diff --git a/Cargo.toml b/Cargo.toml
index cb0b01e..c93e1c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cryptos"
-version = "0.0.1-alpha.2"
+version = "0.0.1-alpha.2-patch.1"
 edition = "2021"
 authors = ["ChisatoNishikigi73 <ChisatoNishikigi73@gmail.com>"]
 description = "All cryptographic in one, make crypto easy"
diff --git a/src/crypto/hash/md5/mod.rs b/src/crypto/hash/md5/mod.rs
index 43e03b5..7b513ed 100644
--- a/src/crypto/hash/md5/mod.rs
+++ b/src/crypto/hash/md5/mod.rs
@@ -1,5 +1,5 @@
 mod md5_base;
 mod md5_crypt;
 
-pub use md5_base::*;
-pub use md5_crypt::*;
+pub use md5_base::md5_base;
+pub use md5_crypt::md5_crypt;
diff --git a/src/crypto/hash/sha1/sha1.rs b/src/crypto/hash/sha1/sha1.rs
index 3a2cd92..f7512f7 100644
--- a/src/crypto/hash/sha1/sha1.rs
+++ b/src/crypto/hash/sha1/sha1.rs
@@ -5,7 +5,7 @@ const BLOCK_SIZE: usize = 64; // 512 bits = 64 bytes
 const HASH_SIZE: usize = 20; // 160 bits = 20 bytes
 
 /// Represents the SHA-1 hash algorithm state.
-pub struct Sha1 {
+struct Sha1 {
     state: [u32; 5],
     buffer: [u8; BLOCK_SIZE],
     buffer_len: usize,
diff --git a/src/crypto/hash/sha2/sha224.rs b/src/crypto/hash/sha2/sha224.rs
index 68c69ec..574139e 100644
--- a/src/crypto/hash/sha2/sha224.rs
+++ b/src/crypto/hash/sha2/sha224.rs
@@ -6,7 +6,7 @@ const BLOCK_SIZE: usize = 64; // 512 bits = 64 bytes
 const HASH_SIZE: usize = 28; // 224 bits = 28 bytes
 
 /// Represents the SHA-224 hash algorithm state.
-pub struct Sha224 {
+struct Sha224 {
     state: [u32; 8],
     buffer: [u8; BLOCK_SIZE],
     buffer_len: usize,
diff --git a/src/crypto/hash/sha2/sha256.rs b/src/crypto/hash/sha2/sha256.rs
index a0a69fc..c47c809 100644
--- a/src/crypto/hash/sha2/sha256.rs
+++ b/src/crypto/hash/sha2/sha256.rs
@@ -6,7 +6,7 @@ const BLOCK_SIZE: usize = 64; // 512 bits = 64 bytes
 const HASH_SIZE: usize = 32; // 256 bits = 32 bytes
 
 /// Represents the SHA-256 hash algorithm state.
-pub struct Sha256 {
+struct Sha256 {
     state: [u32; 8],
     buffer: [u8; BLOCK_SIZE],
     buffer_len: usize,
diff --git a/src/crypto/hash/sha2/sha384.rs b/src/crypto/hash/sha2/sha384.rs
index f4ab364..46df669 100644
--- a/src/crypto/hash/sha2/sha384.rs
+++ b/src/crypto/hash/sha2/sha384.rs
@@ -6,7 +6,7 @@ const BLOCK_SIZE: usize = 128; // 1024 bits = 128 bytes
 const HASH_SIZE: usize = 48; // 384 bits = 48 bytes
 
 /// Represents the SHA-384 hash algorithm state.
-pub struct Sha384 {
+struct Sha384 {
     state: [u64; 8],
     buffer: [u8; BLOCK_SIZE],
     buffer_len: usize,
diff --git a/src/crypto/hash/sha2/sha512.rs b/src/crypto/hash/sha2/sha512.rs
index 21fbae1..a49ac94 100644
--- a/src/crypto/hash/sha2/sha512.rs
+++ b/src/crypto/hash/sha2/sha512.rs
@@ -6,7 +6,7 @@ const BLOCK_SIZE: usize = 128; // 1024 bits = 128 bytes
 const HASH_SIZE: usize = 64; // 512 bits = 64 bytes
 
 /// Represents the SHA-512 hash algorithm state.
-pub struct Sha512 {
+struct Sha512 {
     state: [u64; 8],
     buffer: [u8; BLOCK_SIZE],
     buffer_len: usize,