RFR: 3 security-libs release notes on keytool/krb5/etc

[Sean Mullan]

On 3/24/17 7:01 AM, Weijun Wang wrote:
> I'll use "short key".

I prefer the term "weak" which implies it is a risk. We already use that 
term in jarsigner so I think we should keep it consistent. You also 
print the size of the key so that describes what is wrong with it.

--Sean

>
> Thanks
> Max
>
> On 03/24/2017 06:26 PM, Bernd Eckenfels wrote:
>> I wonder if "weak key" should be replaced by "weak key length" or "short
>> key". It might otherwise imply key quality tests which are not carried
>> out.
>>
>> Gruss
>> Bernd
>> --
>> http://bernd.eckenfels.net
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__bernd.eckenfels.net&d=DwMFAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5YTpkKY057SbK10&r=L95YSg0eIcTu_shXWyN3XgC5kRlt5xJJuqogC6Ulqlk&m=nQPaZ9oNisvgXYmsVbzFkcB0qjPKYWTsWh0IIQtt1nw&s=yLFl1pk3TBMwqMqZMDE2e4d8rt9AVyNfUaC84QV3Lr0&e=>
>>
>>
>> ------------------------------------------------------------------------
>> *From:* security-dev <security-dev-bounces at openjdk.java.net> on behalf
>> of Weijun Wang <weijun.wang at oracle.com>
>> *Sent:* Friday, March 24, 2017 2:12:01 AM
>> *To:* Security Dev OpenJDK
>> *Subject:* RFR: 3 security-libs release notes on keytool/krb5/etc
>>
>> Hi All
>>
>> Please take a review on 3 release notes. The content itself is pasted as
>> quotation below.
>>
>> https://bugs.openjdk.java.net/browse/JDK-8176087
>> keytool now prints warnings when reading or generating cert/cert req
>> using weak algorithms
>>
>>> In all keytool functions, if the certificate/certificate request/CRL
>>> that is working on (whether it be the input, the output, or an
>>> existing object) is using a weak algorithm or key, a warning will be
>>> printed out.
>>>
>>> Precisely, an algorithm or a key is weak if it matches the value of
>>> the jdk.certpath.disabledAlgorithms security property defined in
>>> conf/security/java.security.
>>
>> https://bugs.openjdk.java.net/browse/JDK-8174143
>> Deprecate security APIs that have been superseded
>>
>>> The classes and interfaces in the `java.security.acl` and
>>> `javax.security.cert` packages have been superseded by replacements
>>> for a long time and are deprecated in JDK 9. Two methods
>>> `javax.net.ssl.HandshakeCompletedEvent.getPeerCertificateChain()` and
>>> `javax.net.ssl.SSLSession.getPeerCertificateChain()` are also
>>> deprecated since they return the
>>> `javax.security.cert.X509Certificate` type.
>>
>> https://bugs.openjdk.java.net/browse/JDK-8168635
>> rcache interop with krb5-1.15
>>
>>> The hash algorithm used in the Kerberos 5 replay cache file (rcache)
>>> is updated from MD5 to SHA256 with this change. This is also the
>>> algorithm used by MIT krb5-1.15. This change is interoperable with
>>> earlier releases of MIT krb5, which means Kerberos 5 acceptors from
>>> JDK 9 and MIT krb5-1.14 can share the same rcache file.
>>>
>>> A new system property named jdk.krb5.rcache.useMD5 is introduced. If
>>> the system property is set to "true", JDK 9 will still use the MD5
>>> hash algorithm in rcache. This is useful when both of the following
>>> conditions are true: 1) the system has a very coarse clock and has to
>>> depend on hash values in replay attack detection, and 2)
>>> interoperability with earlier versions of JDK or MIT krb5 for rcache
>>> files is required. The default value of this system property is
>>> "false".
>>
>> Thanks
>> Max
>>
>>
>>