Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 442 insertions, 0 deletions

diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h
new file mode 100644
index 000000000..187150030
--- /dev/null
+++ b/drivers/crypto/chelsio/chcr_algo.h
@@ -0,0 +1,442 @@
+/*
+ * This file is part of the Chelsio T6 Crypto driver for Linux.
+ *
+ * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef __CHCR_ALGO_H__
+#define __CHCR_ALGO_H__
+
+/* Crypto key context */
+#define KEY_CONTEXT_CTX_LEN_S           24
+#define KEY_CONTEXT_CTX_LEN_M           0xff
+#define KEY_CONTEXT_CTX_LEN_V(x)        ((x) << KEY_CONTEXT_CTX_LEN_S)
+#define KEY_CONTEXT_CTX_LEN_G(x) \
+	(((x) >> KEY_CONTEXT_CTX_LEN_S) & KEY_CONTEXT_CTX_LEN_M)
+
+#define KEY_CONTEXT_DUAL_CK_S      12
+#define KEY_CONTEXT_DUAL_CK_M      0x1
+#define KEY_CONTEXT_DUAL_CK_V(x)   ((x) << KEY_CONTEXT_DUAL_CK_S)
+#define KEY_CONTEXT_DUAL_CK_G(x)   \
+(((x) >> KEY_CONTEXT_DUAL_CK_S) & KEY_CONTEXT_DUAL_CK_M)
+#define KEY_CONTEXT_DUAL_CK_F      KEY_CONTEXT_DUAL_CK_V(1U)
+
+#define KEY_CONTEXT_SALT_PRESENT_S      10
+#define KEY_CONTEXT_SALT_PRESENT_M      0x1
+#define KEY_CONTEXT_SALT_PRESENT_V(x)   ((x) << KEY_CONTEXT_SALT_PRESENT_S)
+#define KEY_CONTEXT_SALT_PRESENT_G(x)   \
+	(((x) >> KEY_CONTEXT_SALT_PRESENT_S) & \
+	 KEY_CONTEXT_SALT_PRESENT_M)
+#define KEY_CONTEXT_SALT_PRESENT_F      KEY_CONTEXT_SALT_PRESENT_V(1U)
+
+#define KEY_CONTEXT_VALID_S     0
+#define KEY_CONTEXT_VALID_M     0x1
+#define KEY_CONTEXT_VALID_V(x)  ((x) << KEY_CONTEXT_VALID_S)
+#define KEY_CONTEXT_VALID_G(x)  \
+	(((x) >> KEY_CONTEXT_VALID_S) & \
+	 KEY_CONTEXT_VALID_M)
+#define KEY_CONTEXT_VALID_F     KEY_CONTEXT_VALID_V(1U)
+
+#define KEY_CONTEXT_CK_SIZE_S           6
+#define KEY_CONTEXT_CK_SIZE_M           0xf
+#define KEY_CONTEXT_CK_SIZE_V(x)        ((x) << KEY_CONTEXT_CK_SIZE_S)
+#define KEY_CONTEXT_CK_SIZE_G(x)        \
+	(((x) >> KEY_CONTEXT_CK_SIZE_S) & KEY_CONTEXT_CK_SIZE_M)
+
+#define KEY_CONTEXT_MK_SIZE_S           2
+#define KEY_CONTEXT_MK_SIZE_M           0xf
+#define KEY_CONTEXT_MK_SIZE_V(x)        ((x) << KEY_CONTEXT_MK_SIZE_S)
+#define KEY_CONTEXT_MK_SIZE_G(x)        \
+	(((x) >> KEY_CONTEXT_MK_SIZE_S) & KEY_CONTEXT_MK_SIZE_M)
+
+#define KEY_CONTEXT_OPAD_PRESENT_S      11
+#define KEY_CONTEXT_OPAD_PRESENT_M      0x1
+#define KEY_CONTEXT_OPAD_PRESENT_V(x)   ((x) << KEY_CONTEXT_OPAD_PRESENT_S)
+#define KEY_CONTEXT_OPAD_PRESENT_G(x)   \
+	(((x) >> KEY_CONTEXT_OPAD_PRESENT_S) & \
+	 KEY_CONTEXT_OPAD_PRESENT_M)
+#define KEY_CONTEXT_OPAD_PRESENT_F      KEY_CONTEXT_OPAD_PRESENT_V(1U)
+
+#define TLS_KEYCTX_RXFLIT_CNT_S 24
+#define TLS_KEYCTX_RXFLIT_CNT_V(x) ((x) << TLS_KEYCTX_RXFLIT_CNT_S)
+
+#define TLS_KEYCTX_RXPROT_VER_S 20
+#define TLS_KEYCTX_RXPROT_VER_M 0xf
+#define TLS_KEYCTX_RXPROT_VER_V(x) ((x) << TLS_KEYCTX_RXPROT_VER_S)
+
+#define TLS_KEYCTX_RXCIPH_MODE_S 16
+#define TLS_KEYCTX_RXCIPH_MODE_M 0xf
+#define TLS_KEYCTX_RXCIPH_MODE_V(x) ((x) << TLS_KEYCTX_RXCIPH_MODE_S)
+
+#define TLS_KEYCTX_RXAUTH_MODE_S 12
+#define TLS_KEYCTX_RXAUTH_MODE_M 0xf
+#define TLS_KEYCTX_RXAUTH_MODE_V(x) ((x) << TLS_KEYCTX_RXAUTH_MODE_S)
+
+#define TLS_KEYCTX_RXCIAU_CTRL_S 11
+#define TLS_KEYCTX_RXCIAU_CTRL_V(x) ((x) << TLS_KEYCTX_RXCIAU_CTRL_S)
+
+#define TLS_KEYCTX_RX_SEQCTR_S 9
+#define TLS_KEYCTX_RX_SEQCTR_M 0x3
+#define TLS_KEYCTX_RX_SEQCTR_V(x) ((x) << TLS_KEYCTX_RX_SEQCTR_S)
+
+#define TLS_KEYCTX_RX_VALID_S 8
+#define TLS_KEYCTX_RX_VALID_V(x) ((x) << TLS_KEYCTX_RX_VALID_S)
+
+#define TLS_KEYCTX_RXCK_SIZE_S 3
+#define TLS_KEYCTX_RXCK_SIZE_M 0x7
+#define TLS_KEYCTX_RXCK_SIZE_V(x) ((x) << TLS_KEYCTX_RXCK_SIZE_S)
+
+#define TLS_KEYCTX_RXMK_SIZE_S 0
+#define TLS_KEYCTX_RXMK_SIZE_M 0x7
+#define TLS_KEYCTX_RXMK_SIZE_V(x) ((x) << TLS_KEYCTX_RXMK_SIZE_S)
+
+#define CHCR_HASH_MAX_DIGEST_SIZE 64
+#define CHCR_MAX_SHA_DIGEST_SIZE 64
+
+#define IPSEC_TRUNCATED_ICV_SIZE 12
+#define TLS_TRUNCATED_HMAC_SIZE 10
+#define CBCMAC_DIGEST_SIZE 16
+#define MAX_HASH_NAME 20
+
+#define SHA1_INIT_STATE_5X4B    5
+#define SHA256_INIT_STATE_8X4B  8
+#define SHA512_INIT_STATE_8X8B  8
+#define SHA1_INIT_STATE         SHA1_INIT_STATE_5X4B
+#define SHA224_INIT_STATE       SHA256_INIT_STATE_8X4B
+#define SHA256_INIT_STATE       SHA256_INIT_STATE_8X4B
+#define SHA384_INIT_STATE       SHA512_INIT_STATE_8X8B
+#define SHA512_INIT_STATE       SHA512_INIT_STATE_8X8B
+
+#define DUMMY_BYTES 16
+
+#define IPAD_DATA 0x36363636
+#define OPAD_DATA 0x5c5c5c5c
+
+#define TRANSHDR_SIZE(kctx_len)\
+	(sizeof(struct chcr_wr) +\
+	 kctx_len)
+#define CIPHER_TRANSHDR_SIZE(kctx_len, sge_pairs) \
+	(TRANSHDR_SIZE((kctx_len)) + (sge_pairs) +\
+	 sizeof(struct cpl_rx_phys_dsgl) + AES_BLOCK_SIZE)
+#define HASH_TRANSHDR_SIZE(kctx_len)\
+	(TRANSHDR_SIZE(kctx_len) + DUMMY_BYTES)
+
+
+#define FILL_SEC_CPL_OP_IVINSR(id, len, ofst)      \
+	htonl( \
+	       CPL_TX_SEC_PDU_OPCODE_V(CPL_TX_SEC_PDU) | \
+	       CPL_TX_SEC_PDU_RXCHID_V((id)) | \
+	       CPL_TX_SEC_PDU_ACKFOLLOWS_V(0) | \
+	       CPL_TX_SEC_PDU_ULPTXLPBK_V(1) | \
+	       CPL_TX_SEC_PDU_CPLLEN_V((len)) | \
+	       CPL_TX_SEC_PDU_PLACEHOLDER_V(0) | \
+	       CPL_TX_SEC_PDU_IVINSRTOFST_V((ofst)))
+
+#define  FILL_SEC_CPL_CIPHERSTOP_HI(a_start, a_stop, c_start, c_stop_hi) \
+	htonl( \
+	       CPL_TX_SEC_PDU_AADSTART_V((a_start)) | \
+	       CPL_TX_SEC_PDU_AADSTOP_V((a_stop)) | \
+	       CPL_TX_SEC_PDU_CIPHERSTART_V((c_start)) | \
+	       CPL_TX_SEC_PDU_CIPHERSTOP_HI_V((c_stop_hi)))
+
+#define  FILL_SEC_CPL_AUTHINSERT(c_stop_lo, a_start, a_stop, a_inst) \
+	htonl( \
+	       CPL_TX_SEC_PDU_CIPHERSTOP_LO_V((c_stop_lo)) | \
+		CPL_TX_SEC_PDU_AUTHSTART_V((a_start)) | \
+		CPL_TX_SEC_PDU_AUTHSTOP_V((a_stop)) | \
+		CPL_TX_SEC_PDU_AUTHINSERT_V((a_inst)))
+
+#define  FILL_SEC_CPL_SCMD0_SEQNO(ctrl, seq, cmode, amode, opad, size)  \
+		htonl( \
+		SCMD_SEQ_NO_CTRL_V(0) | \
+		SCMD_STATUS_PRESENT_V(0) | \
+		SCMD_PROTO_VERSION_V(CHCR_SCMD_PROTO_VERSION_GENERIC) | \
+		SCMD_ENC_DEC_CTRL_V((ctrl)) | \
+		SCMD_CIPH_AUTH_SEQ_CTRL_V((seq)) | \
+		SCMD_CIPH_MODE_V((cmode)) | \
+		SCMD_AUTH_MODE_V((amode)) | \
+		SCMD_HMAC_CTRL_V((opad)) | \
+		SCMD_IV_SIZE_V((size)) | \
+		SCMD_NUM_IVS_V(0))
+
+#define FILL_SEC_CPL_IVGEN_HDRLEN(last, more, ctx_in, mac, ivdrop, len) htonl( \
+		SCMD_ENB_DBGID_V(0) | \
+		SCMD_IV_GEN_CTRL_V(0) | \
+		SCMD_LAST_FRAG_V((last)) | \
+		SCMD_MORE_FRAGS_V((more)) | \
+		SCMD_TLS_COMPPDU_V(0) | \
+		SCMD_KEY_CTX_INLINE_V((ctx_in)) | \
+		SCMD_TLS_FRAG_ENABLE_V(0) | \
+		SCMD_MAC_ONLY_V((mac)) |  \
+		SCMD_AADIVDROP_V((ivdrop)) | \
+		SCMD_HDR_LEN_V((len)))
+
+#define  FILL_KEY_CTX_HDR(ck_size, mk_size, d_ck, opad, ctx_len) \
+		htonl(KEY_CONTEXT_VALID_V(1) | \
+		      KEY_CONTEXT_CK_SIZE_V((ck_size)) | \
+		      KEY_CONTEXT_MK_SIZE_V(mk_size) | \
+		      KEY_CONTEXT_DUAL_CK_V((d_ck)) | \
+		      KEY_CONTEXT_OPAD_PRESENT_V((opad)) | \
+		      KEY_CONTEXT_SALT_PRESENT_V(1) | \
+		      KEY_CONTEXT_CTX_LEN_V((ctx_len)))
+
+#define  FILL_KEY_CRX_HDR(ck_size, mk_size, d_ck, opad, ctx_len) \
+		htonl(TLS_KEYCTX_RXMK_SIZE_V(mk_size) | \
+		      TLS_KEYCTX_RXCK_SIZE_V(ck_size) | \
+		      TLS_KEYCTX_RX_VALID_V(1) | \
+		      TLS_KEYCTX_RX_SEQCTR_V(3) | \
+		      TLS_KEYCTX_RXAUTH_MODE_V(4) | \
+		      TLS_KEYCTX_RXCIPH_MODE_V(2) | \
+		      TLS_KEYCTX_RXFLIT_CNT_V((ctx_len)))
+
+#define FILL_WR_OP_CCTX_SIZE \
+		htonl( \
+			FW_CRYPTO_LOOKASIDE_WR_OPCODE_V( \
+			FW_CRYPTO_LOOKASIDE_WR) | \
+			FW_CRYPTO_LOOKASIDE_WR_COMPL_V(0) | \
+			FW_CRYPTO_LOOKASIDE_WR_IMM_LEN_V((0)) | \
+			FW_CRYPTO_LOOKASIDE_WR_CCTX_LOC_V(0) | \
+			FW_CRYPTO_LOOKASIDE_WR_CCTX_SIZE_V(0))
+
+#define FILL_WR_RX_Q_ID(cid, qid, lcb, fid) \
+		htonl( \
+			FW_CRYPTO_LOOKASIDE_WR_RX_CHID_V((cid)) | \
+			FW_CRYPTO_LOOKASIDE_WR_RX_Q_ID_V((qid)) | \
+			FW_CRYPTO_LOOKASIDE_WR_LCB_V((lcb)) | \
+			FW_CRYPTO_LOOKASIDE_WR_IV_V((IV_NOP)) | \
+			FW_CRYPTO_LOOKASIDE_WR_FQIDX_V(fid))
+
+#define FILL_ULPTX_CMD_DEST(cid, qid) \
+	htonl(ULPTX_CMD_V(ULP_TX_PKT) | \
+	      ULP_TXPKT_DEST_V(0) | \
+	      ULP_TXPKT_DATAMODIFY_V(0) | \
+	      ULP_TXPKT_CHANNELID_V((cid)) | \
+	      ULP_TXPKT_RO_V(1) | \
+	      ULP_TXPKT_FID_V(qid))
+
+#define KEYCTX_ALIGN_PAD(bs) ({unsigned int _bs = (bs);\
+			      _bs == SHA1_DIGEST_SIZE ? 12 : 0; })
+
+#define FILL_PLD_SIZE_HASH_SIZE(payload_sgl_len, sgl_lengths, total_frags) \
+	htonl(FW_CRYPTO_LOOKASIDE_WR_PLD_SIZE_V(payload_sgl_len ? \
+						sgl_lengths[total_frags] : 0) |\
+	      FW_CRYPTO_LOOKASIDE_WR_HASH_SIZE_V(0))
+
+#define FILL_LEN_PKD(calc_tx_flits_ofld, skb) \
+	htonl(FW_CRYPTO_LOOKASIDE_WR_LEN16_V(DIV_ROUND_UP((\
+					   calc_tx_flits_ofld(skb) * 8), 16)))
+
+#define FILL_CMD_MORE(immdatalen) htonl(ULPTX_CMD_V(ULP_TX_SC_IMM) |\
+					ULP_TX_SC_MORE_V((immdatalen)))
+#define MAX_NK 8
+#define MAX_DSGL_ENT			32
+#define MIN_AUTH_SG			1 /* IV */
+#define MIN_GCM_SG			1 /* IV */
+#define MIN_DIGEST_SG			1 /*Partial Buffer*/
+#define MIN_CCM_SG			2 /*IV+B0*/
+#define CIP_SPACE_LEFT(len) \
+	((SGE_MAX_WR_LEN - CIP_WR_MIN_LEN - (len)))
+#define HASH_SPACE_LEFT(len) \
+	((SGE_MAX_WR_LEN - HASH_WR_MIN_LEN - (len)))
+
+struct algo_param {
+	unsigned int auth_mode;
+	unsigned int mk_size;
+	unsigned int result_size;
+};
+
+struct hash_wr_param {
+	struct algo_param alg_prm;
+	unsigned int opad_needed;
+	unsigned int more;
+	unsigned int last;
+	unsigned int kctx_len;
+	unsigned int sg_len;
+	unsigned int bfr_len;
+	unsigned int hash_size;
+	u64 scmd1;
+};
+
+struct cipher_wr_param {
+	struct ablkcipher_request *req;
+	char *iv;
+	int bytes;
+	unsigned short qid;
+};
+enum {
+	AES_KEYLENGTH_128BIT = 128,
+	AES_KEYLENGTH_192BIT = 192,
+	AES_KEYLENGTH_256BIT = 256
+};
+
+enum {
+	KEYLENGTH_3BYTES = 3,
+	KEYLENGTH_4BYTES = 4,
+	KEYLENGTH_6BYTES = 6,
+	KEYLENGTH_8BYTES = 8
+};
+
+enum {
+	NUMBER_OF_ROUNDS_10 = 10,
+	NUMBER_OF_ROUNDS_12 = 12,
+	NUMBER_OF_ROUNDS_14 = 14,
+};
+
+/*
+ * CCM defines values of 4, 6, 8, 10, 12, 14, and 16 octets,
+ * where they indicate the size of the integrity check value (ICV)
+ */
+enum {
+	ICV_4  = 4,
+	ICV_6  = 6,
+	ICV_8  = 8,
+	ICV_10 = 10,
+	ICV_12 = 12,
+	ICV_13 = 13,
+	ICV_14 = 14,
+	ICV_15 = 15,
+	ICV_16 = 16
+};
+
+struct phys_sge_pairs {
+	__be16 len[8];
+	__be64 addr[8];
+};
+
+
+static const u32 sha1_init[SHA1_DIGEST_SIZE / 4] = {
+		SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4,
+};
+
+static const u32 sha224_init[SHA256_DIGEST_SIZE / 4] = {
+		SHA224_H0, SHA224_H1, SHA224_H2, SHA224_H3,
+		SHA224_H4, SHA224_H5, SHA224_H6, SHA224_H7,
+};
+
+static const u32 sha256_init[SHA256_DIGEST_SIZE / 4] = {
+		SHA256_H0, SHA256_H1, SHA256_H2, SHA256_H3,
+		SHA256_H4, SHA256_H5, SHA256_H6, SHA256_H7,
+};
+
+static const u64 sha384_init[SHA512_DIGEST_SIZE / 8] = {
+		SHA384_H0, SHA384_H1, SHA384_H2, SHA384_H3,
+		SHA384_H4, SHA384_H5, SHA384_H6, SHA384_H7,
+};
+
+static const u64 sha512_init[SHA512_DIGEST_SIZE / 8] = {
+		SHA512_H0, SHA512_H1, SHA512_H2, SHA512_H3,
+		SHA512_H4, SHA512_H5, SHA512_H6, SHA512_H7,
+};
+
+static inline void copy_hash_init_values(char *key, int digestsize)
+{
+	u8 i;
+	__be32 *dkey = (__be32 *)key;
+	u64 *ldkey = (u64 *)key;
+	__be64 *sha384 = (__be64 *)sha384_init;
+	__be64 *sha512 = (__be64 *)sha512_init;
+
+	switch (digestsize) {
+	case SHA1_DIGEST_SIZE:
+		for (i = 0; i < SHA1_INIT_STATE; i++)
+			dkey[i] = cpu_to_be32(sha1_init[i]);
+		break;
+	case SHA224_DIGEST_SIZE:
+		for (i = 0; i < SHA224_INIT_STATE; i++)
+			dkey[i] = cpu_to_be32(sha224_init[i]);
+		break;
+	case SHA256_DIGEST_SIZE:
+		for (i = 0; i < SHA256_INIT_STATE; i++)
+			dkey[i] = cpu_to_be32(sha256_init[i]);
+		break;
+	case SHA384_DIGEST_SIZE:
+		for (i = 0; i < SHA384_INIT_STATE; i++)
+			ldkey[i] = be64_to_cpu(sha384[i]);
+		break;
+	case SHA512_DIGEST_SIZE:
+		for (i = 0; i < SHA512_INIT_STATE; i++)
+			ldkey[i] = be64_to_cpu(sha512[i]);
+		break;
+	}
+}
+
+static const u8 sgl_lengths[20] = {
+	0, 1, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 13, 14, 15
+};
+
+/* Number of len fields(8) * size of one addr field */
+#define PHYSDSGL_MAX_LEN_SIZE 16
+
+static inline u16 get_space_for_phys_dsgl(unsigned int sgl_entr)
+{
+	/* len field size + addr field size */
+	return ((sgl_entr >> 3) + ((sgl_entr % 8) ?
+				   1 : 0)) * PHYSDSGL_MAX_LEN_SIZE +
+		(sgl_entr << 3) + ((sgl_entr % 2 ? 1 : 0) << 3);
+}
+
+/* The AES s-transform matrix (s-box). */
+static const u8 aes_sbox[256] = {
+	99,  124, 119, 123, 242, 107, 111, 197, 48,  1,   103, 43,  254, 215,
+	171, 118, 202, 130, 201, 125, 250, 89,  71,  240, 173, 212, 162, 175,
+	156, 164, 114, 192, 183, 253, 147, 38,  54,  63,  247, 204, 52,  165,
+	229, 241, 113, 216, 49,  21, 4,   199, 35,  195, 24,  150, 5, 154, 7,
+	18,  128, 226, 235, 39,  178, 117, 9,   131, 44,  26,  27,  110, 90,
+	160, 82,  59,  214, 179, 41,  227, 47,  132, 83,  209, 0,   237, 32,
+	252, 177, 91,  106, 203, 190, 57,  74,  76,  88,  207, 208, 239, 170,
+	251, 67,  77,  51,  133, 69,  249, 2,   127, 80,  60,  159, 168, 81,
+	163, 64,  143, 146, 157, 56,  245, 188, 182, 218, 33,  16,  255, 243,
+	210, 205, 12,  19,  236, 95,  151, 68,  23,  196, 167, 126, 61,  100,
+	93,  25,  115, 96,  129, 79,  220, 34,  42,  144, 136, 70,  238, 184,
+	20,  222, 94,  11,  219, 224, 50,  58,  10,  73,  6,   36,  92,  194,
+	211, 172, 98,  145, 149, 228, 121, 231, 200, 55,  109, 141, 213, 78,
+	169, 108, 86,  244, 234, 101, 122, 174, 8, 186, 120, 37,  46,  28, 166,
+	180, 198, 232, 221, 116, 31,  75,  189, 139, 138, 112, 62,  181, 102,
+	72,  3,   246, 14,  97,  53,  87,  185, 134, 193, 29,  158, 225, 248,
+	152, 17,  105, 217, 142, 148, 155, 30,  135, 233, 206, 85,  40,  223,
+	140, 161, 137, 13,  191, 230, 66,  104, 65,  153, 45,  15,  176, 84,
+	187, 22
+};
+
+static inline u32 aes_ks_subword(const u32 w)
+{
+	u8 bytes[4];
+
+	*(u32 *)(&bytes[0]) = w;
+	bytes[0] = aes_sbox[bytes[0]];
+	bytes[1] = aes_sbox[bytes[1]];
+	bytes[2] = aes_sbox[bytes[2]];
+	bytes[3] = aes_sbox[bytes[3]];
+	return *(u32 *)(&bytes[0]);
+}
+
+#endif /* __CHCR_ALGO_H__ */