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Revision 098f27f9ef8be2a418f76896ee3c824e8709fcf7 authored by Matt Caswell on 17 October 2023, 13:55:48 UTC, committed by Tomas Mraz on 19 October 2023, 09:54:44 UTC
Ignore ping deadline when calculating tick deadline if we can't send
If the CC TX allowance is zero then we cannot send a PING frame at the
moment, so do not take into account the ping deadline when calculating the
tick deadline in that case.

This avoids the hang found by the fuzzer mentioned in
https://github.com/openssl/openssl/pull/22368#issuecomment-1765131727

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22410)
1 parent 56e3032
Raw File
sm4_internal_test.c
/*
 * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
 * Copyright 2017 Ribose Inc. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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
 */

/*
 * Internal tests for the SM4 module.
 */

#include <string.h>
#include <openssl/opensslconf.h>
#include "testutil.h"

#ifndef OPENSSL_NO_SM4
# include "crypto/sm4.h"

static int test_sm4_ecb(void)
{
    static const uint8_t k[SM4_BLOCK_SIZE] = {
        0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
        0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
    };

    static const uint8_t input[SM4_BLOCK_SIZE] = {
        0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
        0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
    };

    /*
     * This test vector comes from Example 1 of GB/T 32907-2016,
     * and described in Internet Draft draft-ribose-cfrg-sm4-02.
     */
    static const uint8_t expected[SM4_BLOCK_SIZE] = {
        0x68, 0x1e, 0xdf, 0x34, 0xd2, 0x06, 0x96, 0x5e,
        0x86, 0xb3, 0xe9, 0x4f, 0x53, 0x6e, 0x42, 0x46
    };

    /*
     * This test vector comes from Example 2 from GB/T 32907-2016,
     * and described in Internet Draft draft-ribose-cfrg-sm4-02.
     * After 1,000,000 iterations.
     */
    static const uint8_t expected_iter[SM4_BLOCK_SIZE] = {
        0x59, 0x52, 0x98, 0xc7, 0xc6, 0xfd, 0x27, 0x1f,
        0x04, 0x02, 0xf8, 0x04, 0xc3, 0x3d, 0x3f, 0x66
    };

    int i;
    SM4_KEY key;
    uint8_t block[SM4_BLOCK_SIZE];

    ossl_sm4_set_key(k, &key);
    memcpy(block, input, SM4_BLOCK_SIZE);

    ossl_sm4_encrypt(block, block, &key);
    if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, expected, SM4_BLOCK_SIZE))
        return 0;

    for (i = 0; i != 999999; ++i)
        ossl_sm4_encrypt(block, block, &key);

    if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, expected_iter, SM4_BLOCK_SIZE))
        return 0;

    for (i = 0; i != 1000000; ++i)
        ossl_sm4_decrypt(block, block, &key);

    if (!TEST_mem_eq(block, SM4_BLOCK_SIZE, input, SM4_BLOCK_SIZE))
        return 0;

    return 1;
}
#endif

int setup_tests(void)
{
#ifndef OPENSSL_NO_SM4
    ADD_TEST(test_sm4_ecb);
#endif
    return 1;
}
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