diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/cryptodev.h')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/cryptodev.h | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/target/linux/generic/files/crypto/ocf/cryptodev.h b/target/linux/generic/files/crypto/ocf/cryptodev.h deleted file mode 100644 index cca0ec822d..0000000000 --- a/target/linux/generic/files/crypto/ocf/cryptodev.h +++ /dev/null @@ -1,480 +0,0 @@ -/* $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_ */ |