reticulum-zero/src/crypto.zig

74 lines
2.4 KiB
Zig

///////////////// Imports
//
const AES = @import("crypto/aes.zig");
const ED25519 = @import("crypto/ed25519.zig");
const HKDF = @import("crypto/hkdf.zig");
const HMAC = @import("crypto/hmac.zig");
const SHA256 = @import("crypto/sha256.zig");
const SHA512 = @import("crypto/sha512.zig");
const X25519= @import("crypto/x25519.zig");
const RANDOM = @import("crypto/random.zig");
///////////////// Structs
//
pub const PartialEngine = struct {
aes_cbc256: ? AES.CBC256.Implementation = null,
ed25519: ? ED25519.Implementation = null,
hkdf: ? HKDF.Implementation = null,
hmac: ? HMAC.Implementation = null,
sha256: ? SHA256.Implementation = null,
sha512: ? SHA512.Implementation = null,
x25519: ? X25519.Implementation = null,
random: ? RANDOM.Implementation = null,
};
pub const Engine = struct {
aes_cbc256: AES.CBC256.Implementation,
ed25519: ED25519.Implementation,
hkdf: HKDF.Implementation,
hmac: HMAC.Implementation,
sha256: SHA256.Implementation,
sha512: SHA512.Implementation,
x25519: X25519.Implementation,
random: RANDOM.Implementation,
};
///////////////// Functions
//
// Initializes the cyrpto engine with the functions given inside Provider
// These functions must follow the same structure as the struct returned by this
// function and its sub-structs.
pub fn resolveEngine(comptime provider: PartialEngine) Engine {
return .{
.aes_cbc256 = provider.aes_cbc256 orelse AES.CBC256.defaultImplementation,
.ed25519 = provider.ed25519 orelse ED25519.defaultImplementation,
.hkdf = provider.hkdf orelse HKDF.defaultImplementation,
.hmac = provider.hmac orelse HMAC.defaultImplementation,
.sha256 = provider.sha256 orelse SHA256.defaultImplementation,
.sha512 = provider.sha512 orelse SHA512.defaultImplementation,
.x25519 = provider.x25519 orelse X25519.defaultImplementation,
.random = provider.random orelse RANDOM.defaultImplementation,
};
}
///////////////// Tests
//
const std = @import("std");
test "AES encryption defaults" {
const crypto = resolveEngine(.{});
var data: []u8 = undefined;
const key: [32]u8 = undefined;
const iv: [16]u8 = undefined;
crypto.aes_cbc256.encrypt(&key, &iv, &data);
}