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June 21, 2016 16:24
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This script converts an AWS secret access key into an SMTP password for SES.
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| #!/usr/bin/env ruby | |
| require 'openssl' | |
| require 'base64' | |
| require 'io/console' | |
| VERSION = "\x02".force_encoding('BINARY').freeze | |
| MESSAGE = 'SendRawEmail'.freeze | |
| digest = OpenSSL::Digest.new('sha256') | |
| print 'Please enter your secret access key: ' | |
| key = nil | |
| STDIN.noecho do | |
| key = gets.chomp | |
| end | |
| puts | |
| signature = OpenSSL::HMAC.digest(digest, key, MESSAGE) | |
| signature_with_version = VERSION + signature | |
| smtp_password = Base64.encode64(signature_with_version).chomp | |
| puts smtp_password |
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This is based on the algorithm documented here.