lib: implement md4

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/md4_test.go b/lib/md4_test.go
new file mode 100644
index 0000000..31b7b31
--- /dev/null
+++ b/lib/md4_test.go
@@ -0,0 +1,58 @@
+// Copyright © 2021 rsiddharth <s@ricketyspace.net>
+// SPDX-License-Identifier: ISC
+
+package lib
+
+import "testing"
+
+func TestMd4Hash(t *testing.T) {
+	md4 := Md4{}
+	md4.Init([]uint32{})
+
+	// Test 1
+	m := "abc"
+	md4.Message(StrToBytes(m))
+	h := md4.Hash()
+	e := "a448017aaf21d8525fc10ae87aa6729d" // Expected hash.
+	if BytesToHexStr(h) != e {
+		t.Errorf("md4 test 1 failed: %x != %s\n", h, e)
+	}
+
+	// Test 2
+	m = "message digest"
+	md4.Message(StrToBytes(m))
+	h = md4.Hash()
+	e = "d9130a8164549fe818874806e1c7014b" // Expected hash.
+	if BytesToHexStr(h) != e {
+		t.Errorf("md4 test 2 failed: %x != %s\n", h, e)
+	}
+
+	// Test 3
+	m = "abcdefghijklmnopqrstuvwxyz"
+	md4.Message(StrToBytes(m))
+	h = md4.Hash()
+	e = "d79e1c308aa5bbcdeea8ed63df412da9" // Expected hash.
+	if BytesToHexStr(h) != e {
+		t.Errorf("md4 test 3 failed: %x != %s\n", h, e)
+	}
+
+	// Test 4
+	m = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
+	md4.Message(StrToBytes(m))
+	h = md4.Hash()
+	e = "043f8582f241db351ce627e153e7f0e4" // Expected hash.
+	if BytesToHexStr(h) != e {
+		t.Errorf("md4 test 4 failed: %x != %s\n", h, e)
+	}
+
+	// Test 5
+	m = "123456789012345678901234567890123456789012345678901234567890123456"
+	m += "78901234567890"
+	md4.Message(StrToBytes(m))
+	h = md4.Hash()
+	e = "e33b4ddc9c38f2199c3e7b164fcc0536" // Expected hash.
+	if BytesToHexStr(h) != e {
+		t.Errorf("md4 test 5 failed: %x != %s\n", h, e)
+	}
+
+}