Revert rc4test removal, it performs additional tests not in evptests.txt

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2789)

test/build.info

@@ -16,7 +16,7 @@ IF[{- !$disabled{tests} -}]
           ectest ecdsatest ecdhtest gmdifftest pbelutest ideatest \
           md2test \
           hmactest \
-          rc2test rc5test \
+          rc2test rc4test rc5test \
           destest sha1test sha256t sha512t \
           mdc2test \
           randtest dhtest enginetest casttest \

test/evptests.txt

@@ -957,7 +957,7 @@ Plaintext = 37363534333231204E6F77206973207468652074696D6520666F722000000000
 Ciphertext = 3FE301C962AC01D02213763C1CBD4CDC799657C064ECF5D41C673812CFDE9675
 
 
-# RC4 tests
+# RC4 tests (from rc4test)
 Cipher = RC4
 Key = 0123456789abcdef0123456789abcdef
 Plaintext = 0123456789abcdef

test/rc4test.c

@@ -0,0 +1,175 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../e_os.h"
+
+#ifdef OPENSSL_NO_RC4
+int main(int argc, char *argv[])
+{
+    printf("No RC4 support\n");
+    return (0);
+}
+#else
+# include <openssl/rc4.h>
+# include <openssl/sha.h>
+
+static unsigned char keys[7][30] = {
+    {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+    {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+    {8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+    {4, 0xef, 0x01, 0x23, 0x45},
+    {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef},
+    {4, 0xef, 0x01, 0x23, 0x45},
+};
+
+static unsigned char data_len[7] = { 8, 8, 8, 20, 28, 10 };
+
+static unsigned char data[7][30] = {
+    {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xff},
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+     0x00, 0x00, 0x00, 0x00, 0xff},
+    {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
+     0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
+     0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0,
+     0x12, 0x34, 0x56, 0x78, 0xff},
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff},
+    {0},
+};
+
+static unsigned char output[7][30] = {
+    {0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96, 0x00},
+    {0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79, 0x00},
+    {0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a, 0x00},
+    {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf,
+     0xbd, 0x61, 0x5a, 0x11, 0x62, 0xe1, 0xc7, 0xba,
+     0x36, 0xb6, 0x78, 0x58, 0x00},
+    {0x66, 0xa0, 0x94, 0x9f, 0x8a, 0xf7, 0xd6, 0x89,
+     0x1f, 0x7f, 0x83, 0x2b, 0xa8, 0x33, 0xc0, 0x0c,
+     0x89, 0x2e, 0xbe, 0x30, 0x14, 0x3c, 0xe2, 0x87,
+     0x40, 0x01, 0x1e, 0xcf, 0x00},
+    {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61, 0x00},
+    {0},
+};
+
+int main(int argc, char *argv[])
+{
+    int i, err = 0;
+    int j;
+    unsigned char *p;
+    RC4_KEY key;
+    unsigned char obuf[512];
+
+    for (i = 0; i < 6; i++) {
+        RC4_set_key(&key, keys[i][0], &(keys[i][1]));
+        memset(obuf, 0, sizeof(obuf));
+        RC4(&key, data_len[i], &(data[i][0]), obuf);
+        if (memcmp(obuf, output[i], data_len[i] + 1) != 0) {
+            printf("error calculating RC4\n");
+            printf("output:");
+            for (j = 0; j < data_len[i] + 1; j++)
+                printf(" %02x", obuf[j]);
+            printf("\n");
+            printf("expect:");
+            p = &(output[i][0]);
+            for (j = 0; j < data_len[i] + 1; j++)
+                printf(" %02x", *(p++));
+            printf("\n");
+            err++;
+        } else
+            printf("test %d ok\n", i);
+    }
+    printf("test end processing ");
+    for (i = 0; i < data_len[3]; i++) {
+        RC4_set_key(&key, keys[3][0], &(keys[3][1]));
+        memset(obuf, 0, sizeof(obuf));
+        RC4(&key, i, &(data[3][0]), obuf);
+        if ((memcmp(obuf, output[3], i) != 0) || (obuf[i] != 0)) {
+            printf("error in RC4 length processing\n");
+            printf("output:");
+            for (j = 0; j < i + 1; j++)
+                printf(" %02x", obuf[j]);
+            printf("\n");
+            printf("expect:");
+            p = &(output[3][0]);
+            for (j = 0; j < i; j++)
+                printf(" %02x", *(p++));
+            printf(" 00\n");
+            err++;
+        } else {
+            printf(".");
+            fflush(stdout);
+        }
+    }
+    printf("done\n");
+    printf("test multi-call ");
+    for (i = 0; i < data_len[3]; i++) {
+        RC4_set_key(&key, keys[3][0], &(keys[3][1]));
+        memset(obuf, 0, sizeof(obuf));
+        RC4(&key, i, &(data[3][0]), obuf);
+        RC4(&key, data_len[3] - i, &(data[3][i]), &(obuf[i]));
+        if (memcmp(obuf, output[3], data_len[3] + 1) != 0) {
+            printf("error in RC4 multi-call processing\n");
+            printf("output:");
+            for (j = 0; j < data_len[3] + 1; j++)
+                printf(" %02x", obuf[j]);
+            printf("\n");
+            printf("expect:");
+            p = &(output[3][0]);
+            for (j = 0; j < data_len[3] + 1; j++)
+                printf(" %02x", *(p++));
+            err++;
+        } else {
+            printf(".");
+            fflush(stdout);
+        }
+    }
+    printf("done\n");
+    printf("bulk test ");
+    {
+        unsigned char buf[513];
+        SHA_CTX c;
+        unsigned char md[SHA_DIGEST_LENGTH];
+        static unsigned char expected[] = {
+            0xa4, 0x7b, 0xcc, 0x00, 0x3d, 0xd0, 0xbd, 0xe1, 0xac, 0x5f,
+            0x12, 0x1e, 0x45, 0xbc, 0xfb, 0x1a, 0xa1, 0xf2, 0x7f, 0xc5
+        };
+
+        RC4_set_key(&key, keys[0][0], &(keys[3][1]));
+        memset(buf, 0, sizeof(buf));
+        SHA1_Init(&c);
+        for (i = 0; i < 2571; i++) {
+            RC4(&key, sizeof(buf), buf, buf);
+            SHA1_Update(&c, buf, sizeof(buf));
+        }
+        SHA1_Final(md, &c);
+
+        if (memcmp(md, expected, sizeof(md))) {
+            printf("error in RC4 bulk test\n");
+            printf("output:");
+            for (j = 0; j < (int)sizeof(md); j++)
+                printf(" %02x", md[j]);
+            printf("\n");
+            printf("expect:");
+            for (j = 0; j < (int)sizeof(md); j++)
+                printf(" %02x", expected[j]);
+            printf("\n");
+            err++;
+        } else
+            printf("ok\n");
+    }
+    EXIT(err);
+}
+#endif

test/recipes/05-test_rc4.t

@@ -0,0 +1,11 @@
+#! /usr/bin/env perl
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+use OpenSSL::Test::Simple;
+
+simple_test("test_rc4", "rc4test", "rc4");