Sha256: 114620b4f63ec78eadc68261abe49896a9e7e9ad1aacc19060ae890bdfdc8256
Contents?: true
Size: 1.34 KB
Versions: 11
Compression:
Stored size: 1.34 KB
Contents
# frozen_string_literal: true
module SecureNative
module Utils
class EncryptionUtils
def self.padding_key(key, length)
if key.length == length
key
else
if key.length > length
key.slice(0, length)
else
(length - key.length).times { key << '0' }
key
end
end
end
def self.encrypt(plain_text, secret_key)
begin
cipher = OpenSSL::Cipher.new('aes-256-cbc')
cipher.encrypt
iv = cipher.random_iv
cipher.key = padding_key(secret_key, 32)
encrypted = cipher.update(plain_text) + cipher.final
(iv + encrypted).unpack1('H*')
rescue StandardError
''
end
end
def self.decrypt(cipher_text, secret_key)
begin
cipher = OpenSSL::Cipher.new('aes-256-cbc')
cipher.decrypt
raw_data = [cipher_text].pack('H*')
cipher.iv = raw_data.slice(0, 16)
cipher.key = padding_key(secret_key, 32)
decrypted = JSON.parse(cipher.update(raw_data.slice(16, raw_data.length)) + cipher.final)
SecureNative::ClientToken.new(decrypted['cid'], decrypted['vid'], decrypted['fp'])
rescue StandardError
SecureNative::ClientToken.new('', '', '')
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems