From 03d8cff67312819ef7e92a93982102a8be4b14f6 Mon Sep 17 00:00:00 2001
From: Elias Rohrer <dev@tnull.de>
Date: Mon, 16 Sep 2024 12:22:48 +0200
Subject: [PATCH] `rustfmt`: Run on `crypto/chacha20.rs`

---
 lightning/src/crypto/chacha20.rs | 508 ++++++++++++++-----------------
 1 file changed, 231 insertions(+), 277 deletions(-)

diff --git a/lightning/src/crypto/chacha20.rs b/lightning/src/crypto/chacha20.rs
index d1dcff147..cbe3e4e10 100644
--- a/lightning/src/crypto/chacha20.rs
+++ b/lightning/src/crypto/chacha20.rs
@@ -20,20 +20,24 @@ mod real_chacha {
 		type Output = u32x4;
 		#[inline]
 		fn add(self, rhs: u32x4) -> u32x4 {
-			u32x4(self.0.wrapping_add(rhs.0),
-			      self.1.wrapping_add(rhs.1),
-			      self.2.wrapping_add(rhs.2),
-			      self.3.wrapping_add(rhs.3))
+			u32x4(
+				self.0.wrapping_add(rhs.0),
+				self.1.wrapping_add(rhs.1),
+				self.2.wrapping_add(rhs.2),
+				self.3.wrapping_add(rhs.3),
+			)
 		}
 	}
 	impl ::core::ops::Sub for u32x4 {
 		type Output = u32x4;
 		#[inline]
 		fn sub(self, rhs: u32x4) -> u32x4 {
-			u32x4(self.0.wrapping_sub(rhs.0),
-			      self.1.wrapping_sub(rhs.1),
-			      self.2.wrapping_sub(rhs.2),
-			      self.3.wrapping_sub(rhs.3))
+			u32x4(
+				self.0.wrapping_sub(rhs.0),
+				self.1.wrapping_sub(rhs.1),
+				self.2.wrapping_sub(rhs.2),
+				self.3.wrapping_sub(rhs.3),
+			)
 		}
 	}
 	impl ::core::ops::BitXor for u32x4 {
@@ -60,44 +64,48 @@ mod real_chacha {
 	impl u32x4 {
 		#[inline]
 		fn from_bytes(bytes: &[u8]) -> Self {
-			assert_eq!(bytes.len(), 4*4);
-			Self (
-				u32::from_le_bytes(bytes[0*4..1*4].try_into().expect("len is 4")),
-				u32::from_le_bytes(bytes[1*4..2*4].try_into().expect("len is 4")),
-				u32::from_le_bytes(bytes[2*4..3*4].try_into().expect("len is 4")),
-				u32::from_le_bytes(bytes[3*4..4*4].try_into().expect("len is 4")),
+			assert_eq!(bytes.len(), 4 * 4);
+			Self(
+				u32::from_le_bytes(bytes[0 * 4..1 * 4].try_into().expect("len is 4")),
+				u32::from_le_bytes(bytes[1 * 4..2 * 4].try_into().expect("len is 4")),
+				u32::from_le_bytes(bytes[2 * 4..3 * 4].try_into().expect("len is 4")),
+				u32::from_le_bytes(bytes[3 * 4..4 * 4].try_into().expect("len is 4")),
 			)
 		}
 	}
 
 	const BLOCK_SIZE: usize = 64;
 
-	#[derive(Clone,Copy)]
+	#[derive(Clone, Copy)]
 	struct ChaChaState {
 		a: u32x4,
 		b: u32x4,
 		c: u32x4,
-		d: u32x4
+		d: u32x4,
 	}
 
 	#[derive(Copy)]
 	pub struct ChaCha20 {
-		state  : ChaChaState,
-		output : [u8; BLOCK_SIZE],
-		offset : usize,
+		state: ChaChaState,
+		output: [u8; BLOCK_SIZE],
+		offset: usize,
 	}
 
-	impl Clone for ChaCha20 { fn clone(&self) -> ChaCha20 { *self } }
+	impl Clone for ChaCha20 {
+		fn clone(&self) -> ChaCha20 {
+			*self
+		}
+	}
 
 	macro_rules! swizzle {
 		($b: expr, $c: expr, $d: expr) => {{
 			let u32x4(b10, b11, b12, b13) = $b;
 			$b = u32x4(b11, b12, b13, b10);
 			let u32x4(c10, c11, c12, c13) = $c;
-			$c = u32x4(c12, c13,c10, c11);
+			$c = u32x4(c12, c13, c10, c11);
 			let u32x4(d10, d11, d12, d13) = $d;
 			$d = u32x4(d13, d10, d11, d12);
-		}}
+		}};
 	}
 
 	macro_rules! state_to_buffer {
@@ -106,19 +114,14 @@ mod real_chacha {
 			let u32x4(b1, b2, b3, b4) = $state.b;
 			let u32x4(c1, c2, c3, c4) = $state.c;
 			let u32x4(d1, d2, d3, d4) = $state.d;
-			let lens = [
-				a1,a2,a3,a4,
-				b1,b2,b3,b4,
-				c1,c2,c3,c4,
-				d1,d2,d3,d4
-			];
+			let lens = [a1, a2, a3, a4, b1, b2, b3, b4, c1, c2, c3, c4, d1, d2, d3, d4];
 			for i in 0..lens.len() {
-				$output[i*4..(i+1)*4].copy_from_slice(&lens[i].to_le_bytes());
+				$output[i * 4..(i + 1) * 4].copy_from_slice(&lens[i].to_le_bytes());
 			}
-		}}
+		}};
 	}
 
-	macro_rules! round{
+	macro_rules! round {
 		($state: expr) => {{
 			$state.a = $state.a + $state.b;
 			rotate!($state.d, $state.a, 16);
@@ -128,7 +131,7 @@ mod real_chacha {
 			rotate!($state.d, $state.a, 8);
 			$state.c = $state.c + $state.d;
 			rotate!($state.b, $state.c, 7);
-		}}
+		}};
 	}
 
 	macro_rules! rotate {
@@ -137,7 +140,7 @@ mod real_chacha {
 			let r = 32 - $rot;
 			let right = v >> r;
 			$a = (v << $rot) ^ right
-		}}
+		}};
 	}
 
 	impl ChaCha20 {
@@ -145,12 +148,16 @@ mod real_chacha {
 			assert!(key.len() == 16 || key.len() == 32);
 			assert!(nonce.len() == 8 || nonce.len() == 12);
 
-			ChaCha20{ state: ChaCha20::expand(key, nonce), output: [0u8; BLOCK_SIZE], offset: 64 }
+			ChaCha20 { state: ChaCha20::expand(key, nonce), output: [0u8; BLOCK_SIZE], offset: 64 }
 		}
 
 		/// Get one block from a ChaCha stream.
 		pub fn get_single_block(key: &[u8; 32], nonce: &[u8; 16]) -> [u8; 32] {
-			let mut chacha = ChaCha20 { state: ChaCha20::expand(key, nonce), output: [0u8; BLOCK_SIZE], offset: 64 };
+			let mut chacha = ChaCha20 {
+				state: ChaCha20::expand(key, nonce),
+				output: [0u8; BLOCK_SIZE],
+				offset: 64,
+			};
 			let mut chacha_bytes = [0; 32];
 			chacha.process_in_place(&mut chacha_bytes);
 			chacha_bytes
@@ -158,9 +165,7 @@ mod real_chacha {
 
 		/// Encrypts `src` into `dest` using a single block from a ChaCha stream. Passing `dest` as
 		/// `src` in a second call will decrypt it.
-		pub fn encrypt_single_block(
-			key: &[u8; 32], nonce: &[u8; 16], dest: &mut [u8], src: &[u8]
-		) {
+		pub fn encrypt_single_block(key: &[u8; 32], nonce: &[u8; 16], dest: &mut [u8], src: &[u8]) {
 			debug_assert_eq!(dest.len(), src.len());
 			debug_assert!(dest.len() <= 32);
 
@@ -172,7 +177,7 @@ mod real_chacha {
 
 		/// Same as `encrypt_single_block` only operates on a fixed-size input in-place.
 		pub fn encrypt_single_block_in_place(
-			key: &[u8; 32], nonce: &[u8; 16], bytes: &mut [u8; 32]
+			key: &[u8; 32], nonce: &[u8; 16], bytes: &mut [u8; 32],
 		) {
 			let block = ChaCha20::get_single_block(key, nonce);
 			for i in 0..bytes.len() {
@@ -184,7 +189,7 @@ mod real_chacha {
 			let constant = match key.len() {
 				16 => b"expand 16-byte k",
 				32 => b"expand 32-byte k",
-				_  => unreachable!(),
+				_ => unreachable!(),
 			};
 			ChaChaState {
 				a: u32x4::from_bytes(&constant[0..16]),
@@ -197,14 +202,14 @@ mod real_chacha {
 				d: if nonce.len() == 16 {
 					u32x4::from_bytes(&nonce[0..16])
 				} else if nonce.len() == 12 {
-					let mut nonce4 = [0; 4*4];
+					let mut nonce4 = [0; 4 * 4];
 					nonce4[4..].copy_from_slice(nonce);
 					u32x4::from_bytes(&nonce4)
 				} else {
-					let mut nonce4 = [0; 4*4];
+					let mut nonce4 = [0; 4 * 4];
 					nonce4[8..].copy_from_slice(nonce);
 					u32x4::from_bytes(&nonce4)
-				}
+				},
 			}
 		}
 
@@ -312,15 +317,16 @@ mod fuzzy_chacha {
 		}
 
 		pub fn encrypt_single_block(
-			_key: &[u8; 32], _nonce: &[u8; 16], dest: &mut [u8], src: &[u8]
+			_key: &[u8; 32], _nonce: &[u8; 16], dest: &mut [u8], src: &[u8],
 		) {
 			debug_assert_eq!(dest.len(), src.len());
 			debug_assert!(dest.len() <= 32);
 		}
 
 		pub fn encrypt_single_block_in_place(
-			_key: &[u8; 32], _nonce: &[u8; 16], _bytes: &mut [u8; 32]
-		) {}
+			_key: &[u8; 32], _nonce: &[u8; 16], _bytes: &mut [u8; 32],
+		) {
+		}
 
 		pub fn process(&mut self, input: &[u8], output: &mut [u8]) {
 			output.copy_from_slice(input);
@@ -343,128 +349,103 @@ mod test {
 	#[test]
 	fn test_chacha20_256_tls_vectors() {
 		struct TestVector {
-			key:   [u8; 32],
+			key: [u8; 32],
 			nonce: [u8; 8],
 			keystream: Vec<u8>,
 		}
 		// taken from http://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04
-		let test_vectors = vec!(
-			TestVector{
+		let test_vectors = vec![
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
+				keystream: vec![
+					0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90, 0x40, 0x5d, 0x6a, 0xe5, 0x53,
+					0x86, 0xbd, 0x28, 0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a, 0xa8, 0x36,
+					0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7, 0xda, 0x41, 0x59, 0x7c, 0x51, 0x57, 0x48,
+					0x8d, 0x77, 0x24, 0xe0, 0x3f, 0xb8, 0xd8, 0x4a, 0x37, 0x6a, 0x43, 0xb8, 0xf4,
+					0x15, 0x18, 0xa1, 0x1c, 0xc3, 0x87, 0xb6, 0x69, 0xb2, 0xee, 0x65, 0x86,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ],
-				keystream: vec!(
-					0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90,
-					0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28,
-					0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a,
-					0xa8, 0x36, 0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7,
-					0xda, 0x41, 0x59, 0x7c, 0x51, 0x57, 0x48, 0x8d,
-					0x77, 0x24, 0xe0, 0x3f, 0xb8, 0xd8, 0x4a, 0x37,
-					0x6a, 0x43, 0xb8, 0xf4, 0x15, 0x18, 0xa1, 0x1c,
-					0xc3, 0x87, 0xb6, 0x69, 0xb2, 0xee, 0x65, 0x86,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
+				keystream: vec![
+					0x45, 0x40, 0xf0, 0x5a, 0x9f, 0x1f, 0xb2, 0x96, 0xd7, 0x73, 0x6e, 0x7b, 0x20,
+					0x8e, 0x3c, 0x96, 0xeb, 0x4f, 0xe1, 0x83, 0x46, 0x88, 0xd2, 0x60, 0x4f, 0x45,
+					0x09, 0x52, 0xed, 0x43, 0x2d, 0x41, 0xbb, 0xe2, 0xa0, 0xb6, 0xea, 0x75, 0x66,
+					0xd2, 0xa5, 0xd1, 0xe7, 0xe2, 0x0d, 0x42, 0xaf, 0x2c, 0x53, 0xd7, 0x92, 0xb1,
+					0xc4, 0x3f, 0xea, 0x81, 0x7e, 0x9a, 0xd2, 0x75, 0xae, 0x54, 0x69, 0x63,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ],
-				keystream: vec!(
-					0x45, 0x40, 0xf0, 0x5a, 0x9f, 0x1f, 0xb2, 0x96,
-					0xd7, 0x73, 0x6e, 0x7b, 0x20, 0x8e, 0x3c, 0x96,
-					0xeb, 0x4f, 0xe1, 0x83, 0x46, 0x88, 0xd2, 0x60,
-					0x4f, 0x45, 0x09, 0x52, 0xed, 0x43, 0x2d, 0x41,
-					0xbb, 0xe2, 0xa0, 0xb6, 0xea, 0x75, 0x66, 0xd2,
-					0xa5, 0xd1, 0xe7, 0xe2, 0x0d, 0x42, 0xaf, 0x2c,
-					0x53, 0xd7, 0x92, 0xb1, 0xc4, 0x3f, 0xea, 0x81,
-					0x7e, 0x9a, 0xd2, 0x75, 0xae, 0x54, 0x69, 0x63,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01],
+				keystream: vec![
+					0xde, 0x9c, 0xba, 0x7b, 0xf3, 0xd6, 0x9e, 0xf5, 0xe7, 0x86, 0xdc, 0x63, 0x97,
+					0x3f, 0x65, 0x3a, 0x0b, 0x49, 0xe0, 0x15, 0xad, 0xbf, 0xf7, 0x13, 0x4f, 0xcb,
+					0x7d, 0xf1, 0x37, 0x82, 0x10, 0x31, 0xe8, 0x5a, 0x05, 0x02, 0x78, 0xa7, 0x08,
+					0x45, 0x27, 0x21, 0x4f, 0x73, 0xef, 0xc7, 0xfa, 0x5b, 0x52, 0x77, 0x06, 0x2e,
+					0xb7, 0xa0, 0x43, 0x3e, 0x44, 0x5f, 0x41, 0xe3,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 ],
-				keystream: vec!(
-					0xde, 0x9c, 0xba, 0x7b, 0xf3, 0xd6, 0x9e, 0xf5,
-					0xe7, 0x86, 0xdc, 0x63, 0x97, 0x3f, 0x65, 0x3a,
-					0x0b, 0x49, 0xe0, 0x15, 0xad, 0xbf, 0xf7, 0x13,
-					0x4f, 0xcb, 0x7d, 0xf1, 0x37, 0x82, 0x10, 0x31,
-					0xe8, 0x5a, 0x05, 0x02, 0x78, 0xa7, 0x08, 0x45,
-					0x27, 0x21, 0x4f, 0x73, 0xef, 0xc7, 0xfa, 0x5b,
-					0x52, 0x77, 0x06, 0x2e, 0xb7, 0xa0, 0x43, 0x3e,
-					0x44, 0x5f, 0x41, 0xe3,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				],
+				nonce: [0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
+				keystream: vec![
+					0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb, 0xf5, 0xcf, 0x35, 0xbd, 0x3d,
+					0xd3, 0x3b, 0x80, 0x09, 0x63, 0x16, 0x34, 0xd2, 0x1e, 0x42, 0xac, 0x33, 0x96,
+					0x0b, 0xd1, 0x38, 0xe5, 0x0d, 0x32, 0x11, 0x1e, 0x4c, 0xaf, 0x23, 0x7e, 0xe5,
+					0x3c, 0xa8, 0xad, 0x64, 0x26, 0x19, 0x4a, 0x88, 0x54, 0x5d, 0xdc, 0x49, 0x7a,
+					0x0b, 0x46, 0x6e, 0x7d, 0x6b, 0xbd, 0xb0, 0x04, 0x1b, 0x2f, 0x58, 0x6b,
 				],
-				nonce: [ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ],
-				keystream: vec!(
-					0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb,
-					0xf5, 0xcf, 0x35, 0xbd, 0x3d, 0xd3, 0x3b, 0x80,
-					0x09, 0x63, 0x16, 0x34, 0xd2, 0x1e, 0x42, 0xac,
-					0x33, 0x96, 0x0b, 0xd1, 0x38, 0xe5, 0x0d, 0x32,
-					0x11, 0x1e, 0x4c, 0xaf, 0x23, 0x7e, 0xe5, 0x3c,
-					0xa8, 0xad, 0x64, 0x26, 0x19, 0x4a, 0x88, 0x54,
-					0x5d, 0xdc, 0x49, 0x7a, 0x0b, 0x46, 0x6e, 0x7d,
-					0x6b, 0xbd, 0xb0, 0x04, 0x1b, 0x2f, 0x58, 0x6b,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-					0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-					0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-					0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+					0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
+					0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
+					0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+				],
+				nonce: [0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07],
+				keystream: vec![
+					0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69, 0x82, 0x10, 0x5f, 0xfb, 0x64,
+					0x0b, 0xb7, 0x75, 0x7f, 0x57, 0x9d, 0xa3, 0x16, 0x02, 0xfc, 0x93, 0xec, 0x01,
+					0xac, 0x56, 0xf8, 0x5a, 0xc3, 0xc1, 0x34, 0xa4, 0x54, 0x7b, 0x73, 0x3b, 0x46,
+					0x41, 0x30, 0x42, 0xc9, 0x44, 0x00, 0x49, 0x17, 0x69, 0x05, 0xd3, 0xbe, 0x59,
+					0xea, 0x1c, 0x53, 0xf1, 0x59, 0x16, 0x15, 0x5c, 0x2b, 0xe8, 0x24, 0x1a, 0x38,
+					0x00, 0x8b, 0x9a, 0x26, 0xbc, 0x35, 0x94, 0x1e, 0x24, 0x44, 0x17, 0x7c, 0x8a,
+					0xde, 0x66, 0x89, 0xde, 0x95, 0x26, 0x49, 0x86, 0xd9, 0x58, 0x89, 0xfb, 0x60,
+					0xe8, 0x46, 0x29, 0xc9, 0xbd, 0x9a, 0x5a, 0xcb, 0x1c, 0xc1, 0x18, 0xbe, 0x56,
+					0x3e, 0xb9, 0xb3, 0xa4, 0xa4, 0x72, 0xf8, 0x2e, 0x09, 0xa7, 0xe7, 0x78, 0x49,
+					0x2b, 0x56, 0x2e, 0xf7, 0x13, 0x0e, 0x88, 0xdf, 0xe0, 0x31, 0xc7, 0x9d, 0xb9,
+					0xd4, 0xf7, 0xc7, 0xa8, 0x99, 0x15, 0x1b, 0x9a, 0x47, 0x50, 0x32, 0xb6, 0x3f,
+					0xc3, 0x85, 0x24, 0x5f, 0xe0, 0x54, 0xe3, 0xdd, 0x5a, 0x97, 0xa5, 0xf5, 0x76,
+					0xfe, 0x06, 0x40, 0x25, 0xd3, 0xce, 0x04, 0x2c, 0x56, 0x6a, 0xb2, 0xc5, 0x07,
+					0xb1, 0x38, 0xdb, 0x85, 0x3e, 0x3d, 0x69, 0x59, 0x66, 0x09, 0x96, 0x54, 0x6c,
+					0xc9, 0xc4, 0xa6, 0xea, 0xfd, 0xc7, 0x77, 0xc0, 0x40, 0xd7, 0x0e, 0xaf, 0x46,
+					0xf7, 0x6d, 0xad, 0x39, 0x79, 0xe5, 0xc5, 0x36, 0x0c, 0x33, 0x17, 0x16, 0x6a,
+					0x1c, 0x89, 0x4c, 0x94, 0xa3, 0x71, 0x87, 0x6a, 0x94, 0xdf, 0x76, 0x28, 0xfe,
+					0x4e, 0xaa, 0xf2, 0xcc, 0xb2, 0x7d, 0x5a, 0xaa, 0xe0, 0xad, 0x7a, 0xd0, 0xf9,
+					0xd4, 0xb6, 0xad, 0x3b, 0x54, 0x09, 0x87, 0x46, 0xd4, 0x52, 0x4d, 0x38, 0x40,
+					0x7a, 0x6d, 0xeb, 0x3a, 0xb7, 0x8f, 0xab, 0x78, 0xc9,
 				],
-				nonce: [ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 ],
-				keystream: vec!(
-					0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69,
-					0x82, 0x10, 0x5f, 0xfb, 0x64, 0x0b, 0xb7, 0x75,
-					0x7f, 0x57, 0x9d, 0xa3, 0x16, 0x02, 0xfc, 0x93,
-					0xec, 0x01, 0xac, 0x56, 0xf8, 0x5a, 0xc3, 0xc1,
-					0x34, 0xa4, 0x54, 0x7b, 0x73, 0x3b, 0x46, 0x41,
-					0x30, 0x42, 0xc9, 0x44, 0x00, 0x49, 0x17, 0x69,
-					0x05, 0xd3, 0xbe, 0x59, 0xea, 0x1c, 0x53, 0xf1,
-					0x59, 0x16, 0x15, 0x5c, 0x2b, 0xe8, 0x24, 0x1a,
-					0x38, 0x00, 0x8b, 0x9a, 0x26, 0xbc, 0x35, 0x94,
-					0x1e, 0x24, 0x44, 0x17, 0x7c, 0x8a, 0xde, 0x66,
-					0x89, 0xde, 0x95, 0x26, 0x49, 0x86, 0xd9, 0x58,
-					0x89, 0xfb, 0x60, 0xe8, 0x46, 0x29, 0xc9, 0xbd,
-					0x9a, 0x5a, 0xcb, 0x1c, 0xc1, 0x18, 0xbe, 0x56,
-					0x3e, 0xb9, 0xb3, 0xa4, 0xa4, 0x72, 0xf8, 0x2e,
-					0x09, 0xa7, 0xe7, 0x78, 0x49, 0x2b, 0x56, 0x2e,
-					0xf7, 0x13, 0x0e, 0x88, 0xdf, 0xe0, 0x31, 0xc7,
-					0x9d, 0xb9, 0xd4, 0xf7, 0xc7, 0xa8, 0x99, 0x15,
-					0x1b, 0x9a, 0x47, 0x50, 0x32, 0xb6, 0x3f, 0xc3,
-					0x85, 0x24, 0x5f, 0xe0, 0x54, 0xe3, 0xdd, 0x5a,
-					0x97, 0xa5, 0xf5, 0x76, 0xfe, 0x06, 0x40, 0x25,
-					0xd3, 0xce, 0x04, 0x2c, 0x56, 0x6a, 0xb2, 0xc5,
-					0x07, 0xb1, 0x38, 0xdb, 0x85, 0x3e, 0x3d, 0x69,
-					0x59, 0x66, 0x09, 0x96, 0x54, 0x6c, 0xc9, 0xc4,
-					0xa6, 0xea, 0xfd, 0xc7, 0x77, 0xc0, 0x40, 0xd7,
-					0x0e, 0xaf, 0x46, 0xf7, 0x6d, 0xad, 0x39, 0x79,
-					0xe5, 0xc5, 0x36, 0x0c, 0x33, 0x17, 0x16, 0x6a,
-					0x1c, 0x89, 0x4c, 0x94, 0xa3, 0x71, 0x87, 0x6a,
-					0x94, 0xdf, 0x76, 0x28, 0xfe, 0x4e, 0xaa, 0xf2,
-					0xcc, 0xb2, 0x7d, 0x5a, 0xaa, 0xe0, 0xad, 0x7a,
-					0xd0, 0xf9, 0xd4, 0xb6, 0xad, 0x3b, 0x54, 0x09,
-					0x87, 0x46, 0xd4, 0x52, 0x4d, 0x38, 0x40, 0x7a,
-					0x6d, 0xeb, 0x3a, 0xb7, 0x8f, 0xab, 0x78, 0xc9,
-				),
 			},
-		);
+		];
 
 		for tv in test_vectors.iter() {
 			let mut c = ChaCha20::new(&tv.key, &tv.nonce);
@@ -478,128 +459,103 @@ mod test {
 	#[test]
 	fn test_chacha20_256_tls_vectors_96_nonce() {
 		struct TestVector {
-			key:   [u8; 32],
+			key: [u8; 32],
 			nonce: [u8; 12],
 			keystream: Vec<u8>,
 		}
 		// taken from http://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04
-		let test_vectors = vec!(
-			TestVector{
+		let test_vectors = vec![
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
+				keystream: vec![
+					0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90, 0x40, 0x5d, 0x6a, 0xe5, 0x53,
+					0x86, 0xbd, 0x28, 0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a, 0xa8, 0x36,
+					0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7, 0xda, 0x41, 0x59, 0x7c, 0x51, 0x57, 0x48,
+					0x8d, 0x77, 0x24, 0xe0, 0x3f, 0xb8, 0xd8, 0x4a, 0x37, 0x6a, 0x43, 0xb8, 0xf4,
+					0x15, 0x18, 0xa1, 0x1c, 0xc3, 0x87, 0xb6, 0x69, 0xb2, 0xee, 0x65, 0x86,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ],
-				keystream: vec!(
-					0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90,
-					0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28,
-					0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a,
-					0xa8, 0x36, 0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7,
-					0xda, 0x41, 0x59, 0x7c, 0x51, 0x57, 0x48, 0x8d,
-					0x77, 0x24, 0xe0, 0x3f, 0xb8, 0xd8, 0x4a, 0x37,
-					0x6a, 0x43, 0xb8, 0xf4, 0x15, 0x18, 0xa1, 0x1c,
-					0xc3, 0x87, 0xb6, 0x69, 0xb2, 0xee, 0x65, 0x86,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
+				keystream: vec![
+					0x45, 0x40, 0xf0, 0x5a, 0x9f, 0x1f, 0xb2, 0x96, 0xd7, 0x73, 0x6e, 0x7b, 0x20,
+					0x8e, 0x3c, 0x96, 0xeb, 0x4f, 0xe1, 0x83, 0x46, 0x88, 0xd2, 0x60, 0x4f, 0x45,
+					0x09, 0x52, 0xed, 0x43, 0x2d, 0x41, 0xbb, 0xe2, 0xa0, 0xb6, 0xea, 0x75, 0x66,
+					0xd2, 0xa5, 0xd1, 0xe7, 0xe2, 0x0d, 0x42, 0xaf, 0x2c, 0x53, 0xd7, 0x92, 0xb1,
+					0xc4, 0x3f, 0xea, 0x81, 0x7e, 0x9a, 0xd2, 0x75, 0xae, 0x54, 0x69, 0x63,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ],
-				keystream: vec!(
-					0x45, 0x40, 0xf0, 0x5a, 0x9f, 0x1f, 0xb2, 0x96,
-					0xd7, 0x73, 0x6e, 0x7b, 0x20, 0x8e, 0x3c, 0x96,
-					0xeb, 0x4f, 0xe1, 0x83, 0x46, 0x88, 0xd2, 0x60,
-					0x4f, 0x45, 0x09, 0x52, 0xed, 0x43, 0x2d, 0x41,
-					0xbb, 0xe2, 0xa0, 0xb6, 0xea, 0x75, 0x66, 0xd2,
-					0xa5, 0xd1, 0xe7, 0xe2, 0x0d, 0x42, 0xaf, 0x2c,
-					0x53, 0xd7, 0x92, 0xb1, 0xc4, 0x3f, 0xea, 0x81,
-					0x7e, 0x9a, 0xd2, 0x75, 0xae, 0x54, 0x69, 0x63,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01],
+				keystream: vec![
+					0xde, 0x9c, 0xba, 0x7b, 0xf3, 0xd6, 0x9e, 0xf5, 0xe7, 0x86, 0xdc, 0x63, 0x97,
+					0x3f, 0x65, 0x3a, 0x0b, 0x49, 0xe0, 0x15, 0xad, 0xbf, 0xf7, 0x13, 0x4f, 0xcb,
+					0x7d, 0xf1, 0x37, 0x82, 0x10, 0x31, 0xe8, 0x5a, 0x05, 0x02, 0x78, 0xa7, 0x08,
+					0x45, 0x27, 0x21, 0x4f, 0x73, 0xef, 0xc7, 0xfa, 0x5b, 0x52, 0x77, 0x06, 0x2e,
+					0xb7, 0xa0, 0x43, 0x3e, 0x44, 0x5f, 0x41, 0xe3,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 ],
-				keystream: vec!(
-					0xde, 0x9c, 0xba, 0x7b, 0xf3, 0xd6, 0x9e, 0xf5,
-					0xe7, 0x86, 0xdc, 0x63, 0x97, 0x3f, 0x65, 0x3a,
-					0x0b, 0x49, 0xe0, 0x15, 0xad, 0xbf, 0xf7, 0x13,
-					0x4f, 0xcb, 0x7d, 0xf1, 0x37, 0x82, 0x10, 0x31,
-					0xe8, 0x5a, 0x05, 0x02, 0x78, 0xa7, 0x08, 0x45,
-					0x27, 0x21, 0x4f, 0x73, 0xef, 0xc7, 0xfa, 0x5b,
-					0x52, 0x77, 0x06, 0x2e, 0xb7, 0xa0, 0x43, 0x3e,
-					0x44, 0x5f, 0x41, 0xe3,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
+				keystream: vec![
+					0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb, 0xf5, 0xcf, 0x35, 0xbd, 0x3d,
+					0xd3, 0x3b, 0x80, 0x09, 0x63, 0x16, 0x34, 0xd2, 0x1e, 0x42, 0xac, 0x33, 0x96,
+					0x0b, 0xd1, 0x38, 0xe5, 0x0d, 0x32, 0x11, 0x1e, 0x4c, 0xaf, 0x23, 0x7e, 0xe5,
+					0x3c, 0xa8, 0xad, 0x64, 0x26, 0x19, 0x4a, 0x88, 0x54, 0x5d, 0xdc, 0x49, 0x7a,
+					0x0b, 0x46, 0x6e, 0x7d, 0x6b, 0xbd, 0xb0, 0x04, 0x1b, 0x2f, 0x58, 0x6b,
 				],
-				nonce: [ 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ],
-				keystream: vec!(
-					0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb,
-					0xf5, 0xcf, 0x35, 0xbd, 0x3d, 0xd3, 0x3b, 0x80,
-					0x09, 0x63, 0x16, 0x34, 0xd2, 0x1e, 0x42, 0xac,
-					0x33, 0x96, 0x0b, 0xd1, 0x38, 0xe5, 0x0d, 0x32,
-					0x11, 0x1e, 0x4c, 0xaf, 0x23, 0x7e, 0xe5, 0x3c,
-					0xa8, 0xad, 0x64, 0x26, 0x19, 0x4a, 0x88, 0x54,
-					0x5d, 0xdc, 0x49, 0x7a, 0x0b, 0x46, 0x6e, 0x7d,
-					0x6b, 0xbd, 0xb0, 0x04, 0x1b, 0x2f, 0x58, 0x6b,
-				),
-			}, TestVector{
+			},
+			TestVector {
 				key: [
-					0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-					0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-					0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-					0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+					0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
+					0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
+					0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+				],
+				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07],
+				keystream: vec![
+					0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69, 0x82, 0x10, 0x5f, 0xfb, 0x64,
+					0x0b, 0xb7, 0x75, 0x7f, 0x57, 0x9d, 0xa3, 0x16, 0x02, 0xfc, 0x93, 0xec, 0x01,
+					0xac, 0x56, 0xf8, 0x5a, 0xc3, 0xc1, 0x34, 0xa4, 0x54, 0x7b, 0x73, 0x3b, 0x46,
+					0x41, 0x30, 0x42, 0xc9, 0x44, 0x00, 0x49, 0x17, 0x69, 0x05, 0xd3, 0xbe, 0x59,
+					0xea, 0x1c, 0x53, 0xf1, 0x59, 0x16, 0x15, 0x5c, 0x2b, 0xe8, 0x24, 0x1a, 0x38,
+					0x00, 0x8b, 0x9a, 0x26, 0xbc, 0x35, 0x94, 0x1e, 0x24, 0x44, 0x17, 0x7c, 0x8a,
+					0xde, 0x66, 0x89, 0xde, 0x95, 0x26, 0x49, 0x86, 0xd9, 0x58, 0x89, 0xfb, 0x60,
+					0xe8, 0x46, 0x29, 0xc9, 0xbd, 0x9a, 0x5a, 0xcb, 0x1c, 0xc1, 0x18, 0xbe, 0x56,
+					0x3e, 0xb9, 0xb3, 0xa4, 0xa4, 0x72, 0xf8, 0x2e, 0x09, 0xa7, 0xe7, 0x78, 0x49,
+					0x2b, 0x56, 0x2e, 0xf7, 0x13, 0x0e, 0x88, 0xdf, 0xe0, 0x31, 0xc7, 0x9d, 0xb9,
+					0xd4, 0xf7, 0xc7, 0xa8, 0x99, 0x15, 0x1b, 0x9a, 0x47, 0x50, 0x32, 0xb6, 0x3f,
+					0xc3, 0x85, 0x24, 0x5f, 0xe0, 0x54, 0xe3, 0xdd, 0x5a, 0x97, 0xa5, 0xf5, 0x76,
+					0xfe, 0x06, 0x40, 0x25, 0xd3, 0xce, 0x04, 0x2c, 0x56, 0x6a, 0xb2, 0xc5, 0x07,
+					0xb1, 0x38, 0xdb, 0x85, 0x3e, 0x3d, 0x69, 0x59, 0x66, 0x09, 0x96, 0x54, 0x6c,
+					0xc9, 0xc4, 0xa6, 0xea, 0xfd, 0xc7, 0x77, 0xc0, 0x40, 0xd7, 0x0e, 0xaf, 0x46,
+					0xf7, 0x6d, 0xad, 0x39, 0x79, 0xe5, 0xc5, 0x36, 0x0c, 0x33, 0x17, 0x16, 0x6a,
+					0x1c, 0x89, 0x4c, 0x94, 0xa3, 0x71, 0x87, 0x6a, 0x94, 0xdf, 0x76, 0x28, 0xfe,
+					0x4e, 0xaa, 0xf2, 0xcc, 0xb2, 0x7d, 0x5a, 0xaa, 0xe0, 0xad, 0x7a, 0xd0, 0xf9,
+					0xd4, 0xb6, 0xad, 0x3b, 0x54, 0x09, 0x87, 0x46, 0xd4, 0x52, 0x4d, 0x38, 0x40,
+					0x7a, 0x6d, 0xeb, 0x3a, 0xb7, 0x8f, 0xab, 0x78, 0xc9,
 				],
-				nonce: [0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 ],
-				keystream: vec!(
-					0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69,
-					0x82, 0x10, 0x5f, 0xfb, 0x64, 0x0b, 0xb7, 0x75,
-					0x7f, 0x57, 0x9d, 0xa3, 0x16, 0x02, 0xfc, 0x93,
-					0xec, 0x01, 0xac, 0x56, 0xf8, 0x5a, 0xc3, 0xc1,
-					0x34, 0xa4, 0x54, 0x7b, 0x73, 0x3b, 0x46, 0x41,
-					0x30, 0x42, 0xc9, 0x44, 0x00, 0x49, 0x17, 0x69,
-					0x05, 0xd3, 0xbe, 0x59, 0xea, 0x1c, 0x53, 0xf1,
-					0x59, 0x16, 0x15, 0x5c, 0x2b, 0xe8, 0x24, 0x1a,
-					0x38, 0x00, 0x8b, 0x9a, 0x26, 0xbc, 0x35, 0x94,
-					0x1e, 0x24, 0x44, 0x17, 0x7c, 0x8a, 0xde, 0x66,
-					0x89, 0xde, 0x95, 0x26, 0x49, 0x86, 0xd9, 0x58,
-					0x89, 0xfb, 0x60, 0xe8, 0x46, 0x29, 0xc9, 0xbd,
-					0x9a, 0x5a, 0xcb, 0x1c, 0xc1, 0x18, 0xbe, 0x56,
-					0x3e, 0xb9, 0xb3, 0xa4, 0xa4, 0x72, 0xf8, 0x2e,
-					0x09, 0xa7, 0xe7, 0x78, 0x49, 0x2b, 0x56, 0x2e,
-					0xf7, 0x13, 0x0e, 0x88, 0xdf, 0xe0, 0x31, 0xc7,
-					0x9d, 0xb9, 0xd4, 0xf7, 0xc7, 0xa8, 0x99, 0x15,
-					0x1b, 0x9a, 0x47, 0x50, 0x32, 0xb6, 0x3f, 0xc3,
-					0x85, 0x24, 0x5f, 0xe0, 0x54, 0xe3, 0xdd, 0x5a,
-					0x97, 0xa5, 0xf5, 0x76, 0xfe, 0x06, 0x40, 0x25,
-					0xd3, 0xce, 0x04, 0x2c, 0x56, 0x6a, 0xb2, 0xc5,
-					0x07, 0xb1, 0x38, 0xdb, 0x85, 0x3e, 0x3d, 0x69,
-					0x59, 0x66, 0x09, 0x96, 0x54, 0x6c, 0xc9, 0xc4,
-					0xa6, 0xea, 0xfd, 0xc7, 0x77, 0xc0, 0x40, 0xd7,
-					0x0e, 0xaf, 0x46, 0xf7, 0x6d, 0xad, 0x39, 0x79,
-					0xe5, 0xc5, 0x36, 0x0c, 0x33, 0x17, 0x16, 0x6a,
-					0x1c, 0x89, 0x4c, 0x94, 0xa3, 0x71, 0x87, 0x6a,
-					0x94, 0xdf, 0x76, 0x28, 0xfe, 0x4e, 0xaa, 0xf2,
-					0xcc, 0xb2, 0x7d, 0x5a, 0xaa, 0xe0, 0xad, 0x7a,
-					0xd0, 0xf9, 0xd4, 0xb6, 0xad, 0x3b, 0x54, 0x09,
-					0x87, 0x46, 0xd4, 0x52, 0x4d, 0x38, 0x40, 0x7a,
-					0x6d, 0xeb, 0x3a, 0xb7, 0x8f, 0xab, 0x78, 0xc9,
-				),
 			},
-		);
+		];
 
 		for tv in test_vectors.iter() {
 			let mut c = ChaCha20::new(&tv.key, &tv.nonce);
@@ -616,13 +572,13 @@ mod test {
 		// using a 12-byte nonce, with the block starting at the counter offset given by the remaining 4
 		// bytes.
 		let key = [
-			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-			0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-			0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-			0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
+			0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
+			0x1c, 0x1d, 0x1e, 0x1f,
 		];
 		let nonce_16bytes = [
-			0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b
+			0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
+			0x0a, 0x0b,
 		];
 		let counter_pos = &nonce_16bytes[..4];
 		let nonce_12bytes = &nonce_16bytes[4..];
@@ -640,14 +596,13 @@ mod test {
 	#[test]
 	fn encrypt_single_block() {
 		let key = [
-			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-			0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-			0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-			0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
+			0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
+			0x1c, 0x1d, 0x1e, 0x1f,
 		];
 		let nonce = [
-			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
-			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
+			0x0e, 0x0f,
 		];
 		let bytes = [1; 32];
 
@@ -663,14 +618,13 @@ mod test {
 	#[test]
 	fn encrypt_single_block_in_place() {
 		let key = [
-			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-			0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-			0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-			0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
+			0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
+			0x1c, 0x1d, 0x1e, 0x1f,
 		];
 		let nonce = [
-			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
-			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
+			0x0e, 0x0f,
 		];
 		let unencrypted_bytes = [1; 32];
 		let mut bytes = unencrypted_bytes;
-- 
2.39.5