On 2014-08-11, at 08:00, Ward, Mike S wrote:

> We are writing a requestor client in CICS, and are communicating with a web 
> service on a distributed box. They require us to digitally sign the request 
> message. The little box does not understand EBCDIC, so I have to convert the 
> signature to ascii.
>  
Good explanation.  Yet I am left wondering:

o If the signature is intrinsically, at the lowest level, a
  binary datum which must be expressed as text, why it is
  first converted to (useless) EBCDIC, requiring a further
  conversion to ASCII.

o Once the signature is expressed as ASCII text, why it must
  be further encoded as base64?

-- gil

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