root/drivers/s390/crypto/zcrypt_msgtype50.c

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DEFINITIONS

This source file includes following definitions.
  1. get_rsa_modex_fc
  2. get_rsa_crt_fc
  3. ICAMEX_msg_to_type50MEX_msg
  4. ICACRT_msg_to_type50CRT_msg
  5. convert_type80
  6. convert_response
  7. zcrypt_cex2a_receive
  8. zcrypt_cex2a_modexpo
  9. zcrypt_cex2a_modexpo_crt
  10. zcrypt_msgtype50_init
  11. zcrypt_msgtype50_exit
   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  *  Copyright IBM Corp. 2001, 2012
   4  *  Author(s): Robert Burroughs
   5  *             Eric Rossman (edrossma@us.ibm.com)
   6  *
   7  *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
   8  *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
   9  *                                Ralph Wuerthner <rwuerthn@de.ibm.com>
  10  *  MSGTYPE restruct:             Holger Dengler <hd@linux.vnet.ibm.com>
  11  */
  12 
  13 #define KMSG_COMPONENT "zcrypt"
  14 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
  15 
  16 #include <linux/module.h>
  17 #include <linux/slab.h>
  18 #include <linux/init.h>
  19 #include <linux/err.h>
  20 #include <linux/atomic.h>
  21 #include <linux/uaccess.h>
  22 
  23 #include "ap_bus.h"
  24 #include "zcrypt_api.h"
  25 #include "zcrypt_error.h"
  26 #include "zcrypt_msgtype50.h"
  27 
  28 /* >= CEX3A: 4096 bits */
  29 #define CEX3A_MAX_MOD_SIZE 512
  30 
  31 /* CEX2A: max outputdatalength + type80_hdr */
  32 #define CEX2A_MAX_RESPONSE_SIZE 0x110
  33 
  34 /* >= CEX3A: 512 bit modulus, (max outputdatalength) + type80_hdr */
  35 #define CEX3A_MAX_RESPONSE_SIZE 0x210
  36 
  37 MODULE_AUTHOR("IBM Corporation");
  38 MODULE_DESCRIPTION("Cryptographic Accelerator (message type 50), " \
  39                    "Copyright IBM Corp. 2001, 2012");
  40 MODULE_LICENSE("GPL");
  41 
  42 /**
  43  * The type 50 message family is associated with a CEXxA cards.
  44  *
  45  * The four members of the family are described below.
  46  *
  47  * Note that all unsigned char arrays are right-justified and left-padded
  48  * with zeroes.
  49  *
  50  * Note that all reserved fields must be zeroes.
  51  */
  52 struct type50_hdr {
  53         unsigned char   reserved1;
  54         unsigned char   msg_type_code;  /* 0x50 */
  55         unsigned short  msg_len;
  56         unsigned char   reserved2;
  57         unsigned char   ignored;
  58         unsigned short  reserved3;
  59 } __packed;
  60 
  61 #define TYPE50_TYPE_CODE        0x50
  62 
  63 #define TYPE50_MEB1_FMT         0x0001
  64 #define TYPE50_MEB2_FMT         0x0002
  65 #define TYPE50_MEB3_FMT         0x0003
  66 #define TYPE50_CRB1_FMT         0x0011
  67 #define TYPE50_CRB2_FMT         0x0012
  68 #define TYPE50_CRB3_FMT         0x0013
  69 
  70 /* Mod-Exp, with a small modulus */
  71 struct type50_meb1_msg {
  72         struct type50_hdr header;
  73         unsigned short  keyblock_type;  /* 0x0001 */
  74         unsigned char   reserved[6];
  75         unsigned char   exponent[128];
  76         unsigned char   modulus[128];
  77         unsigned char   message[128];
  78 } __packed;
  79 
  80 /* Mod-Exp, with a large modulus */
  81 struct type50_meb2_msg {
  82         struct type50_hdr header;
  83         unsigned short  keyblock_type;  /* 0x0002 */
  84         unsigned char   reserved[6];
  85         unsigned char   exponent[256];
  86         unsigned char   modulus[256];
  87         unsigned char   message[256];
  88 } __packed;
  89 
  90 /* Mod-Exp, with a larger modulus */
  91 struct type50_meb3_msg {
  92         struct type50_hdr header;
  93         unsigned short  keyblock_type;  /* 0x0003 */
  94         unsigned char   reserved[6];
  95         unsigned char   exponent[512];
  96         unsigned char   modulus[512];
  97         unsigned char   message[512];
  98 } __packed;
  99 
 100 /* CRT, with a small modulus */
 101 struct type50_crb1_msg {
 102         struct type50_hdr header;
 103         unsigned short  keyblock_type;  /* 0x0011 */
 104         unsigned char   reserved[6];
 105         unsigned char   p[64];
 106         unsigned char   q[64];
 107         unsigned char   dp[64];
 108         unsigned char   dq[64];
 109         unsigned char   u[64];
 110         unsigned char   message[128];
 111 } __packed;
 112 
 113 /* CRT, with a large modulus */
 114 struct type50_crb2_msg {
 115         struct type50_hdr header;
 116         unsigned short  keyblock_type;  /* 0x0012 */
 117         unsigned char   reserved[6];
 118         unsigned char   p[128];
 119         unsigned char   q[128];
 120         unsigned char   dp[128];
 121         unsigned char   dq[128];
 122         unsigned char   u[128];
 123         unsigned char   message[256];
 124 } __packed;
 125 
 126 /* CRT, with a larger modulus */
 127 struct type50_crb3_msg {
 128         struct type50_hdr header;
 129         unsigned short  keyblock_type;  /* 0x0013 */
 130         unsigned char   reserved[6];
 131         unsigned char   p[256];
 132         unsigned char   q[256];
 133         unsigned char   dp[256];
 134         unsigned char   dq[256];
 135         unsigned char   u[256];
 136         unsigned char   message[512];
 137 } __packed;
 138 
 139 /**
 140  * The type 80 response family is associated with a CEXxA cards.
 141  *
 142  * Note that all unsigned char arrays are right-justified and left-padded
 143  * with zeroes.
 144  *
 145  * Note that all reserved fields must be zeroes.
 146  */
 147 
 148 #define TYPE80_RSP_CODE 0x80
 149 
 150 struct type80_hdr {
 151         unsigned char   reserved1;
 152         unsigned char   type;           /* 0x80 */
 153         unsigned short  len;
 154         unsigned char   code;           /* 0x00 */
 155         unsigned char   reserved2[3];
 156         unsigned char   reserved3[8];
 157 } __packed;
 158 
 159 unsigned int get_rsa_modex_fc(struct ica_rsa_modexpo *mex, int *fcode)
 160 {
 161 
 162         if (!mex->inputdatalength)
 163                 return -EINVAL;
 164 
 165         if (mex->inputdatalength <= 128)        /* 1024 bit */
 166                 *fcode = MEX_1K;
 167         else if (mex->inputdatalength <= 256)   /* 2048 bit */
 168                 *fcode = MEX_2K;
 169         else                                    /* 4096 bit */
 170                 *fcode = MEX_4K;
 171 
 172         return 0;
 173 }
 174 
 175 unsigned int get_rsa_crt_fc(struct ica_rsa_modexpo_crt *crt, int *fcode)
 176 {
 177 
 178         if (!crt->inputdatalength)
 179                 return -EINVAL;
 180 
 181         if (crt->inputdatalength <= 128)        /* 1024 bit */
 182                 *fcode = CRT_1K;
 183         else if (crt->inputdatalength <= 256)   /* 2048 bit */
 184                 *fcode = CRT_2K;
 185         else                                    /* 4096 bit */
 186                 *fcode = CRT_4K;
 187 
 188         return 0;
 189 }
 190 
 191 /**
 192  * Convert a ICAMEX message to a type50 MEX message.
 193  *
 194  * @zq: crypto queue pointer
 195  * @ap_msg: crypto request pointer
 196  * @mex: pointer to user input data
 197  *
 198  * Returns 0 on success or -EFAULT.
 199  */
 200 static int ICAMEX_msg_to_type50MEX_msg(struct zcrypt_queue *zq,
 201                                        struct ap_message *ap_msg,
 202                                        struct ica_rsa_modexpo *mex)
 203 {
 204         unsigned char *mod, *exp, *inp;
 205         int mod_len;
 206 
 207         mod_len = mex->inputdatalength;
 208 
 209         if (mod_len <= 128) {
 210                 struct type50_meb1_msg *meb1 = ap_msg->message;
 211 
 212                 memset(meb1, 0, sizeof(*meb1));
 213                 ap_msg->length = sizeof(*meb1);
 214                 meb1->header.msg_type_code = TYPE50_TYPE_CODE;
 215                 meb1->header.msg_len = sizeof(*meb1);
 216                 meb1->keyblock_type = TYPE50_MEB1_FMT;
 217                 mod = meb1->modulus + sizeof(meb1->modulus) - mod_len;
 218                 exp = meb1->exponent + sizeof(meb1->exponent) - mod_len;
 219                 inp = meb1->message + sizeof(meb1->message) - mod_len;
 220         } else if (mod_len <= 256) {
 221                 struct type50_meb2_msg *meb2 = ap_msg->message;
 222 
 223                 memset(meb2, 0, sizeof(*meb2));
 224                 ap_msg->length = sizeof(*meb2);
 225                 meb2->header.msg_type_code = TYPE50_TYPE_CODE;
 226                 meb2->header.msg_len = sizeof(*meb2);
 227                 meb2->keyblock_type = TYPE50_MEB2_FMT;
 228                 mod = meb2->modulus + sizeof(meb2->modulus) - mod_len;
 229                 exp = meb2->exponent + sizeof(meb2->exponent) - mod_len;
 230                 inp = meb2->message + sizeof(meb2->message) - mod_len;
 231         } else if (mod_len <= 512) {
 232                 struct type50_meb3_msg *meb3 = ap_msg->message;
 233 
 234                 memset(meb3, 0, sizeof(*meb3));
 235                 ap_msg->length = sizeof(*meb3);
 236                 meb3->header.msg_type_code = TYPE50_TYPE_CODE;
 237                 meb3->header.msg_len = sizeof(*meb3);
 238                 meb3->keyblock_type = TYPE50_MEB3_FMT;
 239                 mod = meb3->modulus + sizeof(meb3->modulus) - mod_len;
 240                 exp = meb3->exponent + sizeof(meb3->exponent) - mod_len;
 241                 inp = meb3->message + sizeof(meb3->message) - mod_len;
 242         } else
 243                 return -EINVAL;
 244 
 245         if (copy_from_user(mod, mex->n_modulus, mod_len) ||
 246             copy_from_user(exp, mex->b_key, mod_len) ||
 247             copy_from_user(inp, mex->inputdata, mod_len))
 248                 return -EFAULT;
 249         return 0;
 250 }
 251 
 252 /**
 253  * Convert a ICACRT message to a type50 CRT message.
 254  *
 255  * @zq: crypto queue pointer
 256  * @ap_msg: crypto request pointer
 257  * @crt: pointer to user input data
 258  *
 259  * Returns 0 on success or -EFAULT.
 260  */
 261 static int ICACRT_msg_to_type50CRT_msg(struct zcrypt_queue *zq,
 262                                        struct ap_message *ap_msg,
 263                                        struct ica_rsa_modexpo_crt *crt)
 264 {
 265         int mod_len, short_len;
 266         unsigned char *p, *q, *dp, *dq, *u, *inp;
 267 
 268         mod_len = crt->inputdatalength;
 269         short_len = (mod_len + 1) / 2;
 270 
 271         /*
 272          * CEX2A and CEX3A w/o FW update can handle requests up to
 273          * 256 byte modulus (2k keys).
 274          * CEX3A with FW update and newer CEXxA cards are able to handle
 275          * 512 byte modulus (4k keys).
 276          */
 277         if (mod_len <= 128) {           /* up to 1024 bit key size */
 278                 struct type50_crb1_msg *crb1 = ap_msg->message;
 279 
 280                 memset(crb1, 0, sizeof(*crb1));
 281                 ap_msg->length = sizeof(*crb1);
 282                 crb1->header.msg_type_code = TYPE50_TYPE_CODE;
 283                 crb1->header.msg_len = sizeof(*crb1);
 284                 crb1->keyblock_type = TYPE50_CRB1_FMT;
 285                 p = crb1->p + sizeof(crb1->p) - short_len;
 286                 q = crb1->q + sizeof(crb1->q) - short_len;
 287                 dp = crb1->dp + sizeof(crb1->dp) - short_len;
 288                 dq = crb1->dq + sizeof(crb1->dq) - short_len;
 289                 u = crb1->u + sizeof(crb1->u) - short_len;
 290                 inp = crb1->message + sizeof(crb1->message) - mod_len;
 291         } else if (mod_len <= 256) {    /* up to 2048 bit key size */
 292                 struct type50_crb2_msg *crb2 = ap_msg->message;
 293 
 294                 memset(crb2, 0, sizeof(*crb2));
 295                 ap_msg->length = sizeof(*crb2);
 296                 crb2->header.msg_type_code = TYPE50_TYPE_CODE;
 297                 crb2->header.msg_len = sizeof(*crb2);
 298                 crb2->keyblock_type = TYPE50_CRB2_FMT;
 299                 p = crb2->p + sizeof(crb2->p) - short_len;
 300                 q = crb2->q + sizeof(crb2->q) - short_len;
 301                 dp = crb2->dp + sizeof(crb2->dp) - short_len;
 302                 dq = crb2->dq + sizeof(crb2->dq) - short_len;
 303                 u = crb2->u + sizeof(crb2->u) - short_len;
 304                 inp = crb2->message + sizeof(crb2->message) - mod_len;
 305         } else if ((mod_len <= 512) &&  /* up to 4096 bit key size */
 306                    (zq->zcard->max_mod_size == CEX3A_MAX_MOD_SIZE)) {
 307                 struct type50_crb3_msg *crb3 = ap_msg->message;
 308 
 309                 memset(crb3, 0, sizeof(*crb3));
 310                 ap_msg->length = sizeof(*crb3);
 311                 crb3->header.msg_type_code = TYPE50_TYPE_CODE;
 312                 crb3->header.msg_len = sizeof(*crb3);
 313                 crb3->keyblock_type = TYPE50_CRB3_FMT;
 314                 p = crb3->p + sizeof(crb3->p) - short_len;
 315                 q = crb3->q + sizeof(crb3->q) - short_len;
 316                 dp = crb3->dp + sizeof(crb3->dp) - short_len;
 317                 dq = crb3->dq + sizeof(crb3->dq) - short_len;
 318                 u = crb3->u + sizeof(crb3->u) - short_len;
 319                 inp = crb3->message + sizeof(crb3->message) - mod_len;
 320         } else
 321                 return -EINVAL;
 322 
 323         /*
 324          * correct the offset of p, bp and mult_inv according zcrypt.h
 325          * block size right aligned (skip the first byte)
 326          */
 327         if (copy_from_user(p, crt->np_prime + MSGTYPE_ADJUSTMENT, short_len) ||
 328             copy_from_user(q, crt->nq_prime, short_len) ||
 329             copy_from_user(dp, crt->bp_key + MSGTYPE_ADJUSTMENT, short_len) ||
 330             copy_from_user(dq, crt->bq_key, short_len) ||
 331             copy_from_user(u, crt->u_mult_inv + MSGTYPE_ADJUSTMENT, short_len) ||
 332             copy_from_user(inp, crt->inputdata, mod_len))
 333                 return -EFAULT;
 334 
 335         return 0;
 336 }
 337 
 338 /**
 339  * Copy results from a type 80 reply message back to user space.
 340  *
 341  * @zq: crypto device pointer
 342  * @reply: reply AP message.
 343  * @data: pointer to user output data
 344  * @length: size of user output data
 345  *
 346  * Returns 0 on success or -EFAULT.
 347  */
 348 static int convert_type80(struct zcrypt_queue *zq,
 349                           struct ap_message *reply,
 350                           char __user *outputdata,
 351                           unsigned int outputdatalength)
 352 {
 353         struct type80_hdr *t80h = reply->message;
 354         unsigned char *data;
 355 
 356         if (t80h->len < sizeof(*t80h) + outputdatalength) {
 357                 /* The result is too short, the CEXxA card may not do that.. */
 358                 zq->online = 0;
 359                 pr_err("Cryptographic device %02x.%04x failed and was set offline\n",
 360                        AP_QID_CARD(zq->queue->qid),
 361                        AP_QID_QUEUE(zq->queue->qid));
 362                 ZCRYPT_DBF(DBF_ERR,
 363                            "device=%02x.%04x code=0x%02x => online=0 rc=EAGAIN\n",
 364                            AP_QID_CARD(zq->queue->qid),
 365                            AP_QID_QUEUE(zq->queue->qid),
 366                            t80h->code);
 367                 return -EAGAIN; /* repeat the request on a different device. */
 368         }
 369         if (zq->zcard->user_space_type == ZCRYPT_CEX2A)
 370                 BUG_ON(t80h->len > CEX2A_MAX_RESPONSE_SIZE);
 371         else
 372                 BUG_ON(t80h->len > CEX3A_MAX_RESPONSE_SIZE);
 373         data = reply->message + t80h->len - outputdatalength;
 374         if (copy_to_user(outputdata, data, outputdatalength))
 375                 return -EFAULT;
 376         return 0;
 377 }
 378 
 379 static int convert_response(struct zcrypt_queue *zq,
 380                             struct ap_message *reply,
 381                             char __user *outputdata,
 382                             unsigned int outputdatalength)
 383 {
 384         /* Response type byte is the second byte in the response. */
 385         unsigned char rtype = ((unsigned char *) reply->message)[1];
 386 
 387         switch (rtype) {
 388         case TYPE82_RSP_CODE:
 389         case TYPE88_RSP_CODE:
 390                 return convert_error(zq, reply);
 391         case TYPE80_RSP_CODE:
 392                 return convert_type80(zq, reply,
 393                                       outputdata, outputdatalength);
 394         default: /* Unknown response type, this should NEVER EVER happen */
 395                 zq->online = 0;
 396                 pr_err("Cryptographic device %02x.%04x failed and was set offline\n",
 397                        AP_QID_CARD(zq->queue->qid),
 398                        AP_QID_QUEUE(zq->queue->qid));
 399                 ZCRYPT_DBF(DBF_ERR,
 400                            "device=%02x.%04x rtype=0x%02x => online=0 rc=EAGAIN\n",
 401                            AP_QID_CARD(zq->queue->qid),
 402                            AP_QID_QUEUE(zq->queue->qid),
 403                            (unsigned int) rtype);
 404                 return -EAGAIN; /* repeat the request on a different device. */
 405         }
 406 }
 407 
 408 /**
 409  * This function is called from the AP bus code after a crypto request
 410  * "msg" has finished with the reply message "reply".
 411  * It is called from tasklet context.
 412  * @aq: pointer to the AP device
 413  * @msg: pointer to the AP message
 414  * @reply: pointer to the AP reply message
 415  */
 416 static void zcrypt_cex2a_receive(struct ap_queue *aq,
 417                                  struct ap_message *msg,
 418                                  struct ap_message *reply)
 419 {
 420         static struct error_hdr error_reply = {
 421                 .type = TYPE82_RSP_CODE,
 422                 .reply_code = REP82_ERROR_MACHINE_FAILURE,
 423         };
 424         struct type80_hdr *t80h;
 425         int length;
 426 
 427         /* Copy the reply message to the request message buffer. */
 428         if (!reply)
 429                 goto out;       /* ap_msg->rc indicates the error */
 430         t80h = reply->message;
 431         if (t80h->type == TYPE80_RSP_CODE) {
 432                 if (aq->ap_dev.device_type == AP_DEVICE_TYPE_CEX2A)
 433                         length = min_t(int,
 434                                        CEX2A_MAX_RESPONSE_SIZE, t80h->len);
 435                 else
 436                         length = min_t(int,
 437                                        CEX3A_MAX_RESPONSE_SIZE, t80h->len);
 438                 memcpy(msg->message, reply->message, length);
 439         } else
 440                 memcpy(msg->message, reply->message, sizeof(error_reply));
 441 out:
 442         complete((struct completion *) msg->private);
 443 }
 444 
 445 static atomic_t zcrypt_step = ATOMIC_INIT(0);
 446 
 447 /**
 448  * The request distributor calls this function if it picked the CEXxA
 449  * device to handle a modexpo request.
 450  * @zq: pointer to zcrypt_queue structure that identifies the
 451  *      CEXxA device to the request distributor
 452  * @mex: pointer to the modexpo request buffer
 453  */
 454 static long zcrypt_cex2a_modexpo(struct zcrypt_queue *zq,
 455                                  struct ica_rsa_modexpo *mex)
 456 {
 457         struct ap_message ap_msg;
 458         struct completion work;
 459         int rc;
 460 
 461         ap_init_message(&ap_msg);
 462         if (zq->zcard->user_space_type == ZCRYPT_CEX2A)
 463                 ap_msg.message = kmalloc(MSGTYPE50_CRB2_MAX_MSG_SIZE,
 464                                          GFP_KERNEL);
 465         else
 466                 ap_msg.message = kmalloc(MSGTYPE50_CRB3_MAX_MSG_SIZE,
 467                                          GFP_KERNEL);
 468         if (!ap_msg.message)
 469                 return -ENOMEM;
 470         ap_msg.receive = zcrypt_cex2a_receive;
 471         ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
 472                                 atomic_inc_return(&zcrypt_step);
 473         ap_msg.private = &work;
 474         rc = ICAMEX_msg_to_type50MEX_msg(zq, &ap_msg, mex);
 475         if (rc)
 476                 goto out_free;
 477         init_completion(&work);
 478         ap_queue_message(zq->queue, &ap_msg);
 479         rc = wait_for_completion_interruptible(&work);
 480         if (rc == 0) {
 481                 rc = ap_msg.rc;
 482                 if (rc == 0)
 483                         rc = convert_response(zq, &ap_msg, mex->outputdata,
 484                                               mex->outputdatalength);
 485         } else
 486                 /* Signal pending. */
 487                 ap_cancel_message(zq->queue, &ap_msg);
 488 out_free:
 489         kfree(ap_msg.message);
 490         return rc;
 491 }
 492 
 493 /**
 494  * The request distributor calls this function if it picked the CEXxA
 495  * device to handle a modexpo_crt request.
 496  * @zq: pointer to zcrypt_queue structure that identifies the
 497  *      CEXxA device to the request distributor
 498  * @crt: pointer to the modexpoc_crt request buffer
 499  */
 500 static long zcrypt_cex2a_modexpo_crt(struct zcrypt_queue *zq,
 501                                      struct ica_rsa_modexpo_crt *crt)
 502 {
 503         struct ap_message ap_msg;
 504         struct completion work;
 505         int rc;
 506 
 507         ap_init_message(&ap_msg);
 508         if (zq->zcard->user_space_type == ZCRYPT_CEX2A)
 509                 ap_msg.message = kmalloc(MSGTYPE50_CRB2_MAX_MSG_SIZE,
 510                                          GFP_KERNEL);
 511         else
 512                 ap_msg.message = kmalloc(MSGTYPE50_CRB3_MAX_MSG_SIZE,
 513                                          GFP_KERNEL);
 514         if (!ap_msg.message)
 515                 return -ENOMEM;
 516         ap_msg.receive = zcrypt_cex2a_receive;
 517         ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
 518                                 atomic_inc_return(&zcrypt_step);
 519         ap_msg.private = &work;
 520         rc = ICACRT_msg_to_type50CRT_msg(zq, &ap_msg, crt);
 521         if (rc)
 522                 goto out_free;
 523         init_completion(&work);
 524         ap_queue_message(zq->queue, &ap_msg);
 525         rc = wait_for_completion_interruptible(&work);
 526         if (rc == 0) {
 527                 rc = ap_msg.rc;
 528                 if (rc == 0)
 529                         rc = convert_response(zq, &ap_msg, crt->outputdata,
 530                                               crt->outputdatalength);
 531         } else
 532                 /* Signal pending. */
 533                 ap_cancel_message(zq->queue, &ap_msg);
 534 out_free:
 535         kfree(ap_msg.message);
 536         return rc;
 537 }
 538 
 539 /**
 540  * The crypto operations for message type 50.
 541  */
 542 static struct zcrypt_ops zcrypt_msgtype50_ops = {
 543         .rsa_modexpo = zcrypt_cex2a_modexpo,
 544         .rsa_modexpo_crt = zcrypt_cex2a_modexpo_crt,
 545         .owner = THIS_MODULE,
 546         .name = MSGTYPE50_NAME,
 547         .variant = MSGTYPE50_VARIANT_DEFAULT,
 548 };
 549 
 550 void __init zcrypt_msgtype50_init(void)
 551 {
 552         zcrypt_msgtype_register(&zcrypt_msgtype50_ops);
 553 }
 554 
 555 void __exit zcrypt_msgtype50_exit(void)
 556 {
 557         zcrypt_msgtype_unregister(&zcrypt_msgtype50_ops);
 558 }
/* [<][>][^][v][top][bottom][index][help] */