diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5f4e911..6de323b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: stable
+      - run: make install_insta
       - run: make test
   # coverage:
   #   runs-on: ubuntu-20.04
diff --git a/Cargo.lock b/Cargo.lock
index caffc6e..c903a40 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -515,6 +515,18 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcf7ebe98d2f8eba5ecf08e7ffa74384eea74b35d2fdee7aa417cf3a9cbe658"
 
+[[package]]
+name = "console"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d79fbe8970a77e3e34151cc13d3b3e248aa0faaecb9f6091fa07ebefe5ad60"
+dependencies = [
+ "encode_unicode",
+ "lazy_static",
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.5"
@@ -659,6 +671,12 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
+[[package]]
+name = "encode_unicode"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
+
 [[package]]
 name = "env_logger"
 version = "0.10.0"
@@ -913,6 +931,19 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "insta"
+version = "1.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a28d25139df397cbca21408bb742cf6837e04cdbebf1b07b760caf971d6a972"
+dependencies = [
+ "console",
+ "lazy_static",
+ "linked-hash-map",
+ "similar",
+ "yaml-rust",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -980,6 +1011,12 @@ version = "0.2.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.1.4"
@@ -1492,6 +1529,12 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "similar"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "420acb44afdae038210c99e69aae24109f32f15500aa708e81d46c9f29d55fcf"
+
 [[package]]
 name = "simpleworks"
 version = "0.1.0"
@@ -1965,6 +2008,15 @@ dependencies = [
  "tap",
 ]
 
+[[package]]
+name = "yaml-rust"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
+dependencies = [
+ "linked-hash-map",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.5.7"
@@ -2010,6 +2062,7 @@ dependencies = [
  "criterion",
  "digest",
  "env_logger",
+ "insta",
  "log",
  "parking_lot",
  "pprof",
diff --git a/Cargo.toml b/Cargo.toml
index 884ad7e..75825ec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,6 +33,8 @@ rand = "0.8.5"
 log = "0.4"
 env_logger = "0.10.0"
 
+insta = "1.29"
+
 [profile.bench]
 opt-level = 3
 debug = false
diff --git a/Makefile b/Makefile
index 7675fa5..6acaebc 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,16 @@ clippy:
 	cargo clippy --all-targets --all-features -- -D warnings
 
 test:
-	cargo test
+	cargo insta test
 
 benchmarks:
 	cargo criterion --bench benchmark
+
+install_insta:
+	cargo install cargo-insta
+
+insta_demo:
+	cargo insta test --review -- test_aes_encryption_step_by_step
+
+clean_snapshots:
+	rm -rf tests/snapshots
diff --git a/tests/integration_tests.rs b/tests/integration_tests.rs
index 9383d66..22517de 100644
--- a/tests/integration_tests.rs
+++ b/tests/integration_tests.rs
@@ -20,17 +20,29 @@ mod tests {
         round: usize,
     ) {
         let after_substituting_bytes = substitute_bytes(&expected_start_of_round, cs).unwrap();
+        insta::assert_snapshot!(
+            format!("{after_substituting_bytes:?}"),
+            format!("{expected_after_substituting_bytes:?}")
+        );
         assert_eq!(
             after_substituting_bytes, expected_after_substituting_bytes,
             "Substitution is incorrect in round {round}"
         );
         let after_shift_rows = shift_rows(&after_substituting_bytes, cs).unwrap();
+        insta::assert_snapshot!(
+            format!("{after_shift_rows:?}"),
+            format!("{expected_after_shift_rows:?}")
+        );
         assert_eq!(
             after_shift_rows, expected_after_shift_rows,
             "Shift rows is incorrect in round {round}"
         );
         let after_mix_columns = if round != 10 {
             let after_mix_columns = mix_columns(&after_shift_rows).unwrap();
+            insta::assert_snapshot!(
+                format!("{after_mix_columns:?}"),
+                format!("{expected_after_mix_columns:?}")
+            );
             assert_eq!(
                 after_mix_columns, expected_after_mix_columns,
                 "Mix columns is incorrect in round {round}",
@@ -40,6 +52,10 @@ mod tests {
             after_shift_rows
         };
         let start_of_next_round = add_round_key(&after_mix_columns, round_key);
+        insta::assert_snapshot!(
+            format!("{start_of_next_round:?}"),
+            format!("{expected_start_of_next_round:?}")
+        );
         assert_eq!(
             start_of_next_round, expected_start_of_next_round,
             "Start of next round is incorrect in round {round}"
diff --git a/tests/snapshots/integration_tests__tests__[0, 81, 47, 209, 177, 200, 137, 255, 84, 118, 109, 205, 250, 27, 153, 234].snap.new b/tests/snapshots/integration_tests__tests__[0, 81, 47, 209, 177, 200, 137, 255, 84, 118, 109, 205, 250, 27, 153, 234].snap.new
new file mode 100644
index 0000000..d0ab0b4
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[0, 81, 47, 209, 177, 200, 137, 255, 84, 118, 109, 205, 250, 27, 153, 234].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[0, 81, 47, 209, 177, 200, 137, 255, 84, 118, 109, 205, 250, 27, 153, 234]
diff --git a/tests/snapshots/integration_tests__tests__[117, 236, 9, 147, 32, 11, 99, 51, 83, 192, 207, 124, 187, 37, 208, 220].snap.new b/tests/snapshots/integration_tests__tests__[117, 236, 9, 147, 32, 11, 99, 51, 83, 192, 207, 124, 187, 37, 208, 220].snap.new
new file mode 100644
index 0000000..19152f6
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[117, 236, 9, 147, 32, 11, 99, 51, 83, 192, 207, 124, 187, 37, 208, 220].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[117, 236, 9, 147, 32, 11, 99, 51, 83, 192, 207, 124, 187, 37, 208, 220]
diff --git a/tests/snapshots/integration_tests__tests__[135, 110, 70, 166, 242, 76, 231, 140, 77, 144, 74, 216, 151, 236, 195, 149].snap.new b/tests/snapshots/integration_tests__tests__[135, 110, 70, 166, 242, 76, 231, 140, 77, 144, 74, 216, 151, 236, 195, 149].snap.new
new file mode 100644
index 0000000..bc68125
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[135, 110, 70, 166, 242, 76, 231, 140, 77, 144, 74, 216, 151, 236, 195, 149].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[135, 110, 70, 166, 242, 76, 231, 140, 77, 144, 74, 216, 151, 236, 195, 149]
diff --git a/tests/snapshots/integration_tests__tests__[135, 236, 74, 140, 242, 110, 195, 216, 77, 76, 70, 149, 151, 144, 231, 166].snap.new b/tests/snapshots/integration_tests__tests__[135, 236, 74, 140, 242, 110, 195, 216, 77, 76, 70, 149, 151, 144, 231, 166].snap.new
new file mode 100644
index 0000000..fc2589c
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[135, 236, 74, 140, 242, 110, 195, 216, 77, 76, 70, 149, 151, 144, 231, 166].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[135, 236, 74, 140, 242, 110, 195, 216, 77, 76, 70, 149, 151, 144, 231, 166]
diff --git a/tests/snapshots/integration_tests__tests__[15, 214, 218, 169, 96, 49, 56, 191, 111, 192, 16, 107, 94, 179, 19, 1].snap.new b/tests/snapshots/integration_tests__tests__[15, 214, 218, 169, 96, 49, 56, 191, 111, 192, 16, 107, 94, 179, 19, 1].snap.new
new file mode 100644
index 0000000..4f85fc0
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[15, 214, 218, 169, 96, 49, 56, 191, 111, 192, 16, 107, 94, 179, 19, 1].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[15, 214, 218, 169, 96, 49, 56, 191, 111, 192, 16, 107, 94, 179, 19, 1]
diff --git a/tests/snapshots/integration_tests__tests__[161, 79, 61, 254, 120, 232, 3, 252, 16, 213, 168, 223, 76, 99, 41, 35].snap.new b/tests/snapshots/integration_tests__tests__[161, 79, 61, 254, 120, 232, 3, 252, 16, 213, 168, 223, 76, 99, 41, 35].snap.new
new file mode 100644
index 0000000..59198f9
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[161, 79, 61, 254, 120, 232, 3, 252, 16, 213, 168, 223, 76, 99, 41, 35].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[161, 79, 61, 254, 120, 232, 3, 252, 16, 213, 168, 223, 76, 99, 41, 35]
diff --git a/tests/snapshots/integration_tests__tests__[161, 99, 168, 252, 120, 79, 41, 223, 16, 232, 61, 35, 76, 213, 3, 254].snap.new b/tests/snapshots/integration_tests__tests__[161, 99, 168, 252, 120, 79, 41, 223, 16, 232, 61, 35, 76, 213, 3, 254].snap.new
new file mode 100644
index 0000000..14ff64f
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[161, 99, 168, 252, 120, 79, 41, 223, 16, 232, 61, 35, 76, 213, 3, 254].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[161, 99, 168, 252, 120, 79, 41, 223, 16, 232, 61, 35, 76, 213, 3, 254]
diff --git a/tests/snapshots/integration_tests__tests__[164, 156, 127, 242, 104, 159, 53, 43, 107, 91, 234, 67, 2, 106, 80, 73].snap.new b/tests/snapshots/integration_tests__tests__[164, 156, 127, 242, 104, 159, 53, 43, 107, 91, 234, 67, 2, 106, 80, 73].snap.new
new file mode 100644
index 0000000..d756655
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[164, 156, 127, 242, 104, 159, 53, 43, 107, 91, 234, 67, 2, 106, 80, 73].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[164, 156, 127, 242, 104, 159, 53, 43, 107, 91, 234, 67, 2, 106, 80, 73]
diff --git a/tests/snapshots/integration_tests__tests__[170, 143, 95, 3, 97, 221, 227, 239, 130, 210, 74, 210, 104, 50, 70, 154].snap.new b/tests/snapshots/integration_tests__tests__[170, 143, 95, 3, 97, 221, 227, 239, 130, 210, 74, 210, 104, 50, 70, 154].snap.new
new file mode 100644
index 0000000..094ade7
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[170, 143, 95, 3, 97, 221, 227, 239, 130, 210, 74, 210, 104, 50, 70, 154].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[170, 143, 95, 3, 97, 221, 227, 239, 130, 210, 74, 210, 104, 50, 70, 154]
diff --git a/tests/snapshots/integration_tests__tests__[172, 115, 207, 123, 239, 193, 17, 223, 19, 181, 214, 181, 69, 35, 90, 184].snap.new b/tests/snapshots/integration_tests__tests__[172, 115, 207, 123, 239, 193, 17, 223, 19, 181, 214, 181, 69, 35, 90, 184].snap.new
new file mode 100644
index 0000000..eb9eab9
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[172, 115, 207, 123, 239, 193, 17, 223, 19, 181, 214, 181, 69, 35, 90, 184].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[172, 115, 207, 123, 239, 193, 17, 223, 19, 181, 214, 181, 69, 35, 90, 184]
diff --git a/tests/snapshots/integration_tests__tests__[172, 193, 214, 184, 239, 181, 90, 123, 19, 35, 207, 223, 69, 115, 17, 181].snap.new b/tests/snapshots/integration_tests__tests__[172, 193, 214, 184, 239, 181, 90, 123, 19, 35, 207, 223, 69, 115, 17, 181].snap.new
new file mode 100644
index 0000000..c266219
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[172, 193, 214, 184, 239, 181, 90, 123, 19, 35, 207, 223, 69, 115, 17, 181].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[172, 193, 214, 184, 239, 181, 90, 123, 19, 35, 207, 223, 69, 115, 17, 181]
diff --git a/tests/snapshots/integration_tests__tests__[190, 131, 44, 200, 212, 59, 134, 192, 10, 225, 212, 77, 218, 100, 242, 254].snap.new b/tests/snapshots/integration_tests__tests__[190, 131, 44, 200, 212, 59, 134, 192, 10, 225, 212, 77, 218, 100, 242, 254].snap.new
new file mode 100644
index 0000000..5924bb6
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[190, 131, 44, 200, 212, 59, 134, 192, 10, 225, 212, 77, 218, 100, 242, 254].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[190, 131, 44, 200, 212, 59, 134, 192, 10, 225, 212, 77, 218, 100, 242, 254]
diff --git a/tests/snapshots/integration_tests__tests__[190, 59, 212, 254, 212, 225, 242, 200, 10, 100, 44, 192, 218, 131, 134, 77].snap.new b/tests/snapshots/integration_tests__tests__[190, 59, 212, 254, 212, 225, 242, 200, 10, 100, 44, 192, 218, 131, 134, 77].snap.new
new file mode 100644
index 0000000..9504822
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[190, 59, 212, 254, 212, 225, 242, 200, 10, 100, 44, 192, 218, 131, 134, 77].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[190, 59, 212, 254, 212, 225, 242, 200, 10, 100, 44, 192, 218, 131, 134, 77]
diff --git a/tests/snapshots/integration_tests__tests__[20, 21, 181, 191, 70, 22, 21, 236, 39, 70, 86, 215, 52, 42, 216, 67].snap.new b/tests/snapshots/integration_tests__tests__[20, 21, 181, 191, 70, 22, 21, 236, 39, 70, 86, 215, 52, 42, 216, 67].snap.new
new file mode 100644
index 0000000..51480ee
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[20, 21, 181, 191, 70, 22, 21, 236, 39, 70, 86, 215, 52, 42, 216, 67].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[20, 21, 181, 191, 70, 22, 21, 236, 39, 70, 86, 215, 52, 42, 216, 67]
diff --git a/tests/snapshots/integration_tests__tests__[212, 191, 93, 48, 224, 180, 82, 174, 184, 65, 17, 241, 30, 39, 152, 229].snap.new b/tests/snapshots/integration_tests__tests__[212, 191, 93, 48, 224, 180, 82, 174, 184, 65, 17, 241, 30, 39, 152, 229].snap.new
new file mode 100644
index 0000000..8d3d7b6
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[212, 191, 93, 48, 224, 180, 82, 174, 184, 65, 17, 241, 30, 39, 152, 229].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[212, 191, 93, 48, 224, 180, 82, 174, 184, 65, 17, 241, 30, 39, 152, 229]
diff --git a/tests/snapshots/integration_tests__tests__[212, 39, 17, 174, 224, 191, 152, 241, 184, 180, 93, 229, 30, 65, 82, 48].snap.new b/tests/snapshots/integration_tests__tests__[212, 39, 17, 174, 224, 191, 152, 241, 184, 180, 93, 229, 30, 65, 82, 48].snap.new
new file mode 100644
index 0000000..8f3cc66
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[212, 39, 17, 174, 224, 191, 152, 241, 184, 180, 93, 229, 30, 65, 82, 48].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[212, 39, 17, 174, 224, 191, 152, 241, 184, 180, 93, 229, 30, 65, 82, 48]
diff --git a/tests/snapshots/integration_tests__tests__[224, 146, 127, 232, 200, 99, 99, 192, 217, 177, 53, 80, 133, 184, 190, 1].snap.new b/tests/snapshots/integration_tests__tests__[224, 146, 127, 232, 200, 99, 99, 192, 217, 177, 53, 80, 133, 184, 190, 1].snap.new
new file mode 100644
index 0000000..148c294
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[224, 146, 127, 232, 200, 99, 99, 192, 217, 177, 53, 80, 133, 184, 190, 1].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[224, 146, 127, 232, 200, 99, 99, 192, 217, 177, 53, 80, 133, 184, 190, 1]
diff --git a/tests/snapshots/integration_tests__tests__[225, 251, 150, 124, 232, 200, 174, 155, 53, 108, 210, 186, 151, 79, 251, 83].snap.new b/tests/snapshots/integration_tests__tests__[225, 251, 150, 124, 232, 200, 174, 155, 53, 108, 210, 186, 151, 79, 251, 83].snap.new
new file mode 100644
index 0000000..d635de7
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[225, 251, 150, 124, 232, 200, 174, 155, 53, 108, 210, 186, 151, 79, 251, 83].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[225, 251, 150, 124, 232, 200, 174, 155, 53, 108, 210, 186, 151, 79, 251, 83]
diff --git a/tests/snapshots/integration_tests__tests__[225, 79, 210, 155, 232, 251, 251, 186, 53, 200, 150, 83, 151, 108, 174, 124].snap.new b/tests/snapshots/integration_tests__tests__[225, 79, 210, 155, 232, 251, 251, 186, 53, 200, 150, 83, 151, 108, 174, 124].snap.new
new file mode 100644
index 0000000..7dd549f
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[225, 79, 210, 155, 232, 251, 251, 186, 53, 200, 150, 83, 151, 108, 174, 124].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[225, 79, 210, 155, 232, 251, 251, 186, 53, 200, 150, 83, 151, 108, 174, 124]
diff --git a/tests/snapshots/integration_tests__tests__[233, 49, 125, 181, 203, 50, 44, 114, 61, 46, 137, 95, 175, 9, 7, 148].snap.new b/tests/snapshots/integration_tests__tests__[233, 49, 125, 181, 203, 50, 44, 114, 61, 46, 137, 95, 175, 9, 7, 148].snap.new
new file mode 100644
index 0000000..ce9e326
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[233, 49, 125, 181, 203, 50, 44, 114, 61, 46, 137, 95, 175, 9, 7, 148].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[233, 49, 125, 181, 203, 50, 44, 114, 61, 46, 137, 95, 175, 9, 7, 148]
diff --git a/tests/snapshots/integration_tests__tests__[233, 9, 137, 114, 203, 49, 7, 95, 61, 50, 125, 148, 175, 46, 44, 181].snap.new b/tests/snapshots/integration_tests__tests__[233, 9, 137, 114, 203, 49, 7, 95, 61, 50, 125, 148, 175, 46, 44, 181].snap.new
new file mode 100644
index 0000000..51a904d
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[233, 9, 137, 114, 203, 49, 7, 95, 61, 50, 125, 148, 175, 46, 44, 181].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[233, 9, 137, 114, 203, 49, 7, 95, 61, 50, 125, 148, 175, 46, 44, 181]
diff --git a/tests/snapshots/integration_tests__tests__[234, 131, 92, 240, 4, 69, 51, 45, 101, 93, 152, 173, 133, 150, 176, 197].snap.new b/tests/snapshots/integration_tests__tests__[234, 131, 92, 240, 4, 69, 51, 45, 101, 93, 152, 173, 133, 150, 176, 197].snap.new
new file mode 100644
index 0000000..352a3ce
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[234, 131, 92, 240, 4, 69, 51, 45, 101, 93, 152, 173, 133, 150, 176, 197].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[234, 131, 92, 240, 4, 69, 51, 45, 101, 93, 152, 173, 133, 150, 176, 197]
diff --git a/tests/snapshots/integration_tests__tests__[235, 64, 242, 30, 89, 46, 56, 132, 139, 161, 19, 231, 27, 195, 66, 210].snap.new b/tests/snapshots/integration_tests__tests__[235, 64, 242, 30, 89, 46, 56, 132, 139, 161, 19, 231, 27, 195, 66, 210].snap.new
new file mode 100644
index 0000000..bd8bdca
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[235, 64, 242, 30, 89, 46, 56, 132, 139, 161, 19, 231, 27, 195, 66, 210].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[235, 64, 242, 30, 89, 46, 56, 132, 139, 161, 19, 231, 27, 195, 66, 210]
diff --git a/tests/snapshots/integration_tests__tests__[241, 0, 111, 85, 193, 146, 76, 239, 124, 200, 139, 50, 93, 181, 213, 12].snap.new b/tests/snapshots/integration_tests__tests__[241, 0, 111, 85, 193, 146, 76, 239, 124, 200, 139, 50, 93, 181, 213, 12].snap.new
new file mode 100644
index 0000000..8a66343
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[241, 0, 111, 85, 193, 146, 76, 239, 124, 200, 139, 50, 93, 181, 213, 12].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[241, 0, 111, 85, 193, 146, 76, 239, 124, 200, 139, 50, 93, 181, 213, 12]
diff --git a/tests/snapshots/integration_tests__tests__[247, 131, 64, 63, 39, 67, 61, 240, 155, 181, 49, 255, 84, 171, 169, 211].snap.new b/tests/snapshots/integration_tests__tests__[247, 131, 64, 63, 39, 67, 61, 240, 155, 181, 49, 255, 84, 171, 169, 211].snap.new
new file mode 100644
index 0000000..f380c9f
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[247, 131, 64, 63, 39, 67, 61, 240, 155, 181, 49, 255, 84, 171, 169, 211].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[247, 131, 64, 63, 39, 67, 61, 240, 155, 181, 49, 255, 84, 171, 169, 211]
diff --git a/tests/snapshots/integration_tests__tests__[247, 171, 49, 240, 39, 131, 169, 255, 155, 67, 64, 211, 84, 181, 61, 63].snap.new b/tests/snapshots/integration_tests__tests__[247, 171, 49, 240, 39, 131, 169, 255, 155, 67, 64, 211, 84, 181, 61, 63].snap.new
new file mode 100644
index 0000000..1784f46
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[247, 171, 49, 240, 39, 131, 169, 255, 155, 67, 64, 211, 84, 181, 61, 63].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[247, 171, 49, 240, 39, 131, 169, 255, 155, 67, 64, 211, 84, 181, 61, 63]
diff --git a/tests/snapshots/integration_tests__tests__[37, 209, 169, 173, 189, 17, 209, 104, 182, 58, 51, 142, 76, 76, 192, 176].snap.new b/tests/snapshots/integration_tests__tests__[37, 209, 169, 173, 189, 17, 209, 104, 182, 58, 51, 142, 76, 76, 192, 176].snap.new
new file mode 100644
index 0000000..6efbcdd
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[37, 209, 169, 173, 189, 17, 209, 104, 182, 58, 51, 142, 76, 76, 192, 176].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[37, 209, 169, 173, 189, 17, 209, 104, 182, 58, 51, 142, 76, 76, 192, 176]
diff --git a/tests/snapshots/integration_tests__tests__[38, 14, 46, 23, 61, 65, 183, 125, 232, 100, 114, 169, 253, 210, 139, 37].snap.new b/tests/snapshots/integration_tests__tests__[38, 14, 46, 23, 61, 65, 183, 125, 232, 100, 114, 169, 253, 210, 139, 37].snap.new
new file mode 100644
index 0000000..e1aff2e
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[38, 14, 46, 23, 61, 65, 183, 125, 232, 100, 114, 169, 253, 210, 139, 37].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[38, 14, 46, 23, 61, 65, 183, 125, 232, 100, 114, 169, 253, 210, 139, 37]
diff --git a/tests/snapshots/integration_tests__tests__[4, 102, 129, 229, 224, 203, 25, 154, 72, 248, 211, 122, 40, 6, 38, 76].snap.new b/tests/snapshots/integration_tests__tests__[4, 102, 129, 229, 224, 203, 25, 154, 72, 248, 211, 122, 40, 6, 38, 76].snap.new
new file mode 100644
index 0000000..bbcb4c5
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[4, 102, 129, 229, 224, 203, 25, 154, 72, 248, 211, 122, 40, 6, 38, 76].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[4, 102, 129, 229, 224, 203, 25, 154, 72, 248, 211, 122, 40, 6, 38, 76]
diff --git a/tests/snapshots/integration_tests__tests__[57, 37, 132, 29, 2, 220, 9, 251, 220, 17, 133, 151, 25, 106, 11, 50].snap.new b/tests/snapshots/integration_tests__tests__[57, 37, 132, 29, 2, 220, 9, 251, 220, 17, 133, 151, 25, 106, 11, 50].snap.new
new file mode 100644
index 0000000..54662d0
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[57, 37, 132, 29, 2, 220, 9, 251, 220, 17, 133, 151, 25, 106, 11, 50].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[57, 37, 132, 29, 2, 220, 9, 251, 220, 17, 133, 151, 25, 106, 11, 50]
diff --git a/tests/snapshots/integration_tests__tests__[71, 55, 148, 237, 64, 212, 228, 165, 163, 112, 58, 166, 76, 159, 66, 188].snap.new b/tests/snapshots/integration_tests__tests__[71, 55, 148, 237, 64, 212, 228, 165, 163, 112, 58, 166, 76, 159, 66, 188].snap.new
new file mode 100644
index 0000000..dca7ca2
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[71, 55, 148, 237, 64, 212, 228, 165, 163, 112, 58, 166, 76, 159, 66, 188].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[71, 55, 148, 237, 64, 212, 228, 165, 163, 112, 58, 166, 76, 159, 66, 188]
diff --git a/tests/snapshots/integration_tests__tests__[72, 108, 78, 238, 103, 29, 157, 13, 77, 227, 177, 56, 214, 95, 88, 231].snap.new b/tests/snapshots/integration_tests__tests__[72, 108, 78, 238, 103, 29, 157, 13, 77, 227, 177, 56, 214, 95, 88, 231].snap.new
new file mode 100644
index 0000000..e800171
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[72, 108, 78, 238, 103, 29, 157, 13, 77, 227, 177, 56, 214, 95, 88, 231].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[72, 108, 78, 238, 103, 29, 157, 13, 77, 227, 177, 56, 214, 95, 88, 231]
diff --git a/tests/snapshots/integration_tests__tests__[73, 219, 135, 59, 69, 57, 83, 137, 127, 2, 210, 241, 119, 222, 150, 26].snap.new b/tests/snapshots/integration_tests__tests__[73, 219, 135, 59, 69, 57, 83, 137, 127, 2, 210, 241, 119, 222, 150, 26].snap.new
new file mode 100644
index 0000000..5e4caf6
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[73, 219, 135, 59, 69, 57, 83, 137, 127, 2, 210, 241, 119, 222, 150, 26].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[73, 219, 135, 59, 69, 57, 83, 137, 127, 2, 210, 241, 119, 222, 150, 26]
diff --git a/tests/snapshots/integration_tests__tests__[73, 222, 210, 137, 69, 219, 150, 241, 127, 57, 135, 26, 119, 2, 83, 59].snap.new b/tests/snapshots/integration_tests__tests__[73, 222, 210, 137, 69, 219, 150, 241, 127, 57, 135, 26, 119, 2, 83, 59].snap.new
new file mode 100644
index 0000000..e3a17db
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[73, 222, 210, 137, 69, 219, 150, 241, 127, 57, 135, 26, 119, 2, 83, 59].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[73, 222, 210, 137, 69, 219, 150, 241, 127, 57, 135, 26, 119, 2, 83, 59]
diff --git a/tests/snapshots/integration_tests__tests__[75, 134, 141, 109, 44, 74, 137, 128, 51, 157, 244, 232, 55, 210, 24, 216].snap.new b/tests/snapshots/integration_tests__tests__[75, 134, 141, 109, 44, 74, 137, 128, 51, 157, 244, 232, 55, 210, 24, 216].snap.new
new file mode 100644
index 0000000..6bafe51
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[75, 134, 141, 109, 44, 74, 137, 128, 51, 157, 244, 232, 55, 210, 24, 216].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[75, 134, 141, 109, 44, 74, 137, 128, 51, 157, 244, 232, 55, 210, 24, 216]
diff --git a/tests/snapshots/integration_tests__tests__[82, 164, 200, 148, 133, 17, 106, 40, 227, 207, 47, 215, 246, 80, 94, 7].snap.new b/tests/snapshots/integration_tests__tests__[82, 164, 200, 148, 133, 17, 106, 40, 227, 207, 47, 215, 246, 80, 94, 7].snap.new
new file mode 100644
index 0000000..e7351e5
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[82, 164, 200, 148, 133, 17, 106, 40, 227, 207, 47, 215, 246, 80, 94, 7].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 32
+expression: "format!(\"{expected_after_shift_rows:?}\")"
+---
+[82, 164, 200, 148, 133, 17, 106, 40, 227, 207, 47, 215, 246, 80, 94, 7]
diff --git a/tests/snapshots/integration_tests__tests__[82, 80, 47, 40, 133, 164, 94, 215, 227, 17, 200, 7, 246, 207, 106, 148].snap.new b/tests/snapshots/integration_tests__tests__[82, 80, 47, 40, 133, 164, 94, 215, 227, 17, 200, 7, 246, 207, 106, 148].snap.new
new file mode 100644
index 0000000..4d34466
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[82, 80, 47, 40, 133, 164, 94, 215, 227, 17, 200, 7, 246, 207, 106, 148].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 23
+expression: "format!(\"{expected_after_substituting_bytes:?}\")"
+---
+[82, 80, 47, 40, 133, 164, 94, 215, 227, 17, 200, 7, 246, 207, 106, 148]
diff --git a/tests/snapshots/integration_tests__tests__[88, 77, 202, 241, 27, 75, 90, 172, 219, 231, 202, 168, 27, 107, 176, 229].snap.new b/tests/snapshots/integration_tests__tests__[88, 77, 202, 241, 27, 75, 90, 172, 219, 231, 202, 168, 27, 107, 176, 229].snap.new
new file mode 100644
index 0000000..3cd5c2a
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[88, 77, 202, 241, 27, 75, 90, 172, 219, 231, 202, 168, 27, 107, 176, 229].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 42
+expression: "format!(\"{expected_after_mix_columns:?}\")"
+---
+[88, 77, 202, 241, 27, 75, 90, 172, 219, 231, 202, 168, 27, 107, 176, 229]
diff --git a/tests/snapshots/integration_tests__tests__[90, 65, 66, 177, 25, 73, 220, 31, 163, 224, 25, 101, 122, 140, 4, 12].snap.new b/tests/snapshots/integration_tests__tests__[90, 65, 66, 177, 25, 73, 220, 31, 163, 224, 25, 101, 122, 140, 4, 12].snap.new
new file mode 100644
index 0000000..14b071a
--- /dev/null
+++ b/tests/snapshots/integration_tests__tests__[90, 65, 66, 177, 25, 73, 220, 31, 163, 224, 25, 101, 122, 140, 4, 12].snap.new	
@@ -0,0 +1,6 @@
+---
+source: tests/integration_tests.rs
+assertion_line: 55
+expression: "format!(\"{expected_start_of_next_round:?}\")"
+---
+[90, 65, 66, 177, 25, 73, 220, 31, 163, 224, 25, 101, 122, 140, 4, 12]