Why does Go sha256 give different result than Ubuntu command sha256sum?

Question

Golang playground link given in a SO question uses the sha256 lib of Go gives a different result than running the following command in Ubuntu linux.

echo "sha1 this string" | sha256sum

Go's result: fceab3bb749b11a43b89f21ccd28e3f5d8b38d5b23eeea960fc169ab482ee2cd

Linux result: 62d44fd0392ed998179bfd4a162141d7000d1f9aa4fae26465e2e4f57d3a420e

Is this not the correct way to create a digest in Go? Can someone explain what is going on here?

Sorry to early viewers, forgot to change the playground link to use sha256 instead of sha1. It's fixed now. — RayfenWindspear, Aug 25 '16 at 17:47

score 13 · Accepted Answer · answered Aug 25 '16 at 17:48

13

Because echo appends a \n character. Try doing echo -n:

echo -n "sha1 this string" | gsha256sum
fceab3bb749b11a43b89f21ccd28e3f5d8b38d5b23eeea960fc169ab482ee2cd  -

answered Aug 25 '16 at 17:48

Christian Ternus

1

Aw crap, I specifically used echo because using stdin required a newline before I could hit ctrl+d. Thanks. – RayfenWindspear Aug 25 '16 at 17:50
1

You can hit Ctrl-D twice. – David Jones Nov 06 '19 at 08:49

1 Answers1