diff --git a/Libraries/LibCrypto/CMakeLists.txt b/Libraries/LibCrypto/CMakeLists.txt
index 8bd6619b57b..aa5c328a82a 100644
--- a/Libraries/LibCrypto/CMakeLists.txt
+++ b/Libraries/LibCrypto/CMakeLists.txt
@@ -30,6 +30,10 @@ set(SOURCES
     Curves/Ed448.cpp
     Curves/X25519.cpp
     Curves/X448.cpp
+    Hash/BLAKE2b.cpp
+    Hash/MD5.cpp
+    Hash/SHA1.cpp
+    Hash/SHA2.cpp
     NumberTheory/ModularFunctions.cpp
     PK/RSA.cpp
     PK/EC.cpp
diff --git a/Libraries/LibCrypto/Hash/BLAKE2b.cpp b/Libraries/LibCrypto/Hash/BLAKE2b.cpp
new file mode 100644
index 00000000000..f9a8ab0d38a
--- /dev/null
+++ b/Libraries/LibCrypto/Hash/BLAKE2b.cpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2025, Altomani Gianluca <altomanigianluca@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibCrypto/Hash/BLAKE2b.h>
+
+#include <openssl/evp.h>
+
+namespace Crypto::Hash {
+
+BLAKE2b::BLAKE2b(EVP_MD_CTX* context)
+    : OpenSSLHashFunction(EVP_blake2b512(), context)
+{
+}
+
+}
diff --git a/Libraries/LibCrypto/Hash/BLAKE2b.h b/Libraries/LibCrypto/Hash/BLAKE2b.h
index fddeec71919..cd1b37cdd02 100644
--- a/Libraries/LibCrypto/Hash/BLAKE2b.h
+++ b/Libraries/LibCrypto/Hash/BLAKE2b.h
@@ -15,10 +15,7 @@ class BLAKE2b final : public OpenSSLHashFunction<BLAKE2b, 1024, 512> {
     AK_MAKE_NONCOPYABLE(BLAKE2b);
 
 public:
-    explicit BLAKE2b(EVP_MD_CTX* context)
-        : OpenSSLHashFunction(EVP_blake2b512(), context)
-    {
-    }
+    explicit BLAKE2b(EVP_MD_CTX* context);
 
     virtual ByteString class_name() const override
     {
diff --git a/Libraries/LibCrypto/Hash/MD5.cpp b/Libraries/LibCrypto/Hash/MD5.cpp
new file mode 100644
index 00000000000..c33edaed8a6
--- /dev/null
+++ b/Libraries/LibCrypto/Hash/MD5.cpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2025, Altomani Gianluca <altomanigianluca@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibCrypto/Hash/MD5.h>
+
+#include <openssl/evp.h>
+
+namespace Crypto::Hash {
+
+MD5::MD5(EVP_MD_CTX* context)
+    : OpenSSLHashFunction(EVP_md5(), context)
+{
+}
+
+}
diff --git a/Libraries/LibCrypto/Hash/MD5.h b/Libraries/LibCrypto/Hash/MD5.h
index c1c92d2a1a9..c140b0fe52f 100644
--- a/Libraries/LibCrypto/Hash/MD5.h
+++ b/Libraries/LibCrypto/Hash/MD5.h
@@ -15,10 +15,7 @@ class MD5 final : public OpenSSLHashFunction<MD5, 512, 128> {
     AK_MAKE_NONCOPYABLE(MD5);
 
 public:
-    explicit MD5(EVP_MD_CTX* context)
-        : OpenSSLHashFunction(EVP_md5(), context)
-    {
-    }
+    explicit MD5(EVP_MD_CTX* context);
 
     virtual ByteString class_name() const override
     {
diff --git a/Libraries/LibCrypto/Hash/SHA1.cpp b/Libraries/LibCrypto/Hash/SHA1.cpp
new file mode 100644
index 00000000000..40e94fbf728
--- /dev/null
+++ b/Libraries/LibCrypto/Hash/SHA1.cpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2025, Altomani Gianluca <altomanigianluca@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibCrypto/Hash/SHA1.h>
+
+#include <openssl/evp.h>
+
+namespace Crypto::Hash {
+
+SHA1::SHA1(EVP_MD_CTX* context)
+    : OpenSSLHashFunction(EVP_sha1(), context)
+{
+}
+
+}
diff --git a/Libraries/LibCrypto/Hash/SHA1.h b/Libraries/LibCrypto/Hash/SHA1.h
index c695c8b39ea..3c50487a8f8 100644
--- a/Libraries/LibCrypto/Hash/SHA1.h
+++ b/Libraries/LibCrypto/Hash/SHA1.h
@@ -15,10 +15,7 @@ class SHA1 final : public OpenSSLHashFunction<SHA1, 512, 160> {
     AK_MAKE_NONCOPYABLE(SHA1);
 
 public:
-    explicit SHA1(EVP_MD_CTX* context)
-        : OpenSSLHashFunction(EVP_sha1(), context)
-    {
-    }
+    explicit SHA1(EVP_MD_CTX* context);
 
     virtual ByteString class_name() const override
     {
diff --git a/Libraries/LibCrypto/Hash/SHA2.cpp b/Libraries/LibCrypto/Hash/SHA2.cpp
new file mode 100644
index 00000000000..a19026022f7
--- /dev/null
+++ b/Libraries/LibCrypto/Hash/SHA2.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025, Altomani Gianluca <altomanigianluca@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibCrypto/Hash/SHA2.h>
+
+#include <openssl/evp.h>
+
+namespace Crypto::Hash {
+
+SHA256::SHA256(EVP_MD_CTX* context)
+    : OpenSSLHashFunction(EVP_sha256(), context)
+{
+}
+
+SHA384::SHA384(EVP_MD_CTX* context)
+    : OpenSSLHashFunction(EVP_sha384(), context)
+{
+}
+
+SHA512::SHA512(EVP_MD_CTX* context)
+    : OpenSSLHashFunction(EVP_sha512(), context)
+{
+}
+
+}
diff --git a/Libraries/LibCrypto/Hash/SHA2.h b/Libraries/LibCrypto/Hash/SHA2.h
index 5f715c47863..9fe597619bb 100644
--- a/Libraries/LibCrypto/Hash/SHA2.h
+++ b/Libraries/LibCrypto/Hash/SHA2.h
@@ -15,10 +15,7 @@ class SHA256 final : public OpenSSLHashFunction<SHA256, 512, 256> {
     AK_MAKE_NONCOPYABLE(SHA256);
 
 public:
-    explicit SHA256(EVP_MD_CTX* context)
-        : OpenSSLHashFunction(EVP_sha256(), context)
-    {
-    }
+    explicit SHA256(EVP_MD_CTX* context);
 
     virtual ByteString class_name() const override
     {
@@ -30,10 +27,7 @@ class SHA384 final : public OpenSSLHashFunction<SHA384, 1024, 384> {
     AK_MAKE_NONCOPYABLE(SHA384);
 
 public:
-    explicit SHA384(EVP_MD_CTX* context)
-        : OpenSSLHashFunction(EVP_sha384(), context)
-    {
-    }
+    explicit SHA384(EVP_MD_CTX* context);
 
     virtual ByteString class_name() const override
     {
@@ -45,10 +39,7 @@ class SHA512 final : public OpenSSLHashFunction<SHA512, 1024, 512> {
     AK_MAKE_NONCOPYABLE(SHA512);
 
 public:
-    explicit SHA512(EVP_MD_CTX* context)
-        : OpenSSLHashFunction(EVP_sha512(), context)
-    {
-    }
+    explicit SHA512(EVP_MD_CTX* context);
 
     virtual ByteString class_name() const override
     {