Why encryption to Base64 for generating signature is not working in Ruby?

Hi! In Thomson-Reuters-World-Check-One-API-documentation.v1.5 we can see request example and description for it

"Given the above signing text, if a secret key of “1234” is used, the computed HMAC-SHA256 value would be
224B73FC07571E60E8B8D9BAB8107C656D3171F346B96183C665FD4C5330B85D when printed using hex encoding, or
Iktz/AdXHmDouNm6uBB8ZW0xcfNGuWGDxmX9TFMwuF0= when printed using base64 encoding."

And I can get first value (224B73FC07571E60E8B8D9BAB8107C656D3171F346B96183C665FD4C5330B85D) but when I trying to encode it in base64, (I'm using Ruby)

Base64.encode64('224B73FC07571E60E8B8D9BAB8107C656D3171F346B96183C665FD4C5330B85D')

I cannot get (Iktz/AdXHmDouNm6uBB8ZW0xcfNGuWGDxmX9TFMwuF0=).

What am I doing wrong?

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Accepted answers

Irfan.Khan

@ruslan.valeev

What is the base64 value that you are getting?

Kindly let me know if the below link helps:

https://stackoverflow.com/questions/4084979/ruby-way-to-generate-a-hmac-sha1-signature-for-oauth

https://gist.github.com/virtualstyle/fa67089188e89812041bb53e7974cbfa

Also, have a look at this question on developer community

https://community.developers.refinitiv.com/questions/22539/401-unauthorized-when-calling-groups-with-get-ruby.html

All comments

Irfan.Khan

@ruslan.valeev

What is the base64 value that you are getting?

Kindly let me know if the below link helps:

https://stackoverflow.com/questions/4084979/ruby-way-to-generate-a-hmac-sha1-signature-for-oauth

https://gist.github.com/virtualstyle/fa67089188e89812041bb53e7974cbfa

Also, have a look at this question on developer community

https://community.developers.refinitiv.com/questions/22539/401-unauthorized-when-calling-groups-with-get-ruby.html

ruslan.valeev

I'm getting this

Base64.encode64('224B73FC07571E60E8B8D9BAB8107C656D3171F346B96183C665FD4C5330B85D')
=> "MjI0QjczRkMwNzU3MUU2MEU4QjhEOUJBQjgxMDdDNjU2RDMxNzFGMzQ2Qjk2\nMTgzQzY2NUZENEM1MzMwQjg1RA==\n"

Irfan.Khan

@ruslan.valeev

Thank you for your response!

Let me know if the links I posted helped you to understand how can correct Base64 be calculated using Ruby.

ruslan.valeev

Thank you a lot! First link contain decision of my question!

ruslan.valeev

I'v got it right here

Base64.encode64("#{OpenSSL::HMAC.digest('sha256', '1234', data_to_sign)}").chomp
=> "Iktz/AdXHmDouNm6uBB8ZW0xcfNGuWGDxmX9TFMwuF0="

Irfan.Khan

@ruslan.valeev

Thank you for the confirmation.

As you are able to generate the Base64 signature correctly, I am accepting the answer on your behalf.

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