/* Copyright (c) 2018, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include <openssl/pem.h>
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#include <gtest/gtest.h>
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/rsa.h>
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// Test that implausible ciphers, notably an IV-less RC4, aren't allowed in PEM.
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// This is a regression test for https://github.com/openssl/openssl/issues/6347,
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// though our fix differs from upstream.
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TEST(PEMTest, NoRC4) {
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static const char kPEM[] =
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"-----BEGIN RSA PUBLIC KEY-----\n"
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"Proc-Type: 4,ENCRYPTED\n"
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"DEK-Info: RC4 -\n"
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"extra-info\n"
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"router-signature\n"
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"\n"
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"Z1w=\n"
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"-----END RSA PUBLIC KEY-----\n";
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bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kPEM, sizeof(kPEM) - 1));
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ASSERT_TRUE(bio);
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bssl::UniquePtr<RSA> rsa(PEM_read_bio_RSAPublicKey(
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bio.get(), nullptr, nullptr, const_cast<char *>("password")));
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EXPECT_FALSE(rsa);
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uint32_t err = ERR_get_error();
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EXPECT_EQ(ERR_LIB_PEM, ERR_GET_LIB(err));
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EXPECT_EQ(PEM_R_UNSUPPORTED_ENCRYPTION, ERR_GET_REASON(err));
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}
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