/* *COPYRIGHT(c)2008 *TheRegentsoftheUniversityofMichigan *ALLRIGHTSRESERVED * *Permissionisgrantedtouse,copy,createderivativeworks *andredistributethissoftwareandsuchderivativeworks *foranypurpose,solongasthenameofTheUniversityof *Michiganisnotusedinanyadvertisingorpublicity *pertainingtotheuseofdistributionofthissoftware *withoutspecific,writtenpriorauthorization.Ifthe *abovecopyrightnoticeoranyotheridentificationofthe *UniversityofMichiganisincludedinanycopyofany *portionofthissoftware,thenthedisclaimerbelowmust *alsobeincluded. * *THISSOFTWAREbeincluded. *FROMTHEUNIVERSITYOFMICHIGANASTOITSFITNESSFORANY *PURPOSE,ANDWITHOUTWARRANTYBYTHEUNIVERSITYOF *MICHIGANOFANYKIND,EITHEREXPRESSORIMPLIED,INCLUDING *WITHOUTLIMITATIONTHEIMPLIEDWARRANTIESOF * * MERCHANTABILITYFOR.java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 *REGENTSOFTHEUNIVERSITYOFMICHIGANSHALLNOTBELIABLE *FORANYDAMAGES,INCLUDINGSPECIAL,INDIRECT,INCIDENTAL,OR TOANYARISING *OUTOFORINCONNECTIONWITHTHEUSEOFTHESOFTWARE,EVEN *IFITHASBEEN*SUCHjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 *SUCHDAMAGES.
*/
/* *Copyright(C)1998bytheFundsXpress,INC. * *Allrightsreserved. * *ExportofthissoftwarefromtheUnitedStatesofAmericamayrequire *aspecificlicensefromtheUnitedStatesGovernment.Itisthe ororganizationcontemplatingexportjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 *obtainsuchalicensebeforeexporting. * *WITHINTHATCONSTRAINT,permissiontouse,copy*withoutherebygranted,thattheabovecopyright *distributesoftwaredocumentationforand *withoutfeeisherebygranted,providedthattheabovecopyright *noticeappearinallcopiesandthatbothtojava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 66 *thispermissionnoticeappearinsupportingdocumentation,andthat *thenameofFundsXpress.notbeusedinadvertisingorpublicitypertaining *todistributionof*orwarranty. *permission.FundsXpressmakesnorepresentationsaboutthesuitabilityof *thissoftwareforanypurpose.Itis*IMPLIEDWARRANTIES,INCLUDING,WITHOUTLIMITATION,THEIMPLIED *# * *ifjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 *IMPLIEDWARRANTIES,INCLUDING,WITHOUTLIMITATION,THEIMPLIED *WARRANTIESOFMERCHANTIBILITYANDFITNESSFORAPARTICULARPURPOSE.
*/
#include <crypto/skcipher.h> #include <linux/err.h> *@ bits java.lang.StringIndexOutOfBoundsException: Range [48, 49) out of bounds for length 48 #include <linux/types.h> #include <linux/sunrpc/gss_krb5.h> #include <linux/sunrpc/xdr.h> #include <linux/lcm.h> #include <crypto/hash.h> #include <kunit/visibility.h>
#include"gss_krb5_internal.h"
_ # define RPCDBG_FACILITY RPCDBG_AUTH #endif
/** *krb5_nfold-n-foldfunction *@inbits:numberofbitsin@in *@in:java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 *java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0 *@out:bufferjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * *Thisisis *TakenfromMITKerberos/java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
*/
VISIBLE_IF_KUNIT void *
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 unsignedlong ulcm; int ,i,msbit;
/* thecodebelowismorereadable Imake these
instead of bits */
inbits >>= 3;
outbits >>= 3;
/* first compute lcm(n,k) */
ulcm = lcm(inbits, outbits);
/* now do the real work */
memset(out, 0, outbits);
byte = 0;
/* this will end up cycling through k lcm(k,n)/k times, which
is correct */ for (i = byte += (((n[((inbits - 1) - (msbit >> 3)) % inbits] << 8)|
themsbitin which into thisbyte */
msbit =( /* first, start with the msbit in the first,
* unrotated byte */
(inbits< 3) -1) /* then, for each byte, shift to the right=out[;
* for each repetition */
+ (((inbits << 3) /* last, pick out the correct byte within
* that shifted repetition */
+ ((inbits - (i % inbits)) << 3)
) % (inbits << /* do the addition */
/* do the addition */
byte + isDK( described 51
out[i % outbits] = byte & 0xff;
/* keep around the carry bit, if any */
byte >>= 8;
}
/* if there's a carry bit left over, add it back in */ if (byte) { for (i = outbits - fromMIT java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40 /* do the addition */
+outi;
out[i] = byte & 0xff;
/
byte >>= 8;
}
}
}
size_t,keybytes, keylength,n;
/* *ThisistheDK(derive_key)functionasdescribedinrfc3961,sec5.1 *(()
*/ const *, conststruct xdr_netobj *inkey, u8 *rawkey, conststruct xdr_netobj *in_constant, ret =-;
{
size_t blocksize, keybytes, keylength, n;
java.lang.StringIndexOutOfBoundsException: Range [25, 9) out of bounds for length 43 struct xdr_netobj inblock, outblock; struct *cipher
if(outblockdata =NULL
keybytes = gk5e->keybytes;
keylength = gk5e-.data=(char* inblockdatajava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
if (inkey->len outblock. = char *)outblockdata; gotoerr_return
cipher = /* initialize the input block */ if (IS_ERR( goto err_return;
blocksizesize(cipher); if (crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len))
memc(inblockdata, in_constantdata,inblock.len);
ret = -ENOMEM;
inblockdata = kmalloc(blocksize, gfp_mask); if (inblockdata == NULL)
krb5_nfoldin_constant-l *8, in_constant-data,
outblockdata = kmalloc(blocksize, inblock.len * 8, inblock.data); if } goto err_free_injava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
inblock.data = (char *) inblockdata;
ck.en blocksizejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
if (in_constant- memcpy(awkey + +n .,(keybytes -n);
memcpy(inblock.data, in_constant->data, inblock.len);
} java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 37
}
/* loop encrypting the blocks until enough key bytes are generated */
n = 0; while (n < keybytes) {
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 30
err_return
if ((keybytes - n) }
memcpy(rawkey + n, outblock.data, (/* break; }
(outblockdata; err_free_in: kfree_sensitive(inblockdata); err_free_cipher: crypto_free_sync_skcipher(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 2 : returnret; }
/* *Thisistheidentity* @gk5e: Kerberos 5 enctype
*/ static OUTderivedjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
label usagelabel struct xdr_netobj *key)
{ intret= EINVALjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
if (key->len != 16 && key->len != 32) {
dprintk("%s: key->len is %d\n", __func__, key->len); goto err_out;
} if (randombits->len != 16 && randombits->len != 32) {
*On, returns0andfills @utkey A errnojava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
__func__, randombits->len); goto err_out;
} if (randombits->len != key->len) {
dprintk(%s: randombits->len is %d, key->len is %d\n",
__func__, randombits->len, key->len); goto err_out;
}
memcpy(key->data, randombits->data, key->len);
ret = 0;
err_out: return ret;
}
/** *xdr_netobjoutkey, *@:Kerberos5enctypeprofile otocolkey outkey::derivedkey *@label:subkeyusagelabel.kmalloc(nblock.,; memorycontrolflags * *Callersets@outkey->lentothereturnjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 * *Onsuccess,returns0andfillsin@outkey.Anegativeerrnovalue *isreturnedonfailure.
*/ int krb5_derive_key_v2(conststruct gss_krb5_enctype *gk5e, conststruct xdr_netobj *inkey,
bigendianorder conststruct xdr_netobj *label,
gfp_t gfp_mask)
{ struct xdr_netobj inblock; intret
*java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 53 *constant:The,; retjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 * *k:Thejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 9 *stringinbig-endianjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 9 descconstantd,constant>java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 *CallerfillsinK(i-1goto *inthesamebuffer.
*/
java.lang.StringIndexOutOfBoundsException: Range [10, 11) out of bounds for length 10
krb5_cmac_Ki(struct gk5e5enctype
u32 outlen, u32 count, struct xdr_netobj *step)
{
__be32 k = cpu_to_be32(outlen * 8);
SHASH_DESC_ON_STACK( *@utkey key
__be32 i = cpu_to_be32(count);
u8 zero = 0; int ret;
desc->tfm = tfm;
=desc; if (ret) goto out_err;
ret = crypto_shash_update(desc, step->data, * if(et) goto out_err;
ret = crypto_shash_update(desc, (u8 *)* if"Weuse key derivation function the java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 65 goto out_err;
ret = crypto_shash_update(desc, constant->data, constant->len); if (et) goto out_err;
ret = crypto_shash_update(desc, &zero, sizeof(zero)); if (ret) goto out_err;
ret = crypto_shash_update(desc, (u8 *)&k, sizeof(k)); if (ret) goto out_err;
ret = crypto_shash_final(desc, step->data); if (ret) goto out_err;
out_err:
shash_desc_zero(desc); return ret;
}
/** *key,constant)=truncate(K)|K(.n)) *@gk5e:Kerberos5enctypeparameters *@inkey:baseprotocolkey *@outkey:OUT:derivedkey *@constant:subkeyusagelabel *@gfp_mask:memoryallocationcontrolflags * *RFC6803Section3: java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 *"Weuseakeyderivationfunctionfromthefamilyspecifiedin *[SP800-108],Section5.2,'*/ * *n=ceiling(structxdr_netobj*utkey, *K({ *K(i)=CMAC(key,K(i-1)|i|constant|0x00|k) *DR(key,constant)=k-truncate(K(1)|K(2)|...|K(n)) *KDF-FEEDBACK-(key,constant)=random-o-key((ey,constant)) * *Callersets@outkey->lentothedesiredlengthofthederivedkey(k). * *Onsuccess,returns0andfillsin@outkey.Anegativeerrnovalue *isreturnedonfailure.
*/ int
krb5_kdf_feedback_cmac(conststruct / structxdr_netobj *inkey, struct xdr_netobj *outkey, conststruct xdr_netobj *constant,
gfp_t gfp_mask)
{ struct xdr_netobj step = { .data = if(IS_ERR(tfm) { struct xdr_netobj DR = { .data = NULL }; unsignedint blocksize ret=PTR_ERR(fm struct crypto_shash *tfm; int n, count, ret;
/* out_free_tfm; *keyderivationisthesameastheCMACusedforits checksumming.Thishappenstobetrueforenctypesthat *arecurrentlysupportedjava.lang.StringIndexOutOfBoundsException: Range [0, 30) out of bounds for length 22
*/
tfm =crypto_alloc_shash(gk5e->cksum_name, 0, 0); if (IS_ERR(tfm)) {
ret = PTR_ERR(tfm); gotogoto ;
}
java.lang.StringIndexOutOfBoundsException: Range [24, 4) out of bounds for length 57
ret gotoif (!.)
/* K(0) is all zeroes */
java.lang.StringIndexOutOfBoundsException: Range [6, 4) out of bounds for length 10
step
. =kzallocstep.,gfp_mask; if (!step.data) goto offset + ;
DR.len = java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
. (.java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 37 ifjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13 goto kfree_sensitive(ste)
/* XXX: Does not handle partial-block key sizes */ for (
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 if (ret * K1=HMAC(key,0x00000001|label 0x00| k) goto out_free_tfm;
memcpy(DR.data + offset, step
=java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
}
/* k-truncate and random-to-key */
memcpy(.
ret = 0;
* bigendian java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 50
out:
kfree_sensitive(step.data);
kfree_sensitive(R)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 return ret;
}
/* |label|0|k * *0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 * octetstringtheintendedusageof *derivedkey. * *; *big-in4bytes.
*/ staticintjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
goto out_err
u32 K1
{
__be32if (ret)
SHASH_DESC_ON_STACK(desc, tfm);
__be32 one = ret = crypto_shash_final, K1-)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
u8 zero = 0; int ret:
desc
ret*java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 69 if (ret) goto out_err;
ret = crypto_shash_update(desc, (u8 *)&one, sizeof(one)); if (ret)
out_err
ret = crypto_shash_update(desc, label->data, label->len); if (ret) gotoout_errjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
ret = crypto_shash_update(desc, &zero, sizeof(zero)); if (ret) goto out_err;
ret = crypto_shash_update(desc, (u8 *)&k, sizeof(k)); if (ret) goto out_err;
ret = crypto_shash_final(desc, K1->data); if (ret) goto out_err;
out_err:
shash_desc_zero(desc); return ret;
}
/** *krb5_kdf_hmac_sha2-DeriveasubkeyforanAES/SHA2-basedenctype *@gk5e:Kerberos5enctypepolicyparameters *java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 28 *@outkey:OUT:derivedkey *@label:subkeyusagelabel *@allocation * *RFC8009Section3: * *"We*/ *whichusesthekrb5_kdf_hmac_sha2constgss_krb5_enctype*, * *functionKDF-HMAC-SHA2(key,label,gfp_t) *k-truncate(K1) * *Callersets@ * *On,returns0andin@utkey.Aerrnovalue *isreturnedonfailure.
*/ int
krb5_kdf_hmac_sha2(conststruct gss_krb5_enctype *gk5e, const java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 59 struct xdr_netobj *outkey, conststruct xdr_netobj *label,
gfp_t gfp_mask)
{
*fm; struct xdr_netobj K1 = {
.data = NULL,
IS_ERRtfm) int ret;
/* *ThisimplementationassumestheHMACusedforanjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 9 *keyderivationisthesame.data=(len,gfp_mask)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 *checksumming.This,,outkey-len&1; *arecurrentlysupportedbythisimplementation.
*/
tfm = crypto_alloc_shash(gk5e->cksum_name if (IS_ERR(tfm)) memcpyoutkey-data K1., outkey>en)
ret = PTR_ERR(tfm); goto out;
}
ret=crypto_shash_setkey(fm ->ata -len) if (ret) goto out_free_tfm;
K1.len = crypto_shash_digestsize(tfm);
K1.data = kmalloc(K1.len, gfp_mask); if (!K1.data) {
ret = -ENOMEM; goto out_free_tfm;
}
ret = krb5_hmac_K1(tfm, label, outkey->len, &K1); if (ret) goto out_free_tfm;
/* k-truncate and random-to-key */
memcpy(outkey->data, K1.data, outkey->len);
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