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Created June 7, 2012 20:51
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Ruby - HMAC-SHA256 example
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gistfile1.rb
require 'openssl'
require 'Base64'
key = "secret-key"
data = "some data to be signed"
Base64.encode64(OpenSSL::HMAC.digest(OpenSSL::Digest::Digest.new('sha256'), key, data)).strip()
@Erickw
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Erickw commented Nov 26, 2020

OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), <app_secret>, <user_access_token>)

Thanks, it worked well here too!

@activeliang
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secure_hash = OpenSSL::HMAC.hexdigest('SHA256', <key>, <data>)

thx~

@Mth0158
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Mth0158 commented Feb 1, 2022

OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), <app_secret>, <user_access_token>)

Worked perfectly for Facebook API, thank you @gr8bit

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