+++ /dev/null
-/* $FreeBSD: src/sys/opencrypto/cryptodev.h,v 1.25 2007/05/09 19:37:02 gnn Exp $ */
-/* $OpenBSD: cryptodev.h,v 1.31 2002/06/11 11:14:29 beck Exp $ */
-
-/*-
- * Linux port done by David McCullough <david_mccullough@mcafee.com>
- * Copyright (C) 2006-2010 David McCullough
- * Copyright (C) 2004-2005 Intel Corporation.
- * The license and original author are listed below.
- *
- * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
- * Copyright (c) 2002-2006 Sam Leffler, Errno Consulting
- *
- * This code was written by Angelos D. Keromytis in Athens, Greece, in
- * February 2000. Network Security Technologies Inc. (NSTI) kindly
- * supported the development of this code.
- *
- * Copyright (c) 2000 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 source code copies of any software which is or includes a copy or
- * modification of this software.
- *
- * 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.
- *
- * Copyright (c) 2001 Theo de Raadt
- *
- * 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. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
- *
- * Effort sponsored in part by the Defense Advanced Research Projects
- * Agency (DARPA) and Air Force Research Laboratory, Air Force
- * Materiel Command, USAF, under agreement number F30602-01-2-0537.
- *
- */
-
-#ifndef _CRYPTO_CRYPTO_H_
-#define _CRYPTO_CRYPTO_H_
-
-/* Some initial values */
-#define CRYPTO_DRIVERS_INITIAL 4
-#define CRYPTO_SW_SESSIONS 32
-
-/* Hash values */
-#define NULL_HASH_LEN 0
-#define MD5_HASH_LEN 16
-#define SHA1_HASH_LEN 20
-#define RIPEMD160_HASH_LEN 20
-#define SHA2_256_HASH_LEN 32
-#define SHA2_384_HASH_LEN 48
-#define SHA2_512_HASH_LEN 64
-#define MD5_KPDK_HASH_LEN 16
-#define SHA1_KPDK_HASH_LEN 20
-/* Maximum hash algorithm result length */
-#define HASH_MAX_LEN SHA2_512_HASH_LEN /* Keep this updated */
-
-/* HMAC values */
-#define NULL_HMAC_BLOCK_LEN 1
-#define MD5_HMAC_BLOCK_LEN 64
-#define SHA1_HMAC_BLOCK_LEN 64
-#define RIPEMD160_HMAC_BLOCK_LEN 64
-#define SHA2_256_HMAC_BLOCK_LEN 64
-#define SHA2_384_HMAC_BLOCK_LEN 128
-#define SHA2_512_HMAC_BLOCK_LEN 128
-/* Maximum HMAC block length */
-#define HMAC_MAX_BLOCK_LEN SHA2_512_HMAC_BLOCK_LEN /* Keep this updated */
-#define HMAC_IPAD_VAL 0x36
-#define HMAC_OPAD_VAL 0x5C
-
-/* Encryption algorithm block sizes */
-#define NULL_BLOCK_LEN 1
-#define DES_BLOCK_LEN 8
-#define DES3_BLOCK_LEN 8
-#define BLOWFISH_BLOCK_LEN 8
-#define SKIPJACK_BLOCK_LEN 8
-#define CAST128_BLOCK_LEN 8
-#define RIJNDAEL128_BLOCK_LEN 16
-#define AES_BLOCK_LEN RIJNDAEL128_BLOCK_LEN
-#define CAMELLIA_BLOCK_LEN 16
-#define ARC4_BLOCK_LEN 1
-#define EALG_MAX_BLOCK_LEN AES_BLOCK_LEN /* Keep this updated */
-
-/* Encryption algorithm min and max key sizes */
-#define NULL_MIN_KEY_LEN 0
-#define NULL_MAX_KEY_LEN 0
-#define DES_MIN_KEY_LEN 8
-#define DES_MAX_KEY_LEN 8
-#define DES3_MIN_KEY_LEN 24
-#define DES3_MAX_KEY_LEN 24
-#define BLOWFISH_MIN_KEY_LEN 4
-#define BLOWFISH_MAX_KEY_LEN 56
-#define SKIPJACK_MIN_KEY_LEN 10
-#define SKIPJACK_MAX_KEY_LEN 10
-#define CAST128_MIN_KEY_LEN 5
-#define CAST128_MAX_KEY_LEN 16
-#define RIJNDAEL128_MIN_KEY_LEN 16
-#define RIJNDAEL128_MAX_KEY_LEN 32
-#define AES_MIN_KEY_LEN RIJNDAEL128_MIN_KEY_LEN
-#define AES_MAX_KEY_LEN RIJNDAEL128_MAX_KEY_LEN
-#define CAMELLIA_MIN_KEY_LEN 16
-#define CAMELLIA_MAX_KEY_LEN 32
-#define ARC4_MIN_KEY_LEN 1
-#define ARC4_MAX_KEY_LEN 256
-
-/* Max size of data that can be processed */
-#define CRYPTO_MAX_DATA_LEN 64*1024 - 1
-
-#define CRYPTO_ALGORITHM_MIN 1
-#define CRYPTO_DES_CBC 1
-#define CRYPTO_3DES_CBC 2
-#define CRYPTO_BLF_CBC 3
-#define CRYPTO_CAST_CBC 4
-#define CRYPTO_SKIPJACK_CBC 5
-#define CRYPTO_MD5_HMAC 6
-#define CRYPTO_SHA1_HMAC 7
-#define CRYPTO_RIPEMD160_HMAC 8
-#define CRYPTO_MD5_KPDK 9
-#define CRYPTO_SHA1_KPDK 10
-#define CRYPTO_RIJNDAEL128_CBC 11 /* 128 bit blocksize */
-#define CRYPTO_AES_CBC 11 /* 128 bit blocksize -- the same as above */
-#define CRYPTO_ARC4 12
-#define CRYPTO_MD5 13
-#define CRYPTO_SHA1 14
-#define CRYPTO_NULL_HMAC 15
-#define CRYPTO_NULL_CBC 16
-#define CRYPTO_DEFLATE_COMP 17 /* Deflate compression algorithm */
-#define CRYPTO_SHA2_256_HMAC 18
-#define CRYPTO_SHA2_384_HMAC 19
-#define CRYPTO_SHA2_512_HMAC 20
-#define CRYPTO_CAMELLIA_CBC 21
-#define CRYPTO_SHA2_256 22
-#define CRYPTO_SHA2_384 23
-#define CRYPTO_SHA2_512 24
-#define CRYPTO_RIPEMD160 25
-#define CRYPTO_LZS_COMP 26
-#define CRYPTO_ALGORITHM_MAX 26 /* Keep updated - see above */
-
-/* Algorithm flags */
-#define CRYPTO_ALG_FLAG_SUPPORTED 0x01 /* Algorithm is supported */
-#define CRYPTO_ALG_FLAG_RNG_ENABLE 0x02 /* Has HW RNG for DH/DSA */
-#define CRYPTO_ALG_FLAG_DSA_SHA 0x04 /* Can do SHA on msg */
-
-/*
- * Crypto driver/device flags. They can set in the crid
- * parameter when creating a session or submitting a key
- * op to affect the device/driver assigned. If neither
- * of these are specified then the crid is assumed to hold
- * the driver id of an existing (and suitable) device that
- * must be used to satisfy the request.
- */
-#define CRYPTO_FLAG_HARDWARE 0x01000000 /* hardware accelerated */
-#define CRYPTO_FLAG_SOFTWARE 0x02000000 /* software implementation */
-
-/* NB: deprecated */
-struct session_op {
- u_int32_t cipher; /* ie. CRYPTO_DES_CBC */
- u_int32_t mac; /* ie. CRYPTO_MD5_HMAC */
-
- u_int32_t keylen; /* cipher key */
- caddr_t key;
- int mackeylen; /* mac key */
- caddr_t mackey;
-
- u_int32_t ses; /* returns: session # */
-};
-
-struct session2_op {
- u_int32_t cipher; /* ie. CRYPTO_DES_CBC */
- u_int32_t mac; /* ie. CRYPTO_MD5_HMAC */
-
- u_int32_t keylen; /* cipher key */
- caddr_t key;
- int mackeylen; /* mac key */
- caddr_t mackey;
-
- u_int32_t ses; /* returns: session # */
- int crid; /* driver id + flags (rw) */
- int pad[4]; /* for future expansion */
-};
-
-struct crypt_op {
- u_int32_t ses;
- u_int16_t op; /* i.e. COP_ENCRYPT */
-#define COP_NONE 0
-#define COP_ENCRYPT 1
-#define COP_DECRYPT 2
- u_int16_t flags;
-#define COP_F_BATCH 0x0008 /* Batch op if possible */
- u_int len;
- caddr_t src, dst; /* become iov[] inside kernel */
- caddr_t mac; /* must be big enough for chosen MAC */
- caddr_t iv;
-};
-
-/*
- * Parameters for looking up a crypto driver/device by
- * device name or by id. The latter are returned for
- * created sessions (crid) and completed key operations.
- */
-struct crypt_find_op {
- int crid; /* driver id + flags */
- char name[32]; /* device/driver name */
-};
-
-/* bignum parameter, in packed bytes, ... */
-struct crparam {
- caddr_t crp_p;
- u_int crp_nbits;
-};
-
-#define CRK_MAXPARAM 8
-
-struct crypt_kop {
- u_int crk_op; /* ie. CRK_MOD_EXP or other */
- u_int crk_status; /* return status */
- u_short crk_iparams; /* # of input parameters */
- u_short crk_oparams; /* # of output parameters */
- u_int crk_crid; /* NB: only used by CIOCKEY2 (rw) */
- struct crparam crk_param[CRK_MAXPARAM];
-};
-#define CRK_ALGORITM_MIN 0
-#define CRK_MOD_EXP 0
-#define CRK_MOD_EXP_CRT 1
-#define CRK_DSA_SIGN 2
-#define CRK_DSA_VERIFY 3
-#define CRK_DH_COMPUTE_KEY 4
-#define CRK_ALGORITHM_MAX 4 /* Keep updated - see below */
-
-#define CRF_MOD_EXP (1 << CRK_MOD_EXP)
-#define CRF_MOD_EXP_CRT (1 << CRK_MOD_EXP_CRT)
-#define CRF_DSA_SIGN (1 << CRK_DSA_SIGN)
-#define CRF_DSA_VERIFY (1 << CRK_DSA_VERIFY)
-#define CRF_DH_COMPUTE_KEY (1 << CRK_DH_COMPUTE_KEY)
-
-/*
- * done against open of /dev/crypto, to get a cloned descriptor.
- * Please use F_SETFD against the cloned descriptor.
- */
-#define CRIOGET _IOWR('c', 100, u_int32_t)
-#define CRIOASYMFEAT CIOCASYMFEAT
-#define CRIOFINDDEV CIOCFINDDEV
-
-/* the following are done against the cloned descriptor */
-#define CIOCGSESSION _IOWR('c', 101, struct session_op)
-#define CIOCFSESSION _IOW('c', 102, u_int32_t)
-#define CIOCCRYPT _IOWR('c', 103, struct crypt_op)
-#define CIOCKEY _IOWR('c', 104, struct crypt_kop)
-#define CIOCASYMFEAT _IOR('c', 105, u_int32_t)
-#define CIOCGSESSION2 _IOWR('c', 106, struct session2_op)
-#define CIOCKEY2 _IOWR('c', 107, struct crypt_kop)
-#define CIOCFINDDEV _IOWR('c', 108, struct crypt_find_op)
-
-struct cryptotstat {
- struct timespec acc; /* total accumulated time */
- struct timespec min; /* min time */
- struct timespec max; /* max time */
- u_int32_t count; /* number of observations */
-};
-
-struct cryptostats {
- u_int32_t cs_ops; /* symmetric crypto ops submitted */
- u_int32_t cs_errs; /* symmetric crypto ops that failed */
- u_int32_t cs_kops; /* asymetric/key ops submitted */
- u_int32_t cs_kerrs; /* asymetric/key ops that failed */
- u_int32_t cs_intrs; /* crypto swi thread activations */
- u_int32_t cs_rets; /* crypto return thread activations */
- u_int32_t cs_blocks; /* symmetric op driver block */
- u_int32_t cs_kblocks; /* symmetric op driver block */
- /*
- * When CRYPTO_TIMING is defined at compile time and the
- * sysctl debug.crypto is set to 1, the crypto system will
- * accumulate statistics about how long it takes to process
- * crypto requests at various points during processing.
- */
- struct cryptotstat cs_invoke; /* crypto_dipsatch -> crypto_invoke */
- struct cryptotstat cs_done; /* crypto_invoke -> crypto_done */
- struct cryptotstat cs_cb; /* crypto_done -> callback */
- struct cryptotstat cs_finis; /* callback -> callback return */
-
- u_int32_t cs_drops; /* crypto ops dropped due to congestion */
-};
-
-#ifdef __KERNEL__
-
-/* Standard initialization structure beginning */
-struct cryptoini {
- int cri_alg; /* Algorithm to use */
- int cri_klen; /* Key length, in bits */
- int cri_mlen; /* Number of bytes we want from the
- entire hash. 0 means all. */
- caddr_t cri_key; /* key to use */
- u_int8_t cri_iv[EALG_MAX_BLOCK_LEN]; /* IV to use */
- struct cryptoini *cri_next;
-};
-
-/* Describe boundaries of a single crypto operation */
-struct cryptodesc {
- int crd_skip; /* How many bytes to ignore from start */
- int crd_len; /* How many bytes to process */
- int crd_inject; /* Where to inject results, if applicable */
- int crd_flags;
-
-#define CRD_F_ENCRYPT 0x01 /* Set when doing encryption */
-#define CRD_F_IV_PRESENT 0x02 /* When encrypting, IV is already in
- place, so don't copy. */
-#define CRD_F_IV_EXPLICIT 0x04 /* IV explicitly provided */
-#define CRD_F_DSA_SHA_NEEDED 0x08 /* Compute SHA-1 of buffer for DSA */
-#define CRD_F_KEY_EXPLICIT 0x10 /* Key explicitly provided */
-#define CRD_F_COMP 0x0f /* Set when doing compression */
-
- struct cryptoini CRD_INI; /* Initialization/context data */
-#define crd_iv CRD_INI.cri_iv
-#define crd_key CRD_INI.cri_key
-#define crd_alg CRD_INI.cri_alg
-#define crd_klen CRD_INI.cri_klen
-#define crd_mlen CRD_INI.cri_mlen
-
- struct cryptodesc *crd_next;
-};
-
-/* Structure describing complete operation */
-struct cryptop {
- struct list_head crp_next;
- wait_queue_head_t crp_waitq;
-
- u_int64_t crp_sid; /* Session ID */
- int crp_ilen; /* Input data total length */
- int crp_olen; /* Result total length */
-
- int crp_etype; /*
- * Error type (zero means no error).
- * All error codes except EAGAIN
- * indicate possible data corruption (as in,
- * the data have been touched). On all
- * errors, the crp_sid may have changed
- * (reset to a new one), so the caller
- * should always check and use the new
- * value on future requests.
- */
- int crp_flags;
-
-#define CRYPTO_F_SKBUF 0x0001 /* Input/output are skbuf chains */
-#define CRYPTO_F_IOV 0x0002 /* Input/output are uio */
-#define CRYPTO_F_REL 0x0004 /* Must return data in same place */
-#define CRYPTO_F_BATCH 0x0008 /* Batch op if possible */
-#define CRYPTO_F_CBIMM 0x0010 /* Do callback immediately */
-#define CRYPTO_F_DONE 0x0020 /* Operation completed */
-#define CRYPTO_F_CBIFSYNC 0x0040 /* Do CBIMM if op is synchronous */
-
- caddr_t crp_buf; /* Data to be processed */
- caddr_t crp_opaque; /* Opaque pointer, passed along */
- struct cryptodesc *crp_desc; /* Linked list of processing descriptors */
-
- int (*crp_callback)(struct cryptop *); /* Callback function */
-};
-
-#define CRYPTO_BUF_CONTIG 0x0
-#define CRYPTO_BUF_IOV 0x1
-#define CRYPTO_BUF_SKBUF 0x2
-
-#define CRYPTO_OP_DECRYPT 0x0
-#define CRYPTO_OP_ENCRYPT 0x1
-
-/*
- * Hints passed to process methods.
- */
-#define CRYPTO_HINT_MORE 0x1 /* more ops coming shortly */
-
-struct cryptkop {
- struct list_head krp_next;
- wait_queue_head_t krp_waitq;
-
- int krp_flags;
-#define CRYPTO_KF_DONE 0x0001 /* Operation completed */
-#define CRYPTO_KF_CBIMM 0x0002 /* Do callback immediately */
-
- u_int krp_op; /* ie. CRK_MOD_EXP or other */
- u_int krp_status; /* return status */
- u_short krp_iparams; /* # of input parameters */
- u_short krp_oparams; /* # of output parameters */
- u_int krp_crid; /* desired device, etc. */
- u_int32_t krp_hid;
- struct crparam krp_param[CRK_MAXPARAM]; /* kvm */
- int (*krp_callback)(struct cryptkop *);
-};
-
-#include <ocf-compat.h>
-
-/*
- * Session ids are 64 bits. The lower 32 bits contain a "local id" which
- * is a driver-private session identifier. The upper 32 bits contain a
- * "hardware id" used by the core crypto code to identify the driver and
- * a copy of the driver's capabilities that can be used by client code to
- * optimize operation.
- */
-#define CRYPTO_SESID2HID(_sid) (((_sid) >> 32) & 0x00ffffff)
-#define CRYPTO_SESID2CAPS(_sid) (((_sid) >> 32) & 0xff000000)
-#define CRYPTO_SESID2LID(_sid) (((u_int32_t) (_sid)) & 0xffffffff)
-
-extern int crypto_newsession(u_int64_t *sid, struct cryptoini *cri, int hard);
-extern int crypto_freesession(u_int64_t sid);
-#define CRYPTOCAP_F_HARDWARE CRYPTO_FLAG_HARDWARE
-#define CRYPTOCAP_F_SOFTWARE CRYPTO_FLAG_SOFTWARE
-#define CRYPTOCAP_F_SYNC 0x04000000 /* operates synchronously */
-extern int32_t crypto_get_driverid(device_t dev, int flags);
-extern int crypto_find_driver(const char *);
-extern device_t crypto_find_device_byhid(int hid);
-extern int crypto_getcaps(int hid);
-extern int crypto_register(u_int32_t driverid, int alg, u_int16_t maxoplen,
- u_int32_t flags);
-extern int crypto_kregister(u_int32_t, int, u_int32_t);
-extern int crypto_unregister(u_int32_t driverid, int alg);
-extern int crypto_unregister_all(u_int32_t driverid);
-extern int crypto_dispatch(struct cryptop *crp);
-extern int crypto_kdispatch(struct cryptkop *);
-#define CRYPTO_SYMQ 0x1
-#define CRYPTO_ASYMQ 0x2
-extern int crypto_unblock(u_int32_t, int);
-extern void crypto_done(struct cryptop *crp);
-extern void crypto_kdone(struct cryptkop *);
-extern int crypto_getfeat(int *);
-
-extern void crypto_freereq(struct cryptop *crp);
-extern struct cryptop *crypto_getreq(int num);
-
-extern int crypto_usercrypto; /* userland may do crypto requests */
-extern int crypto_userasymcrypto; /* userland may do asym crypto reqs */
-extern int crypto_devallowsoft; /* only use hardware crypto */
-
-/*
- * random number support, crypto_unregister_all will unregister
- */
-extern int crypto_rregister(u_int32_t driverid,
- int (*read_random)(void *arg, u_int32_t *buf, int len), void *arg);
-extern int crypto_runregister_all(u_int32_t driverid);
-
-/*
- * Crypto-related utility routines used mainly by drivers.
- *
- * XXX these don't really belong here; but for now they're
- * kept apart from the rest of the system.
- */
-struct uio;
-extern void cuio_copydata(struct uio* uio, int off, int len, caddr_t cp);
-extern void cuio_copyback(struct uio* uio, int off, int len, caddr_t cp);
-extern struct iovec *cuio_getptr(struct uio *uio, int loc, int *off);
-
-extern void crypto_copyback(int flags, caddr_t buf, int off, int size,
- caddr_t in);
-extern void crypto_copydata(int flags, caddr_t buf, int off, int size,
- caddr_t out);
-extern int crypto_apply(int flags, caddr_t buf, int off, int len,
- int (*f)(void *, void *, u_int), void *arg);
-
-#endif /* __KERNEL__ */
-#endif /* _CRYPTO_CRYPTO_H_ */
--- /dev/null
+/* This is a source compatible implementation with the original API of
+ * cryptodev by Angelos D. Keromytis, found at openbsd cryptodev.h.
+ * Placed under public domain */
+
+#ifndef L_CRYPTODEV_H
+#define L_CRYPTODEV_H
+
+#include <linux/types.h>
+#ifndef __KERNEL__
+#define __user
+#endif
+
+/* API extensions for linux */
+#define CRYPTO_HMAC_MAX_KEY_LEN 512
+#define CRYPTO_CIPHER_MAX_KEY_LEN 64
+
+/* All the supported algorithms
+ */
+enum cryptodev_crypto_op_t {
+ CRYPTO_DES_CBC = 1,
+ CRYPTO_3DES_CBC = 2,
+ CRYPTO_BLF_CBC = 3,
+ CRYPTO_CAST_CBC = 4,
+ CRYPTO_SKIPJACK_CBC = 5,
+ CRYPTO_MD5_HMAC = 6,
+ CRYPTO_SHA1_HMAC = 7,
+ CRYPTO_RIPEMD160_HMAC = 8,
+ CRYPTO_MD5_KPDK = 9,
+ CRYPTO_SHA1_KPDK = 10,
+ CRYPTO_RIJNDAEL128_CBC = 11,
+ CRYPTO_AES_CBC = CRYPTO_RIJNDAEL128_CBC,
+ CRYPTO_ARC4 = 12,
+ CRYPTO_MD5 = 13,
+ CRYPTO_SHA1 = 14,
+ CRYPTO_DEFLATE_COMP = 15,
+ CRYPTO_NULL = 16,
+ CRYPTO_LZS_COMP = 17,
+ CRYPTO_SHA2_256_HMAC = 18,
+ CRYPTO_SHA2_384_HMAC = 19,
+ CRYPTO_SHA2_512_HMAC = 20,
+ CRYPTO_AES_CTR = 21,
+ CRYPTO_AES_XTS = 22,
+ CRYPTO_AES_ECB = 23,
+ CRYPTO_AES_GCM = 50,
+
+ CRYPTO_CAMELLIA_CBC = 101,
+ CRYPTO_RIPEMD160,
+ CRYPTO_SHA2_224,
+ CRYPTO_SHA2_256,
+ CRYPTO_SHA2_384,
+ CRYPTO_SHA2_512,
+ CRYPTO_SHA2_224_HMAC,
+ CRYPTO_ALGORITHM_ALL, /* Keep updated - see below */
+};
+
+#define CRYPTO_ALGORITHM_MAX (CRYPTO_ALGORITHM_ALL - 1)
+
+/* Values for ciphers */
+#define DES_BLOCK_LEN 8
+#define DES3_BLOCK_LEN 8
+#define RIJNDAEL128_BLOCK_LEN 16
+#define AES_BLOCK_LEN RIJNDAEL128_BLOCK_LEN
+#define CAMELLIA_BLOCK_LEN 16
+#define BLOWFISH_BLOCK_LEN 8
+#define SKIPJACK_BLOCK_LEN 8
+#define CAST128_BLOCK_LEN 8
+
+/* the maximum of the above */
+#define EALG_MAX_BLOCK_LEN 16
+
+/* Values for hashes/MAC */
+#define AALG_MAX_RESULT_LEN 64
+
+/* maximum length of verbose alg names (depends on CRYPTO_MAX_ALG_NAME) */
+#define CRYPTODEV_MAX_ALG_NAME 64
+
+#define HASH_MAX_LEN 64
+
+/* input of CIOCGSESSION */
+struct session_op {
+ /* Specify either cipher or mac
+ */
+ __u32 cipher; /* cryptodev_crypto_op_t */
+ __u32 mac; /* cryptodev_crypto_op_t */
+
+ __u32 keylen;
+ __u8 __user *key;
+ __u32 mackeylen;
+ __u8 __user *mackey;
+
+ __u32 ses; /* session identifier */
+};
+
+struct session_info_op {
+ __u32 ses; /* session identifier */
+
+ /* verbose names for the requested ciphers */
+ struct alg_info {
+ char cra_name[CRYPTODEV_MAX_ALG_NAME];
+ char cra_driver_name[CRYPTODEV_MAX_ALG_NAME];
+ } cipher_info, hash_info;
+
+ __u16 alignmask; /* alignment constraints */
+ __u32 flags; /* SIOP_FLAGS_* */
+};
+
+/* If this flag is set then this algorithm uses
+ * a driver only available in kernel (software drivers,
+ * or drivers based on instruction sets do not set this flag).
+ *
+ * If multiple algorithms are involved (as in AEAD case), then
+ * if one of them is kernel-driver-only this flag will be set.
+ */
+#define SIOP_FLAG_KERNEL_DRIVER_ONLY 1
+
+#define COP_ENCRYPT 0
+#define COP_DECRYPT 1
+
+/* input of CIOCCRYPT */
+struct crypt_op {
+ __u32 ses; /* session identifier */
+ __u16 op; /* COP_ENCRYPT or COP_DECRYPT */
+ __u16 flags; /* see COP_FLAG_* */
+ __u32 len; /* length of source data */
+ __u8 __user *src; /* source data */
+ __u8 __user *dst; /* pointer to output data */
+ /* pointer to output data for hash/MAC operations */
+ __u8 __user *mac;
+ /* initialization vector for encryption operations */
+ __u8 __user *iv;
+};
+
+/* input of CIOCAUTHCRYPT */
+struct crypt_auth_op {
+ __u32 ses; /* session identifier */
+ __u16 op; /* COP_ENCRYPT or COP_DECRYPT */
+ __u16 flags; /* see COP_FLAG_AEAD_* */
+ __u32 len; /* length of source data */
+ __u32 auth_len; /* length of auth data */
+ __u8 __user *auth_src; /* authenticated-only data */
+
+ /* The current implementation is more efficient if data are
+ * encrypted in-place (src==dst). */
+ __u8 __user *src; /* data to be encrypted and authenticated */
+ __u8 __user *dst; /* pointer to output data. Must have
+ * space for tag. For TLS this should be at least
+ * len + tag_size + block_size for padding */
+
+ __u8 __user *tag; /* where the tag will be copied to. TLS mode
+ * doesn't use that as tag is copied to dst.
+ * SRTP mode copies tag there. */
+ __u32 tag_len; /* the length of the tag. Use zero for digest size or max tag. */
+
+ /* initialization vector for encryption operations */
+ __u8 __user *iv;
+ __u32 iv_len;
+};
+
+/* In plain AEAD mode the following are required:
+ * flags : 0
+ * iv : the initialization vector (12 bytes)
+ * auth_len: the length of the data to be authenticated
+ * auth_src: the data to be authenticated
+ * len : length of data to be encrypted
+ * src : the data to be encrypted
+ * dst : space to hold encrypted data. It must have
+ * at least a size of len + tag_size.
+ * tag_size: the size of the desired authentication tag or zero to use
+ * the maximum tag output.
+ *
+ * Note tag isn't being used because the Linux AEAD interface
+ * copies the tag just after data.
+ */
+
+/* In TLS mode (used for CBC ciphers that required padding)
+ * the following are required:
+ * flags : COP_FLAG_AEAD_TLS_TYPE
+ * iv : the initialization vector
+ * auth_len: the length of the data to be authenticated only
+ * len : length of data to be encrypted
+ * auth_src: the data to be authenticated
+ * src : the data to be encrypted
+ * dst : space to hold encrypted data (preferably in-place). It must have
+ * at least a size of len + tag_size + blocksize.
+ * tag_size: the size of the desired authentication tag or zero to use
+ * the default mac output.
+ *
+ * Note that the padding used is the minimum padding.
+ */
+
+/* In SRTP mode the following are required:
+ * flags : COP_FLAG_AEAD_SRTP_TYPE
+ * iv : the initialization vector
+ * auth_len: the length of the data to be authenticated. This must
+ * include the SRTP header + SRTP payload (data to be encrypted) + rest
+ *
+ * len : length of data to be encrypted
+ * auth_src: pointer the data to be authenticated. Should point at the same buffer as src.
+ * src : pointer to the data to be encrypted.
+ * dst : This is mandatory to be the same as src (in-place only).
+ * tag_size: the size of the desired authentication tag or zero to use
+ * the default mac output.
+ * tag : Pointer to an address where the authentication tag will be copied.
+ */
+
+
+/* struct crypt_op flags */
+
+#define COP_FLAG_NONE (0 << 0) /* totally no flag */
+#define COP_FLAG_UPDATE (1 << 0) /* multi-update hash mode */
+#define COP_FLAG_FINAL (1 << 1) /* multi-update final hash mode */
+#define COP_FLAG_WRITE_IV (1 << 2) /* update the IV during operation */
+#define COP_FLAG_NO_ZC (1 << 3) /* do not zero-copy */
+#define COP_FLAG_AEAD_TLS_TYPE (1 << 4) /* authenticate and encrypt using the
+ * TLS protocol rules */
+#define COP_FLAG_AEAD_SRTP_TYPE (1 << 5) /* authenticate and encrypt using the
+ * SRTP protocol rules */
+#define COP_FLAG_RESET (1 << 6) /* multi-update reset the state.
+ * should be used in combination
+ * with COP_FLAG_UPDATE */
+
+
+/* Stuff for bignum arithmetic and public key
+ * cryptography - not supported yet by linux
+ * cryptodev.
+ */
+
+#define CRYPTO_ALG_FLAG_SUPPORTED 1
+#define CRYPTO_ALG_FLAG_RNG_ENABLE 2
+#define CRYPTO_ALG_FLAG_DSA_SHA 4
+
+struct crparam {
+ __u8 *crp_p;
+ __u32 crp_nbits;
+};
+
+#define CRK_MAXPARAM 8
+
+/* input of CIOCKEY */
+struct crypt_kop {
+ __u32 crk_op; /* cryptodev_crk_op_t */
+ __u32 crk_status;
+ __u16 crk_iparams;
+ __u16 crk_oparams;
+ __u32 crk_pad1;
+ struct crparam crk_param[CRK_MAXPARAM];
+};
+
+enum cryptodev_crk_op_t {
+ CRK_MOD_EXP = 0,
+ CRK_MOD_EXP_CRT = 1,
+ CRK_DSA_SIGN = 2,
+ CRK_DSA_VERIFY = 3,
+ CRK_DH_COMPUTE_KEY = 4,
+ CRK_ALGORITHM_ALL
+};
+
+#define CRK_ALGORITHM_MAX (CRK_ALGORITHM_ALL-1)
+
+/* features to be queried with CIOCASYMFEAT ioctl
+ */
+#define CRF_MOD_EXP (1 << CRK_MOD_EXP)
+#define CRF_MOD_EXP_CRT (1 << CRK_MOD_EXP_CRT)
+#define CRF_DSA_SIGN (1 << CRK_DSA_SIGN)
+#define CRF_DSA_VERIFY (1 << CRK_DSA_VERIFY)
+#define CRF_DH_COMPUTE_KEY (1 << CRK_DH_COMPUTE_KEY)
+
+
+/* ioctl's. Compatible with old linux cryptodev.h
+ */
+#define CRIOGET _IOWR('c', 101, __u32)
+#define CIOCGSESSION _IOWR('c', 102, struct session_op)
+#define CIOCFSESSION _IOW('c', 103, __u32)
+#define CIOCCRYPT _IOWR('c', 104, struct crypt_op)
+#define CIOCKEY _IOWR('c', 105, struct crypt_kop)
+#define CIOCASYMFEAT _IOR('c', 106, __u32)
+#define CIOCGSESSINFO _IOWR('c', 107, struct session_info_op)
+
+/* to indicate that CRIOGET is not required in linux
+ */
+#define CRIOGET_NOT_NEEDED 1
+
+/* additional ioctls for AEAD */
+#define CIOCAUTHCRYPT _IOWR('c', 109, struct crypt_auth_op)
+
+/* additional ioctls for asynchronous operation.
+ * These are conditionally enabled since version 1.6.
+ */
+#define CIOCASYNCCRYPT _IOW('c', 110, struct crypt_op)
+#define CIOCASYNCFETCH _IOR('c', 111, struct crypt_op)
+
+#endif /* L_CRYPTODEV_H */
projects / openwrt / staging / nbd.git / commitdiff