Process of poc version 3

• 1. Create keys (can skip)

  # Data owner
  **> node 01_data_owner.js**
  
  1. Generate worker key
  2. Encrypt a file
  3. Generate re-encryption key
  >>1
  Input the key file name: test.json
  Complete to generate key
  The data owner pk is 7864ce41c8102ba08fd6b88e93dfcf988791d128e8d6237361231ee2fea848c219979324a2fa74f2fac399d074af348b
  
  # Worker selector
  > **node 02_worker_selector.js**
  
  1. Generate worker selector key
  2. Select worker of a encrypted file
  **>>1**
  Input the key file name: **worker_selector_2**
  Complete to generate key
  The worker selector pk is 044f143340ec39c7378cfa7e4be61688bb63a63142ae394a14b5b55a52eac9fceb8b51588967e535fa0f1deddc11375e0cf6eb6ef4b0302abd2bca6b242d354435
  
  # Worker (Repeat 3 ~ 5 times)
  **> node 03_worker.js**
  
  1. Generate worker key
  2. Decrypt a file
  >>**1**
  Input the key file name: **worker4**
  Complete to generate key
  The worker pk is c9c97b9ddb895e286e30b23532d66a86733e1c044407007bd2990cd371ad9c19b14685ec978db7dbe3869911fbd4bc0417b7549498a66d90654d38fb0544b2284808fa79660b69e6258379ed22a38ac9ee4edee5158a0c1fda43764543398803

• 2. Encrypt a file

  # Data owner
  **> node 01_data_owner.js**
  
  1. Generate worker key
  2. Encrypt a file
  3. Generate re-encryption key
  >>**2**
  1: c42d54f9414db5dcbece12b3c555fc37a5b779c9c2d94908d12d6ef84af8aa7adb0317caef3874db6f2ca8024c65a509
  Please select data owner [1 ~ 1]: **1**
  Input a file name for encryption: **test.txt**
  Complete to encrypt the file

• 3. Generate re-encryption keys (generate all worker re-encryption keys about worker selector)

  # Data owner
  **> node 01_data_owner.js**
  
  1. Generate worker key
  2. Encrypt a file
  3. Generate re-encryption key
  **>>3**
  1: c42d54f9414db5dcbece12b3c555fc37a5b779c9c2d94908d12d6ef84af8aa7adb0317caef3874db6f2ca8024c65a509
  Please select data owner [1 ~ 1]: **1**
  1: 049f7fc6f43fd3ce1121057e3a9ac3dc2c56043332f1ce66a6b0bfa48741cc8e459df52281a08be932394a771b162b4127a3e381b6f7d9efbbe8fdbc43674b24b3
  Please select a worker selector [1 ~ 1]: **1**
  Complete to generate reencryption key

• 4. Select worker

  # Worker selector
  > **node 02_worker_selector.js**
  
  1. Generate worker selector key
  2. Select worker of a encrypted file
  **>>2**
  1: 049f7fc6f43fd3ce1121057e3a9ac3dc2c56043332f1ce66a6b0bfa48741cc8e459df52281a08be932394a771b162b4127a3e381b6f7d9efbbe8fdbc43674b24b3
  Please select worker selector [1 ~ 1]: **1**
  Input the encrypted file name: **test.txt**
  1: e8a9c41b711b9c9a14520a934e38b7986cc96fb652126deebd756d493750340de6c1cbb2effd3fb451cb71cfcbb83913e999facf647f134b03bab5896ff45a915f6769b49e36f1d7a8272c2c99f0cd5038388dc5ec239a485fa9fb63732e5189
  Do you want to select the worker? (y/n): **y**
  2: ebb988ce04daf9056c8ff95975b142daa41aa00d28173b1ae9cf482329b667a60d16f9739a640f13b5eb2548bb4e8115a9f0fc7fb5b8c0d63d1010ddf49dc3396a23bae58f6882c672d3bda4b84cbc81b9b38de7cf4af55d939eb5a471e3c38e
  Do you want to select the worker? (y/n): **y**
  3: 7a754afb6f203bc574bed4e4479a1c0d7bd55947727c241e1205bcde8d801cf1e96461a5ee68d28121217eed07e4ff070a8ee7e7fbd64d9dc9227a8ea5310ebc8afd987e9381d1363a83d9d5081ca1754f277621148f0c6bfd2d29ec5c28a888
  Do you want to select the worker? (y/n): **n**
  Complete to select workers

• 5. Decrypt the encrypted-file

  # Worker
  **> node 03_worker.js**
  
  1. Generate worker key
  2. Decrypt a file
  **>>2**
  1: e8a9c41b711b9c9a14520a934e38b7986cc96fb652126deebd756d493750340de6c1cbb2effd3fb451cb71cfcbb83913e999facf647f134b03bab5896ff45a915f6769b49e36f1d7a8272c2c99f0cd5038388dc5ec239a485fa9fb63732e5189
  2: ebb988ce04daf9056c8ff95975b142daa41aa00d28173b1ae9cf482329b667a60d16f9739a640f13b5eb2548bb4e8115a9f0fc7fb5b8c0d63d1010ddf49dc3396a23bae58f6882c672d3bda4b84cbc81b9b38de7cf4af55d939eb5a471e3c38e
  3: 7a754afb6f203bc574bed4e4479a1c0d7bd55947727c241e1205bcde8d801cf1e96461a5ee68d28121217eed07e4ff070a8ee7e7fbd64d9dc9227a8ea5310ebc8afd987e9381d1363a83d9d5081ca1754f277621148f0c6bfd2d29ec5c28a888
  Please select a worker [1 ~ 3]: **1**
  Input a file name for decryption: **test.txt**
  Complete to decrypt the file