SecureRandom.getInstance("SHA1PRNG") is slow on IBM JDK 1.4.2 (And perhaps
others)
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Key: WSS-88
URL: https://issues.apache.org/jira/browse/WSS-88
Project: WSS4J
Issue Type: Improvement
Environment: Windows/ Solaris IBM JDK 1.4.2
Reporter: Rasmus Rhein Helwigh
Assignee: Davanum Srinivas
The methods
org.apache.ws.security.message.WSSecEncryptedKey.generateEphemeralKey
org.apache.ws.security.message.token ( static )
org.apache.ws.security.util.generateNonce
all use the method
java.security.SecureRandom.getInstance("SHA1PRNG")
generating random numbers with this instance is very slow on the IBM JDK (
Generating 32 random bytes takes about 2 seconds, where it it takes less that
1ms on SUN's jdk ).
Would it be possible to use another random algorithm that performs better?
The IBM JDK method SecureRandom.getInstance("IBMSecureRandom"); performs as
good as the one in the sun API.
----- Notes ----
The reason I'm filing this improvement is because I'm using rampart to request
a Secure Token from a Tokenservice. Because of the above mentioned problem,
issuing a token takes 7.4 secons on a 2.4 ghz windows machine using IBM jdk
1.4.2. On Suns JDK it takes 200ms.
As a result, I'm forced to use a custom build version of the WSS4J, but I'd
really prefer to use the std API.
I know this could be seen as an error in the IBM jdk, but I'd prefer if I could
get the improvement done in the WSS4J API.
Regards Rasmus Helwigh, Safewhere
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