Package Details: jdk8 8u181-1

Git Clone URL: (read-only)
Package Base: jdk8
Description: Oracle Java 8 Development Kit
Upstream URL:
Keywords: java-environment-jdk java-openjfx java-runtime-headless-jre java-runtime-jre java-web-start-jre
Licenses: custom:Oracle
Provides: java-environment=8, java-environment-jdk=8, java-openjfx=8, java-runtime=8, java-runtime-headless=8, java-runtime-headless-jre=8, java-runtime-jre=8, java-web-start=8, java-web-start-jre=8
Submitter: Det
Maintainer: Det
Last Packager: Det
Votes: 57
Popularity: 3.242696
First Submitted: 2017-09-21 22:18
Last Updated: 2018-07-18 14:36

Dependencies (9)

Required by (1000)

Sources (6)

Latest Comments

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Det commented on 2018-07-21 16:37

AFAIK the best public MD5 preimage attack is at 2^123.4. Dividing it in half (50% chance of finding collision) gives 7.0×10^36. If you generated distinct hashes with multiple GPUs at speeds of 200 billion/sec, you would find a match with 50% chance in 1.1 billion billion years (2^123.4/(2×200×10^9×60×60×24×365) ≈ 1.1*10^18) (the universe is 14 billion years old).

I don't get the last part?

Musikolo commented on 2018-07-21 16:10

I agree it's probably very hard to achieve, but it's still possible.

Is this a reason to keeping using a very-hard-to-break but still vulnerable hashing algorithm?

If the discussion is about what color is best, you win...

Det commented on 2018-07-21 16:03

How hard can it be :(:

Musikolo commented on 2018-07-21 16:02

@Det: Some more detailed articles:

As a cryptography ignorant, I'm not gonna tell anybody what algorithms they should use. However, cryptography experts deprecated md5sum algorithm long time ago, and recommended using stronger ones such as sha256sum & sha512sum since. Beside this, even if md5sum was super-safe today, I think nobody can argue that sha256sum & sha512sum are safer. So, why using a weaker hashing algorithm?

Thank you!

Det commented on 2018-07-20 14:20

That's a really poor article. Have a look at the actual MD5 one, along with collision vs. preimage resistance.

Musikolo commented on 2018-07-20 03:37

"MD5 algorithm is no longer deemed secure. [...] the use of a newer hashing tool such as sha256sum is recommended."


Recommended algorithms (sha512sum is the strongest, and the preferred option for many people):

I hope it helps!

Det commented on 2018-07-19 14:59


MarcinWieczorek commented on 2018-07-19 14:05

Please stop using md5 for checksums. Thanks!

Det commented on 2018-07-18 14:36

Fixed again.

habernir commented on 2018-07-18 14:35

mv: cannot stat 'db/NOTICE': No such file or directory ==> ERROR: A failure occurred in package(). Aborting... ==> ERROR: Makepkg was unable to build jdk8.