Commit 5a095a3f08
Changed files (1)
lib
std
lib/std/rand.zig
@@ -733,6 +733,32 @@ test "xoroshiro sequence" {
}
}
+// Gimli
+//
+// CSPRNG
+pub const Gimli = struct {
+ random: Random,
+ state: std.crypto.gimli.State,
+
+ pub fn init(init_s: u64) Gimli {
+ var self = Gimli{
+ .random = Random{ .fillFn = fill },
+ .state = std.crypto.gimli.State{
+ .data = [_]u32{0} ** (std.crypto.gimli.State.BLOCKBYTES / 4),
+ },
+ };
+ self.state.data[0] = @truncate(u32, init_s >> 32);
+ self.state.data[1] = @truncate(u32, init_s);
+ return self;
+ }
+
+ fn fill(r: *Random, buf: []u8) void {
+ const self = @fieldParentPtr(Gimli, "random", r);
+
+ self.state.squeeze(buf);
+ }
+};
+
// ISAAC64 - http://www.burtleburtle.net/bob/rand/isaacafa.html
//
// CSPRNG