Commit e6ed2b91 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

Add test/bio_enc_test.c. 



RT#4628

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
parent c1a7dcbe

test/bio_enc_test.c

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/*

 * Copyright 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 <string.h>

#include <openssl/evp.h>

#include <openssl/bio.h>



int main()

{

    BIO *b;

    static const unsigned char key[16] = { 0 };

    static unsigned char inp[1024] = { 0 };

    unsigned char out[1024], ref[1024];

    int i, lref, len;



    b = BIO_new(BIO_f_cipher());

    if (!BIO_set_cipher(b, EVP_camellia_128_ctr(), key, NULL, 0))

        return -1;

    BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

    lref = BIO_read(b, inp, sizeof(inp));

    BIO_free_all(b);



    /*

     * Exercise CBC cipher

     */



    /* reference output for single-chunk operation */

    b = BIO_new(BIO_f_cipher());

    if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0))

        return -1;

    BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

    lref = BIO_read(b, ref, sizeof(ref));

    BIO_free_all(b);



    /* perform split operations and compare to reference */

    for (i = 1; i < lref; i++) {

        b = BIO_new(BIO_f_cipher());

        if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0))

             return -1;

        BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

        memset(out, 0, sizeof(out));

        out[i] = ~ref[i];

        len = BIO_read(b, out, i);

        /* check for overstep */

        if (out[i] != (unsigned char)~ref[i]) {

            fprintf(stderr, "CBC output overstep@%d\n", i);

            return 1;

        }

        len += BIO_read(b, out + len, sizeof(out) - len);

        BIO_free_all(b);



        if (len != lref || memcmp(out, ref, len)) {

            fprintf(stderr, "CBC output mismatch@%d\n", i);

            return 2;

        }

    }



    /* perform small-chunk operations and compare to reference */

    for (i = 1; i < lref / 2; i++) {

        int delta;



        b = BIO_new(BIO_f_cipher());

        if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0))

             return -1;

        BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

        memset(out, 0, sizeof(out));

        for (len = 0; (delta = BIO_read(b, out + len, i)); ) {

            len += delta;

        }

        BIO_free_all(b);



        if (len != lref || memcmp(out, ref, len)) {

            fprintf(stderr, "CBC output mismatch@%d\n", i);

            return 3;

        }

    }



    /*

     * Exercise CTR cipher

     */



    /* reference output for single-chunk operation */

    b = BIO_new(BIO_f_cipher());

    if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0))

         return -1;

    BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

    lref = BIO_read(b, ref, sizeof(ref));

    BIO_free_all(b);



    /* perform split operations and compare to reference */

    for (i = 1; i < lref; i++) {

        b = BIO_new(BIO_f_cipher());

        if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0))

             return -1;

        BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

        memset(out, 0, sizeof(out));

        out[i] = ~ref[i];

        len = BIO_read(b, out, i);

        /* check for overstep */

        if (out[i] != (unsigned char)~ref[i]) {

            fprintf(stderr, "CTR output overstep@%d\n", i);

            return 4;

        }

        len += BIO_read(b, out + len, sizeof(out) - len);

        BIO_free_all(b);



        if (len != lref || memcmp(out, ref, len)) {

            fprintf(stderr, "CTR output mismatch@%d\n", i);

            return 5;

        }

    }



    /* perform small-chunk operations and compare to reference */

    for (i = 1; i < lref / 2; i++) {

        int delta;



        b = BIO_new(BIO_f_cipher());

        if (!BIO_set_cipher(b, EVP_aes_128_cbc(), key, NULL, 0))

             return -1;

        BIO_push(b, BIO_new_mem_buf(inp, sizeof(inp)));

        memset(out, 0, sizeof(out));

        for (len = 0; (delta = BIO_read(b, out + len, i)); ) {

            len += delta;

        }

        BIO_free_all(b);



        if (len != lref || memcmp(out, ref, len)) {

            fprintf(stderr, "CTR output mismatch@%d\n", i);

            return 6;

        }

    }



    return 0;

}

test/build.info

+5 −1
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ IF[{- !$disabled{tests} -}] 
          packettest asynctest secmemtest srptest memleaktest \

          dtlsv1listentest ct_test threadstest afalgtest d2i_test \

          ssl_test_ctx_test ssl_test x509aux cipherlist_test asynciotest \

          bioprinttest sslapitest dtlstest

          bioprinttest sslapitest dtlstest bio_enc_test



  SOURCE[aborttest]=aborttest.c

  INCLUDE[aborttest]=../include
@@ -270,6 +270,10 @@ IF[{- !$disabled{tests} -}] 
  SOURCE[dtlstest]=dtlstest.c ssltestlib.c testutil.c

  INCLUDE[dtlstest]=../include .

  DEPEND[dtlstest]=../libcrypto ../libssl



  SOURCE[bio_enc_test]=bio_enc_test.c

  INCLUDE[bio_enc_test]=../include

  DEPEND[bio_enc_test]=../libcrypto

ENDIF



{-

test/recipes/90-test_bio_enc.t

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#! /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_bio_enc", "bio_enc_test", "bio_enc");