Move files to match FreeBSD layout

1 files changed, 815 insertions, 0 deletions

diff --git a/freebsd/sys/opencrypto/xform.c b/freebsd/sys/opencrypto/xform.c
new file mode 100644
index 00000000..e54a6740
--- /dev/null
+++ b/freebsd/sys/opencrypto/xform.c
@@ -0,0 +1,815 @@
+#include <freebsd/machine/rtems-bsd-config.h>
+
+/*	$OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $	*/
+/*-
+ * The authors of this code are John Ioannidis (ji@tla.org),
+ * Angelos D. Keromytis (kermit@csd.uch.gr) and
+ * Niels Provos (provos@physnet.uni-hamburg.de).
+ *
+ * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
+ * in November 1995.
+ *
+ * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
+ * by Angelos D. Keromytis.
+ *
+ * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
+ * and Niels Provos.
+ *
+ * Additional features in 1999 by Angelos D. Keromytis.
+ *
+ * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
+ * Angelos D. Keromytis and Niels Provos.
+ *
+ * Copyright (C) 2001, Angelos D. Keromytis.
+ *
+ * Permission to use, copy, and modify this software with or without fee
+ * is hereby granted, provided that this entire notice is included in
+ * all copies of any software which is or includes a copy or
+ * modification of this software.
+ * You may use this code under the GNU public license if you so wish. Please
+ * contribute changes back to the authors under this freer than GPL license
+ * so that we may further the use of strong encryption without limitations to
+ * all.
+ *
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
+ * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
+ * PURPOSE.
+ */
+
+#include <freebsd/sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <freebsd/sys/param.h>
+#include <freebsd/sys/systm.h>
+#include <freebsd/sys/malloc.h>
+#include <freebsd/sys/sysctl.h>
+#include <freebsd/sys/errno.h>
+#include <freebsd/sys/time.h>
+#include <freebsd/sys/kernel.h>
+#include <freebsd/machine/cpu.h>
+
+#include <freebsd/crypto/blowfish/blowfish.h>
+#include <freebsd/crypto/des/des.h>
+#include <freebsd/crypto/rijndael/rijndael.h>
+#include <freebsd/crypto/camellia/camellia.h>
+#include <freebsd/crypto/sha1.h>
+
+#include <freebsd/opencrypto/cast.h>
+#include <freebsd/opencrypto/deflate.h>
+#include <freebsd/opencrypto/rmd160.h>
+#include <freebsd/opencrypto/skipjack.h>
+
+#include <freebsd/sys/md5.h>
+
+#include <freebsd/opencrypto/cryptodev.h>
+#include <freebsd/opencrypto/xform.h>
+
+static	int null_setkey(u_int8_t **, u_int8_t *, int);
+static	int des1_setkey(u_int8_t **, u_int8_t *, int);
+static	int des3_setkey(u_int8_t **, u_int8_t *, int);
+static	int blf_setkey(u_int8_t **, u_int8_t *, int);
+static	int cast5_setkey(u_int8_t **, u_int8_t *, int);
+static	int skipjack_setkey(u_int8_t **, u_int8_t *, int);
+static	int rijndael128_setkey(u_int8_t **, u_int8_t *, int);
+static	int aes_xts_setkey(u_int8_t **, u_int8_t *, int);
+static	int cml_setkey(u_int8_t **, u_int8_t *, int);
+
+static	void null_encrypt(caddr_t, u_int8_t *);
+static	void des1_encrypt(caddr_t, u_int8_t *);
+static	void des3_encrypt(caddr_t, u_int8_t *);
+static	void blf_encrypt(caddr_t, u_int8_t *);
+static	void cast5_encrypt(caddr_t, u_int8_t *);
+static	void skipjack_encrypt(caddr_t, u_int8_t *);
+static	void rijndael128_encrypt(caddr_t, u_int8_t *);
+static	void aes_xts_encrypt(caddr_t, u_int8_t *);
+static	void cml_encrypt(caddr_t, u_int8_t *);
+
+static	void null_decrypt(caddr_t, u_int8_t *);
+static	void des1_decrypt(caddr_t, u_int8_t *);
+static	void des3_decrypt(caddr_t, u_int8_t *);
+static	void blf_decrypt(caddr_t, u_int8_t *);
+static	void cast5_decrypt(caddr_t, u_int8_t *);
+static	void skipjack_decrypt(caddr_t, u_int8_t *);
+static	void rijndael128_decrypt(caddr_t, u_int8_t *);
+static	void aes_xts_decrypt(caddr_t, u_int8_t *);
+static	void cml_decrypt(caddr_t, u_int8_t *);
+
+static	void null_zerokey(u_int8_t **);
+static	void des1_zerokey(u_int8_t **);
+static	void des3_zerokey(u_int8_t **);
+static	void blf_zerokey(u_int8_t **);
+static	void cast5_zerokey(u_int8_t **);
+static	void skipjack_zerokey(u_int8_t **);
+static	void rijndael128_zerokey(u_int8_t **);
+static	void aes_xts_zerokey(u_int8_t **);
+static	void cml_zerokey(u_int8_t **);
+
+static	void aes_xts_reinit(caddr_t, u_int8_t *);
+
+static	void null_init(void *);
+static	int null_update(void *, u_int8_t *, u_int16_t);
+static	void null_final(u_int8_t *, void *);
+static	int MD5Update_int(void *, u_int8_t *, u_int16_t);
+static	void SHA1Init_int(void *);
+static	int SHA1Update_int(void *, u_int8_t *, u_int16_t);
+static	void SHA1Final_int(u_int8_t *, void *);
+static	int RMD160Update_int(void *, u_int8_t *, u_int16_t);
+static	int SHA256Update_int(void *, u_int8_t *, u_int16_t);
+static	int SHA384Update_int(void *, u_int8_t *, u_int16_t);
+static	int SHA512Update_int(void *, u_int8_t *, u_int16_t);
+
+static	u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **);
+static	u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **);
+
+MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers");
+
+/* Encryption instances */
+struct enc_xform enc_xform_null = {
+	CRYPTO_NULL_CBC, "NULL",
+	/* NB: blocksize of 4 is to generate a properly aligned ESP header */
+	NULL_BLOCK_LEN, 0, 256, /* 2048 bits, max key */
+	null_encrypt,
+	null_decrypt,
+	null_setkey,
+	null_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_des = {
+	CRYPTO_DES_CBC, "DES",
+	DES_BLOCK_LEN, 8, 8,
+	des1_encrypt,
+	des1_decrypt,
+	des1_setkey,
+	des1_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_3des = {
+	CRYPTO_3DES_CBC, "3DES",
+	DES3_BLOCK_LEN, 24, 24,
+	des3_encrypt,
+	des3_decrypt,
+	des3_setkey,
+	des3_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_blf = {
+	CRYPTO_BLF_CBC, "Blowfish",
+	BLOWFISH_BLOCK_LEN, 5, 56 /* 448 bits, max key */,
+	blf_encrypt,
+	blf_decrypt,
+	blf_setkey,
+	blf_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_cast5 = {
+	CRYPTO_CAST_CBC, "CAST-128",
+	CAST128_BLOCK_LEN, 5, 16,
+	cast5_encrypt,
+	cast5_decrypt,
+	cast5_setkey,
+	cast5_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_skipjack = {
+	CRYPTO_SKIPJACK_CBC, "Skipjack",
+	SKIPJACK_BLOCK_LEN, 10, 10,
+	skipjack_encrypt,
+	skipjack_decrypt,
+	skipjack_setkey,
+	skipjack_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_rijndael128 = {
+	CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES",
+	RIJNDAEL128_BLOCK_LEN, 8, 32,
+	rijndael128_encrypt,
+	rijndael128_decrypt,
+	rijndael128_setkey,
+	rijndael128_zerokey,
+	NULL
+};
+
+struct enc_xform enc_xform_aes_xts = {
+	CRYPTO_AES_XTS, "AES-XTS",
+	RIJNDAEL128_BLOCK_LEN, 32, 64,
+	aes_xts_encrypt,
+	aes_xts_decrypt,
+	aes_xts_setkey,
+	aes_xts_zerokey,
+	aes_xts_reinit
+};
+
+struct enc_xform enc_xform_arc4 = {
+	CRYPTO_ARC4, "ARC4",
+	1, 1, 32,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL
+};
+
+struct enc_xform enc_xform_camellia = {
+	CRYPTO_CAMELLIA_CBC, "Camellia",
+	CAMELLIA_BLOCK_LEN, 8, 32,
+	cml_encrypt,
+	cml_decrypt,
+	cml_setkey,
+	cml_zerokey,
+	NULL
+};
+
+/* Authentication instances */
+struct auth_hash auth_hash_null = {
+	CRYPTO_NULL_HMAC, "NULL-HMAC",
+	0, NULL_HASH_LEN, NULL_HMAC_BLOCK_LEN, sizeof(int),	/* NB: context isn't used */
+	null_init, null_update, null_final
+};
+
+struct auth_hash auth_hash_hmac_md5 = {
+	CRYPTO_MD5_HMAC, "HMAC-MD5",
+	16, MD5_HASH_LEN, MD5_HMAC_BLOCK_LEN, sizeof(MD5_CTX),
+	(void (*) (void *)) MD5Init, MD5Update_int,
+	(void (*) (u_int8_t *, void *)) MD5Final
+};
+
+struct auth_hash auth_hash_hmac_sha1 = {
+	CRYPTO_SHA1_HMAC, "HMAC-SHA1",
+	20, SHA1_HASH_LEN, SHA1_HMAC_BLOCK_LEN, sizeof(SHA1_CTX),
+	SHA1Init_int, SHA1Update_int, SHA1Final_int
+};
+
+struct auth_hash auth_hash_hmac_ripemd_160 = {
+	CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160",
+	20, RIPEMD160_HASH_LEN, RIPEMD160_HMAC_BLOCK_LEN, sizeof(RMD160_CTX),
+	(void (*)(void *)) RMD160Init, RMD160Update_int,
+	(void (*)(u_int8_t *, void *)) RMD160Final
+};
+
+struct auth_hash auth_hash_key_md5 = {
+	CRYPTO_MD5_KPDK, "Keyed MD5",
+	0, MD5_KPDK_HASH_LEN, 0, sizeof(MD5_CTX),
+	(void (*)(void *)) MD5Init, MD5Update_int,
+	(void (*)(u_int8_t *, void *)) MD5Final
+};
+
+struct auth_hash auth_hash_key_sha1 = {
+	CRYPTO_SHA1_KPDK, "Keyed SHA1",
+	0, SHA1_KPDK_HASH_LEN, 0, sizeof(SHA1_CTX),
+	SHA1Init_int, SHA1Update_int, SHA1Final_int
+};
+
+struct auth_hash auth_hash_hmac_sha2_256 = {
+	CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256",
+	32, SHA2_256_HASH_LEN, SHA2_256_HMAC_BLOCK_LEN, sizeof(SHA256_CTX),
+	(void (*)(void *)) SHA256_Init, SHA256Update_int,
+	(void (*)(u_int8_t *, void *)) SHA256_Final
+};
+
+struct auth_hash auth_hash_hmac_sha2_384 = {
+	CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384",
+	48, SHA2_384_HASH_LEN, SHA2_384_HMAC_BLOCK_LEN, sizeof(SHA384_CTX),
+	(void (*)(void *)) SHA384_Init, SHA384Update_int,
+	(void (*)(u_int8_t *, void *)) SHA384_Final
+};
+
+struct auth_hash auth_hash_hmac_sha2_512 = {
+	CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512",
+	64, SHA2_512_HASH_LEN, SHA2_512_HMAC_BLOCK_LEN, sizeof(SHA512_CTX),
+	(void (*)(void *)) SHA512_Init, SHA512Update_int,
+	(void (*)(u_int8_t *, void *)) SHA512_Final
+};
+
+/* Compression instance */
+struct comp_algo comp_algo_deflate = {
+	CRYPTO_DEFLATE_COMP, "Deflate",
+	90, deflate_compress,
+	deflate_decompress
+};
+
+/*
+ * Encryption wrapper routines.
+ */
+static void
+null_encrypt(caddr_t key, u_int8_t *blk)
+{
+}
+static void
+null_decrypt(caddr_t key, u_int8_t *blk)
+{
+}
+static int
+null_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	*sched = NULL;
+	return 0;
+}
+static void
+null_zerokey(u_int8_t **sched)
+{
+	*sched = NULL;
+}
+
+static void
+des1_encrypt(caddr_t key, u_int8_t *blk)
+{
+	des_cblock *cb = (des_cblock *) blk;
+	des_key_schedule *p = (des_key_schedule *) key;
+
+	des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT);
+}
+
+static void
+des1_decrypt(caddr_t key, u_int8_t *blk)
+{
+	des_cblock *cb = (des_cblock *) blk;
+	des_key_schedule *p = (des_key_schedule *) key;
+
+	des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT);
+}
+
+static int
+des1_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	des_key_schedule *p;
+	int err;
+
+	p = malloc(sizeof (des_key_schedule),
+		M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
+	if (p != NULL) {
+		des_set_key((des_cblock *) key, p[0]);
+		err = 0;
+	} else
+		err = ENOMEM;
+	*sched = (u_int8_t *) p;
+	return err;
+}
+
+static void
+des1_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, sizeof (des_key_schedule));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+static void
+des3_encrypt(caddr_t key, u_int8_t *blk)
+{
+	des_cblock *cb = (des_cblock *) blk;
+	des_key_schedule *p = (des_key_schedule *) key;
+
+	des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT);
+}
+
+static void
+des3_decrypt(caddr_t key, u_int8_t *blk)
+{
+	des_cblock *cb = (des_cblock *) blk;
+	des_key_schedule *p = (des_key_schedule *) key;
+
+	des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT);
+}
+
+static int
+des3_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	des_key_schedule *p;
+	int err;
+
+	p = malloc(3*sizeof (des_key_schedule),
+		M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
+	if (p != NULL) {
+		des_set_key((des_cblock *)(key +  0), p[0]);
+		des_set_key((des_cblock *)(key +  8), p[1]);
+		des_set_key((des_cblock *)(key + 16), p[2]);
+		err = 0;
+	} else
+		err = ENOMEM;
+	*sched = (u_int8_t *) p;
+	return err;
+}
+
+static void
+des3_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, 3*sizeof (des_key_schedule));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+static void
+blf_encrypt(caddr_t key, u_int8_t *blk)
+{
+	BF_LONG t[2];
+
+	memcpy(t, blk, sizeof (t));
+	t[0] = ntohl(t[0]);
+	t[1] = ntohl(t[1]);
+	/* NB: BF_encrypt expects the block in host order! */
+	BF_encrypt(t, (BF_KEY *) key);
+	t[0] = htonl(t[0]);
+	t[1] = htonl(t[1]);
+	memcpy(blk, t, sizeof (t));
+}
+
+static void
+blf_decrypt(caddr_t key, u_int8_t *blk)
+{
+	BF_LONG t[2];
+
+	memcpy(t, blk, sizeof (t));
+	t[0] = ntohl(t[0]);
+	t[1] = ntohl(t[1]);
+	/* NB: BF_decrypt expects the block in host order! */
+	BF_decrypt(t, (BF_KEY *) key);
+	t[0] = htonl(t[0]);
+	t[1] = htonl(t[1]);
+	memcpy(blk, t, sizeof (t));
+}
+
+static int
+blf_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	int err;
+
+	*sched = malloc(sizeof(BF_KEY),
+		M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
+	if (*sched != NULL) {
+		BF_set_key((BF_KEY *) *sched, len, key);
+		err = 0;
+	} else
+		err = ENOMEM;
+	return err;
+}
+
+static void
+blf_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, sizeof(BF_KEY));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+static void
+cast5_encrypt(caddr_t key, u_int8_t *blk)
+{
+	cast_encrypt((cast_key *) key, blk, blk);
+}
+
+static void
+cast5_decrypt(caddr_t key, u_int8_t *blk)
+{
+	cast_decrypt((cast_key *) key, blk, blk);
+}
+
+static int
+cast5_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	int err;
+
+	*sched = malloc(sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
+	if (*sched != NULL) {
+		cast_setkey((cast_key *)*sched, key, len);
+		err = 0;
+	} else
+		err = ENOMEM;
+	return err;
+}
+
+static void
+cast5_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, sizeof(cast_key));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+static void
+skipjack_encrypt(caddr_t key, u_int8_t *blk)
+{
+	skipjack_forwards(blk, blk, (u_int8_t **) key);
+}
+
+static void
+skipjack_decrypt(caddr_t key, u_int8_t *blk)
+{
+	skipjack_backwards(blk, blk, (u_int8_t **) key);
+}
+
+static int
+skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	int err;
+
+	/* NB: allocate all the memory that's needed at once */
+	*sched = malloc(10 * (sizeof(u_int8_t *) + 0x100),
+		M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
+	if (*sched != NULL) {
+		u_int8_t** key_tables = (u_int8_t**) *sched;
+		u_int8_t* table = (u_int8_t*) &key_tables[10];
+		int k;
+
+		for (k = 0; k < 10; k++) {
+			key_tables[k] = table;
+			table += 0x100;
+		}
+		subkey_table_gen(key, (u_int8_t **) *sched);
+		err = 0;
+	} else
+		err = ENOMEM;
+	return err;
+}
+
+static void
+skipjack_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+static void
+rijndael128_encrypt(caddr_t key, u_int8_t *blk)
+{
+	rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk);
+}
+
+static void
+rijndael128_decrypt(caddr_t key, u_int8_t *blk)
+{
+	rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk,
+	    (u_char *) blk);
+}
+
+static int
+rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	int err;
+
+	if (len != 16 && len != 24 && len != 32)
+		return (EINVAL);
+	*sched = malloc(sizeof(rijndael_ctx), M_CRYPTO_DATA,
+	    M_NOWAIT|M_ZERO);
+	if (*sched != NULL) {
+		rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key,
+		    len * 8);
+		err = 0;
+	} else
+		err = ENOMEM;
+	return err;
+}
+
+static void
+rijndael128_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, sizeof(rijndael_ctx));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+#define	AES_XTS_BLOCKSIZE	16
+#define	AES_XTS_IVSIZE		8
+#define	AES_XTS_ALPHA		0x87	/* GF(2^128) generator polynomial */
+
+struct aes_xts_ctx {
+	rijndael_ctx key1;
+	rijndael_ctx key2;
+	u_int8_t tweak[AES_XTS_BLOCKSIZE];
+};
+
+void
+aes_xts_reinit(caddr_t key, u_int8_t *iv)
+{
+	struct aes_xts_ctx *ctx = (struct aes_xts_ctx *)key;
+	u_int64_t blocknum;
+	u_int i;
+
+	/*
+	 * Prepare tweak as E_k2(IV). IV is specified as LE representation
+	 * of a 64-bit block number which we allow to be passed in directly.
+	 */
+	bcopy(iv, &blocknum, AES_XTS_IVSIZE);
+	for (i = 0; i < AES_XTS_IVSIZE; i++) {
+		ctx->tweak[i] = blocknum & 0xff;
+		blocknum >>= 8;
+	}
+	/* Last 64 bits of IV are always zero */
+	bzero(ctx->tweak + AES_XTS_IVSIZE, AES_XTS_IVSIZE);
+
+	rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak);
+}
+
+static void
+aes_xts_crypt(struct aes_xts_ctx *ctx, u_int8_t *data, u_int do_encrypt)
+{
+	u_int8_t block[AES_XTS_BLOCKSIZE];
+	u_int i, carry_in, carry_out;
+
+	for (i = 0; i < AES_XTS_BLOCKSIZE; i++)
+		block[i] = data[i] ^ ctx->tweak[i];
+
+	if (do_encrypt)
+		rijndael_encrypt(&ctx->key1, block, data);
+	else
+		rijndael_decrypt(&ctx->key1, block, data);
+
+	for (i = 0; i < AES_XTS_BLOCKSIZE; i++)
+		data[i] ^= ctx->tweak[i];
+
+	/* Exponentiate tweak */
+	carry_in = 0;
+	for (i = 0; i < AES_XTS_BLOCKSIZE; i++) {
+		carry_out = ctx->tweak[i] & 0x80;
+		ctx->tweak[i] = (ctx->tweak[i] << 1) | (carry_in ? 1 : 0);
+		carry_in = carry_out;
+	}
+	if (carry_in)
+		ctx->tweak[0] ^= AES_XTS_ALPHA;
+	bzero(block, sizeof(block));
+}
+
+void
+aes_xts_encrypt(caddr_t key, u_int8_t *data)
+{
+	aes_xts_crypt((struct aes_xts_ctx *)key, data, 1);
+}
+
+void
+aes_xts_decrypt(caddr_t key, u_int8_t *data)
+{
+	aes_xts_crypt((struct aes_xts_ctx *)key, data, 0);
+}
+
+int
+aes_xts_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	struct aes_xts_ctx *ctx;
+
+	if (len != 32 && len != 64)
+		return EINVAL;
+
+	*sched = malloc(sizeof(struct aes_xts_ctx), M_CRYPTO_DATA,
+	    M_NOWAIT | M_ZERO);
+	if (*sched == NULL)
+		return ENOMEM;
+	ctx = (struct aes_xts_ctx *)*sched;
+
+	rijndael_set_key(&ctx->key1, key, len * 4);
+	rijndael_set_key(&ctx->key2, key + (len / 2), len * 4);
+
+	return 0;
+}
+
+void
+aes_xts_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, sizeof(struct aes_xts_ctx));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+static void
+cml_encrypt(caddr_t key, u_int8_t *blk)
+{
+	camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk);
+}
+
+static void
+cml_decrypt(caddr_t key, u_int8_t *blk)
+{
+	camellia_decrypt(((camellia_ctx *) key), (u_char *) blk,
+	    (u_char *) blk);
+}
+
+static int
+cml_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	int err;
+
+	if (len != 16 && len != 24 && len != 32)
+		return (EINVAL);
+	*sched = malloc(sizeof(camellia_ctx), M_CRYPTO_DATA,
+	    M_NOWAIT|M_ZERO);
+	if (*sched != NULL) {
+		camellia_set_key((camellia_ctx *) *sched, (u_char *) key,
+		    len * 8);
+		err = 0;
+	} else
+		err = ENOMEM;
+	return err;
+}
+
+static void
+cml_zerokey(u_int8_t **sched)
+{
+	bzero(*sched, sizeof(camellia_ctx));
+	free(*sched, M_CRYPTO_DATA);
+	*sched = NULL;
+}
+
+/*
+ * And now for auth.
+ */
+
+static void
+null_init(void *ctx)
+{
+}
+
+static int
+null_update(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	return 0;
+}
+
+static void
+null_final(u_int8_t *buf, void *ctx)
+{
+	if (buf != (u_int8_t *) 0)
+		bzero(buf, 12);
+}
+
+static int
+RMD160Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	RMD160Update(ctx, buf, len);
+	return 0;
+}
+
+static int
+MD5Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	MD5Update(ctx, buf, len);
+	return 0;
+}
+
+static void
+SHA1Init_int(void *ctx)
+{
+	SHA1Init(ctx);
+}
+
+static int
+SHA1Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	SHA1Update(ctx, buf, len);
+	return 0;
+}
+
+static void
+SHA1Final_int(u_int8_t *blk, void *ctx)
+{
+	SHA1Final(blk, ctx);
+}
+
+static int
+SHA256Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	SHA256_Update(ctx, buf, len);
+	return 0;
+}
+
+static int
+SHA384Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	SHA384_Update(ctx, buf, len);
+	return 0;
+}
+
+static int
+SHA512Update_int(void *ctx, u_int8_t *buf, u_int16_t len)
+{
+	SHA512_Update(ctx, buf, len);
+	return 0;
+}
+
+/*
+ * And compression
+ */
+
+static u_int32_t
+deflate_compress(data, size, out)
+	u_int8_t *data;
+	u_int32_t size;
+	u_int8_t **out;
+{
+	return deflate_global(data, size, 0, out);
+}
+
+static u_int32_t
+deflate_decompress(data, size, out)
+	u_int8_t *data;
+	u_int32_t size;
+	u_int8_t **out;
+{
+	return deflate_global(data, size, 1, out);
+}