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36a4637e15
48f1739600did not convert the RSA OAEP tests correctly. The corrupted ciphertext and truncation tests were really decrypting uninitialized memory, rather than the sample ciphertext. This results in an error in tools like MSan. The test is somewhat roundabout. In the original version, before the conversion, ctext_ex was an OAEP test vector from key1(), etc., functions. The test would: 1. Encrypt ptext_ex as ctext. 2. Decrypt ctext and check it gives ptext_ex. 3. Decrypt ctext_ex and check it gives ptext_ex. 4. Try corrupted and truncated versions of ctext.48f1739600then moved steps 1 and 2 into test_rsa_simple, which meant ctext is no longer available for step 4. It then mistakenly left the variable around, but uninitialized, so the test wasn't testing anything. (Confusingly, test_rsa_simple outputs ctext_ex to the caller, but doesn't do anything with it. The ctext_ex output is also only usable for OAEP, not PKCS#1 v1.5.) It doesn't really matter whether we use ctext or ctext_ex for step 4, so this PR fixes it by using ctext_ex instead. Reviewed-by: Shane Lontis <shane.lontis@oracle.com> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15950)
401 lines
14 KiB
C
401 lines
14 KiB
C
/*
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* Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/* test vectors from p1ovect1.txt */
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/*
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* RSA low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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#include <stdio.h>
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#include <string.h>
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#include "internal/nelem.h"
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/bn.h>
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#include "testutil.h"
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#include <openssl/rsa.h>
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#define SetKey \
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RSA_set0_key(key, \
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BN_bin2bn(n, sizeof(n)-1, NULL), \
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BN_bin2bn(e, sizeof(e)-1, NULL), \
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BN_bin2bn(d, sizeof(d)-1, NULL)); \
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RSA_set0_factors(key, \
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BN_bin2bn(p, sizeof(p)-1, NULL), \
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BN_bin2bn(q, sizeof(q)-1, NULL)); \
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RSA_set0_crt_params(key, \
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BN_bin2bn(dmp1, sizeof(dmp1)-1, NULL), \
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BN_bin2bn(dmq1, sizeof(dmq1)-1, NULL), \
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BN_bin2bn(iqmp, sizeof(iqmp)-1, NULL)); \
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if (c != NULL) \
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memcpy(c, ctext_ex, sizeof(ctext_ex) - 1); \
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return sizeof(ctext_ex) - 1;
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static int key1(RSA *key, unsigned char *c)
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{
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static unsigned char n[] =
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"\x00\xAA\x36\xAB\xCE\x88\xAC\xFD\xFF\x55\x52\x3C\x7F\xC4\x52\x3F"
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"\x90\xEF\xA0\x0D\xF3\x77\x4A\x25\x9F\x2E\x62\xB4\xC5\xD9\x9C\xB5"
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"\xAD\xB3\x00\xA0\x28\x5E\x53\x01\x93\x0E\x0C\x70\xFB\x68\x76\x93"
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"\x9C\xE6\x16\xCE\x62\x4A\x11\xE0\x08\x6D\x34\x1E\xBC\xAC\xA0\xA1"
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"\xF5";
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static unsigned char e[] = "\x11";
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static unsigned char d[] =
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"\x0A\x03\x37\x48\x62\x64\x87\x69\x5F\x5F\x30\xBC\x38\xB9\x8B\x44"
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"\xC2\xCD\x2D\xFF\x43\x40\x98\xCD\x20\xD8\xA1\x38\xD0\x90\xBF\x64"
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"\x79\x7C\x3F\xA7\xA2\xCD\xCB\x3C\xD1\xE0\xBD\xBA\x26\x54\xB4\xF9"
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"\xDF\x8E\x8A\xE5\x9D\x73\x3D\x9F\x33\xB3\x01\x62\x4A\xFD\x1D\x51";
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static unsigned char p[] =
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"\x00\xD8\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
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"\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x12"
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"\x0D";
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static unsigned char q[] =
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"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
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"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
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"\x89";
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static unsigned char dmp1[] =
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"\x59\x0B\x95\x72\xA2\xC2\xA9\xC4\x06\x05\x9D\xC2\xAB\x2F\x1D\xAF"
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"\xEB\x7E\x8B\x4F\x10\xA7\x54\x9E\x8E\xED\xF5\xB4\xFC\xE0\x9E\x05";
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static unsigned char dmq1[] =
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"\x00\x8E\x3C\x05\x21\xFE\x15\xE0\xEA\x06\xA3\x6F\xF0\xF1\x0C\x99"
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"\x52\xC3\x5B\x7A\x75\x14\xFD\x32\x38\xB8\x0A\xAD\x52\x98\x62\x8D"
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"\x51";
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static unsigned char iqmp[] =
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"\x36\x3F\xF7\x18\x9D\xA8\xE9\x0B\x1D\x34\x1F\x71\xD0\x9B\x76\xA8"
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"\xA9\x43\xE1\x1D\x10\xB2\x4D\x24\x9F\x2D\xEA\xFE\xF8\x0C\x18\x26";
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static unsigned char ctext_ex[] =
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"\x1b\x8f\x05\xf9\xca\x1a\x79\x52\x6e\x53\xf3\xcc\x51\x4f\xdb\x89"
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"\x2b\xfb\x91\x93\x23\x1e\x78\xb9\x92\xe6\x8d\x50\xa4\x80\xcb\x52"
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"\x33\x89\x5c\x74\x95\x8d\x5d\x02\xab\x8c\x0f\xd0\x40\xeb\x58\x44"
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"\xb0\x05\xc3\x9e\xd8\x27\x4a\x9d\xbf\xa8\x06\x71\x40\x94\x39\xd2";
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SetKey;
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}
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static int key2(RSA *key, unsigned char *c)
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{
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static unsigned char n[] =
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"\x00\xA3\x07\x9A\x90\xDF\x0D\xFD\x72\xAC\x09\x0C\xCC\x2A\x78\xB8"
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"\x74\x13\x13\x3E\x40\x75\x9C\x98\xFA\xF8\x20\x4F\x35\x8A\x0B\x26"
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"\x3C\x67\x70\xE7\x83\xA9\x3B\x69\x71\xB7\x37\x79\xD2\x71\x7B\xE8"
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"\x34\x77\xCF";
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static unsigned char e[] = "\x3";
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static unsigned char d[] =
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"\x6C\xAF\xBC\x60\x94\xB3\xFE\x4C\x72\xB0\xB3\x32\xC6\xFB\x25\xA2"
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"\xB7\x62\x29\x80\x4E\x68\x65\xFC\xA4\x5A\x74\xDF\x0F\x8F\xB8\x41"
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"\x3B\x52\xC0\xD0\xE5\x3D\x9B\x59\x0F\xF1\x9B\xE7\x9F\x49\xDD\x21"
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"\xE5\xEB";
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static unsigned char p[] =
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"\x00\xCF\x20\x35\x02\x8B\x9D\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92"
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"\xEA\x0D\xA3\xB4\x32\x04\xB5\xCF\xCE\x91";
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static unsigned char q[] =
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"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
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"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5F";
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static unsigned char dmp1[] =
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"\x00\x8A\x15\x78\xAC\x5D\x13\xAF\x10\x2B\x22\xB9\x99\xCD\x74\x61"
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"\xF1\x5E\x6D\x22\xCC\x03\x23\xDF\xDF\x0B";
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static unsigned char dmq1[] =
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"\x00\x86\x55\x21\x4A\xC5\x4D\x8D\x4E\xCD\x61\x77\xF1\xC7\x36\x90"
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"\xCE\x2A\x48\x2C\x8B\x05\x99\xCB\xE0\x3F";
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static unsigned char iqmp[] =
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"\x00\x83\xEF\xEF\xB8\xA9\xA4\x0D\x1D\xB6\xED\x98\xAD\x84\xED\x13"
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"\x35\xDC\xC1\x08\xF3\x22\xD0\x57\xCF\x8D";
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static unsigned char ctext_ex[] =
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"\x14\xbd\xdd\x28\xc9\x83\x35\x19\x23\x80\xe8\xe5\x49\xb1\x58\x2a"
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"\x8b\x40\xb4\x48\x6d\x03\xa6\xa5\x31\x1f\x1f\xd5\xf0\xa1\x80\xe4"
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"\x17\x53\x03\x29\xa9\x34\x90\x74\xb1\x52\x13\x54\x29\x08\x24\x52"
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"\x62\x51";
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SetKey;
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}
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static int key3(RSA *key, unsigned char *c)
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{
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static unsigned char n[] =
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"\x00\xBB\xF8\x2F\x09\x06\x82\xCE\x9C\x23\x38\xAC\x2B\x9D\xA8\x71"
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"\xF7\x36\x8D\x07\xEE\xD4\x10\x43\xA4\x40\xD6\xB6\xF0\x74\x54\xF5"
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"\x1F\xB8\xDF\xBA\xAF\x03\x5C\x02\xAB\x61\xEA\x48\xCE\xEB\x6F\xCD"
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"\x48\x76\xED\x52\x0D\x60\xE1\xEC\x46\x19\x71\x9D\x8A\x5B\x8B\x80"
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"\x7F\xAF\xB8\xE0\xA3\xDF\xC7\x37\x72\x3E\xE6\xB4\xB7\xD9\x3A\x25"
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"\x84\xEE\x6A\x64\x9D\x06\x09\x53\x74\x88\x34\xB2\x45\x45\x98\x39"
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"\x4E\xE0\xAA\xB1\x2D\x7B\x61\xA5\x1F\x52\x7A\x9A\x41\xF6\xC1\x68"
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"\x7F\xE2\x53\x72\x98\xCA\x2A\x8F\x59\x46\xF8\xE5\xFD\x09\x1D\xBD"
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"\xCB";
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static unsigned char e[] = "\x11";
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static unsigned char d[] =
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"\x00\xA5\xDA\xFC\x53\x41\xFA\xF2\x89\xC4\xB9\x88\xDB\x30\xC1\xCD"
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"\xF8\x3F\x31\x25\x1E\x06\x68\xB4\x27\x84\x81\x38\x01\x57\x96\x41"
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"\xB2\x94\x10\xB3\xC7\x99\x8D\x6B\xC4\x65\x74\x5E\x5C\x39\x26\x69"
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"\xD6\x87\x0D\xA2\xC0\x82\xA9\x39\xE3\x7F\xDC\xB8\x2E\xC9\x3E\xDA"
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"\xC9\x7F\xF3\xAD\x59\x50\xAC\xCF\xBC\x11\x1C\x76\xF1\xA9\x52\x94"
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"\x44\xE5\x6A\xAF\x68\xC5\x6C\x09\x2C\xD3\x8D\xC3\xBE\xF5\xD2\x0A"
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"\x93\x99\x26\xED\x4F\x74\xA1\x3E\xDD\xFB\xE1\xA1\xCE\xCC\x48\x94"
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"\xAF\x94\x28\xC2\xB7\xB8\x88\x3F\xE4\x46\x3A\x4B\xC8\x5B\x1C\xB3"
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"\xC1";
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static unsigned char p[] =
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"\x00\xEE\xCF\xAE\x81\xB1\xB9\xB3\xC9\x08\x81\x0B\x10\xA1\xB5\x60"
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"\x01\x99\xEB\x9F\x44\xAE\xF4\xFD\xA4\x93\xB8\x1A\x9E\x3D\x84\xF6"
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"\x32\x12\x4E\xF0\x23\x6E\x5D\x1E\x3B\x7E\x28\xFA\xE7\xAA\x04\x0A"
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"\x2D\x5B\x25\x21\x76\x45\x9D\x1F\x39\x75\x41\xBA\x2A\x58\xFB\x65"
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"\x99";
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static unsigned char q[] =
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"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
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"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
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"\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
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"\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x15"
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"\x03";
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static unsigned char dmp1[] =
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"\x54\x49\x4C\xA6\x3E\xBA\x03\x37\xE4\xE2\x40\x23\xFC\xD6\x9A\x5A"
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"\xEB\x07\xDD\xDC\x01\x83\xA4\xD0\xAC\x9B\x54\xB0\x51\xF2\xB1\x3E"
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"\xD9\x49\x09\x75\xEA\xB7\x74\x14\xFF\x59\xC1\xF7\x69\x2E\x9A\x2E"
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"\x20\x2B\x38\xFC\x91\x0A\x47\x41\x74\xAD\xC9\x3C\x1F\x67\xC9\x81";
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static unsigned char dmq1[] =
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"\x47\x1E\x02\x90\xFF\x0A\xF0\x75\x03\x51\xB7\xF8\x78\x86\x4C\xA9"
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"\x61\xAD\xBD\x3A\x8A\x7E\x99\x1C\x5C\x05\x56\xA9\x4C\x31\x46\xA7"
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"\xF9\x80\x3F\x8F\x6F\x8A\xE3\x42\xE9\x31\xFD\x8A\xE4\x7A\x22\x0D"
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"\x1B\x99\xA4\x95\x84\x98\x07\xFE\x39\xF9\x24\x5A\x98\x36\xDA\x3D";
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static unsigned char iqmp[] =
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"\x00\xB0\x6C\x4F\xDA\xBB\x63\x01\x19\x8D\x26\x5B\xDB\xAE\x94\x23"
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"\xB3\x80\xF2\x71\xF7\x34\x53\x88\x50\x93\x07\x7F\xCD\x39\xE2\x11"
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"\x9F\xC9\x86\x32\x15\x4F\x58\x83\xB1\x67\xA9\x67\xBF\x40\x2B\x4E"
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"\x9E\x2E\x0F\x96\x56\xE6\x98\xEA\x36\x66\xED\xFB\x25\x79\x80\x39"
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"\xF7";
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static unsigned char ctext_ex[] =
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"\xb8\x24\x6b\x56\xa6\xed\x58\x81\xae\xb5\x85\xd9\xa2\x5b\x2a\xd7"
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"\x90\xc4\x17\xe0\x80\x68\x1b\xf1\xac\x2b\xc3\xde\xb6\x9d\x8b\xce"
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"\xf0\xc4\x36\x6f\xec\x40\x0a\xf0\x52\xa7\x2e\x9b\x0e\xff\xb5\xb3"
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"\xf2\xf1\x92\xdb\xea\xca\x03\xc1\x27\x40\x05\x71\x13\xbf\x1f\x06"
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"\x69\xac\x22\xe9\xf3\xa7\x85\x2e\x3c\x15\xd9\x13\xca\xb0\xb8\x86"
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"\x3a\x95\xc9\x92\x94\xce\x86\x74\x21\x49\x54\x61\x03\x46\xf4\xd4"
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"\x74\xb2\x6f\x7c\x48\xb4\x2e\xe6\x8e\x1f\x57\x2a\x1f\xc4\x02\x6a"
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"\xc4\x56\xb4\xf5\x9f\x7b\x62\x1e\xa1\xb9\xd8\x8f\x64\x20\x2f\xb1";
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SetKey;
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}
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static int rsa_setkey(RSA** key, unsigned char *ctext, int idx)
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{
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int clen = 0;
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*key = RSA_new();
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if (*key != NULL)
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switch (idx) {
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case 0:
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clen = key1(*key, ctext);
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break;
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case 1:
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clen = key2(*key, ctext);
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break;
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case 2:
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clen = key3(*key, ctext);
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break;
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}
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return clen;
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}
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static int test_rsa_simple(int idx, int en_pad_type, int de_pad_type,
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int success, unsigned char *ctext_ex, int *clen,
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RSA **retkey)
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{
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int ret = 0;
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RSA *key;
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unsigned char ptext[256];
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unsigned char ctext[256];
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static unsigned char ptext_ex[] = "\x54\x85\x9b\x34\x2c\x49\xea\x2a";
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int plen;
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int clentmp = 0;
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int num;
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plen = sizeof(ptext_ex) - 1;
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clentmp = rsa_setkey(&key, ctext_ex, idx);
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if (clen != NULL)
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*clen = clentmp;
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num = RSA_public_encrypt(plen, ptext_ex, ctext, key, en_pad_type);
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if (!TEST_int_eq(num, clentmp))
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goto err;
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num = RSA_private_decrypt(num, ctext, ptext, key, de_pad_type);
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if (success) {
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if (!TEST_int_gt(num, 0) || !TEST_mem_eq(ptext, num, ptext_ex, plen))
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goto err;
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} else {
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if (!TEST_int_lt(num, 0))
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goto err;
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}
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ret = 1;
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if (retkey != NULL) {
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*retkey = key;
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key = NULL;
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}
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err:
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RSA_free(key);
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return ret;
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}
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static int test_rsa_pkcs1(int idx)
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{
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return test_rsa_simple(idx, RSA_PKCS1_PADDING, RSA_PKCS1_PADDING, 1, NULL,
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NULL, NULL);
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}
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static int test_rsa_oaep(int idx)
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{
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int ret = 0;
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RSA *key = NULL;
|
|
unsigned char ptext[256];
|
|
static unsigned char ptext_ex[] = "\x54\x85\x9b\x34\x2c\x49\xea\x2a";
|
|
unsigned char ctext_ex[256];
|
|
int plen;
|
|
int clen = 0;
|
|
int num;
|
|
int n;
|
|
|
|
if (!test_rsa_simple(idx, RSA_PKCS1_OAEP_PADDING, RSA_PKCS1_OAEP_PADDING, 1,
|
|
ctext_ex, &clen, &key))
|
|
goto err;
|
|
|
|
plen = sizeof(ptext_ex) - 1;
|
|
|
|
/* Different ciphertexts. Try decrypting ctext_ex */
|
|
num = RSA_private_decrypt(clen, ctext_ex, ptext, key,
|
|
RSA_PKCS1_OAEP_PADDING);
|
|
if (num <= 0 || !TEST_mem_eq(ptext, num, ptext_ex, plen))
|
|
goto err;
|
|
|
|
/* Try decrypting corrupted ciphertexts. */
|
|
for (n = 0; n < clen; ++n) {
|
|
ctext_ex[n] ^= 1;
|
|
num = RSA_private_decrypt(clen, ctext_ex, ptext, key,
|
|
RSA_PKCS1_OAEP_PADDING);
|
|
if (!TEST_int_le(num, 0))
|
|
goto err;
|
|
ctext_ex[n] ^= 1;
|
|
}
|
|
|
|
/* Test truncated ciphertexts, as well as negative length. */
|
|
for (n = -1; n < clen; ++n) {
|
|
num = RSA_private_decrypt(n, ctext_ex, ptext, key,
|
|
RSA_PKCS1_OAEP_PADDING);
|
|
if (!TEST_int_le(num, 0))
|
|
goto err;
|
|
}
|
|
|
|
ret = 1;
|
|
err:
|
|
RSA_free(key);
|
|
return ret;
|
|
}
|
|
|
|
static const struct {
|
|
int bits;
|
|
unsigned int r;
|
|
} rsa_security_bits_cases[] = {
|
|
/* NIST SP 800-56B rev 2 (draft) Appendix D Table 5 */
|
|
{ 2048, 112 },
|
|
{ 3072, 128 },
|
|
{ 4096, 152 },
|
|
{ 6144, 176 },
|
|
{ 8192, 200 },
|
|
/* NIST FIPS 140-2 IG 7.5 */
|
|
{ 7680, 192 },
|
|
{ 15360, 256 },
|
|
/* Older values */
|
|
{ 256, 40 },
|
|
{ 512, 56 },
|
|
{ 1024, 80 },
|
|
/* Some other values */
|
|
{ 8888, 208 },
|
|
{ 2468, 120 },
|
|
{ 13456, 248 },
|
|
/* Edge points */
|
|
{ 15359, 256 },
|
|
{ 15361, 264 },
|
|
{ 7679, 192 },
|
|
{ 7681, 200 },
|
|
};
|
|
|
|
static int test_rsa_security_bit(int n)
|
|
{
|
|
static const unsigned char vals[8] = {
|
|
0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40
|
|
};
|
|
RSA *key = RSA_new();
|
|
const int bits = rsa_security_bits_cases[n].bits;
|
|
const int result = rsa_security_bits_cases[n].r;
|
|
const int bytes = (bits + 7) / 8;
|
|
int r = 0;
|
|
unsigned char num[2000];
|
|
|
|
if (!TEST_ptr(key) || !TEST_int_le(bytes, (int)sizeof(num)))
|
|
goto err;
|
|
|
|
/*
|
|
* It is necessary to set the RSA key in order to ask for the strength.
|
|
* A BN of an appropriate size is created, in general it won't have the
|
|
* properties necessary for RSA to function. This is okay here since
|
|
* the RSA key is never used.
|
|
*/
|
|
memset(num, vals[bits % 8], bytes);
|
|
|
|
/*
|
|
* The 'e' parameter is set to the same value as 'n'. This saves having
|
|
* an extra BN to hold a sensible value for 'e'. This is safe since the
|
|
* RSA key is not used. The 'd' parameter can be NULL safely.
|
|
*/
|
|
if (TEST_true(RSA_set0_key(key, BN_bin2bn(num, bytes, NULL),
|
|
BN_bin2bn(num, bytes, NULL), NULL))
|
|
&& TEST_uint_eq(RSA_security_bits(key), result))
|
|
r = 1;
|
|
err:
|
|
RSA_free(key);
|
|
return r;
|
|
}
|
|
|
|
int setup_tests(void)
|
|
{
|
|
ADD_ALL_TESTS(test_rsa_pkcs1, 3);
|
|
ADD_ALL_TESTS(test_rsa_oaep, 3);
|
|
ADD_ALL_TESTS(test_rsa_security_bit, OSSL_NELEM(rsa_security_bits_cases));
|
|
return 1;
|
|
}
|