On Fri, 4 Mar 2022 16:26:52 GMT, Weijun Wang <wei...@openjdk.org> wrote:

>> Hi,
>> 
>> Could I get the following change reviewed please, which is to disable the 
>> MD5 message digest algorithm by default in the HTTP Digest authentication 
>> mechanism? The algorithm can be opted into by setting a new system property 
>> "http.auth.digest.reEnabledAlgs" to include the value MD5. The change also 
>> updates the Digest authentication implementation to use some of the more 
>> secure features defined in RFC7616, such as username hashing and additional 
>> digest algorithms like SHA256 and SHA512-256.
>> 
>> - Michael
>
> src/java.base/share/classes/sun/net/www/protocol/http/DigestAuthentication.java
>  line 658:
> 
>> 656:     // truncate256 means only use the last 256 bits of the digest (32 
>> bytes)
>> 657:     private String encode(String src, char[] passwd, MessageDigest md, 
>> boolean truncate256) {
>> 658:         md.update(src.getBytes(ISO_8859_1.INSTANCE));
> 
> Maybe we can support the "charset" parameter as well. The only allowed value 
> is "UTF-8".

I'll look into supporting that.

-------------

PR: https://git.openjdk.java.net/jdk/pull/7688

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