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Re^3: Signed Long Hash

by hippo (Bishop)
on Jun 15, 2017 at 17:45 UTC ( [id://1192883]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Signed Long Hash
in thread Signed Long Hash

See MIME::Base64 and perhaps pack.

Update: Although I do not receive the same result - are you sure about the input and output?

use strict; use warnings; use MIME::Base64 'encode_base64'; use Test::More tests => 1; is (encode_base64((pack 'q', -281581062704388899), ''), '/Befg+4HJN0') +;

gives '3SQH7oOfF/w=' instead.

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Re^4: Signed Long Hash
by breezykatt (Acolyte) on Jun 15, 2017 at 18:14 UTC
    Thanks. What I was trying to do was something similar, but this might not yield the same results to what i'm trying to achieve? I thought I had to convert the value to an array of bytes first and then convert that to base64. Something like:

    $signed="-281581062704388899"; $bits = unpack("B*", pack("N", $signed)); $base64 = encode_base64(pack("B*", $bits), ""); #or $base64 = encode_base64($bits);

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