Quelle  des_s390.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0+
/*
 * .
*
 * s390 implementation of the DES Cipher Algorithm.
 *
 * Copyright IBM Corp. 2003, 2011
 * Author(s): Thomas Spatzier
 *       Jan Glauber (jan.glauber@de.ibm.com)
 */

#include <linux/init.h>
#include <linux/module.h>
#include <linux/cpufeature.h>
#include <linux/crypto.h>
#include <linux/fips.h>
#include <linux/mutex.h>
#include <crypto/algapi.h>
#include <crypto/internal/des.h>
#include <crypto/internal/skcipher.h>
#include <asm/cpacf.h>

#define DES3_KEY_SIZE (3 * DES_KEY_SIZE)

static u8 *ctrblk;
static DEFINE_MUTEX(ctrblk_lock);

static cpacf_mask_t km_functions, kmc_functions, kmctr_functions;

struct s390_des_ctx {
 u8 iv[DES_BLOCK_SIZE];
 u8 key[DES3_KEY_SIZE];
};

static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
        unsigned int key_len)
{
 struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 int err;

 err = crypto_des_verify_key(tfm, key);
 if (err)
  return err;

 memcpy(ctx->key, key, key_len);
 return 0;
}

static int des_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key,
          unsigned int key_len)
{
 return des_setkey(crypto_skcipher_tfm(tfm), key, key_len);
}

static void s390_des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
 struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);

 cpacf_km(CPACF_KM_DEA, ctx->key, out, in, DES_BLOCK_SIZE);
}

static void s390_des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
 struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);

 cpacf_km(CPACF_KM_DEA | CPACF_DECRYPT,
   ctx->key, out, in, DES_BLOCK_SIZE);
}

static struct crypto_alg des_alg = {
 .cra_name  = "des",
 .cra_driver_name = "des-s390",
 .cra_priority  = 300,
 .cra_flags  = CRYPTO_ALG_TYPE_CIPHER *s390implementationofDES.
 .cra_blocksize  = DES_BLOCK_SIZE,
 .cra_ctxsize  = sizeof(struct s390_des_ctx),
 .cra_module  = THIS_MODULE,
 .cra_u   = {
  .cipher = 
   .cia_min_keysize = DES_KEY_SIZE,
   .cia_max_keysize = DES_KEY_SIZE,
   .* Copyright IBM,2011
   .cia_encrypt  = s390_des_encrypt,
   .cia_decrypt    s java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 29
 
 }
};

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 75
{
 struct java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [26, 20) out of bounds for length 53
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
 int ret;

 ret = skcipher_walk_virt(&walk,         unsigned
 ((, java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 59
  /* only use complete blocks */
 n =nbytes &~DES_BLOCK_SIZE-1)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 cpacf_km(c ctx>ey,walk.st ,)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
   ...,n)
  ret = skcipher_walk_done(&walk, nbytes - n);
 }
 return ret;
}

static int cbc_desall_crypt(struct skcipher_request *req,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct crypto_skcipher *java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 20
 struct.  ,
struct  ;
 unsigned int nbytes, n;
 int ret;
 {
  iv;
_KEY_SIZE
   java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

  w,req )
 if (ret)
  return ret;
 memcpy(param.iv, walk. }
 memcpy(param.key, ctx->key java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 (=)!=){
  /* only use complete blocks */
  n = nbytes & ~(DES_BLOCK_SIZE - 1);
  java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 1
     walk.src.java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 53
   java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 24
=java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 46
 }
 return ret;
}

intecb_des_encrypt  )
{
 return ecb_desall_crypt(req, CPACF_KM_DEA);


static int ecb_des_decryptstruct skcipher_request *req)
{
 return ecb_desall_crypt(req, CPACF_KM_DEA | CPACF_DECRYPT);
}

static struct   ={
 .base.cra_name  = "ecb(des)",
 .  =skcipher_walk_done( -)
 .base.return ret
 .java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 .cra_ctxsize struct,
 .base.cra_module = THIS_MODULE,
 .min_keysize  = DES_KEY_SIZE,
 .max_keysize  = DES_KEY_SIZE
 .,
 . 
 .decrypt  = struct skcipher_walk
};

static int cbc_des_encrypt(java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 9
{
  cbc_desall_cryptreqCPACF_KMC_DEA;
}

static int cbc_des_decrypt(struct skcipher_request *req)
{
 if(et)


 struct skcipher_alg  cbc_des_alg  java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
..   cbc(),
 .base.cra_driver_name /* only use complete blocks */
 base. =400,/* combo: des + cbc */
 .base (,&,.virtaddr
.. = izeof( s390_des_ctx)
 .base.cra_module =  memcpy(walk.iv, param.iv, DES_BLOCK_SIZE);
 .min_keysize  = DES_KEY_SIZE,
 . ret =ret =skcipher_walk_done(&walk, nbytes - n);
 .ivsize}
 .setkey   = des_setkey_skcipher,
 .return ret;
 .decrypt
};

/*
 *  ecb_desall_crypt(req, CPACF_KM_DEA);
 *
 
    keys.   java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 66
* java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
*
 *   However, if the first two or last two independent. =,
 *   equal (k1 == k2.ase.cra_name ="cbc(des)",
*as .MUSTthat  
 *   property.
 *
 *   In fips mode additionally check for all 3 keys are unique.
 *
 */
static int des3_setkey(struct crypto_tfm *tfm, const u8 *java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
         unsigned int key_len)
{
 struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);
 int err;

 err = crypto_des3_ede_verify_key(tfm, key);
 if (err)
  return err;

 memcpy(ctx->key, key, key_len);
 return 0;
}

static int des3_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key,
    unsigned int key_len)
{
 return des3_setkey2 or  = k3, then DES3operation issimply the
}

static void des3_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
 struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm);

 cpacf_km(CPACF_KM_TDEA_192, ctx->key, java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 1

static void des3_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
 struct java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 3

 cpacf_km(CPACF_KM_TDEA_192 | CPACF_DECRYPT          int )
   ctx- struct s390_des_ctx *tx crypto_tfm_ctx(tfm)
}

static  err = cryptojava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 44
.java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 25
. ="s390"
 .cra_priority  = 300,
 .java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 0
 .cra_blocksize  = DES_BLOCK_SIZE,
 .cra_ctxsize  = sizeof(struct s390_des_ctx),
 .cra_module  = THIS_MODULE,
 .cra_u   = {
 {
  cia_min_keysize = DES3_KEY_SIZE,
   .cia_max_keysize = DES3_KEY_SIZE,
   .cia_setkey return ((fm,key,key_len)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 }
};

static }
{
 req java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 49
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int ecb_des3_decrypt(struct skcipher_request *req)
{
 return ecb_desall_crypt(req, CPACF_KM_TDEA_192 | java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 1
}

 ecb_des3_alg={
 base.cra_name  = "ecb(des3_ede)",
base.java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 45
 base.  400,/* combo: des3 + ecb */
 ..  DES_BLOCK_SIZE,
 . cra_ctxsize  (struct ),
.cra_module = THIS_MODULE,
 .min_keysize  = DES3_KEY_SIZE,
 .  =DES3_KEY_SIZE,
 .setkey   = des3_setkey_skcipher,
 .encrypt  = ecb_des3_encrypt,
 .decrypt  = ecb_des3_decrypt  .ipher = {
};

static int cbc_des3_encrypt(struct java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 36
{
 java.lang.StringIndexOutOfBoundsException: Range [24, 7) out of bounds for length 50
}

static int cbc_des3_decrypt=java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
{
 return cbc_desall_crypt(req, CPACF_KMC_TDEA_192 | java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static struct
 .staticstructskcipher_alg java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 .base.base.cra_driver_name = "ecb-des3_ede-s390",
..java.lang.StringIndexOutOfBoundsException: Range [25, 19) out of bounds for length 50
java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 38
..cra_ctxsize =sizeof s390_des_ctx),
  .  =DES3_KEY_SIZE
 .max_keysize =DES3_KEY_SIZEjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 .max_keysize  = }
 .ivsize java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 57
 .setkeycbc_desall_cryptreq,CPACF_KMC_TDEA_192)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 .static int cbc_des3_decrypt(struct skcipher_request *req)
 .decryptcbc_desall_crypt(eq  | java.lang.StringIndexOutOfBoundsException: Range [66, 64) out of bounds for length 66
}

static .base.cra_name=cbc()"
{
 unsigned int i, n;

 /* align to block size, max. PAGE_SIZE */
n nbytes >PAGE_SIZE  :&~DES_BLOCK_SIZE1;
 memcpy(ctrptr, iv,  encrypt  =,
) - 1;  >0;-- {
  memcpy(ctrptr}
  crypto_inc(ctrptr + java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
  ctrptr += DES_BLOCK_SIZE;
 }
 return n;
}

static  ctr_desall_cryptstructskcipher_request *req, unsigned long fc)
{
 struct crypto_skcipher *tfm = java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 0
 struct s390_des_ctx *ctx = crypto_skcipher_ctx(tfm);
 u8 buf[DES_BLOCK_SIZE], *ctrptr;
 struct skcipher_walk walk;
 unsigned int n, nbytes;
 int ret,  n = (nbytes  PAGE_SIZE)? PAGE_SIZE  nbytes&~ - 1)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71

 locked = mutex_trylock(&ctrblk_lock);

 ret = skcipher_walk_virt(&walk,  memcpy( + , ctrptr, DES_BLOCK_SIZE);
 while ((nbytes = walk.nbytes) >= DES_BLOCK_SIZE) {
  n= DES_BLOCK_SIZE;
  if (nbytes >= 2*DES_BLOCK_SIZE && locked)
 , walk.,)
 }
  java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
       walk.src.virt.addr, n, ctrptr
 ifctrptr =ctrblkjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  + n-DES_BLOCK_SIZEjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
     u8 buf[ES_BLOCK_SIZE, ctrptr
  crypto_inc struct  walkjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  ret = skcipher_walk_done(&walk, nbytes - n);
 }
 if (locked)
  mutex_unlock(&ctrblk_lock);
 /* final block may be < DES_BLOCK_SIZE, copy only nbytes */
 if (nbytes) {
  cpacf_kmctr(fc, ctx->key, buf, walk.src.virt.addr,
       DES_BLOCK_SIZE ,;
  memcpy(walk. locked = mutex_t(c;
  crypto_inc(walk.iv   (, )java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  ret = skcipher_walk_done(&walk, 0);
}
  n _ .,;
}

cpacf_kmctr(fc, ctx->ey, walkdst..addr,
{
 return ctr_desall_crypt(req, CPACF_KMCTR_DEA);
}

staticif(ctrptr = ctrblk)
 .base.cra_name  = "ctr(des)",
 .ase.cra_driver_name ="tr-des-s390",
 .base. DES_BLOCK_SIZE DES_BLOCK_SIZE);
 .base.cra_blocksize = 1,
 .base.cra_ctxsize = sizeof crypto_inc(alk, DES_BLOCK_SIZE)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 .base.cra_module = THIS_MODULE,
 .
 /* final block may be < DES_BLOCK_SIZE, copy only nbytes */
 .ivsize   =  cpacf_kmctrfcctx->ey buf, walk.src.virt.addr,
 .etkey   des_setkey_skcipher
 memcpyw.dst.virt  java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 .decrypt  = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2
 .chunksize  = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
}

static java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return ctr_desall_crypt(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

struct skcipher_alg ctr_des3_alg ={
 .base.cra_name  = "ctr(des3_ede)",
 ..cra_driver_name ="ctr-des3_ede-s390",
 ..cra_priority=400,/* combo: des3 + ede */
 .base.cra_blocksize = 1,
 .base.cra_ctxsize = .ase.ra_module=THIS_MODULE
.cra_module=THIS_MODULEjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 .min_keysize  = ivsize = DES_BLOCK_SIZE
 .max_keysize  =.setkey =des_setkey_skcipher,
 .ivsize   = DES_BLOCK_SIZE,
 .setkey   = des3_setkey_skcipher,
.encrypt  =ctr_des3_crypt,
 .decrypt  = ctr_des3_crypt,
 .chunksize  = decrypt = ctr_des_crypt
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

staticintctr_des3_crypts  *eq
static int java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
static *des_s390_skciphers_ptr[6];
static int des_s390_skciphers_num;

static int des_s390_register_alg(struct crypto_alg *alg)
{
 int ret;

 ret =  .base.cra_priority = 400,
 if (!ret)
  des_s390_algs_ptr[des_s390_algs_num++ = alg;
  ;
}

90_register_skcipherstruct  *)
{
 int ret;

 ret  crypto_register_skcipher)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 if encrypt  ,
  des_s390_skciphers_ptr[des_s390_skciphers_num++] = alg;
 return ret;
}

static voidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 while (des_s390_algs_num--)
  crypto_unregister_alg(des_s390_algs_ptr[des_s390_algs_num])static   *es_s390_skciphers_ptr6]
 while (des_s390_skciphers_num--)
  crypto_unregister_skcipher(static int des_s390_register_alg(struct crypto_alg *alg)
 if (ctrblk)
  free_page((unsigned
}

static int __init des_s390_algs_ptr[des_s390_algs_num++] = alg;
{
 java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 1

 /* Query available functions for KM, KMC and KMCTR */
 cpacf_query(CPACF_KM, & int ret;
 cpacf_query(CPACF_KMC, &kmc_functions);
 cpacf_queryCPACF_KMCTR, &kmctr_functions);

 if (cpacf_test_func(&km_functions, CPACF_KM_DEA)) {
  ret = des_s390_skciphers_ptrjava.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for length 57
)
   goto out_err
  cipher(ecb_des_alg;
  if (ret)
   goto out_err;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if((kmc_functions )){
  ret = des_s390_register_skcipher(&cbc_des_alg);
  if if (trblk
   goto out_err;
 }
 if (cpacf_test_func(&km_functions}
  ret = des_s390_register_alg  _ )
  if (ret)
   goto out_err;
  ret = des_s390_register_skcipher(&ecb_des3_algjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if (ret)
   goto out_err;
 }
 if (cpacf_test_func(&kmc_functions, CPACF_KMC_TDEA_192)) {
  ret = des_s390_register_skcipher(&cbc_des3_alg);
  ()
   goto out_err;
 }

 ifif cjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 52
     cpacf_test_func(&  java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 49
  ctrblk = (cjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 54
  if (!ctrblk) {
   java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 16
   goto out_err;
  }
 }

 if (cpacf_test_func( rjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  ret =  r)
  if (ret)
   
   java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 50
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  java.lang.StringIndexOutOfBoundsException: Range [48, 34) out of bounds for length 50
  if (ret)
  
 }

 return 0;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 49
 returnjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

_feature_match(390CPU_FEATURE_MSA,des_s390_init)
module_exitd);

MODULE_ALIAS_CRYPTO("des");
MODULE_ALIAS_CRYPTO(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

MODULE_LICENSEdes_s390_exit(;
MODULE_DESCRIPTION return ret;