It turns out that check_key is only valid to call on public keys; the
next release of Crypt::OpenSSL::RSA will document this. At the same
time, this method (along with a few others) will now only croak instead
of segfaulting when called on a public key. Jason, you should feel
free to remove the (commented) check_key code entirely from PublicKey.
Mark, thanks again for the useful bug reports; I'll let you know as soon
as I roll a new release for the RSA module.
- Ian
On Fri, 2006-11-10 at 17:01 +0100, Mark Martinec wrote:
> While at it, I noticed the following in Mail::DKIM::PublicKey :
>
> # segfaults on my machine
> # $cork->check_key or
> # return;
>
> Uncommenting a call to check_key() in PublicKey.pm and running
> installation test (actually t/verifier.t suffices), it casues
> libcrypto to crash on my FreeBSD 6.1 too, so it seems to be a
> cross-platform problem, being present for several version.
>
> Here is a backtrace:
>
> Program received signal SIGSEGV, Segmentation fault.
>
> (gdb) bt
> #0 0x2836148c in BN_num_bits () from /lib/libcrypto.so.4
> #1 0x282e31c9 in BN_is_prime_fasttest () from /lib/libcrypto.so.4
> #2 0x282e3429 in BN_is_prime () from /lib/libcrypto.so.4
> #3 0x282d5ef9 in RSA_check_key () from /lib/libcrypto.so.4
> #4 0x28398789 in XS_Crypt__OpenSSL__RSA_check_key (cv=0x8491a20)
> at RSA.xs:447
> #5 0x280f01c0 in Perl_pp_entersub ()
> from /usr/local/lib/perl5/5.8.8/mach/CORE/libperl.so
> #6 0x280e91a5 in Perl_runops_standard ()
> from /usr/local/lib/perl5/5.8.8/mach/CORE/libperl.so
> #7 0x28098b8a in perl_run ()
> from /usr/local/lib/perl5/5.8.8/mach/CORE/libperl.so
> #8 0x08048fe2 in main ()
>
> Would someone be so kind and see what a problem is about,
> or remove check_key from Crypt::OpenSSL::RSA if it can't be
> repaired.
>
> Regards
> Mark
>
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