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/* Copyright (c) 2018, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/pem.h>
#include <gtest/gtest.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/rsa.h>
#include "../test/test_util.h"
// Test that implausible ciphers, notably an IV-less RC4, aren't allowed in PEM.
// This is a regression test for https://github.com/openssl/openssl/issues/6347,
// though our fix differs from upstream.
TEST(PEMTest, NoRC4) {
static const char kPEM[] =
"-----BEGIN RSA PUBLIC KEY-----\n"
"Proc-Type: 4,ENCRYPTED\n"
"DEK-Info: RC4 -\n"
"extra-info\n"
"router-signature\n"
"\n"
"Z1w=\n"
"-----END RSA PUBLIC KEY-----\n";
bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kPEM, sizeof(kPEM) - 1));
ASSERT_TRUE(bio);
bssl::UniquePtr<RSA> rsa(PEM_read_bio_RSAPublicKey(
bio.get(), nullptr, nullptr, const_cast<char *>("password")));
EXPECT_FALSE(rsa);
EXPECT_TRUE(
ErrorEquals(ERR_get_error(), ERR_LIB_PEM, PEM_R_UNSUPPORTED_ENCRYPTION));
}
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