add MD4 test data

Reviewed-by: NMatt Caswell <matt@openssl.org>

crypto/evp/evptests.txt

@@ -37,6 +37,28 @@ Digest = MD5
 Input = 3132333435363738393031323334353637383930313233343536373839303132333435363738393031323334353637383930313233343536373839303132333435363738393031323334353637383930
 Output = 57edf4a22be3c955ac49da2e2107b67a
 
+# MD4 tests from md4test.c
+Digest = MD4
+Input = ""
+Output = 31d6cfe0d16ae931b73c59d7e0c089c0
+Digest = MD4
+Input = "a"
+Output = bde52cb31de33e46245e05fbdbd6fb24
+Digest = MD4
+Input = "abc"
+Output = a448017aaf21d8525fc10ae87aa6729d
+Digest = MD4
+Input = "message digest"
+Output = d9130a8164549fe818874806e1c7014b
+Digest = MD4
+Input = "abcdefghijklmnopqrstuvwxyz"
+Output = d79e1c308aa5bbcdeea8ed63df412da9
+Digest = MD4
+Input = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
+Output = 043f8582f241db351ce627e153e7f0e4
+Digest = MD4
+Input = "12345678901234567890123456789012345678901234567890123456789012345678901234567890"
+Output = e33b4ddc9c38f2199c3e7b164fcc0536
 
 # AES 128 ECB tests (from FIPS-197 test vectors, encrypt)