
+		w1[0] = be32_to_cpu(key[4]);
+		w1[1] = be32_to_cpu(key[5]);
+		if (key_len > 24) {
+			w1[2] = be32_to_cpu(key[6]);
+			w1[3] = be32_to_cpu(key[7]);
+		} else {
+			w1[2] = 0;
+			w1[3] = 0;
+		}
+	} else {
+		w1[0] = 0;
+		w1[1] = 0;
+		w1[2] = 0;
+		w1[3] = 0;
+	}
+
+	w1[0] ^= reg0;
+	w1[1] ^= reg1;
+	w1[2] ^= reg2;
+	w1[3] ^= reg3;
+
+	reg0 = w1[0];
+	reg1 = w1[1];
+	reg2 = w1[2];
+	reg3 = w1[3];
+
+	reg0 ^= ck[4];
+	reg1 ^= ck[5];
+	reg2 ^= ck[6];
+	reg3 ^= ck[7];
+
+	aria_subst_diff_even(&reg0, &reg1, &reg2, &reg3);
+
+	reg0 ^= w0[0];
+	reg1 ^= w0[1];
+	reg2 ^= w0[2];
+	reg3 ^= w0[3];
+
+	w2[0] = reg0;
+	w2[1] = reg1;
+	w2[2] = reg2;
+	w2[3] = reg3;
+
+	reg0 ^= ck[8];
+	reg1 ^= ck[9];
+	reg2 ^= ck[10];
+	reg3 ^= ck[11];
+
+	aria_subst_diff_odd(&reg0, &reg1, &reg2, &reg3);
+
+	w3[0] = reg0 ^ w1[0];
+	w3[1] = reg1 ^ w1[1];
+	w3[2] = reg2 ^ w1[2];
+	w3[3] = reg3 ^ w1[3];
+
+	aria_gsrk(ctx->enc_key[rkidx], w0, w1, 19);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w1, w2, 19);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w2, w3, 19);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w3, w0, 19);
+
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w0, w1, 31);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w1, w2, 31);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w2, w3, 31);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w3, w0, 31);
+
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w0, w1, 67);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w1, w2, 67);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w2, w3, 67);
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w3, w0, 67);
+
+	rkidx++;
+	aria_gsrk(ctx->enc_key[rkidx], w0, w1, 97);
+	if (key_len > 16) {
+		rkidx++;
+		aria_gsrk(ctx->enc_key[rkidx], w1, w2, 97);
+		rkidx++;
+		aria_gsrk(ctx->enc_key[rkidx], w2, w3, 97);
+
+		if (key_len > 24) {
+			rkidx++;
+			aria_gsrk(ctx->enc_key[rkidx], w3, w0, 97);
+
+			rkidx++;
+			aria_gsrk(ctx->enc_key[rkidx], w0, w1, 109);
+		}
+	}
+}
+
+static void aria_set_decrypt_key(struct aria_ctx *ctx)
+{
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		ctx->dec_key[0][i] = ctx->enc_key[ctx->rounds][i];
+		ctx->dec_key[ctx->rounds][i] = ctx->enc_key[0][i];
+	}
+
+	for (i = 1; i < ctx->rounds; i++) {
+		ctx->dec_key[i][0] = aria_m(ctx->enc_key[ctx->rounds - i][0]);
+		ctx->dec_key[i][1] = aria_m(ctx->enc_key[ctx->rounds - i][1]);
+		ctx->dec_key[i][2] = aria_m(ctx->enc_key[ctx->rounds - i][2]);
+		ctx->dec_key[i][3] = aria_m(ctx->enc_key[ctx->rounds - i][3]);
+
+		aria_diff_word(&ctx->dec_key[i][0], &ctx->dec_key[i][1],
+			       &ctx->dec_key[i][2], &ctx->dec_key[i][3]);
+		aria_diff_byte(&ctx->dec_key[i][1],
+			       &ctx->dec_key[i][2], &ctx->dec_key[i][3]);
+		aria_diff_word(&ctx->dec_key[i][0], &ctx->dec_key[i][1],
+			       &ctx->dec_key[i][2], &ctx->dec_key[i][3]);
+	}
+}
+
+static int aria_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+			unsigned int key_len)
+{
+	struct aria_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	if (key_len != 16 && key_len != 24 && key_len != 32)
+		return -EINVAL;
+
+	ctx->key_length = key_len;
+	ctx->rounds = (key_len + 32) / 4;
+
+	aria_set_encrypt_key(ctx, in_key, key_len);
+	aria_set_decrypt_key(ctx);
+
+	return 0;
+}
+
+static void __aria_crypt(struct aria_ctx *ctx, u8 *out, const u8 *in,
+			 u32 key[][ARIA_RD_KEY_WORDS])
+{
+	const __be32 *src = (const __be32 *)in;
+	__be32 *dst = (__be32 *)out;
+	u32 reg0, reg1, reg2, reg3;
+	int rounds, rkidx = 0;
+
+	rounds = ctx->rounds;
+
+	reg0 = be32_to_cpu(src[0]);
+	reg1 = be32_to_cpu(src[1]);
+	reg2 = be32_to_cpu(src[2]);
+	reg3 = be32_to_cpu(src[3]);
+
+	aria_add_round_key(key[rkidx], &reg0, &reg1, &reg2, &reg3);
+	rkidx++;
+
+	aria_subst_diff_odd(&reg0, &reg1, &reg2, &reg3);
+	aria_add_round_key(key[rkidx], &reg0, &reg1, &reg2, &reg3);
+	rkidx++;
+
+	while ((rounds -= 2) > 0) {
+		aria_subst_diff_even(&reg0, &reg1, &reg2, &reg3);
+		aria_add_round_key(key[rkidx], &reg0, &reg1, &reg2, &reg3);
+		rkidx++;
+
+		aria_subst_diff_odd(&reg0, &reg1, &reg2, &reg3);
+		aria_add_round_key(key[rkidx], &reg0, &reg1, &reg2, &reg3);
+		rkidx++;
+	}
+
+	reg0 = key[rkidx][0] ^ make_u32((u8)(x1[get_u8(reg0, 0)]),
+					(u8)(x2[get_u8(reg0, 1)] >> 8),
+					(u8)(s1[get_u8(reg0, 2)]),
+					(u8)(s2[get_u8(reg0, 3)]));
+	reg1 = key[rkidx][1] ^ make_u32((u8)(x1[get_u8(reg1, 0)]),
+					(u8)(x2[get_u8(reg1, 1)] >> 8),
+					(u8)(s1[get_u8(reg1, 2)]),
+					(u8)(s2[get_u8(reg1, 3)]));
+	reg2 = key[rkidx][2] ^ make_u32((u8)(x1[get_u8(reg2, 0)]),
+					(u8)(x2[get_u8(reg2, 1)] >> 8),
+					(u8)(s1[get_u8(reg2, 2)]),
+					(u8)(s2[get_u8(reg2, 3)]));
+	reg3 = key[rkidx][3] ^ make_u32((u8)(x1[get_u8(reg3, 0)]),
+					(u8)(x2[get_u8(reg3, 1)] >> 8),
+					(u8)(s1[get_u8(reg3, 2)]),
+					(u8)(s2[get_u8(reg3, 3)]));
+
+	dst[0] = cpu_to_be32(reg0);
+	dst[1] = cpu_to_be32(reg1);
+	dst[2] = cpu_to_be32(reg2);
+	dst[3] = cpu_to_be32(reg3);
+}
+
+static void aria_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	struct aria_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	__aria_crypt(ctx, out, in, ctx->enc_key);
+}
+
+static void aria_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+	struct aria_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	__aria_crypt(ctx, out, in, ctx->dec_key);
+}
+
+static struct crypto_alg aria_alg = {
+	.cra_name		=	"aria",
+	.cra_driver_name	=	"aria-generic",
+	.cra_priority		=	100,
+	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
+	.cra_blocksize		=	ARIA_BLOCK_SIZE,
+	.cra_ctxsize		=	sizeof(struct aria_ctx),
+	.cra_alignmask		=	3,
+	.cra_module		=	THIS_MODULE,
+	.cra_u			=	{
+		.cipher = {
+			.cia_min_keysize	=	ARIA_MIN_KEY_SIZE,
+			.cia_max_keysize	=	ARIA_MAX_KEY_SIZE,
+			.cia_setkey		=	aria_set_key,
+			.cia_encrypt		=	aria_encrypt,
+			.cia_decrypt		=	aria_decrypt
+		}
+	}
+};
+
+static int __init aria_init(void)
+{
+	return crypto_register_alg(&aria_alg);
+}
+
+static void __exit aria_fini(void)
+{
+	crypto_unregister_alg(&aria_alg);
+}
+
+subsys_initcall(aria_init);
+module_exit(aria_fini);
+
+MODULE_DESCRIPTION("ARIA Cipher Algorithm");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Taehee Yoo <ap420073@...il.com>");
+MODULE_ALIAS_CRYPTO("aria");
diff --git a/include/crypto/aria.h b/include/crypto/aria.h
new file mode 100644
index 000000000000..4a86661788e8
--- /dev/null
+++ b/include/crypto/aria.h
@@ -0,0 +1,461 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Cryptographic API.
+ *
+ * ARIA Cipher Algorithm.
+ *
+ * Documentation of ARIA can be found in RFC 5794.
+ * Copyright (c) 2022 Taehee Yoo <ap420073@...il.com>
+ * Copyright (c) 2022 Taehee Yoo <ap420073@...il.com>
+ *
+ * Information for ARIA
+ *     http://210.104.33.10/ARIA/index-e.html (English)
+ *     http://seed.kisa.or.kr/ (Korean)
+ *
+ * Public domain version is distributed above.
+ */
+
+#ifndef _CRYPTO_ARIA_H
+#define _CRYPTO_ARIA_H
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/crypto.h>
+#include <asm/byteorder.h>
+
+#define ARIA_MIN_KEY_SIZE	16
+#define ARIA_MAX_KEY_SIZE	32
+#define ARIA_BLOCK_SIZE		16
+#define ARIA_MAX_RD_KEYS	17
+#define ARIA_RD_KEY_WORDS	(ARIA_BLOCK_SIZE / sizeof(u32))
+
+struct aria_ctx {
+	int key_length;
+	int rounds;
+	u32 enc_key[ARIA_MAX_RD_KEYS][ARIA_RD_KEY_WORDS];
+	u32 dec_key[ARIA_MAX_RD_KEYS][ARIA_RD_KEY_WORDS];
+};
+
+static const u32 key_rc[5][4] = {
+	{ 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0 },
+	{ 0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0 },
+	{ 0xdb92371d, 0x2126e970, 0x03249775, 0x04e8c90e },
+	{ 0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0 },
+	{ 0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0 }
+};
+
+static const u32 s1[256] = {
+	0x00636363, 0x007c7c7c, 0x00777777, 0x007b7b7b,
+	0x00f2f2f2, 0x006b6b6b, 0x006f6f6f, 0x00c5c5c5,
+	0x00303030, 0x00010101, 0x00676767, 0x002b2b2b,
+	0x00fefefe, 0x00d7d7d7, 0x00ababab, 0x00767676,
+	0x00cacaca, 0x00828282, 0x00c9c9c9, 0x007d7d7d,
+	0x00fafafa, 0x00595959, 0x00474747, 0x00f0f0f0,
+	0x00adadad, 0x00d4d4d4, 0x00a2a2a2, 0x00afafaf,
+	0x009c9c9c, 0x00a4a4a4, 0x00727272, 0x00c0c0c0,
+	0x00b7b7b7, 0x00fdfdfd, 0x00939393, 0x00262626,
+	0x00363636, 0x003f3f3f, 0x00f7f7f7, 0x00cccccc,
+	0x00343434, 0x00a5a5a5, 0x00e5e5e5, 0x00f1f1f1,
+	0x00717171, 0x00d8d8d8, 0x00313131, 0x00151515,
+	0x00040404, 0x00c7c7c7, 0x00232323, 0x00c3c3c3,
+	0x00181818, 0x00969696, 0x00050505, 0x009a9a9a,
+	0x00070707, 0x00121212, 0x00808080, 0x00e2e2e2,
+	0x00ebebeb, 0x00272727, 0x00b2b2b2, 0x00757575,
+	0x00090909, 0x00838383, 0x002c2c2c, 0x001a1a1a,
+	0x001b1b1b, 0x006e6e6e, 0x005a5a5a, 0x00a0a0a0,
+	0x00525252, 0x003b3b3b, 0x00d6d6d6, 0x00b3b3b3,
+	0x00292929, 0x00e3e3e3, 0x002f2f2f, 0x00848484,
+	0x00535353, 0x00d1d1d1, 0x00000000, 0x00ededed,
+	0x00202020, 0x00fcfcfc, 0x00b1b1b1, 0x005b5b5b,
+	0x006a6a6a, 0x00cbcbcb, 0x00bebebe, 0x00393939,
+	0x004a4a4a, 0x004c4c4c, 0x00585858, 0x00cfcfcf,
+	0x00d0d0d0, 0x00efefef, 0x00aaaaaa, 0x00fbfbfb,
+	0x00434343, 0x004d4d4d, 0x00333333, 0x00858585,
+	0x00454545, 0x00f9f9f9, 0x00020202, 0x007f7f7f,
+	0x00505050, 0x003c3c3c, 0x009f9f9f, 0x00a8a8a8,
+	0x00515151, 0x00a3a3a3, 0x00404040, 0x008f8f8f,
+	0x00929292, 0x009d9d9d, 0x00383838, 0x00f5f5f5,
+	0x00bcbcbc, 0x00b6b6b6, 0x00dadada, 0x00212121,
+	0x00101010, 0x00ffffff, 0x00f3f3f3, 0x00d2d2d2,
+	0x00cdcdcd, 0x000c0c0c, 0x00131313, 0x00ececec,
+	0x005f5f5f, 0x00979797, 0x00444444, 0x00171717,
+	0x00c4c4c4, 0x00a7a7a7, 0x007e7e7e, 0x003d3d3d,
+	0x00646464, 0x005d5d5d, 0x00191919, 0x00737373,
+	0x00606060, 0x00818181, 0x004f4f4f, 0x00dcdcdc,
+	0x00222222, 0x002a2a2a, 0x00909090, 0x00888888,
+	0x00464646, 0x00eeeeee, 0x00b8b8b8, 0x00141414,
+	0x00dedede, 0x005e5e5e, 0x000b0b0b, 0x00dbdbdb,
+	0x00e0e0e0, 0x00323232, 0x003a3a3a, 0x000a0a0a,
+	0x00494949, 0x00060606, 0x00242424, 0x005c5c5c,
+	0x00c2c2c2, 0x00d3d3d3, 0x00acacac, 0x00626262,
+	0x00919191, 0x00959595, 0x00e4e4e4, 0x00797979,
+	0x00e7e7e7, 0x00c8c8c8, 0x00373737, 0x006d6d6d,
+	0x008d8d8d, 0x00d5d5d5, 0x004e4e4e, 0x00a9a9a9,
+	0x006c6c6c, 0x00565656, 0x00f4f4f4, 0x00eaeaea,
+	0x00656565, 0x007a7a7a, 0x00aeaeae, 0x00080808,
+	0x00bababa, 0x00787878, 0x00252525, 0x002e2e2e,
+	0x001c1c1c, 0x00a6a6a6, 0x00b4b4b4, 0x00c6c6c6,
+	0x00e8e8e8, 0x00dddddd, 0x00747474, 0x001f1f1f,
+	0x004b4b4b, 0x00bdbdbd, 0x008b8b8b, 0x008a8a8a,
+	0x00707070, 0x003e3e3e, 0x00b5b5b5, 0x00666666,
+	0x00484848, 0x00030303, 0x00f6f6f6, 0x000e0e0e,
+	0x00616161, 0x00353535, 0x00575757, 0x00b9b9b9,
+	0x00868686, 0x00c1c1c1, 0x001d1d1d, 0x009e9e9e,
+	0x00e1e1e1, 0x00f8f8f8, 0x00989898, 0x00111111,
+	0x00696969, 0x00d9d9d9, 0x008e8e8e, 0x00949494,
+	0x009b9b9b, 0x001e1e1e, 0x00878787, 0x00e9e9e9,
+	0x00cecece, 0x00555555, 0x00282828, 0x00dfdfdf,
+	0x008c8c8c, 0x00a1a1a1, 0x00898989, 0x000d0d0d,
+	0x00bfbfbf, 0x00e6e6e6, 0x00424242, 0x00686868,
+	0x00414141, 0x00999999, 0x002d2d2d, 0x000f0f0f,
+	0x00b0b0b0, 0x00545454, 0x00bbbbbb, 0x00161616
+};
+
+static const u32 s2[256] = {
+	0xe200e2e2, 0x4e004e4e, 0x54005454, 0xfc00fcfc,
+	0x94009494, 0xc200c2c2, 0x4a004a4a, 0xcc00cccc,
+	0x62006262, 0x0d000d0d, 0x6a006a6a, 0x46004646,
+	0x3c003c3c, 0x4d004d4d, 0x8b008b8b, 0xd100d1d1,
+	0x5e005e5e, 0xfa00fafa, 0x64006464, 0xcb00cbcb,
+	0xb400b4b4, 0x97009797, 0xbe00bebe, 0x2b002b2b,
+	0xbc00bcbc, 0x77007777, 0x2e002e2e, 0x03000303,
+	0xd300d3d3, 0x19001919, 0x59005959, 0xc100c1c1,
+	0x1d001d1d, 0x06000606, 0x41004141, 0x6b006b6b,
+	0x55005555, 0xf000f0f0, 0x99009999, 0x69006969,
+	0xea00eaea, 0x9c009c9c, 0x18001818, 0xae00aeae,
+	0x63006363, 0xdf00dfdf, 0xe700e7e7, 0xbb00bbbb,
+	0x00000000, 0x73007373, 0x66006666, 0xfb00fbfb,
+	0x96009696, 0x4c004c4c, 0x85008585, 0xe400e4e4,
+	0x3a003a3a, 0x09000909, 0x45004545, 0xaa00aaaa,
+	0x0f000f0f, 0xee00eeee, 0x10001010, 0xeb00ebeb,
+	0x2d002d2d, 0x7f007f7f, 0xf400f4f4, 0x29002929,
+	0xac00acac, 0xcf00cfcf, 0xad00adad, 0x91009191,
+	0x8d008d8d, 0x78007878, 0xc800c8c8, 0x95009595,
+	0xf900f9f9, 0x2f002f2f, 0xce00cece, 0xcd00cdcd,
+	0x08000808, 0x7a007a7a, 0x88008888, 0x38003838,
+	0x5c005c5c, 0x83008383, 0x2a002a2a, 0x28002828,
+	0x47004747, 0xdb00dbdb, 0xb800b8b8, 0xc700c7c7,
+	0x93009393, 0xa400a4a4, 0x12001212, 0x53005353,
+	0xff00ffff, 0x87008787, 0x0e000e0e, 0x31003131,
+	0x36003636, 0x21002121, 0x58005858, 0x48004848,
+	0x01000101, 0x8e008e8e, 0x37003737, 0x74007474,
+	0x32003232, 0xca00caca, 0xe900e9e9, 0xb100b1b1,
+	0xb700b7b7, 0xab00abab, 0x0c000c0c, 0xd700d7d7,
+	0xc400c4c4, 0x56005656, 0x42004242, 0x26002626,
+	0x07000707, 0x98009898, 0x60006060, 0xd900d9d9,
+	0xb600b6b6, 0xb900b9b9, 0x11001111, 0x40004040,
+	0xec00ecec, 0x20002020, 0x8c008c8c, 0xbd00bdbd,
+	0xa000a0a0, 0xc900c9c9, 0x84008484, 0x04000404,
+	0x49004949, 0x23002323, 0xf100f1f1, 0x4f004f4f,
+	0x50005050, 0x1f001f1f, 0x13001313, 0xdc00dcdc,
+	0xd800d8d8, 0xc000c0c0, 0x9e009e9e, 0x57005757,
+	0xe300e3e3, 0xc300c3c3, 0x7b007b7b, 0x65006565,
+	0x3b003b3b, 0x02000202, 0x8f008f8f, 0x3e003e3e,
+	0xe800e8e8, 0x25002525, 0x92009292, 0xe500e5e5,
+	0x15001515, 0xdd00dddd, 0xfd00fdfd, 0x17001717,
+	0xa900a9a9, 0xbf00bfbf, 0xd400d4d4, 0x9a009a9a,
+	0x7e007e7e, 0xc500c5c5, 0x39003939, 0x67006767,
+	0xfe00fefe, 0x76007676, 0x9d009d9d, 0x43004343,
+	0xa700a7a7, 0xe100e1e1, 0xd000d0d0, 0xf500f5f5,
+	0x68006868, 0xf200f2f2, 0x1b001b1b, 0x34003434,
+	0x70007070, 0x05000505, 0xa300a3a3, 0x8a008a8a,
+	0xd500d5d5, 0x79007979, 0x86008686, 0xa800a8a8,
+	0x30003030, 0xc600c6c6, 0x51005151, 0x4b004b4b,
+	0x1e001e1e, 0xa600a6a6, 0x27002727, 0xf600f6f6,
+	0x35003535, 0xd200d2d2, 0x6e006e6e, 0x24002424,
+	0x16001616, 0x82008282, 0x5f005f5f, 0xda00dada,
+	0xe600e6e6, 0x75007575, 0xa200a2a2, 0xef00efef,
+	0x2c002c2c, 0xb200b2b2, 0x1c001c1c, 0x9f009f9f,
+	0x5d005d5d, 0x6f006f6f, 0x80008080, 0x0a000a0a,
+	0x72007272, 0x44004444, 0x9b009b9b, 0x6c006c6c,
+	0x90009090, 0x0b000b0b, 0x5b005b5b, 0x33003333,
+	0x7d007d7d, 0x5a005a5a, 0x52005252, 0xf300f3f3,
+	0x61006161, 0xa100a1a1, 0xf700f7f7, 0xb000b0b0,
+	0xd600d6d6, 0x3f003f3f, 0x7c007c7c, 0x6d006d6d,
+	0xed00eded, 0x14001414, 0xe000e0e0, 0xa500a5a5,
+	0x3d003d3d, 0x22002222, 0xb300b3b3, 0xf800f8f8,
+	0x89008989, 0xde00dede, 0x71007171, 0x1a001a1a,
+	0xaf00afaf, 0xba00baba, 0xb500b5b5, 0x81008181
+};
+
+static const u32 x1[256] = {
+	0x52520052, 0x09090009, 0x6a6a006a, 0xd5d500d5,
+	0x30300030, 0x36360036, 0xa5a500a5, 0x38380038,
+	0xbfbf00bf, 0x40400040, 0xa3a300a3, 0x9e9e009e,
+	0x81810081, 0xf3f300f3, 0xd7d700d7, 0xfbfb00fb,
+	0x7c7c007c, 0xe3e300e3, 0x39390039, 0x82820082,
+	0x9b9b009b, 0x2f2f002f, 0xffff00ff, 0x87870087,
+	0x34340034, 0x8e8e008e, 0x43430043, 0x44440044,
+	0xc4c400c4, 0xdede00de, 0xe9e900e9, 0xcbcb00cb,
+	0x54540054, 0x7b7b007b, 0x94940094, 0x32320032,
+	0xa6a600a6, 0xc2c200c2, 0x23230023, 0x3d3d003d,
+	0xeeee00ee, 0x4c4c004c, 0x95950095, 0x0b0b000b,
+	0x42420042, 0xfafa00fa, 0xc3c300c3, 0x4e4e004e,
+	0x08080008, 0x2e2e002e, 0xa1a100a1, 0x66660066,
+	0x28280028, 0xd9d900d9, 0x24240024, 0xb2b200b2,
+	0x76760076, 0x5b5b005b, 0xa2a200a2, 0x49490049,
+	0x6d6d006d, 0x8b8b008b, 0xd1d100d1, 0x25250025,
+	0x72720072, 0xf8f800f8, 0xf6f600f6, 0x64640064,
+	0x86860086, 0x68680068, 0x98980098, 0x16160016,
+	0xd4d400d4, 0xa4a400a4, 0x5c5c005c, 0xcccc00cc,
+	0x5d5d005d, 0x65650065, 0xb6b600b6, 0x92920092,
+	0x6c6c006c, 0x70700070, 0x48480048, 0x50500050,
+	0xfdfd00fd, 0xeded00ed, 0xb9b900b9, 0xdada00da,
+	0x5e5e005e, 0x15150015, 0x46460046, 0x57570057,
+	0xa7a700a7, 0x8d8d008d, 0x9d9d009d, 0x84840084,
+	0x90900090, 0xd8d800d8, 0xabab00ab, 0x00000000,
+	0x8c8c008c, 0xbcbc00bc, 0xd3d300d3, 0x0a0a000a,
+	0xf7f700f7, 0xe4e400e4, 0x58580058, 0x05050005,
+	0xb8b800b8, 0xb3b300b3, 0x45450045, 0x06060006,
+	0xd0d000d0, 0x2c2c002c, 0x1e1e001e, 0x8f8f008f,
+	0xcaca00ca, 0x3f3f003f, 0x0f0f000f, 0x02020002,
+	0xc1c100c1, 0xafaf00af, 0xbdbd00bd, 0x03030003,
+	0x01010001, 0x13130013, 0x8a8a008a, 0x6b6b006b,
+	0x3a3a003a, 0x91910091, 0x11110011, 0x41410041,
+	0x4f4f004f, 0x67670067, 0xdcdc00dc, 0xeaea00ea,
+	0x97970097, 0xf2f200f2, 0xcfcf00cf, 0xcece00ce,
+	0xf0f000f0, 0xb4b400b4, 0xe6e600e6, 0x73730073,
+	0x96960096, 0xacac00ac, 0x74740074, 0x22220022,
+	0xe7e700e7, 0xadad00ad, 0x35350035, 0x85850085,
+	0xe2e200e2, 0xf9f900f9, 0x37370037, 0xe8e800e8,
+	0x1c1c001c, 0x75750075, 0xdfdf00df, 0x6e6e006e,
+	0x47470047, 0xf1f100f1, 0x1a1a001a, 0x71710071,
+	0x1d1d001d, 0x29290029, 0xc5c500c5, 0x89890089,
+	0x6f6f006f, 0xb7b700b7, 0x62620062, 0x0e0e000e,
+	0xaaaa00aa, 0x18180018, 0xbebe00be, 0x1b1b001b,
+	0xfcfc00fc, 0x56560056, 0x3e3e003e, 0x4b4b004b,
+	0xc6c600c6, 0xd2d200d2, 0x79790079, 0x20200020,
+	0x9a9a009a, 0xdbdb00db, 0xc0c000c0, 0xfefe00fe,
+	0x78780078, 0xcdcd00cd, 0x5a5a005a, 0xf4f400f4,
+	0x1f1f001f, 0xdddd00dd, 0xa8a800a8, 0x33330033,
+	0x88880088, 0x07070007, 0xc7c700c7, 0x31310031,
+	0xb1b100b1, 0x12120012, 0x10100010, 0x59590059,
+	0x27270027, 0x80800080, 0xecec00ec, 0x5f5f005f,
+	0x60600060, 0x51510051, 0x7f7f007f, 0xa9a900a9,
+	0x19190019, 0xb5b500b5, 0x4a4a004a, 0x0d0d000d,
+	0x2d2d002d, 0xe5e500e5, 0x7a7a007a, 0x9f9f009f,
+	0x93930093, 0xc9c900c9, 0x9c9c009c, 0xefef00ef,
+	0xa0a000a0, 0xe0e000e0, 0x3b3b003b, 0x4d4d004d,
+	0xaeae00ae, 0x2a2a002a, 0xf5f500f5, 0xb0b000b0,
+	0xc8c800c8, 0xebeb00eb, 0xbbbb00bb, 0x3c3c003c,
+	0x83830083, 0x53530053, 0x99990099, 0x61610061,
+	0x17170017, 0x2b2b002b, 0x04040004, 0x7e7e007e,
+	0xbaba00ba, 0x77770077, 0xd6d600d6, 0x26260026,
+	0xe1e100e1, 0x69690069, 0x14140014, 0x63630063,
+	0x55550055, 0x21210021, 0x0c0c000c, 0x7d7d007d
+};
+
+static const u32 x2[256] = {
+	0x30303000, 0x68686800, 0x99999900, 0x1b1b1b00,
+	0x87878700, 0xb9b9b900, 0x21212100, 0x78787800,
+	0x50505000, 0x39393900, 0xdbdbdb00, 0xe1e1e100,
+	0x72727200, 0x09090900, 0x62626200, 0x3c3c3c00,
+	0x3e3e3e00, 0x7e7e7e00, 0x5e5e5e00, 0x8e8e8e00,
+	0xf1f1f100, 0xa0a0a000, 0xcccccc00, 0xa3a3a300,
+	0x2a2a2a00, 0x1d1d1d00, 0xfbfbfb00, 0xb6b6b600,
+	0xd6d6d600, 0x20202000, 0xc4c4c400, 0x8d8d8d00,
+	0x81818100, 0x65656500, 0xf5f5f500, 0x89898900,
+	0xcbcbcb00, 0x9d9d9d00, 0x77777700, 0xc6c6c600,
+	0x57575700, 0x43434300, 0x56565600, 0x17171700,
+	0xd4d4d400, 0x40404000, 0x1a1a1a00, 0x4d4d4d00,
+	0xc0c0c000, 0x63636300, 0x6c6c6c00, 0xe3e3e300,
+	0xb7b7b700, 0xc8c8c800, 0x64646400, 0x6a6a6a00,
+	0x53535300, 0xaaaaaa00, 0x38383800, 0x98989800,
+	0x0c0c0c00, 0xf4f4f400, 0x9b9b9b00, 0xededed00,
+	0x7f7f7f00, 0x22222200, 0x76767600, 0xafafaf00,
+	0xdddddd00, 0x3a3a3a00, 0x0b0b0b00, 0x58585800,
+	0x67676700, 0x88888800, 0x06060600, 0xc3c3c300,
+	0x35353500, 0x0d0d0d00, 0x01010100, 0x8b8b8b00,
+	0x8c8c8c00, 0xc2c2c200, 0xe6e6e600, 0x5f5f5f00,
+	0x02020200, 0x24242400, 0x75757500, 0x93939300,
+	0x66666600, 0x1e1e1e00, 0xe5e5e500, 0xe2e2e200,
+	0x54545400, 0xd8d8d800, 0x10101000, 0xcecece00,
+	0x7a7a7a00, 0xe8e8e800, 0x08080800, 0x2c2c2c00,
+	0x12121200, 0x97979700, 0x32323200, 0xababab00,
+	0xb4b4b400, 0x27272700, 0x0a0a0a00, 0x23232300,
+	0xdfdfdf00, 0xefefef00, 0xcacaca00, 0xd9d9d900,
+	0xb8b8b800, 0xfafafa00, 0xdcdcdc00, 0x31313100,
+	0x6b6b6b00, 0xd1d1d100, 0xadadad00, 0x19191900,
+	0x49494900, 0xbdbdbd00, 0x51515100, 0x96969600,
+	0xeeeeee00, 0xe4e4e400, 0xa8a8a800, 0x41414100,
+	0xdadada00, 0xffffff00, 0xcdcdcd00, 0x55555500,
+	0x86868600, 0x36363600, 0xbebebe00, 0x61616100,
+	0x52525200, 0xf8f8f800, 0xbbbbbb00, 0x0e0e0e00,
+	0x82828200, 0x48484800, 0x69696900, 0x9a9a9a00,
+	0xe0e0e000, 0x47474700, 0x9e9e9e00, 0x5c5c5c00,
+	0x04040400, 0x4b4b4b00, 0x34343400, 0x15151500,
+	0x79797900, 0x26262600, 0xa7a7a700, 0xdedede00,
+	0x29292900, 0xaeaeae00, 0x92929200, 0xd7d7d700,
+	0x84848400, 0xe9e9e900, 0xd2d2d200, 0xbababa00,
+	0x5d5d5d00, 0xf3f3f300, 0xc5c5c500, 0xb0b0b000,
+	0xbfbfbf00, 0xa4a4a400, 0x3b3b3b00, 0x71717100,
+	0x44444400, 0x46464600, 0x2b2b2b00, 0xfcfcfc00,
+	0xebebeb00, 0x6f6f6f00, 0xd5d5d500, 0xf6f6f600,
+	0x14141400, 0xfefefe00, 0x7c7c7c00, 0x70707000,
+	0x5a5a5a00, 0x7d7d7d00, 0xfdfdfd00, 0x2f2f2f00,
+	0x18181800, 0x83838300, 0x16161600, 0xa5a5a500,
+	0x91919100, 0x1f1f1f00, 0x05050500, 0x95959500,
+	0x74747400, 0xa9a9a900, 0xc1c1c100, 0x5b5b5b00,
+	0x4a4a4a00, 0x85858500, 0x6d6d6d00, 0x13131300,
+	0x07070700, 0x4f4f4f00, 0x4e4e4e00, 0x45454500,
+	0xb2b2b200, 0x0f0f0f00, 0xc9c9c900, 0x1c1c1c00,
+	0xa6a6a600, 0xbcbcbc00, 0xececec00, 0x73737300,
+	0x90909000, 0x7b7b7b00, 0xcfcfcf00, 0x59595900,
+	0x8f8f8f00, 0xa1a1a100, 0xf9f9f900, 0x2d2d2d00,
+	0xf2f2f200, 0xb1b1b100, 0x00000000, 0x94949400,
+	0x37373700, 0x9f9f9f00, 0xd0d0d000, 0x2e2e2e00,
+	0x9c9c9c00, 0x6e6e6e00, 0x28282800, 0x3f3f3f00,
+	0x80808000, 0xf0f0f000, 0x3d3d3d00, 0xd3d3d300,
+	0x25252500, 0x8a8a8a00, 0xb5b5b500, 0xe7e7e700,
+	0x42424200, 0xb3b3b300, 0xc7c7c700, 0xeaeaea00,
+	0xf7f7f700, 0x4c4c4c00, 0x11111100, 0x33333300,
+	0x03030300, 0xa2a2a200, 0xacacac00, 0x60606000
+};
+
+static inline u32 rotl32(u32 v, u32 r)
+{
+	return ((v << r) | (v >> (32 - r)));
+}
+
+static inline u32 rotr32(u32 v, u32 r)
+{
+	return ((v >> r) | (v << (32 - r)));
+}
+
+static inline u32 bswap32(u32 v)
+{
+	return ((v << 24) ^
+		(v >> 24) ^
+		((v & 0x0000ff00) << 8) ^
+		((v & 0x00ff0000) >> 8));
+}
+
+static inline u8 get_u8(u32 x, u32 y)
+{
+	return (x >> ((3 - y) * 8));
+}
+
+static inline u32 make_u32(u8 v0, u8 v1, u8 v2, u8 v3)
+{
+	return ((u32)v0 << 24) | ((u32)v1 << 16) | ((u32)v2 <<  8) | ((u32)v3);
+}
+
+static inline u32 aria_m(u32 t0)
+{
+	return rotr32(t0, 8) ^ rotr32(t0 ^ rotr32(t0, 8), 16);
+}
+
+/* S-Box Layer 1 + M */
+static inline void aria_sbox_layer1_with_pre_diff(u32 *t0, u32 *t1, u32 *t2,
+						  u32 *t3)
+{
+	*t0 = s1[get_u8(*t0, 0)] ^
+	      s2[get_u8(*t0, 1)] ^
+	      x1[get_u8(*t0, 2)] ^
+	      x2[get_u8(*t0, 3)];
+	*t1 = s1[get_u8(*t1, 0)] ^
+	      s2[get_u8(*t1, 1)] ^
+	      x1[get_u8(*t1, 2)] ^
+	      x2[get_u8(*t1, 3)];
+	*t2 = s1[get_u8(*t2, 0)] ^
+	      s2[get_u8(*t2, 1)] ^
+	      x1[get_u8(*t2, 2)] ^
+	      x2[get_u8(*t2, 3)];
+	*t3 = s1[get_u8(*t3, 0)] ^
+	      s2[get_u8(*t3, 1)] ^
+	      x1[get_u8(*t3, 2)] ^
+	      x2[get_u8(*t3, 3)];
+}
+
+/* S-Box Layer 2 + M */
+static inline void aria_sbox_layer2_with_pre_diff(u32 *t0, u32 *t1, u32 *t2,
+						  u32 *t3)
+{
+	*t0 = x1[get_u8(*t0, 0)] ^
+	      x2[get_u8(*t0, 1)] ^
+	      s1[get_u8(*t0, 2)] ^
+	      s2[get_u8(*t0, 3)];
+	*t1 = x1[get_u8(*t1, 0)] ^
+	      x2[get_u8(*t1, 1)] ^
+	      s1[get_u8(*t1, 2)] ^
+	      s2[get_u8(*t1, 3)];
+	*t2 = x1[get_u8(*t2, 0)] ^
+	      x2[get_u8(*t2, 1)] ^
+	      s1[get_u8(*t2, 2)] ^
+	      s2[get_u8(*t2, 3)];
+	*t3 = x1[get_u8(*t3, 0)] ^
+	      x2[get_u8(*t3, 1)] ^
+	      s1[get_u8(*t3, 2)] ^
+	      s2[get_u8(*t3, 3)];
+}
+
+/* Word-level diffusion */
+static inline void aria_diff_word(u32 *t0, u32 *t1, u32 *t2, u32 *t3)
+{
+	*t1 ^= *t2;
+	*t2 ^= *t3;
+	*t0 ^= *t1;
+
+	*t3 ^= *t1;
+	*t2 ^= *t0;
+	*t1 ^= *t2;
+}
+
+/* Byte-level diffusion */
+static inline void aria_diff_byte(u32 *t1, u32 *t2, u32 *t3)
+{
+	*t1 = ((*t1 << 8) & 0xff00ff00) ^ ((*t1 >> 8) & 0x00ff00ff);
+	*t2 = rotr32(*t2, 16);
+	*t3 = bswap32(*t3);
+}
+
+/* Key XOR Layer */
+static inline void aria_add_round_key(u32 *rk, u32 *t0, u32 *t1, u32 *t2,
+				      u32 *t3)
+{
+	*t0 ^= rk[0];
+	*t1 ^= rk[1];
+	*t2 ^= rk[2];
+	*t3 ^= rk[3];
+}
+/* Odd round Substitution & Diffusion */
+static inline void aria_subst_diff_odd(u32 *t0, u32 *t1, u32 *t2, u32 *t3)
+{
+	aria_sbox_layer1_with_pre_diff(t0, t1, t2, t3);
+	aria_diff_word(t0, t1, t2, t3);
+	aria_diff_byte(t1, t2, t3);
+	aria_diff_word(t0, t1, t2, t3);
+}
+
+/* Even round Substitution & Diffusion */
+static inline void aria_subst_diff_even(u32 *t0, u32 *t1, u32 *t2, u32 *t3)
+{
+	aria_sbox_layer2_with_pre_diff(t0, t1, t2, t3);
+	aria_diff_word(t0, t1, t2, t3);
+	aria_diff_byte(t3, t0, t1);
+	aria_diff_word(t0, t1, t2, t3);
+}
+
+/* Q, R Macro expanded ARIA GSRK */
+static inline void aria_gsrk(u32 *rk, u32 *x, u32 *y, u32 n)
+{
+	int q = 4 - (n / 32);
+	int r = n % 32;
+
+	rk[0] = (x[0]) ^
+		((y[q % 4]) >> r) ^
+		((y[(q + 3) % 4]) << (32 - r));
+	rk[1] = (x[1]) ^
+		((y[(q + 1) % 4]) >> r) ^
+		((y[q % 4]) << (32 - r));
+	rk[2] = (x[2]) ^
+		((y[(q + 2) % 4]) >> r) ^
+		((y[(q + 1) % 4]) << (32 - r));
+	rk[3] =	(x[3]) ^
+		((y[(q + 3) % 4]) >> r) ^
+		((y[(q + 2) % 4]) << (32 - r));
+}
+
+#endif
-- 
2.17.1

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