Groups > comp.lang.java.programmer > #38259

Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function?

From	"Karl.Frank" <Karl.Frank@Freecx.co.uk>
Newsgroups	sci.crypt, comp.lang.java.programmer
Subject	Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function?
Date	2018-05-15 23:37 +0200
Organization	albasani.net
Message-ID	<pdfjv8$e8s$1@news.albasani.net> (permalink)
References	<pdf0kv$uom$1@news.albasani.net>

Cross-posted to 2 groups.

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Holy moley! It's a buggy Java Library I'm currently using!!

###

echo $LANG
en_US.UTF-8

echo -n '¥' | xxd -g1
0000000: c2 a5

###

java version "1.6.0_17"
Java(TM) SE Runtime Environment (build 1.6.0_17-b04-248-9M3125)
Java HotSpot(TM) 64-Bit Server VM (build 14.3-b01-101, mixed mode)

echo -n "Lsda[¥~§#€]" | java -jar pbkdf2_stdin.jar "Salt" 4096 16 sha-1
Password   : Lsda[¥~§#€]
Password   : 4c7364615bc2a57ec2a723e282ac5d
Salt       : 53616c74
PBKDF2     : aba223d6679ad1e8101c01bf860f788b
PBKDF2_java: 461f05924a7945a652bcabb30d87fad3

###

java -version
openjdk version "1.7.0-u80-unofficial"
OpenJDK Runtime Environment (build 1.7.0-u80-unofficial-b32)
OpenJDK 64-Bit Server VM (build 24.80-b11, mixed mode)

echo -n "Lsda[¥~§#€]" | java -jar pbkdf2_stdin.jar "Salt" 4096 16 sha-1
Password   : Lsda[¥~§#€]
Password   : 4c7364615bc2a57ec2a723e282ac5d
Salt       : 53616c74
PBKDF2     : aba223d6679ad1e8101c01bf860f788b
PBKDF2_java: aba223d6679ad1e8101c01bf860f788b

###

java -version
java version "1.6.0_41"
OpenJDK Runtime Environment (IcedTea6 1.13.13) (rhel-1.13.13.1.el6_8-x86_64)
OpenJDK 64-Bit Server VM (build 23.41-b41, mixed mode)

echo -n "Lsda[¥~§#€]" | java -jar pbkdf2_stdin.jar "Salt" 4096 16 sha-1
Password   : Lsda[¥~§#€]
Password   : 4c7364615bc2a57ec2a723e282ac5d
Salt       : 53616c74
PBKDF2     : aba223d6679ad1e8101c01bf860f788b
PBKDF2_java: aba223d6679ad1e8101c01bf860f788b

###

openjdk version "1.8.0_171"
OpenJDK Runtime Environment (build 1.8.0_171-b10)
OpenJDK 64-Bit Server VM (build 25.171-b10, mixed mode)

echo -n "Lsda[¥~§#€]" | java -jar pbkdf2_stdin.jar "Salt" 4096 16 sha-1
Password   : Lsda[¥~§#€]
Password   : 4c7364615bc2a57ec2a723e282ac5d
Salt       : 53616c74
PBKDF2     : aba223d6679ad1e8101c01bf860f788b
PBKDF2_java: aba223d6679ad1e8101c01bf860f788b


So my own implementation works correctly - what a relieve!


-- 
cHNiMUBACG0HAAAAAAAAAAAAAABIZVbDdKVM0w1kM9vxQHw+bkLxsY/Z0czY0uv8/Ks6WULxJVua
zjvpoYvtEwDVhP7RGTCBVlzZ+VBWPHg5rqmKWvtzsuVmMSDxAIS6Db6YhtzT+RStzoG9ForBcG8k
G97Q3Jml/aBun8Kyf+XOBHpl5gNW4YqhiM0=

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Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? "Karl.Frank" <Karl.Frank@Freecx.co.uk> - 2018-05-15 23:37 +0200
  Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? "Karl.Frank" <Karl.Frank@Freecx.co.uk> - 2018-05-16 15:58 +0200
  Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? Robert Klemme <shortcutter@googlemail.com> - 2018-06-18 18:41 +0200
    Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-06-18 13:33 -0700
    Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? "Karl.Frank" <Karl.Frank@Freecx.co.uk> - 2018-06-19 12:54 +0200
      Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? Lothar Kimmeringer <news201705@kimmeringer.de> - 2018-06-19 22:18 +0200
        Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? Robert Klemme <shortcutter@googlemail.com> - 2018-06-19 23:20 +0200
        Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? "Karl.Frank" <Karl.Frank@Freecx.co.uk> - 2018-06-19 23:23 +0200
      Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? Robert Klemme <shortcutter@googlemail.com> - 2018-06-19 23:15 +0200
        Re: Why is Java 7 converting the Password toCharArray instead of Byte in it's PBKDF2 function? "Karl.Frank" <Karl.Frank@Freecx.co.uk> - 2018-06-20 00:03 +0200

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