On Tue, 20 Nov 2018 09:09:00 -0500, John Eells wrote:
>There is a Java class you can use (if you have Java) and an ICSF service
>you can use (requires ICSF setup).
>
o SAMPLIB has Rexx samples that may be useful
o SMP/E uses a Java interface. Turning on tracing (in the CLIENT data set,
IIRC)
may show how it does it.
o MD5 is deprecated as too weak for security. It's probably adequate for
finding
accidental transmission errors, as is good old /bin/cksum.
o Linux has sha1sum, sha224sum(1), sha256sum(1), sha384sum(1), and
sha512sum(1).
o You can extract a (weak) checksum in place with z/OS:
cp -B "//'data.set.name'" /dev/fd/2 | cksum
>Sankaranarayanan, Vignesh wrote:
>>
>> Is there any utility for z/OS that lets us create SHA1 or MD5 or some such
>> hash/fingerprint of a dataset or USS file.
>> The use case is to compare these hashes at source (z/OS) and destination
>> (linux) after transferring some sizable datasets.
-- gil
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