那些遇到过的问题

KDC不支持加密类型(14)

Lio*_*aga 3 kerberos active-directory kdc

我正在尝试使用spring-security-kerberos扩展来实现与kerberos的SSO.

我创建了一个keytab文件,在尝试访问我的webapp时出现以下错误:

GSSException: Failure unspecified at GSS-API level (Mechanism level: Checksum failed)
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我试着根据这篇文章测试我的keytab .

keytab是使用以下命令创建的:

ktpass /out http-web.keytab /mapuser testing@MYDOMAIN.COM /princ HTTP/testing@MYDOMAIN.COM /pass myPass /ptype KRB5_NT_PRINCIPAL -crypto RC4-HMAC-NT /kvno 0
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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
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我收到以下错误:

 KDC has no support for encryption type (14)
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我已经尝试为SPN帐户启用DES,AES-128和AES-256,但它没有解决问题.

我在这里错过了什么？

谢谢,Lior

ste*_*23t 5

只是依次对KrbException"KDC不支持enryption type(14)"持续了好几天.我访问了很多地方,包括一些深入的MSDN博客帖子(来自Hongwei Sun,Sebastian Canevari)我无法提及缺乏声誉.

谢谢,因为你提到了kvno 0和dsiabling DES,它现在也适用于我.

最后它归结为我已经设置了用户帐户

userAccountControl:0d66048或0x10200,匹配0b10000001000000000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:0d16或0x10,匹配0b10000或AES256-CTS-HMAC-SHA1-96(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/hostname.localnet.org@LOCALNET.ORG' distinguishedName servicePrincipalName userPrincipalName msDS-SupportedEncryptionTypes userAccountControl
# extended LDIF
#
# LDAPv3
# base <ou=Accounts,dc=localnet,dc=org> with scope subtree
# filter: userPrincipalName=HTTP/hostname.localnet.org@LOCALNET.ORG
# 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/hostname.localnet.org@LOCALNET.ORG
servicePrincipalName: HTTP/hostname.localnet.org
servicePrincipalName: HTTP/hostname.localnet.org@LOCALNET.ORG
msDS-SupportedEncryptionTypes: 16

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1
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有了这个和我的/etc/krb5.conf中的以下内容,当从default_tkt_enctypes中删除rc4-hmac时,我可以重复地引发"KrbException KDC不支持enryption类型(14)".

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

请注意,您也可以省略在/etc/krb5.conf中指定default_tkt_enctypes指令,以使其工作. 

Using builtin default etypes for default_tkt_enctypes
default etypes for default_tkt_enctypes: 18 17 16 23.
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因此,Windows Server 2008 SP2 Active Directory在预身份验证阶段明确要求RC4-HMAC:

         PA-ETYPE-INFO2 etype = 23, salt = null, s2kparams = null
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我已在JDK的jre/lib/security文件夹中更新了JCE 1.8.0策略文件,以便支持AES256.

亲切的问候,斯特凡

enctypes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]
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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/hostname.localnet.org@LOCALNET.ORG
>>>KinitOptions cache name is /tmp/krb5cc_723
Principal is HTTP/hostname.localnet.org@LOCALNET.ORG
>>> 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/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
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/LOCALNET.ORG@LOCALNET.ORG
         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/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
Looking for keys for: HTTP/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
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/LOCALNET.ORG@LOCALNET.ORG
         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
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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/hostname.localnet.org@LOCALNET.ORG
>>>KinitOptions cache name is /tmp/krb5cc_723
Principal is HTTP/hostname.localnet.org@LOCALNET.ORG
>>> 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/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
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/LOCALNET.ORG@LOCALNET.ORG
         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/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
Looking for keys for: HTTP/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
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/hostname.localnet.org@LOCALNET.ORG
Added key: 17version: 0
Added key: 18version: 0
Added key: 23version: 0
Found unsupported keytype (3) for HTTP/hostname.localnet.org@LOCALNET.ORG
Found unsupported keytype (1) for HTTP/hostname.localnet.org@LOCALNET.ORG
>>> 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
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PS:您可能希望从Windows JDK中提取Kerberos 5工具,因为Oracle已从JDK 1.6开始删除它.这使用参数(-Dsun.security.krb5.debug = true)在Linux平台上为您提供额外的调试输出.

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

Lio*_*aga 4

终于开始工作了：在为 Oracle JDK 6 实现 kerberos 身份验证时，应该使用 RC4-HMAC 加密，因此应该为用户帐户禁用 DES 和 AES 支持。

我为什么首先检查它们是另一个故事......

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校验和失败:Kerberos/Spring/Active Directory(2008) 9
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