From 715c66ecac085e8527c90ada493a70257aa5a0ae Mon Sep 17 00:00:00 2001
From: jnsiemer <niklas.siemer@gmail.com>
Date: Wed, 15 Apr 2026 17:48:53 +0100
Subject: [PATCH 1/5] Necessary update

---
 src/hash/sha256.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hash/sha256.rs b/src/hash/sha256.rs
index f9005d5..8114802 100644
--- a/src/hash/sha256.rs
+++ b/src/hash/sha256.rs
@@ -39,7 +39,7 @@ pub fn sha256(string: &str) -> String {
     let mut hasher = Sha256::new();
     hasher.update(string);
     let result = hasher.finalize();
-    format!("{result:x}")
+    result.iter().map(|b| format!("{b:02x}")).collect::<String>()
 }
 
 /// Hashes a given String literal into a [`Zq`] using sha256.

From d742c5c5636d02085ccaf2fde192a7e81c9c8d96 Mon Sep 17 00:00:00 2001
From: jnsiemer <niklas.siemer@gmail.com>
Date: Wed, 15 Apr 2026 17:49:12 +0100
Subject: [PATCH 2/5] Update min rustc version

---
 Cargo.toml | 4 ++--
 README.md  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 4cec7eb..1f948c4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "qfall-schemes"
 version = "0.1.0"
 edition = "2024"
-rust-version = "1.85" # due to rand and rand_distr dependency
+rust-version = "1.87" # due to wit_bindgen dependency
 description = "Collection of prototype implementations of lattice-based cryptography"
 readme = "README.md"
 homepage = "https://qfall.github.io"
@@ -17,7 +17,7 @@ autobenches = false
 [dependencies]
 qfall-tools = "0"
 qfall-math = "0"
-sha2 = "0"
+sha2 = "0.11.0"
 serde = {version="1", features=["derive"]}
 serde_json = "1"
 typetag = "0"
diff --git a/README.md b/README.md
index d3786c4..8cf8f64 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ This `schemes`-crate collects implementations of lattice-based constructions s.t
 
 ## Quick-Start
 First, ensure that you use a Unix-like distribution (Linux or MacOS). Setup [WSL](https://learn.microsoft.com/en-us/windows/wsl/install) if you're using Windows. This is required due to this crate's dependency on FLINT.
-Then, make sure your `rustc --version` is `1.85` or newer. 
+Then, make sure your `rustc --version` is `1.87` or newer. 
 
 Furthermore, it's required that `m4`, a C-compiler such as `gcc`, and `make` are installed.
 ```bash

From 684014ad5c1473a2c2495c94df2f17bd7f0d8ea7 Mon Sep 17 00:00:00 2001
From: jnsiemer <niklas.siemer@gmail.com>
Date: Wed, 15 Apr 2026 17:49:27 +0100
Subject: [PATCH 3/5] Remove copyright sign

---
 benches/README.md                                     | 2 +-
 benches/benchmarks.rs                                 | 2 +-
 benches/k_pke.rs                                      | 2 +-
 benches/pfdh.rs                                       | 2 +-
 benches/regev.rs                                      | 2 +-
 src/hash.rs                                           | 2 +-
 src/hash/sha256.rs                                    | 2 +-
 src/hash/sis.rs                                       | 2 +-
 src/identity_based_encryption.rs                      | 2 +-
 src/identity_based_encryption/dual_regev_ibe.rs       | 2 +-
 src/lib.rs                                            | 2 +-
 src/pk_encryption.rs                                  | 2 +-
 src/pk_encryption/ccs_from_ibe.rs                     | 2 +-
 src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs | 2 +-
 src/pk_encryption/dual_regev.rs                       | 2 +-
 src/pk_encryption/dual_regev_discrete_gauss.rs        | 2 +-
 src/pk_encryption/k_pke.rs                            | 2 +-
 src/pk_encryption/lpr.rs                              | 2 +-
 src/pk_encryption/regev.rs                            | 2 +-
 src/pk_encryption/regev_discrete_gauss.rs             | 2 +-
 src/pk_encryption/ring_lpr.rs                         | 2 +-
 src/signature.rs                                      | 2 +-
 src/signature/fdh.rs                                  | 2 +-
 src/signature/fdh/gpv.rs                              | 2 +-
 src/signature/fdh/gpv_ring.rs                         | 2 +-
 src/signature/pfdh.rs                                 | 2 +-
 src/signature/pfdh/gpv.rs                             | 2 +-
 27 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/benches/README.md b/benches/README.md
index 7a3e66d..18e79aa 100644
--- a/benches/README.md
+++ b/benches/README.md
@@ -1,5 +1,5 @@
 <!---
-Copyright © 2023 Sven Moog
+Copyright 2023 Sven Moog
 
 This file is part of qFALL-schemes.
 
diff --git a/benches/benchmarks.rs b/benches/benchmarks.rs
index d853ba0..9f75fa7 100644
--- a/benches/benchmarks.rs
+++ b/benches/benchmarks.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Sven Moog
+// Copyright 2023 Sven Moog
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/benches/k_pke.rs b/benches/k_pke.rs
index 862c526..323320b 100644
--- a/benches/k_pke.rs
+++ b/benches/k_pke.rs
@@ -1,4 +1,4 @@
-// Copyright © 2025 Niklas Siemer
+// Copyright 2025 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/benches/pfdh.rs b/benches/pfdh.rs
index ba1c5d3..e33b4bf 100644
--- a/benches/pfdh.rs
+++ b/benches/pfdh.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Marvin Beckmann
+// Copyright 2023 Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/benches/regev.rs b/benches/regev.rs
index 246e2c9..fd8e6b0 100644
--- a/benches/regev.rs
+++ b/benches/regev.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Sven Moog
+// Copyright 2023 Sven Moog
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/hash.rs b/src/hash.rs
index ff3013f..c81ca1c 100644
--- a/src/hash.rs
+++ b/src/hash.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/hash/sha256.rs b/src/hash/sha256.rs
index 8114802..faad503 100644
--- a/src/hash/sha256.rs
+++ b/src/hash/sha256.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Phil Milewski
+// Copyright 2023 Phil Milewski
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/hash/sis.rs b/src/hash/sis.rs
index 41ca51c..bda4604 100644
--- a/src/hash/sis.rs
+++ b/src/hash/sis.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/identity_based_encryption.rs b/src/identity_based_encryption.rs
index 1c84d0f..8ac2d20 100644
--- a/src/identity_based_encryption.rs
+++ b/src/identity_based_encryption.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Phil Milewski
+// Copyright 2023 Phil Milewski
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/identity_based_encryption/dual_regev_ibe.rs b/src/identity_based_encryption/dual_regev_ibe.rs
index dde4ecc..e6e451b 100644
--- a/src/identity_based_encryption/dual_regev_ibe.rs
+++ b/src/identity_based_encryption/dual_regev_ibe.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Phil Milewski
+// Copyright 2023 Phil Milewski
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/lib.rs b/src/lib.rs
index d0600fe..fbe0b42 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer, Marvin Beckmann
+// Copyright 2023 Niklas Siemer, Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption.rs b/src/pk_encryption.rs
index 4fc84e2..e3a0627 100644
--- a/src/pk_encryption.rs
+++ b/src/pk_encryption.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/ccs_from_ibe.rs b/src/pk_encryption/ccs_from_ibe.rs
index 597d8df..440348a 100644
--- a/src/pk_encryption/ccs_from_ibe.rs
+++ b/src/pk_encryption/ccs_from_ibe.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs b/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs
index 50ca8be..2449cc0 100644
--- a/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs
+++ b/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/dual_regev.rs b/src/pk_encryption/dual_regev.rs
index 6ddf0c9..b773073 100644
--- a/src/pk_encryption/dual_regev.rs
+++ b/src/pk_encryption/dual_regev.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/dual_regev_discrete_gauss.rs b/src/pk_encryption/dual_regev_discrete_gauss.rs
index 04ca904..68ba3ca 100644
--- a/src/pk_encryption/dual_regev_discrete_gauss.rs
+++ b/src/pk_encryption/dual_regev_discrete_gauss.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/k_pke.rs b/src/pk_encryption/k_pke.rs
index 7bc81d1..e6f72f9 100644
--- a/src/pk_encryption/k_pke.rs
+++ b/src/pk_encryption/k_pke.rs
@@ -1,4 +1,4 @@
-// Copyright © 2025 Niklas Siemer
+// Copyright 2025 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/lpr.rs b/src/pk_encryption/lpr.rs
index e362e4f..38f54f5 100644
--- a/src/pk_encryption/lpr.rs
+++ b/src/pk_encryption/lpr.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/regev.rs b/src/pk_encryption/regev.rs
index d38d254..090bf2e 100644
--- a/src/pk_encryption/regev.rs
+++ b/src/pk_encryption/regev.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/regev_discrete_gauss.rs b/src/pk_encryption/regev_discrete_gauss.rs
index 7446e13..3b455e5 100644
--- a/src/pk_encryption/regev_discrete_gauss.rs
+++ b/src/pk_encryption/regev_discrete_gauss.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/ring_lpr.rs b/src/pk_encryption/ring_lpr.rs
index ce30996..46de5c0 100644
--- a/src/pk_encryption/ring_lpr.rs
+++ b/src/pk_encryption/ring_lpr.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Niklas Siemer
+// Copyright 2023 Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/signature.rs b/src/signature.rs
index 814a5e4..39861cf 100644
--- a/src/signature.rs
+++ b/src/signature.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Marcel Luca Schmidt, Marvin Beckmann
+// Copyright 2023 Marcel Luca Schmidt, Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/signature/fdh.rs b/src/signature/fdh.rs
index a9eeb5d..3e31a3d 100644
--- a/src/signature/fdh.rs
+++ b/src/signature/fdh.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Marvin Beckmann
+// Copyright 2023 Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/signature/fdh/gpv.rs b/src/signature/fdh/gpv.rs
index b2fba1c..398cf44 100644
--- a/src/signature/fdh/gpv.rs
+++ b/src/signature/fdh/gpv.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Marvin Beckmann
+// Copyright 2023 Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/signature/fdh/gpv_ring.rs b/src/signature/fdh/gpv_ring.rs
index 802f217..651ae53 100644
--- a/src/signature/fdh/gpv_ring.rs
+++ b/src/signature/fdh/gpv_ring.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Marvin Beckmann
+// Copyright 2023 Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/signature/pfdh.rs b/src/signature/pfdh.rs
index 9a1c1b7..ffd5109 100644
--- a/src/signature/pfdh.rs
+++ b/src/signature/pfdh.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Phil Milewski
+// Copyright 2023 Phil Milewski
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/signature/pfdh/gpv.rs b/src/signature/pfdh/gpv.rs
index 3227e69..9b75ef9 100644
--- a/src/signature/pfdh/gpv.rs
+++ b/src/signature/pfdh/gpv.rs
@@ -1,4 +1,4 @@
-// Copyright © 2023 Phil Milewski
+// Copyright 2023 Phil Milewski
 //
 // This file is part of qFALL-schemes.
 //

From 7550a2cf3d8a772700618b781fbdb90f1be65109 Mon Sep 17 00:00:00 2001
From: jnsiemer <niklas.siemer@gmail.com>
Date: Wed, 15 Apr 2026 17:50:08 +0100
Subject: [PATCH 4/5] Use full name of this guy

---
 benches/k_pke.rs                                      | 2 +-
 src/hash.rs                                           | 2 +-
 src/hash/sis.rs                                       | 2 +-
 src/lib.rs                                            | 2 +-
 src/pk_encryption.rs                                  | 2 +-
 src/pk_encryption/ccs_from_ibe.rs                     | 2 +-
 src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs | 2 +-
 src/pk_encryption/dual_regev.rs                       | 2 +-
 src/pk_encryption/dual_regev_discrete_gauss.rs        | 2 +-
 src/pk_encryption/k_pke.rs                            | 2 +-
 src/pk_encryption/lpr.rs                              | 2 +-
 src/pk_encryption/regev.rs                            | 2 +-
 src/pk_encryption/regev_discrete_gauss.rs             | 2 +-
 src/pk_encryption/ring_lpr.rs                         | 2 +-
 14 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/benches/k_pke.rs b/benches/k_pke.rs
index 323320b..b3962a3 100644
--- a/benches/k_pke.rs
+++ b/benches/k_pke.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 Niklas Siemer
+// Copyright 2025 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/hash.rs b/src/hash.rs
index c81ca1c..306a917 100644
--- a/src/hash.rs
+++ b/src/hash.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/hash/sis.rs b/src/hash/sis.rs
index bda4604..59e87a7 100644
--- a/src/hash/sis.rs
+++ b/src/hash/sis.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/lib.rs b/src/lib.rs
index fbe0b42..164de2c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer, Marvin Beckmann
+// Copyright 2023 Jan Niklas Siemer, Marvin Beckmann
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption.rs b/src/pk_encryption.rs
index e3a0627..ff150da 100644
--- a/src/pk_encryption.rs
+++ b/src/pk_encryption.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/ccs_from_ibe.rs b/src/pk_encryption/ccs_from_ibe.rs
index 440348a..2d92755 100644
--- a/src/pk_encryption/ccs_from_ibe.rs
+++ b/src/pk_encryption/ccs_from_ibe.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs b/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs
index 2449cc0..a1594f5 100644
--- a/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs
+++ b/src/pk_encryption/ccs_from_ibe/dual_regev_ibe_pfdh.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/dual_regev.rs b/src/pk_encryption/dual_regev.rs
index b773073..0928e23 100644
--- a/src/pk_encryption/dual_regev.rs
+++ b/src/pk_encryption/dual_regev.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/dual_regev_discrete_gauss.rs b/src/pk_encryption/dual_regev_discrete_gauss.rs
index 68ba3ca..e6848b2 100644
--- a/src/pk_encryption/dual_regev_discrete_gauss.rs
+++ b/src/pk_encryption/dual_regev_discrete_gauss.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/k_pke.rs b/src/pk_encryption/k_pke.rs
index e6f72f9..5754362 100644
--- a/src/pk_encryption/k_pke.rs
+++ b/src/pk_encryption/k_pke.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 Niklas Siemer
+// Copyright 2025 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/lpr.rs b/src/pk_encryption/lpr.rs
index 38f54f5..c168079 100644
--- a/src/pk_encryption/lpr.rs
+++ b/src/pk_encryption/lpr.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/regev.rs b/src/pk_encryption/regev.rs
index 090bf2e..e219f61 100644
--- a/src/pk_encryption/regev.rs
+++ b/src/pk_encryption/regev.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/regev_discrete_gauss.rs b/src/pk_encryption/regev_discrete_gauss.rs
index 3b455e5..baf9901 100644
--- a/src/pk_encryption/regev_discrete_gauss.rs
+++ b/src/pk_encryption/regev_discrete_gauss.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //
diff --git a/src/pk_encryption/ring_lpr.rs b/src/pk_encryption/ring_lpr.rs
index 46de5c0..220fb04 100644
--- a/src/pk_encryption/ring_lpr.rs
+++ b/src/pk_encryption/ring_lpr.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Niklas Siemer
+// Copyright 2023 Jan Niklas Siemer
 //
 // This file is part of qFALL-schemes.
 //

From b0a853ade952237171b4bc53dbdcacb7bd5b6c19 Mon Sep 17 00:00:00 2001
From: jnsiemer <niklas.siemer@gmail.com>
Date: Wed, 15 Apr 2026 18:10:21 +0100
Subject: [PATCH 5/5] Update version to 0.1.1

---
 Cargo.toml         | 2 +-
 src/hash/sha256.rs | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 1f948c4..b59dc1a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "qfall-schemes"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2024"
 rust-version = "1.87" # due to wit_bindgen dependency
 description = "Collection of prototype implementations of lattice-based cryptography"
diff --git a/src/hash/sha256.rs b/src/hash/sha256.rs
index faad503..fad0760 100644
--- a/src/hash/sha256.rs
+++ b/src/hash/sha256.rs
@@ -39,7 +39,10 @@ pub fn sha256(string: &str) -> String {
     let mut hasher = Sha256::new();
     hasher.update(string);
     let result = hasher.finalize();
-    result.iter().map(|b| format!("{b:02x}")).collect::<String>()
+    result
+        .iter()
+        .map(|b| format!("{b:02x}"))
+        .collect::<String>()
 }
 
 /// Hashes a given String literal into a [`Zq`] using sha256.