Data Vault

Data Vault is a library for storing and retrieving Credit Card data via Tokens.

# Cargo.toml
[dependencies]
data_vault = "^0.3"

# Note: showing Redis and Postgres backend settings

# REDIS CONFIGURATION
REDIS_URL=redis://:foobared@127.0.0.1/
# REDIS_POOL_MAX_SIZE=16

# POSTGRES CONFIGURATION
POSTGRES.HOST=127.0.0.1
POSTGRES.USER=data_vault
POSTGRES.PASSWORD=foobared
POSTGRES.DBNAME=data_vault
POSTGRES.POOL.MAX_SIZE=100000
POSTGRES.POOLTIMEOUTS_WAIT_SECS=60
POSTGRES.POOL.TIMEOUTS_WAIT_NANOS=0

# ENCRYPTION KEYS
ENCRYPTED_DATA_VAULT_KEY=000102030405060708090a0b0c0d0e0f
ENCRYPTED_DATA_VAULT_IV=f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff

// example.rs

// traits
use data_vault::DataVault;
use data_vault::encryption::traits::Encryption;

// Interchangeable backend
use data_vault::RedisDataVault;
// Interchangeable encryption
use data_vault::encryption::AesGcmSivEncryption;
// Interchangeable tokenizer
use data_vault::tokenizer::Blake3Tokenizer;

// credit card type
use credit_card::CreditCard;

use tokio;

#[tokio::main(flavor = "multi_thread")]
async fn main() {
    let vault = RedisDataVault::<AesGcmSivEncryption, Blake3Tokenizer>::new().unwrap();
    
    let cc = CreditCard {
        number: "4111111111111111".to_string(),
        cardholder_name: "Graydon Hoare".to_string(),
        expiration_month: "01".to_string(),
        expiration_year: "2023".to_string(),
        brand: None,
        security_code: None
    };
    
    let token = vault.store_credit_card(&cc).await.unwrap();
    let credit_card = vault.retrieve_credit_card(&token.to_string()).await.unwrap();
    assert_eq!(credit_card.number, cc.number)
}

Current Features

• Store Credit Cards

• Store String

• Automatic Encryption and Decryption

• Blake3 tokenization

• Redis pool

• Postgres pool

• Configurable from .env file or Environment Variables

• Interchangeable Backend

• Interchangeable Encryption

• Interchangeable Tokenization hasher

Performance (AMD Ryzen 9 3900X)

Redis

This example output the following performance stats Tokenized ~100,000 credit cards per second.

tokenized and stored 100000 credit cards in 1.058474365s
retrieved 100000 credit cards in 5.353857633s
tokenized, stored, and retrieved 100000 credit cards in 6.412331998s

Postgres

This example output the following performance stats Tokenized ~1,500 credit cards per second.

tokenized and stored 1000 credit cards in 635.963241ms
retrieved 1000 credit cards in 938.834896ms
tokenized, stored, and retrieved 1000 credit cards in 1.574798137s