tiny.cook.Key

1pub const Key = struct {2    digest: [32]u8,34    pub fn fromCodeFile(io: std.Io, deriver: []const u8, code_file: std.Io.File, input: []const u8) !Key {5        return init(deriver, try digestFile(io, code_file), input);6    }78    pub fn parseHex(hex_bytes: []const u8) !Key {9        if (hex_bytes.len != 64) return error.InvalidKey;10        var digest: [32]u8 = undefined;11        _ = std.fmt.hexToBytes(&digest, hex_bytes) catch return error.InvalidKey;12        if (!std.mem.eql(u8, hex_bytes, &std.fmt.bytesToHex(digest, .lower))) return error.InvalidKey;13        return .{ .digest = digest };14    }1516    fn init(deriver: []const u8, code: [32]u8, input: []const u8) Key {17        var hasher = Sha256.init(.{});18        hasher.update("tiny-cook-key-v1");19        hashFramed(&hasher, deriver);20        hashFramed(&hasher, &code);21        hashFramed(&hasher, input);22        var digest: [32]u8 = undefined;23        hasher.final(&digest);24        return .{ .digest = digest };25    }2627    pub fn hex(key: Key) [64]u8 {28        return std.fmt.bytesToHex(key.digest, .lower);29    }30};

1pub const Key = cache.Key;