Q: The Portuguese government requires us to generate a digitally signed SHA-1 hash for out invoices. They provide examples using OpenSSL software. How can I produce these signed hashes on IBM i? A: Within the past two weeks, four different readers have asked me about this! It must be a common requirement. The easiest way is to use OpenSSL, just like their examples. IBM provides a licensed program 5733-SC1 that includes the OpenSSH toolkit, built for PASE. In this article, I ...

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