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/*
* Copyright 2026 The OpenSSL Project Authors. 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 may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
/*
* Test PKCS12 parsing with fuzzed input.
*/
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/pkcs12.h>
#include <openssl/x509.h>
#include "fuzzer.h"
int FuzzerInitialize(int *argc, char ***argv)
{
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
ERR_clear_error();
CRYPTO_free_ex_index(0, -1);
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
PKCS12 *p12;
BIO *in;
EVP_PKEY *pkey = NULL;
X509 *cert = NULL;
STACK_OF(X509) *ca = NULL;
if (len == 0 || len > INT_MAX)
return 0;
in = BIO_new(BIO_s_mem());
if (in == NULL) {
ERR_clear_error();
return 0;
}
if ((size_t)BIO_write(in, buf, (int)len) != len) {
BIO_free(in);
ERR_clear_error();
return 0;
}
p12 = d2i_PKCS12_bio(in, NULL);
if (p12 != NULL) {
PKCS12_verify_mac(p12, NULL, 0);
PKCS12_verify_mac(p12, "", 0);
PKCS12_parse(p12, NULL, &pkey, &cert, &ca);
EVP_PKEY_free(pkey);
X509_free(cert);
OSSL_STACK_OF_X509_free(ca);
pkey = NULL;
cert = NULL;
ca = NULL;
PKCS12_parse(p12, "", &pkey, &cert, &ca);
EVP_PKEY_free(pkey);
X509_free(cert);
OSSL_STACK_OF_X509_free(ca);
PKCS12_free(p12);
}
BIO_free(in);
ERR_clear_error();
return 0;
}
void FuzzerCleanup(void)
{
}
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