### Using Deterministic IP Encryption - ipcrypt - Zig

Source: https://github.com/jedisct1/zig-ipcrypt/blob/main/README.md

Demonstrates how to use the deterministic ipcrypt variant. It shows initialization with a 16-byte key, converting a string IP address to the internal `Ip16` format, performing the encryption, and then decryption. Requires the `ipcrypt` library as a dependency.

```Zig
const ipcrypt = @import("ipcrypt");

// Initialize with a 16-byte key
const key = [_]u8{0x2b} ** 16;
const deterministic = ipcrypt.Deterministic.init(key);

// Convert IP address to Ip16 format
const ip = try ipcrypt.Ip16.fromString("192.0.2.1");

// Encrypt
const encrypted = deterministic.encrypt(ip);

// Decrypt
const decrypted = deterministic.decrypt(encrypted);
```

--------------------------------

### Adding ipcrypt Dependency - build.zig.zon - Zig

Source: https://github.com/jedisct1/zig-ipcrypt/blob/main/README.md

Provides the configuration required to add the `zig-ipcrypt` library as a dependency in a Zig project's `build.zig.zon` file. It specifies the package name, source URL, and the required hash for caching and integrity. This is the first step in integrating the library into a Zig project.

```Zig
.{
    .name = "ipcrypt",
    .url = "https://github.com/yourusername/zig-ipcrypt/archive/refs/tags/v0.1.0.tar.gz",
    .hash = "1220...",
}
```

--------------------------------

### Using Non-deterministic IP Encryption (KIASU-BC) - ipcrypt - Zig

Source: https://github.com/jedisct1/zig-ipcrypt/blob/main/README.md

Illustrates the usage of the non-deterministic ipcrypt variant using KIASU-BC. It covers initialization with a 16-byte key, converting an IP to `Ip16`, encrypting using a randomly generated tweak, encrypting with a user-provided 8-byte tweak, and decrypting the output. Requires the `ipcrypt` library as a dependency.

```Zig
const ipcrypt = @import("ipcrypt");

// Initialize with a 16-byte key
const key = [_]u8{0x2b} ** 16;
const nd = ipcrypt.DeterministicNd.init(key);

// Convert IP address to Ip16 format
const ip = try ipcrypt.Ip16.fromString("2001:db8::1");

// Encrypt with random tweak
const encrypted = nd.encrypt(ip);

// Encrypt with specific tweak
const tweak = [_]u8{0x2b} ** 8;
const encrypted_with_tweak = nd.encryptWithTweak(ip, tweak);

// Decrypt
const decrypted = nd.decrypt(encrypted);
```

--------------------------------

### Integrating ipcrypt Dependency - build.zig - Zig

Source: https://github.com/jedisct1/zig-ipcrypt/blob/main/README.md

Shows how to integrate the `zig-ipcrypt` library dependency within a Zig project's `build.zig` file. It retrieves the dependency and adds its module to the executable, making the library's functions available for use in the project's source code. This follows adding the dependency in `build.zig.zon`.

```Zig
const ipcrypt = b.dependency("ipcrypt", .{
    .target = target,
    .optimize = optimize,
});
exe.addModule("ipcrypt", ipcrypt.module("ipcrypt"));
```

--------------------------------

### Using Non-deterministic IP Encryption (AES-XTS) - ipcrypt - Zig

Source: https://github.com/jedisct1/zig-ipcrypt/blob/main/README.md

Shows how to use the non-deterministic ipcrypt variant based on AES-XTS. It demonstrates initialization with a 32-byte key, converting an IP to `Ip16`, encrypting using a randomly generated tweak, encrypting with a user-provided 16-byte tweak, and decrypting the result. Requires the `ipcrypt` library as a dependency.

```Zig
const ipcrypt = @import("ipcrypt");

// Initialize with a 32-byte key
const key = [_]u8{0x2b} ** 32;
const ndx = ipcrypt.DeterministicNdx.init(key);

// Convert IP address to Ip16 format
const ip = try ipcrypt.Ip16.fromString("2001:db8::1");

// Encrypt with random tweak
const encrypted = ndx.encrypt(ip);

// Encrypt with specific tweak
const tweak = [_]u8{0x2b} ** 16;
const encrypted_with_tweak = ndx.encryptWithTweak(ip, tweak);

// Decrypt
const decrypted = ndx.decrypt(encrypted);
```

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