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Bug
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Resolution: Duplicate
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P2
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None
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5.0u11
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x86
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linux
FULL PRODUCT VERSION :
1.5.0_11-b03
ADDITIONAL OS VERSION INFORMATION :
Red Hat Linux version 5(RHEL5)
A DESCRIPTION OF THE PROBLEM :
When we run our java based tool on RHEL5 is taking a long time to complete. After doing some investigation and debugging, found out that the SecureRandom methods (especially SecureRandom.nextBytes) were taking a long time(in the matter of seconds and even a minute at times) to complete.
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
A stand-alone program which uses SecureRandom.nextBytes should be able to reproduce the problem onm RHEL5.
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The intended operation will take a while to complete. This performance is not acceptable. The performance should match with what we see on RHEL5.
ACTUAL -
The intended operation will take a while to complete.
REPRODUCIBILITY :
This bug can be reproduced often.
1.5.0_11-b03
ADDITIONAL OS VERSION INFORMATION :
Red Hat Linux version 5(RHEL5)
A DESCRIPTION OF THE PROBLEM :
When we run our java based tool on RHEL5 is taking a long time to complete. After doing some investigation and debugging, found out that the SecureRandom methods (especially SecureRandom.nextBytes) were taking a long time(in the matter of seconds and even a minute at times) to complete.
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
A stand-alone program which uses SecureRandom.nextBytes should be able to reproduce the problem onm RHEL5.
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The intended operation will take a while to complete. This performance is not acceptable. The performance should match with what we see on RHEL5.
ACTUAL -
The intended operation will take a while to complete.
REPRODUCIBILITY :
This bug can be reproduced often.
- duplicates
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JDK-6202721 SHA1PRNG reads from /dev/random even if /dev/urandom selected
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- Closed
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- relates to
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JDK-4705093 Use /dev/urandom rather than /dev/random if it exists.
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- Resolved
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JDK-6521844 SecureRandom hangs on Linux Systems
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- Closed
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JDK-5108581 SecureRandom class unable to generate faster random nos on faster machines
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- Closed
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