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  Perl exercises         


Author: Arun Anirudhan
Date: Aug 16, 2008 11:03

Where can I get perl cryptographic problems starting from simple programs?

--
With regards
Arun Anirudhan
MTech Student, NIT Calicut
9495983679
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  sign string with certificate         


Author: Reif Peter
Date: Jun 30, 2008 07:33

How do I write a script in perl that signs a string with a certificate
(e.g. a SSL server certificate) to get a pkcs7 signature. I want a pkcs7
signature, because it contains the signing certificate and the ca.

Thanks
Peter
1 Comment
  Error while installing CRYPT::DES module at Windows XP         


Author: Mohammed Mustafa
Date: Jun 3, 2008 04:02

Dear Friends,

While trying to install Crypt::DES module on windows, I am
getting the following problem, so please help me to overcome this.

C:\Documents and Settings\mukaa\Mustafa\ssh_files\Crypt-DES-2.05>nmake

Microsoft (R) Program Maintenance Utility Version 1.50

Copyright (c) Microsoft Corp 1988-94. All rights reserved.

cl -c -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE
-DNO_ST

RICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC
-DPERL_IMPLICIT

_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi
-DNDEBUG

-O1 -DVERSION=\"2.05\" -DXS_VERSION=\"2.05\" "-IC:\Perl\lib\CORE"
DES.c

'cl' is not recognized as an internal or external command,

operable program or batch file.

NMAKE : fatal error U1077: 'C:\WINNT\system32\cmd.exe' : return code
'0x1' Stop.

Waiting for your reply.
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5 Comments
  Perl keystore         


Author: Patrick Donelan
Date: Mar 29, 2008 18:30

Hi,

Having just finished reading "Cryptography in the Database" by Kevin Kenan
of Symantic, I'm wondering if anyone has tackled the problem of writing a
local keystore in Perl, eg. the software equivalent of an HSM where
encryption keys can be semi-securely stored? The module I could find on the
CPAN that was remotely similar was Data::Encrypted. Alternatively, a program
written in another language that can be easily interfaced from Perl would
suffice..

Regards,

Patrick Donelan
no comments
  CRL Verification         


Author: Ward P Fontenot
Date: Jan 4, 2008 12:39

Hi,

I am trying to get a Perl script together to parse my CRL's and am
getting the following error:

$VAR1 = bless( {'_error' => 'decode error at
/usr/local/share/perl/5.8.8/Convert/ASN1/_decode.pm line 57.' },
'Crypt::X509::CRL' );

Here is the script:

#!/usr/bin/perl -w
use Convert::ASN1;
use Crypt::X509::CRL;
use Data::Dumper;

$crl = "/home/fontenwp/workspace/crl_validation/ent.crl";

$decoded = Crypt::X509::CRL->new(crl => $crl);

print Dumper $decoded

Paul Fontenot
Cryptography Services - PKI
CAST|IST|EIM|TES|TIG|Wells Fargo
Email: [email protected]wellsfargo.com
Phone: (480) 437-7795
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