17cf2cb1d2
Most C standard library functions are undefined if passed NULL, even when the corresponding length is zero. This gives them (and, in turn, all functions which call them) surprising behavior on empty arrays. Some compilers will miscompile code due to this rule. See also https://www.imperialviolet.org/2016/06/26/nonnull.html Add OPENSSL_memcpy, etc., wrappers which avoid this problem. BUG=23 Change-Id: I95f42b23e92945af0e681264fffaf578e7f8465e Reviewed-on: https://boringssl-review.googlesource.com/12928 Commit-Queue: David Benjamin <davidben@google.com> Reviewed-by: Adam Langley <agl@google.com>
426 lines
16 KiB
C++
426 lines
16 KiB
C++
/* ====================================================================
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* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ==================================================================== */
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/* Per C99, various stdint.h and inttypes.h macros (the latter used by
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* internal.h) are unavailable in C++ unless some macros are defined. C++11
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* overruled this decision, but older Android NDKs still require it. */
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#if !defined(__STDC_CONSTANT_MACROS)
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#define __STDC_CONSTANT_MACROS
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <openssl/aes.h>
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#include <openssl/crypto.h>
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#include <openssl/mem.h>
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#include "internal.h"
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#include "../test/test_util.h"
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struct test_case {
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const char *key;
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const char *plaintext;
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const char *additional_data;
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const char *nonce;
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const char *ciphertext;
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const char *tag;
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};
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static const struct test_case test_cases[] = {
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{
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"00000000000000000000000000000000",
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NULL,
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NULL,
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"000000000000000000000000",
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NULL,
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"58e2fccefa7e3061367f1d57a4e7455a",
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},
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{
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"00000000000000000000000000000000",
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"00000000000000000000000000000000",
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NULL,
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"000000000000000000000000",
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"0388dace60b6a392f328c2b971b2fe78",
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"ab6e47d42cec13bdf53a67b21257bddf",
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},
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{
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"feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
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NULL,
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"cafebabefacedbaddecaf888",
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"42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f5985",
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"4d5c2af327cd64a62cf35abd2ba6fab4",
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},
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{
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"feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbaddecaf888",
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"42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091",
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"5bc94fbc3221a5db94fae95ae7121a47",
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},
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{
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"feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbad",
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"61353b4c2806934a777ff51fa22a4755699b2a714fcdc6f83766e5f97b6c742373806900e49f24b22b097544d4896b424989b5e1ebac0f07c23f4598",
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"3612d2e79e3b0785561be14aaca2fccb",
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},
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{
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"feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"9313225df88406e555909c5aff5269aa6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b525416aedbf5a0de6a57a637b39b",
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"8ce24998625615b603a033aca13fb894be9112a5c3a211a8ba262a3cca7e2ca701e4a9a4fba43c90ccdcb281d48c7c6fd62875d2aca417034c34aee5",
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"619cc5aefffe0bfa462af43c1699d050",
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},
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{
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"000000000000000000000000000000000000000000000000",
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NULL,
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NULL,
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"000000000000000000000000",
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NULL,
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"cd33b28ac773f74ba00ed1f312572435",
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},
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{
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"000000000000000000000000000000000000000000000000",
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"00000000000000000000000000000000",
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NULL,
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"000000000000000000000000",
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"98e7247c07f0fe411c267e4384b0f600",
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"2ff58d80033927ab8ef4d4587514f0fb",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
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NULL,
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"cafebabefacedbaddecaf888",
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"3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710acade256",
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"9924a7c8587336bfb118024db8674a14",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbaddecaf888",
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"3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710",
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"2519498e80f1478f37ba55bd6d27618c",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbad",
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"0f10f599ae14a154ed24b36e25324db8c566632ef2bbb34f8347280fc4507057fddc29df9a471f75c66541d4d4dad1c9e93a19a58e8b473fa0f062f7",
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"65dcc57fcf623a24094fcca40d3533f8",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbad",
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"0f10f599ae14a154ed24b36e25324db8c566632ef2bbb34f8347280fc4507057fddc29df9a471f75c66541d4d4dad1c9e93a19a58e8b473fa0f062f7",
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"65dcc57fcf623a24094fcca40d3533f8",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"9313225df88406e555909c5aff5269aa6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b525416aedbf5a0de6a57a637b39b",
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"d27e88681ce3243c4830165a8fdcf9ff1de9a1d8e6b447ef6ef7b79828666e4581e79012af34ddd9e2f037589b292db3e67c036745fa22e7e9b7373b",
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"dcf566ff291c25bbb8568fc3d376a6d9",
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},
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{
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"0000000000000000000000000000000000000000000000000000000000000000",
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NULL,
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NULL,
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"000000000000000000000000",
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NULL,
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"530f8afbc74536b9a963b4f1c4cb738b",
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},
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{
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"0000000000000000000000000000000000000000000000000000000000000000",
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"00000000000000000000000000000000",
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NULL,
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"000000000000000000000000",
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"cea7403d4d606b6e074ec5d3baf39d18",
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"d0d1c8a799996bf0265b98b5d48ab919",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
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NULL,
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"cafebabefacedbaddecaf888",
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"522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662898015ad",
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"b094dac5d93471bdec1a502270e3cc6c",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbaddecaf888",
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"522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662",
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"76fc6ece0f4e1768cddf8853bb2d551b",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"cafebabefacedbad",
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"c3762df1ca787d32ae47c13bf19844cbaf1ae14d0b976afac52ff7d79bba9de0feb582d33934a4f0954cc2363bc73f7862ac430e64abe499f47c9b1f",
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"3a337dbf46a792c45e454913fe2ea8f2",
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},
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{
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"feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
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"feedfacedeadbeeffeedfacedeadbeefabaddad2",
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"9313225df88406e555909c5aff5269aa6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b525416aedbf5a0de6a57a637b39b",
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"5a8def2f0c9e53f1f75d7853659e2a20eeb2b22aafde6419a058ab4f6f746bf40fc0c3b780f244452da3ebf1c5d82cdea2418997200ef82e44ae7e3f",
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"a44a8266ee1c8eb0c8b5d4cf5ae9f19a",
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},
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{
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"00000000000000000000000000000000",
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NULL,
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"d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662898015ad",
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"000000000000000000000000",
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NULL,
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"5fea793a2d6f974d37e68e0cb8ff9492",
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},
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{
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"00000000000000000000000000000000",
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"000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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NULL,
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/* This nonce results in 0xfff in counter LSB. */
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"ffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"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",
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"8b307f6b33286d0ab026a9ed3fe1e85f",
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},
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};
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static int from_hex(uint8_t *out, char in) {
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if (in >= '0' && in <= '9') {
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*out = in - '0';
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return 1;
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}
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if (in >= 'a' && in <= 'f') {
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*out = in - 'a' + 10;
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return 1;
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}
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if (in >= 'A' && in <= 'F') {
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*out = in - 'A' + 10;
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return 1;
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}
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return 0;
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}
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static int decode_hex(uint8_t **out, size_t *out_len, const char *in,
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unsigned test_num, const char *description) {
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if (in == NULL) {
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*out = NULL;
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*out_len = 0;
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return 1;
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}
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size_t len = strlen(in);
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if (len & 1) {
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fprintf(stderr, "%u: Odd-length %s input.\n", test_num, description);
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return 0;
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}
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uint8_t *buf = reinterpret_cast<uint8_t *>(OPENSSL_malloc(len / 2));
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if (buf == NULL) {
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fprintf(stderr, "%u: malloc failure.\n", test_num);
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goto err;
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}
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for (size_t i = 0; i < len; i += 2) {
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uint8_t v, v2;
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if (!from_hex(&v, in[i]) ||
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!from_hex(&v2, in[i+1])) {
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fprintf(stderr, "%u: invalid hex digit in %s around offset %zu.\n",
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test_num, description, i);
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goto err;
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}
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buf[i/2] = (v << 4) | v2;
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}
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*out = buf;
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*out_len = len/2;
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return 1;
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err:
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OPENSSL_free(buf);
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return 0;
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}
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static int run_test_case(unsigned test_num, const struct test_case *test) {
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size_t key_len, plaintext_len, additional_data_len, nonce_len, ciphertext_len,
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tag_len;
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uint8_t *key = NULL, *plaintext = NULL, *additional_data = NULL,
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*nonce = NULL, *ciphertext = NULL, *tag = NULL, *out = NULL;
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int ret = 0;
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AES_KEY aes_key;
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GCM128_CONTEXT ctx;
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if (!decode_hex(&key, &key_len, test->key, test_num, "key") ||
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!decode_hex(&plaintext, &plaintext_len, test->plaintext, test_num,
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"plaintext") ||
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!decode_hex(&additional_data, &additional_data_len, test->additional_data,
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test_num, "additional_data") ||
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!decode_hex(&nonce, &nonce_len, test->nonce, test_num, "nonce") ||
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!decode_hex(&ciphertext, &ciphertext_len, test->ciphertext, test_num,
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"ciphertext") ||
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!decode_hex(&tag, &tag_len, test->tag, test_num, "tag")) {
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goto out;
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}
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|
|
if (plaintext_len != ciphertext_len) {
|
|
fprintf(stderr, "%u: plaintext and ciphertext have differing lengths.\n",
|
|
test_num);
|
|
goto out;
|
|
}
|
|
|
|
if (key_len != 16 && key_len != 24 && key_len != 32) {
|
|
fprintf(stderr, "%u: bad key length.\n", test_num);
|
|
goto out;
|
|
}
|
|
|
|
if (tag_len != 16) {
|
|
fprintf(stderr, "%u: bad tag length.\n", test_num);
|
|
goto out;
|
|
}
|
|
|
|
out = reinterpret_cast<uint8_t *>(OPENSSL_malloc(plaintext_len));
|
|
if (plaintext_len != 0 && out == NULL) {
|
|
goto out;
|
|
}
|
|
if (AES_set_encrypt_key(key, key_len*8, &aes_key)) {
|
|
fprintf(stderr, "%u: AES_set_encrypt_key failed.\n", test_num);
|
|
goto out;
|
|
}
|
|
|
|
CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f) AES_encrypt);
|
|
CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_len);
|
|
OPENSSL_memset(out, 0, plaintext_len);
|
|
if (additional_data) {
|
|
CRYPTO_gcm128_aad(&ctx, additional_data, additional_data_len);
|
|
}
|
|
if (plaintext) {
|
|
CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext, out, plaintext_len);
|
|
}
|
|
if (!CRYPTO_gcm128_finish(&ctx, tag, tag_len) ||
|
|
(ciphertext && OPENSSL_memcmp(out, ciphertext, plaintext_len) != 0)) {
|
|
fprintf(stderr, "%u: encrypt failed.\n", test_num);
|
|
hexdump(stderr, "got :", out, plaintext_len);
|
|
hexdump(stderr, "want:", ciphertext, plaintext_len);
|
|
goto out;
|
|
}
|
|
|
|
CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_len);
|
|
OPENSSL_memset(out, 0, plaintext_len);
|
|
if (additional_data) {
|
|
CRYPTO_gcm128_aad(&ctx, additional_data, additional_data_len);
|
|
}
|
|
if (ciphertext) {
|
|
CRYPTO_gcm128_decrypt(&ctx, &aes_key, ciphertext, out, plaintext_len);
|
|
}
|
|
if (!CRYPTO_gcm128_finish(&ctx, tag, tag_len)) {
|
|
fprintf(stderr, "%u: decrypt failed.\n", test_num);
|
|
goto out;
|
|
}
|
|
if (plaintext && OPENSSL_memcmp(out, plaintext, plaintext_len)) {
|
|
fprintf(stderr, "%u: plaintext doesn't match.\n", test_num);
|
|
goto out;
|
|
}
|
|
|
|
ret = 1;
|
|
|
|
out:
|
|
OPENSSL_free(key);
|
|
OPENSSL_free(plaintext);
|
|
OPENSSL_free(additional_data);
|
|
OPENSSL_free(nonce);
|
|
OPENSSL_free(ciphertext);
|
|
OPENSSL_free(tag);
|
|
OPENSSL_free(out);
|
|
return ret;
|
|
}
|
|
|
|
static bool TestByteSwap() {
|
|
return CRYPTO_bswap4(0x01020304) == 0x04030201 &&
|
|
CRYPTO_bswap8(UINT64_C(0x0102030405060708)) ==
|
|
UINT64_C(0x0807060504030201);
|
|
}
|
|
|
|
int main(void) {
|
|
int ret = 0;
|
|
unsigned i;
|
|
|
|
CRYPTO_library_init();
|
|
|
|
if (!TestByteSwap()) {
|
|
ret = 1;
|
|
}
|
|
|
|
for (i = 0; i < sizeof(test_cases) / sizeof(struct test_case); i++) {
|
|
if (!run_test_case(i, &test_cases[i])) {
|
|
ret = 1;
|
|
}
|
|
}
|
|
|
|
if (ret == 0) {
|
|
printf("PASS\n");
|
|
}
|
|
|
|
return ret;
|
|
}
|