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| -rw-r--r-- | content/register_docs.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/content/register_docs.md b/content/register_docs.md index 45938e3..9f5596e 100644 --- a/content/register_docs.md +++ b/content/register_docs.md | |||
| @@ -25,7 +25,7 @@ This is enforced with your Student ID (e123456) and a one time password you rece | |||
| 25 | > Since we are working with AES-128, both key and IV should be 128 bits (or 32 hexadecimal characters) | 25 | > Since we are working with AES-128, both key and IV should be 128 bits (or 32 hexadecimal characters) |
| 26 | 26 | ||
| 27 | - Pick a short temporary key (`k_temp`) | 27 | - Pick a short temporary key (`k_temp`) |
| 28 | - Pick a random IV ([1](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Initialization_vector_(IV))) ([2](https://en.wikipedia.org/wiki/Initialization_vector) (`iv`)). | 28 | - Pick a random IV `iv` ([1](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Initialization_vector_(IV))) ([2](https://en.wikipedia.org/wiki/Initialization_vector)). |
| 29 | 29 | ||
| 30 | ## Encryption | 30 | ## Encryption |
| 31 | - Encrypt the serialized string of `P_AR` with 128 bit block [AES](https://en.wikipedia.org/wiki/Initialization_vector) in [CBC](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#CBC) mode with [Pkcs7 padding](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Padding) using the temporary key (`k_temp`), the result is `C_AR`. Encode this with base64. | 31 | - Encrypt the serialized string of `P_AR` with 128 bit block [AES](https://en.wikipedia.org/wiki/Initialization_vector) in [CBC](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#CBC) mode with [Pkcs7 padding](https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Padding) using the temporary key (`k_temp`), the result is `C_AR`. Encode this with base64. |