[Opendnssec-user] PKCS11Exception: CKR_DATA_LEN_RANGE using softhsm2

Roland van Rijswijk - Deij Roland.vanRijswijk at surfnet.nl
Fri Dec 5 07:09:32 UTC 2014


Hi Roko,

roko wrote:
> I'm getting this error:
> Caused by: sun.security.pkcs11.wrapper.PKCS11Exception: CKR_DATA_LEN_RANGE
> 
> Is this maybe a known limitation for softhsm2 ? there is some workaround
> ? Thx for your help.

I've had a quick look at the code, and this seems to be a bug;
C_EncryptUpdate always checks if the input block adheres to the cipher's
required block size. It should only do this if the cipher is used in ECB
mode. I have created SOFTHSM-107
(https://issues.opendnssec.org/browse/SOFTHSM-107) in our issue tracking
system for this bug, it will be addressed in the next version of SoftHSM
v2.

Meanwhile you could help us by testing this by doing the following:

- Build SoftHSM v2 from source (instructions here:
https://github.com/opendnssec/SoftHSMv2/blob/develop/README.md)

- go to "src/lib" in the source tree

- edit "SoftHSM.cpp"

- go to line 2166 and comment it out (this is the check for block size
matching)

- re-run your test program and let us know the result

Thanks in advance for reporting this issue.

Best regards,

Roland

-- 
-- Roland M. van Rijswijk - Deij
-- SURFnet bv
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-- e: roland.vanrijswijk at surfnet.nl

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