diff --git a/rust_bindings/build.rs b/rust_bindings/build.rs
index 9a804a5..e25ded8 100644
--- a/rust_bindings/build.rs
+++ b/rust_bindings/build.rs
@@ -1,3 +1,28 @@
+/*
+MIT License
+
+Copyright (c) 2021-2024 Prysmatic Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+
 use std::env;
 use std::path::PathBuf;
 use std::process::Command;
diff --git a/rust_bindings/examples/basic_usage.rs b/rust_bindings/examples/basic_usage.rs
index 45539f1..e1c5b2f 100644
--- a/rust_bindings/examples/basic_usage.rs
+++ b/rust_bindings/examples/basic_usage.rs
@@ -1,3 +1,28 @@
+/*
+MIT License
+
+Copyright (c) 2021-2024 Prysmatic Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+
 extern crate hashtree_rs;
 
 fn main() {
diff --git a/rust_bindings/src/lib.rs b/rust_bindings/src/lib.rs
index acefb70..18da110 100644
--- a/rust_bindings/src/lib.rs
+++ b/rust_bindings/src/lib.rs
@@ -6,6 +6,31 @@
 //! considered as chunks of 64 bytes each, and another slice where the digests of each chunk will
 //! be written consecutively
 //!
+
+/*
+MIT License
+
+Copyright (c) 2021-2024 Prysmatic Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
 extern crate libc;
 use libc::c_int;
 use std::ptr;
diff --git a/src/hashtree.c b/src/hashtree.c
index da88271..97769a7 100644
--- a/src/hashtree.c
+++ b/src/hashtree.c
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021-2023 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/hashtree.h b/src/hashtree.h
index d39cd4e..67f7582 100644
--- a/src/hashtree.h
+++ b/src/hashtree.h
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021-2023 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/sha256_armv8_crypto.S b/src/sha256_armv8_crypto.S
index b97f56f..4893cb2 100644
--- a/src/sha256_armv8_crypto.S
+++ b/src/sha256_armv8_crypto.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021-2023 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/sha256_armv8_neon_x1.S b/src/sha256_armv8_neon_x1.S
index df598b3..6d278b9 100644
--- a/src/sha256_armv8_neon_x1.S
+++ b/src/sha256_armv8_neon_x1.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/sha256_armv8_neon_x4.S b/src/sha256_armv8_neon_x4.S
index 7a2007a..5524c37 100644
--- a/src/sha256_armv8_neon_x4.S
+++ b/src/sha256_armv8_neon_x4.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/sha256_avx_x1.S b/src/sha256_avx_x1.S
index ff5ee1a..98910c0 100644
--- a/src/sha256_avx_x1.S
+++ b/src/sha256_avx_x1.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -23,8 +23,8 @@ SOFTWARE.
 
 This code is based on Intel's implementation found in
 	https://github.com/intel/intel-ipsec-mb
-Copied parts are
-	Copyright (c) 2012-2021, Intel Corporation
+Such software is licensed under the BSD 3-Clause License and is 
+Copyright (c) 2012-2023, Intel Corporation
 */
 
 #ifdef __x86_64__
diff --git a/src/sha256_avx_x16.S b/src/sha256_avx_x16.S
index d67eae7..8bdff6b 100644
--- a/src/sha256_avx_x16.S
+++ b/src/sha256_avx_x16.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -23,8 +23,8 @@ SOFTWARE.
 
 This code is based on Intel's implementation found in
 	https://github.com/intel/intel-ipsec-mb
-Copied parts are
-	Copyright (c) 2012-2021, Intel Corporation
+Such software is licensed under the BSD 3-Clause License and is 
+Copyright (c) 2012-2023, Intel Corporation
 */
 
 #ifdef __x86_64__
diff --git a/src/sha256_avx_x4.S b/src/sha256_avx_x4.S
index 345191e..fe7fbe9 100644
--- a/src/sha256_avx_x4.S
+++ b/src/sha256_avx_x4.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -23,8 +23,8 @@ SOFTWARE.
 
 This code is based on Intel's implementation found in
 	https://github.com/intel/intel-ipsec-mb
-Copied parts are
-	Copyright (c) 2012-2021, Intel Corporation
+Such software is licensed under the BSD 3-Clause License and is 
+Copyright (c) 2012-2023, Intel Corporation
 */
 
 #ifdef __x86_64__
diff --git a/src/sha256_avx_x8.S b/src/sha256_avx_x8.S
index a9fe4da..7daa173 100644
--- a/src/sha256_avx_x8.S
+++ b/src/sha256_avx_x8.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -23,8 +23,8 @@ SOFTWARE.
 
 This code is based on Intel's implementation found in
 	https://github.com/intel/intel-ipsec-mb
-Copied parts are
-	Copyright (c) 2012-2021, Intel Corporation
+Such software is licensed under the BSD 3-Clause License and is 
+Copyright (c) 2012-2023, Intel Corporation
 */
 
 #ifdef __x86_64__
diff --git a/src/sha256_shani.S b/src/sha256_shani.S
index 6599e02..8b67017 100644
--- a/src/sha256_shani.S
+++ b/src/sha256_shani.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/sha256_sse_x1.S b/src/sha256_sse_x1.S
index 05d92b1..460e841 100644
--- a/src/sha256_sse_x1.S
+++ b/src/sha256_sse_x1.S
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2021 Prysmatic Labs
+Copyright (c) 2021-2024 Prysmatic Labs
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/test.c b/src/test.c
index b6d0038..98ed510 100644
--- a/src/test.c
+++ b/src/test.c
@@ -1,7 +1,7 @@
 /*
    MIT License
 
-   Copyright (c) 2021 Prysmatic Labs
+   Copyright (c) 2021-2024 Prysmatic Labs
 
    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal