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XML Decryption with DES/CBC Secret Key and Intial Value

SAP 5.0

WAS 6.40

SAP Cryptolib installed

JAVA and ABAP stacks installed

SAP Dispatcher installed

I am having a problem identifying the correct processes needed to decrypt an encrypted xml document/message. The encryption technique seems very primitive; DES/CBC with a secret key and initial value or initialization vector (iv).

I have researched SAP’s cryptography solutions. It seems my decryption requirements do not require PKCS#7public/private keys, certificates, fingerprints, signatures, and envelopes. At SAPTeched2007 it was suggested I use SSF with API processes. I don’t see how the secret key and initial value will work with SSF with API either.

Because I have very basic decryption requirements I am looking at a very basic solution. SAP’s CL_JAVA_SCRIPT class allows me to execute JAVA script to perform the decryption within an ABAP program.

Have I overlooked an existing SAP security solution? Are there problems using the CL_JAVA_SCRIPT class? Am I headed in the right direction?

Thank You for your time,

Jack

Former Member
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