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active-directory - KDC不支持加密类型(14)

我正在尝试使用spring-security-kerberos扩展用kerberos实现SSO。

我创建了一个 key 表文件，尝试访问我的Web应用程序时出现以下错误:

GSSException: Failure unspecified at GSS-API level (Mechanism level: Checksum failed)

我试图根据this post测试我的 key 表。

key 表是使用以下命令创建的:
ktpass /out http-web.keytab /mapuser [email protected] /princ HTTP/[email protected] /pass myPass /ptype KRB5_NT_PRINCIPAL -crypto RC4-HMAC-NT /kvno 0

我的krb5.conf如下
[libdefaults]
default_realm = MYDOMAIN.COM
permitted_enctypes =  aes256-cts arcfour-hmac-md5 aes128-cts rc4-hmac des3-cbc-sha1 des-cbc-md5 des-cbc-crc
default_tgs_enctypes = aes256-cts arcfour-hmac-md5 aes128-cts rc4-hmac des3-cbc-sha1 des-cbc-md5 des-cbc-crc
default_tkt_enctypes = aes256-cts arcfour-hmac-md5 aes128-cts rc4-hmac des3-cbc-sha1 des-cbc-md5 des-cbc-crc
kdc_timesync = 1
ccache_type = 4
forwardable = true
proxiable = true

[realms]
MYDOMAIN.COM = {
kdc = controller1.mydomain.com:88
kdc = controler2.mydomain.com:88
kdc = controller3.mydomain.com:88
admin_server = controller3.mydomain.com
default_domain = MYDOMAIN.COM
}

[domain_realm]
.mydomain.com = MYDOMAIN.COM
mydomain.com = MYDOMAIN.COM

[login]
krb4_convert = true
krb4_get_tickets = false

我收到以下错误:
 KDC has no support for encryption type (14)

我曾尝试为SPN帐户启用DES，AES-128和AES-256，但它没有解决问题。

我在这里想念什么？

谢谢，
骗子

最佳答案

只是连续几天对KrbException发出了疑问，“KDC不支持加密类型(14)”。我访问过许多地方，包括一些深入的MSDN博客文章(来自Sunhongwei，Sebastian Canevari)，由于缺乏声誉而无法引用。

谢谢，您提到了kvno 0和DES杂乱无章的DES，它现在也对我有效。

最后，归结为我使用了“我的用户帐户”设置

userAccountControl:0d66048或与0b10000001000000000匹配的0x10200
或ADS_UF_DONT_EXPIRE_PASSWD(0x00010000)和ADS_UF_NORMAL_ACCOUNT(0x00000200)，但未设置UF_USE_DES_KEY_ONLY(0x200000)

和

msDS-SupportedEncryptionTypes:匹配0b10000或AES256-CTS-HMAC-SHA1-96(0x10)的0d16或0x10，但未设置RC4-HMAC(0x04)。

ldapsearch -h masterdc.localnet.org -D 'spn_hostname' -w '*password*' -b 'ou=Accounts,dc=localnet,dc=org' -s sub 'userPrincipalName=HTTP/[email protected]' distinguishedName servicePrincipalName userPrincipalName msDS-SupportedEncryptionTypes userAccountControl
# extended LDIF
#
# LDAPv3
# base <ou=Accounts,dc=localnet,dc=org> with scope subtree
# filter: userPrincipalName=HTTP/[email protected]
# requesting: distinguishedName servicePrincipalName userPrincipalName msDS-SupportedEncryptionTypes userAccountControl
#

# spn_hostname, DokSvc, Services, Accounts, localnet.org
dn: CN=spn_hostname,OU=DokSvc,OU=Services,OU=Accounts,DC=localnet,DC=org
distinguishedName: CN=spn_hostname,OU=DokSvc,OU=Services,OU=Accounts,DC=localnet,DC=org
userAccountControl: 66048
userPrincipalName: HTTP/[email protected]
servicePrincipalName: HTTP/hostname.localnet.org
servicePrincipalName: HTTP/[email protected]
msDS-SupportedEncryptionTypes: 16

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1

通过在我的/etc/krb5.conf文件中使用此代码以及以下代码，当从default_tkt_enctypes中删除rc4-hmac时，可以可笑地引发“KrbException KDC不支持加密类型(14)”的问题。

/etc/krb5.conf:
[logging]
  default = FILE:/var/log/krb5libs.log
  kdc = FILE:/var/log/krb5kdc.log
  admin_server = FILE:/var/log/kadmind.log
[libdefaults]
  default_realm = LOCALNET.DE
  default_tkt_enctypes = aes256-cts
  default_tgs_enctypes = aes256-cts
  permitted_enctypes = aes256-cts
[realms]
LOCALNET.ORG = {
  kdc = masterdc.localnet.org:88
  admin_server = masterdc.localnet.org
  default_domain = LOCALNET.ORG
}
[domain_realm]
  .localnet.org = LOCALNET.ORG
  localnet.org = LOCALNET.ORG
[appdefaults]
  autologin = true
  forward = true
  forwardable = true
  encrypt = true

但是，如果将其更改为default_tkt_enctypes = aes256-cts rc4-hmac，它将成功。

请注意，您也可以省去在/etc/krb5.conf中指定default_tkt_enctypes指令，以使其起作用。
Using builtin default etypes for default_tkt_enctypes
default etypes for default_tkt_enctypes: 18 17 16 23.

因此，看起来Windows Server 2008 SP2 Active Directory在预身份验证阶段确实明确要求RC4-HMAC:
         PA-ETYPE-INFO2 etype = 23, salt = null, s2kparams = null

我已经更新了JDK的jre/lib/security文件夹中的JCE 1.8.0策略文件，以便支持AES256。

亲切的问候，
斯特凡

编码类型在下指定

Kerberos参数
http://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml
etype   encryption type     Reference
1   des-cbc-crc     [RFC3961]
3   des-cbc-md5     [RFC3961]
17  aes128-cts-hmac-sha1-96     [RFC3962]
18  aes256-cts-hmac-sha1-96     [RFC3962]
23  rc4-hmac    [RFC4757]

失败:
java -cp /somepath/krb5.jar -Dsun.security.krb5.debug=true sun.security.krb5.internal.tools.Kinit -k -t /somepath/spn_hostname.keytab HTTP/[email protected]
>>>KinitOptions cache name is /tmp/krb5cc_723
Principal is HTTP/[email protected]
>>> Kinit using keytab
>>> Kinit keytab file name: /somepath/spn_hostname.keytab
Java config name: null
LSA: Found Ticket
LSA: Made NewWeakGlobalRef
LSA: Found PrincipalName
LSA: Made NewWeakGlobalRef
LSA: Found DerValue
LSA: Made NewWeakGlobalRef
LSA: Found EncryptionKey
LSA: Made NewWeakGlobalRef
LSA: Found TicketFlags
LSA: Made NewWeakGlobalRef
LSA: Found KerberosTime
LSA: Made NewWeakGlobalRef
LSA: Found String
LSA: Made NewWeakGlobalRef
LSA: Found DerValue constructor
LSA: Found Ticket constructor
LSA: Found PrincipalName constructor
LSA: Found EncryptionKey constructor
LSA: Found TicketFlags constructor
LSA: Found KerberosTime constructor
LSA: Finished OnLoad processing
Native config name: C:\Windows\krb5.ini
Loaded from native config
>>> Kinit realm name is LOCALNET.ORG
>>> Creating KrbAsReq
>>> KrbKdcReq local addresses for hostname.localnet.org are:

        hostname.localnet.org/192.168.1.2
IPv4 address
>>> KdcAccessibility: reset
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 64; type: 1
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 64; type: 3
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 72; type: 23
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 88; type: 18
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 72; type: 17
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
default etypes for default_tkt_enctypes: 18.
>>> KrbAsReq creating message
>>> KrbKdcReq send: kdc=masterdc.localnet.org UDP:88, timeout=30000, number of retries =3, #bytes=216
>>> KDCCommunication: kdc=masterdc.localnet.org UDP:88, timeout=30000,Attempt =1, #bytes=216
>>> KrbKdcReq send: #bytes read=194
>>>Pre-Authentication Data:
         PA-DATA type = 19
         PA-ETYPE-INFO2 etype = 18, salt = LOCALNET.ORGHTTPhostname.localnet.org, s2kparams = null

>>>Pre-Authentication Data:
         PA-DATA type = 2
         PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
         PA-DATA type = 16

>>>Pre-Authentication Data:
         PA-DATA type = 15

>>> KdcAccessibility: remove masterdc.localnet.org:88
>>> KDCRep: init() encoding tag is 126 req type is 11
>>>KRBError:
         sTime is Tue Jan 17 18:49:14 CET 2017 1484675354000
         suSec is 822386
         error code is 25
         error Message is Additional pre-authentication required
         sname is krbtgt/[email protected]
         eData provided.
         msgType is 30
>>>Pre-Authentication Data:
         PA-DATA type = 19
         PA-ETYPE-INFO2 etype = 18, salt = LOCALNET.ORGHTTPhostname.localnet.org, s2kparams = null

>>>Pre-Authentication Data:
         PA-DATA type = 2
         PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
         PA-DATA type = 16

>>>Pre-Authentication Data:
         PA-DATA type = 15

KrbAsReqBuilder: PREAUTH FAILED/REQ, re-send AS-REQ
default etypes for default_tkt_enctypes: 18.
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
default etypes for default_tkt_enctypes: 18.
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
>>> KrbAsReq creating message
>>> KrbKdcReq send: kdc=masterdc.localnet.org UDP:88, timeout=30000, number of retries =3, #bytes=305
>>> KDCCommunication: kdc=masterdc.localnet.org UDP:88, timeout=30000,Attempt =1, #bytes=305
>>> KrbKdcReq send: #bytes read=93
>>> KdcAccessibility: remove masterdc.localnet.org:88
>>> KDCRep: init() encoding tag is 126 req type is 11
>>>KRBError:
         sTime is Tue Jan 17 18:49:14 CET 2017 1484675354000
         suSec is 25186
         error code is 14
         error Message is KDC has no support for encryption type
         sname is krbtgt/[email protected]
         msgType is 30
Exception: krb_error 14 KDC has no support for encryption type (14) KDC has no support for encryption type
KrbException: KDC has no support for encryption type (14)
        at sun.security.krb5.KrbAsRep.<init>(Unknown Source)
        at sun.security.krb5.KrbAsReqBuilder.send(Unknown Source)
        at sun.security.krb5.KrbAsReqBuilder.action(Unknown Source)
        at sun.security.krb5.internal.tools.Kinit.<init>(Unknown Source)
        at sun.security.krb5.internal.tools.Kinit.main(Unknown Source)
Caused by: KrbException: Identifier doesn't match expected value (906)
        at sun.security.krb5.internal.KDCRep.init(Unknown Source)
        at sun.security.krb5.internal.ASRep.init(Unknown Source)
        at sun.security.krb5.internal.ASRep.<init>(Unknown Source)
        ... 5 more

成功:
java -cp /home/wls0/webdav/krb5.jar -Dsun.security.krb5.debug=true sun.security.krb5.internal.tools.Kinit -k -t /somepath/spn_hostname.keytab HTTP/[email protected]
>>>KinitOptions cache name is /tmp/krb5cc_723
Principal is HTTP/[email protected]
>>> Kinit using keytab
>>> Kinit keytab file name: /somepath/spn_hostname.keytab
Java config name: null
Native config name: /etc/krb5.conf
Loaded from native config
>>> Kinit realm name is LOCALNET.ORG
>>> Creating KrbAsReq
>>> KrbKdcReq local addresses for hostname.localnet.org are:

        hostname.localnet.org/192.168.1.2
IPv4 address
>>> KdcAccessibility: reset
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 64; type: 1
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 64; type: 3
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 72; type: 23
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 88; type: 18
>>> KeyTabInputStream, readName(): LOCALNET.ORG
>>> KeyTabInputStream, readName(): HTTP
>>> KeyTabInputStream, readName(): hostname.localnet.org
>>> KeyTab: load() entry length: 72; type: 17
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
default etypes for default_tkt_enctypes: 23 18.
>>> KrbAsReq creating message
>>> KrbKdcReq send: kdc=masterdc.localnet.org UDP:88, timeout=30000, number of retries =3, #bytes=180
>>> KDCCommunication: kdc=masterdc.localnet.org UDP:88, timeout=30000,Attempt =1, #bytes=180
>>> KrbKdcReq send: #bytes read=201
>>>Pre-Authentication Data:
         PA-DATA type = 19
         PA-ETYPE-INFO2 etype = 18, salt = LOCALNET.ORGHTTPhostname.localnet.org, s2kparams = null
         PA-ETYPE-INFO2 etype = 23, salt = null, s2kparams = null

>>>Pre-Authentication Data:
         PA-DATA type = 2
         PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
         PA-DATA type = 16

>>>Pre-Authentication Data:
         PA-DATA type = 15

>>> KdcAccessibility: remove masterdc.localnet.org
>>> KDCRep: init() encoding tag is 126 req type is 11
>>>KRBError:
         sTime is Tue Jan 17 19:11:56 CET 2017 1484676716000
         suSec is 116308
         error code is 25
         error Message is Additional pre-authentication required
         sname is krbtgt/[email protected]
         eData provided.
         msgType is 30
>>>Pre-Authentication Data:
         PA-DATA type = 19
         PA-ETYPE-INFO2 etype = 18, salt = LOCALNET.ORGHTTPhostname.localnet.org, s2kparams = null
         PA-ETYPE-INFO2 etype = 23, salt = null, s2kparams = null

>>>Pre-Authentication Data:
         PA-DATA type = 2
         PA-ENC-TIMESTAMP
>>>Pre-Authentication Data:
         PA-DATA type = 16

>>>Pre-Authentication Data:
         PA-DATA type = 15

KrbAsReqBuilder: PREAUTH FAILED/REQ, re-send AS-REQ
default etypes for default_tkt_enctypes: 23 18.
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
default etypes for default_tkt_enctypes: 23 18.
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
>>> KrbAsReq creating message
>>> KrbKdcReq send: kdc=masterdc.localnet.org UDP:88, timeout=30000, number of retries =3, #bytes=269
>>> KDCCommunication: kdc=masterdc.localnet.org UDP:88, timeout=30000,Attempt =1, #bytes=269
>>> KrbKdcReq send: #bytes read=94
>>> KrbKdcReq send: kdc=masterdc.localnet.org TCP:88, timeout=30000, number of retries =3, #bytes=269
>>> KDCCommunication: kdc=masterdc.localnet.org TCP:88, timeout=30000,Attempt =1, #bytes=269
>>>DEBUG: TCPClient reading 1615 bytes
>>> KrbKdcReq send: #bytes read=1615
>>> KdcAccessibility: remove masterdc.localnet.org
Looking for keys for: HTTP/[email protected]
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/[email protected]
Found unsupported keytype (1) for HTTP/[email protected]
>>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType
>>> KrbAsRep cons in KrbAsReq.getReply HTTP/hostname.localnet.org
New ticket is stored in cache file /tmp/krb5cc_723

PS:您可能要从Windows JDK中提取Kerberos 5 Tools，因为Oracle已从JDK 1.6起将其删除。这将为您提供带有参数(-Dsun.security.krb5.debug = true)的Linux平台上的其他调试输出。
mkdir sun.security.krb5
cd sun.security.krb5
"C:\Oracle\Java\jdk1.8.0_112\bin\jar.exe" -xf C:\Oracle\Java\jre1.8.0_112\lib\rt.jar sun\security\krb5
"C:\Oracle\Java\jdk1.8.0_112\bin\jar.exe" -cf krb5.jar sun\security\krb5
dir

这适用于JDK-6910497:缺少Kinit类
http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6910497

关于active-directory - KDC不支持加密类型(14)，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/23801169/

10-13 22:52
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