/* ==================================================================== * Copyright (c) 2001-2011 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * [email protected]. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== */ #include <openssl/aes.h> #include <assert.h> #include <limits.h> #include <string.h> #include <openssl/mem.h> #include "../../internal.h" #include "../service_indicator/internal.h" // kDefaultIV is the default IV value given in RFC 3394, 2.2.3.1. static const uint8_t kDefaultIV[] = …; static const unsigned kBound = …; int AES_wrap_key(const AES_KEY *key, const uint8_t *iv, uint8_t *out, const uint8_t *in, size_t in_len) { … } // aes_unwrap_key_inner performs steps one and two from // https://tools.ietf.org/html/rfc3394#section-2.2.2 static int aes_unwrap_key_inner(const AES_KEY *key, uint8_t *out, uint8_t out_iv[8], const uint8_t *in, size_t in_len) { … } int AES_unwrap_key(const AES_KEY *key, const uint8_t *iv, uint8_t *out, const uint8_t *in, size_t in_len) { … } // kPaddingConstant is used in Key Wrap with Padding. See // https://tools.ietf.org/html/rfc5649#section-3 static const uint8_t kPaddingConstant[4] = …; int AES_wrap_key_padded(const AES_KEY *key, uint8_t *out, size_t *out_len, size_t max_out, const uint8_t *in, size_t in_len) { … } int AES_unwrap_key_padded(const AES_KEY *key, uint8_t *out, size_t *out_len, size_t max_out, const uint8_t *in, size_t in_len) { … }
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