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# frozen_string_literal: true
module Gitlab
module CryptoHelper
extend self
AES256_GCM_OPTIONS = {
algorithm: 'aes-256-gcm',
key: Settings.attr_encrypted_db_key_base_32,
iv: Settings.attr_encrypted_db_key_base_12
}.freeze
def sha256(value)
salt = Settings.attr_encrypted_db_key_base_truncated
::Digest::SHA256.base64digest("#{value}#{salt}")
end
def aes256_gcm_encrypt(value)
encrypted_token = Encryptor.encrypt(AES256_GCM_OPTIONS.merge(value: value))
Base64.strict_encode64(encrypted_token)
end
def aes256_gcm_decrypt(value)
return unless value
encrypted_token = Base64.decode64(value)
Encryptor.decrypt(AES256_GCM_OPTIONS.merge(value: encrypted_token))
end
end
end
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