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boringssl/crypto/rsa/rsa_test.c
Adam Langley 2b2d66d409 Remove string.h from base.h. 
Including string.h in base.h causes any file that includes a BoringSSL
header to include string.h. Generally this wouldn't be a problem,
although string.h might slow down the compile if it wasn't otherwise
needed. However, it also causes problems for ipsec-tools in Android
because OpenSSL didn't have this behaviour.

This change removes string.h from base.h and, instead, adds it to each
.c file that requires it.

Change-Id: I5968e50b0e230fd3adf9b72dd2836e6f52d6fb37
Reviewed-on: https://boringssl-review.googlesource.com/3200
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
2015-02-02 19:14:15 +00:00

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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.] */
#include <openssl/rsa.h>
#include <string.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/obj.h>
#define SetKey \
key->n = BN_bin2bn(n, sizeof(n) - 1, key->n); \
key->e = BN_bin2bn(e, sizeof(e) - 1, key->e); \
key->d = BN_bin2bn(d, sizeof(d) - 1, key->d); \
key->p = BN_bin2bn(p, sizeof(p) - 1, key->p); \
key->q = BN_bin2bn(q, sizeof(q) - 1, key->q); \
key->dmp1 = BN_bin2bn(dmp1, sizeof(dmp1) - 1, key->dmp1); \
key->dmq1 = BN_bin2bn(dmq1, sizeof(dmq1) - 1, key->dmq1); \
key->iqmp = BN_bin2bn(iqmp, sizeof(iqmp) - 1, key->iqmp); \
memcpy(c, ctext_ex, sizeof(ctext_ex) - 1); \
return (sizeof(ctext_ex) - 1);
static int key1(RSA *key, unsigned char *c) {
static unsigned char n[] =
"\x00\xAA\x36\xAB\xCE\x88\xAC\xFD\xFF\x55\x52\x3C\x7F\xC4\x52\x3F"
"\x90\xEF\xA0\x0D\xF3\x77\x4A\x25\x9F\x2E\x62\xB4\xC5\xD9\x9C\xB5"
"\xAD\xB3\x00\xA0\x28\x5E\x53\x01\x93\x0E\x0C\x70\xFB\x68\x76\x93"
"\x9C\xE6\x16\xCE\x62\x4A\x11\xE0\x08\x6D\x34\x1E\xBC\xAC\xA0\xA1"
"\xF5";
static unsigned char e[] = "\x11";
static unsigned char d[] =
"\x0A\x03\x37\x48\x62\x64\x87\x69\x5F\x5F\x30\xBC\x38\xB9\x8B\x44"
"\xC2\xCD\x2D\xFF\x43\x40\x98\xCD\x20\xD8\xA1\x38\xD0\x90\xBF\x64"
"\x79\x7C\x3F\xA7\xA2\xCD\xCB\x3C\xD1\xE0\xBD\xBA\x26\x54\xB4\xF9"
"\xDF\x8E\x8A\xE5\x9D\x73\x3D\x9F\x33\xB3\x01\x62\x4A\xFD\x1D\x51";
static unsigned char p[] =
"\x00\xD8\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
"\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x12"
"\x0D";
static unsigned char q[] =
"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
"\x89";
static unsigned char dmp1[] =
"\x59\x0B\x95\x72\xA2\xC2\xA9\xC4\x06\x05\x9D\xC2\xAB\x2F\x1D\xAF"
"\xEB\x7E\x8B\x4F\x10\xA7\x54\x9E\x8E\xED\xF5\xB4\xFC\xE0\x9E\x05";
static unsigned char dmq1[] =
"\x00\x8E\x3C\x05\x21\xFE\x15\xE0\xEA\x06\xA3\x6F\xF0\xF1\x0C\x99"
"\x52\xC3\x5B\x7A\x75\x14\xFD\x32\x38\xB8\x0A\xAD\x52\x98\x62\x8D"
"\x51";
static unsigned char iqmp[] =
"\x36\x3F\xF7\x18\x9D\xA8\xE9\x0B\x1D\x34\x1F\x71\xD0\x9B\x76\xA8"
"\xA9\x43\xE1\x1D\x10\xB2\x4D\x24\x9F\x2D\xEA\xFE\xF8\x0C\x18\x26";
static unsigned char ctext_ex[] =
"\x1b\x8f\x05\xf9\xca\x1a\x79\x52\x6e\x53\xf3\xcc\x51\x4f\xdb\x89"
"\x2b\xfb\x91\x93\x23\x1e\x78\xb9\x92\xe6\x8d\x50\xa4\x80\xcb\x52"
"\x33\x89\x5c\x74\x95\x8d\x5d\x02\xab\x8c\x0f\xd0\x40\xeb\x58\x44"
"\xb0\x05\xc3\x9e\xd8\x27\x4a\x9d\xbf\xa8\x06\x71\x40\x94\x39\xd2";
SetKey;
}
static int key2(RSA *key, unsigned char *c) {
static unsigned char n[] =
"\x00\xA3\x07\x9A\x90\xDF\x0D\xFD\x72\xAC\x09\x0C\xCC\x2A\x78\xB8"
"\x74\x13\x13\x3E\x40\x75\x9C\x98\xFA\xF8\x20\x4F\x35\x8A\x0B\x26"
"\x3C\x67\x70\xE7\x83\xA9\x3B\x69\x71\xB7\x37\x79\xD2\x71\x7B\xE8"
"\x34\x77\xCF";
static unsigned char e[] = "\x3";
static unsigned char d[] =
"\x6C\xAF\xBC\x60\x94\xB3\xFE\x4C\x72\xB0\xB3\x32\xC6\xFB\x25\xA2"
"\xB7\x62\x29\x80\x4E\x68\x65\xFC\xA4\x5A\x74\xDF\x0F\x8F\xB8\x41"
"\x3B\x52\xC0\xD0\xE5\x3D\x9B\x59\x0F\xF1\x9B\xE7\x9F\x49\xDD\x21"
"\xE5\xEB";
static unsigned char p[] =
"\x00\xCF\x20\x35\x02\x8B\x9D\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92"
"\xEA\x0D\xA3\xB4\x32\x04\xB5\xCF\xCE\x91";
static unsigned char q[] =
"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5F";
static unsigned char dmp1[] =
"\x00\x8A\x15\x78\xAC\x5D\x13\xAF\x10\x2B\x22\xB9\x99\xCD\x74\x61"
"\xF1\x5E\x6D\x22\xCC\x03\x23\xDF\xDF\x0B";
static unsigned char dmq1[] =
"\x00\x86\x55\x21\x4A\xC5\x4D\x8D\x4E\xCD\x61\x77\xF1\xC7\x36\x90"
"\xCE\x2A\x48\x2C\x8B\x05\x99\xCB\xE0\x3F";
static unsigned char iqmp[] =
"\x00\x83\xEF\xEF\xB8\xA9\xA4\x0D\x1D\xB6\xED\x98\xAD\x84\xED\x13"
"\x35\xDC\xC1\x08\xF3\x22\xD0\x57\xCF\x8D";
static unsigned char ctext_ex[] =
"\x14\xbd\xdd\x28\xc9\x83\x35\x19\x23\x80\xe8\xe5\x49\xb1\x58\x2a"
"\x8b\x40\xb4\x48\x6d\x03\xa6\xa5\x31\x1f\x1f\xd5\xf0\xa1\x80\xe4"
"\x17\x53\x03\x29\xa9\x34\x90\x74\xb1\x52\x13\x54\x29\x08\x24\x52"
"\x62\x51";
SetKey;
}
static int key3(RSA *key, unsigned char *c) {
static unsigned char n[] =
"\x00\xBB\xF8\x2F\x09\x06\x82\xCE\x9C\x23\x38\xAC\x2B\x9D\xA8\x71"
"\xF7\x36\x8D\x07\xEE\xD4\x10\x43\xA4\x40\xD6\xB6\xF0\x74\x54\xF5"
"\x1F\xB8\xDF\xBA\xAF\x03\x5C\x02\xAB\x61\xEA\x48\xCE\xEB\x6F\xCD"
"\x48\x76\xED\x52\x0D\x60\xE1\xEC\x46\x19\x71\x9D\x8A\x5B\x8B\x80"
"\x7F\xAF\xB8\xE0\xA3\xDF\xC7\x37\x72\x3E\xE6\xB4\xB7\xD9\x3A\x25"
"\x84\xEE\x6A\x64\x9D\x06\x09\x53\x74\x88\x34\xB2\x45\x45\x98\x39"
"\x4E\xE0\xAA\xB1\x2D\x7B\x61\xA5\x1F\x52\x7A\x9A\x41\xF6\xC1\x68"
"\x7F\xE2\x53\x72\x98\xCA\x2A\x8F\x59\x46\xF8\xE5\xFD\x09\x1D\xBD"
"\xCB";
static unsigned char e[] = "\x11";
static unsigned char d[] =
"\x00\xA5\xDA\xFC\x53\x41\xFA\xF2\x89\xC4\xB9\x88\xDB\x30\xC1\xCD"
"\xF8\x3F\x31\x25\x1E\x06\x68\xB4\x27\x84\x81\x38\x01\x57\x96\x41"
"\xB2\x94\x10\xB3\xC7\x99\x8D\x6B\xC4\x65\x74\x5E\x5C\x39\x26\x69"
"\xD6\x87\x0D\xA2\xC0\x82\xA9\x39\xE3\x7F\xDC\xB8\x2E\xC9\x3E\xDA"
"\xC9\x7F\xF3\xAD\x59\x50\xAC\xCF\xBC\x11\x1C\x76\xF1\xA9\x52\x94"
"\x44\xE5\x6A\xAF\x68\xC5\x6C\x09\x2C\xD3\x8D\xC3\xBE\xF5\xD2\x0A"
"\x93\x99\x26\xED\x4F\x74\xA1\x3E\xDD\xFB\xE1\xA1\xCE\xCC\x48\x94"
"\xAF\x94\x28\xC2\xB7\xB8\x88\x3F\xE4\x46\x3A\x4B\xC8\x5B\x1C\xB3"
"\xC1";
static unsigned char p[] =
"\x00\xEE\xCF\xAE\x81\xB1\xB9\xB3\xC9\x08\x81\x0B\x10\xA1\xB5\x60"
"\x01\x99\xEB\x9F\x44\xAE\xF4\xFD\xA4\x93\xB8\x1A\x9E\x3D\x84\xF6"
"\x32\x12\x4E\xF0\x23\x6E\x5D\x1E\x3B\x7E\x28\xFA\xE7\xAA\x04\x0A"
"\x2D\x5B\x25\x21\x76\x45\x9D\x1F\x39\x75\x41\xBA\x2A\x58\xFB\x65"
"\x99";
static unsigned char q[] =
"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
"\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
"\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x15"
"\x03";
static unsigned char dmp1[] =
"\x54\x49\x4C\xA6\x3E\xBA\x03\x37\xE4\xE2\x40\x23\xFC\xD6\x9A\x5A"
"\xEB\x07\xDD\xDC\x01\x83\xA4\xD0\xAC\x9B\x54\xB0\x51\xF2\xB1\x3E"
"\xD9\x49\x09\x75\xEA\xB7\x74\x14\xFF\x59\xC1\xF7\x69\x2E\x9A\x2E"
"\x20\x2B\x38\xFC\x91\x0A\x47\x41\x74\xAD\xC9\x3C\x1F\x67\xC9\x81";
static unsigned char dmq1[] =
"\x47\x1E\x02\x90\xFF\x0A\xF0\x75\x03\x51\xB7\xF8\x78\x86\x4C\xA9"
"\x61\xAD\xBD\x3A\x8A\x7E\x99\x1C\x5C\x05\x56\xA9\x4C\x31\x46\xA7"
"\xF9\x80\x3F\x8F\x6F\x8A\xE3\x42\xE9\x31\xFD\x8A\xE4\x7A\x22\x0D"
"\x1B\x99\xA4\x95\x84\x98\x07\xFE\x39\xF9\x24\x5A\x98\x36\xDA\x3D";
static unsigned char iqmp[] =
"\x00\xB0\x6C\x4F\xDA\xBB\x63\x01\x19\x8D\x26\x5B\xDB\xAE\x94\x23"
"\xB3\x80\xF2\x71\xF7\x34\x53\x88\x50\x93\x07\x7F\xCD\x39\xE2\x11"
"\x9F\xC9\x86\x32\x15\x4F\x58\x83\xB1\x67\xA9\x67\xBF\x40\x2B\x4E"
"\x9E\x2E\x0F\x96\x56\xE6\x98\xEA\x36\x66\xED\xFB\x25\x79\x80\x39"
"\xF7";
static unsigned char ctext_ex[] =
"\xb8\x24\x6b\x56\xa6\xed\x58\x81\xae\xb5\x85\xd9\xa2\x5b\x2a\xd7"
"\x90\xc4\x17\xe0\x80\x68\x1b\xf1\xac\x2b\xc3\xde\xb6\x9d\x8b\xce"
"\xf0\xc4\x36\x6f\xec\x40\x0a\xf0\x52\xa7\x2e\x9b\x0e\xff\xb5\xb3"
"\xf2\xf1\x92\xdb\xea\xca\x03\xc1\x27\x40\x05\x71\x13\xbf\x1f\x06"
"\x69\xac\x22\xe9\xf3\xa7\x85\x2e\x3c\x15\xd9\x13\xca\xb0\xb8\x86"
"\x3a\x95\xc9\x92\x94\xce\x86\x74\x21\x49\x54\x61\x03\x46\xf4\xd4"
"\x74\xb2\x6f\x7c\x48\xb4\x2e\xe6\x8e\x1f\x57\x2a\x1f\xc4\x02\x6a"
"\xc4\x56\xb4\xf5\x9f\x7b\x62\x1e\xa1\xb9\xd8\x8f\x64\x20\x2f\xb1";
SetKey;
}
static int test_bad_key(void) {
RSA *key = RSA_new();
BIGNUM e;
BN_init(&e);
BN_set_word(&e, RSA_F4);
if (!RSA_generate_key_ex(key, 512, &e, NULL)) {
fprintf(stderr, "RSA_generate_key_ex failed.\n");
BIO_print_errors_fp(stderr);
return 0;
}
if (!BN_add(key->p, key->p, BN_value_one())) {
fprintf(stderr, "BN error.\n");
BIO_print_errors_fp(stderr);
return 0;
}
if (RSA_check_key(key)) {
fprintf(stderr, "RSA_check_key passed with invalid key!\n");
return 0;
}
ERR_clear_error();
BN_free(&e);
RSA_free(key);
return 1;
}
static int test_only_d_given(void) {
RSA *key = RSA_new();
uint8_t buf[64];
unsigned buf_len = sizeof(buf);
const uint8_t kDummyHash[16] = {0};
int ret = 0;
if (!BN_hex2bn(&key->n,
"00e77bbf3889d4ef36a9a25d4d69f3f632eb4362214c74517da6d6aeaa9bd"
"09ac42b26621cd88f3a6eb013772fc3bf9f83914b6467231c630202c35b3e"
"5808c659") ||
!BN_hex2bn(&key->e, "010001") ||
!BN_hex2bn(&key->d,
"0365db9eb6d73b53b015c40cd8db4de7dd7035c68b5ac1bf786d7a4ee2cea"
"316eaeca21a73ac365e58713195f2ae9849348525ca855386b6d028e437a9"
"495a01") ||
RSA_size(key) > sizeof(buf)) {
goto err;
}
if (!RSA_check_key(key)) {
fprintf(stderr, "RSA_check_key failed with only d given.\n");
BIO_print_errors_fp(stderr);
goto err;
}
if (!RSA_sign(NID_md5, kDummyHash, sizeof(kDummyHash), buf, &buf_len, key)) {
fprintf(stderr, "RSA_sign failed with only d given.\n");
BIO_print_errors_fp(stderr);
goto err;
}
if (!RSA_verify(NID_md5, kDummyHash, sizeof(kDummyHash), buf, buf_len, key)) {
fprintf(stderr, "RSA_verify failed with only d given.\n");
BIO_print_errors_fp(stderr);
goto err;
}
ret = 1;
err:
RSA_free(key);
return ret;
}
static int test_recover_crt_params(void) {
RSA *key1, *key2;
BIGNUM *e = BN_new();
uint8_t buf[128];
unsigned buf_len = sizeof(buf);
const uint8_t kDummyHash[16] = {0};
unsigned i;
BN_set_word(e, RSA_F4);
ERR_clear_error();
for (i = 0; i < 1; i++) {
key1 = RSA_new();
if (!RSA_generate_key_ex(key1, 512, e, NULL)) {
fprintf(stderr, "RSA_generate_key_ex failed.\n");
BIO_print_errors_fp(stderr);
return 0;
}
if (!RSA_check_key(key1)) {
fprintf(stderr, "RSA_check_key failed with original key.\n");
BIO_print_errors_fp(stderr);
return 0;
}
key2 = RSA_new();
key2->n = BN_dup(key1->n);
key2->e = BN_dup(key1->e);
key2->d = BN_dup(key1->d);
RSA_free(key1);
if (!RSA_recover_crt_params(key2)) {
fprintf(stderr, "RSA_recover_crt_params failed.\n");
BIO_print_errors_fp(stderr);
return 0;
}
if (RSA_size(key2) > buf_len) {
return 0;
}
if (!RSA_check_key(key2)) {
fprintf(stderr, "RSA_check_key failed with recovered key.\n");
BIO_print_errors_fp(stderr);
return 0;
}
if (!RSA_sign(NID_md5, kDummyHash, sizeof(kDummyHash), buf, &buf_len,
key2)) {
fprintf(stderr, "RSA_sign failed with recovered key.\n");
BIO_print_errors_fp(stderr);
return 0;
}
if (!RSA_verify(NID_md5, kDummyHash, sizeof(kDummyHash), buf, buf_len,
key2)) {
fprintf(stderr, "RSA_verify failed with recovered key.\n");
BIO_print_errors_fp(stderr);
return 0;
}
RSA_free(key2);
}
BN_free(e);
return 1;
}
int main(int argc, char *argv[]) {
int err = 0;
int v;
RSA *key;
unsigned char ptext[256];
unsigned char ctext[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;
CRYPTO_library_init();
plen = sizeof(ptext_ex) - 1;
for (v = 0; v < 3; v++) {
key = RSA_new();
switch (v) {
case 0:
clen = key1(key, ctext_ex);
break;
case 1:
clen = key2(key, ctext_ex);
break;
case 2:
clen = key3(key, ctext_ex);
break;
default:
abort();
}
if (!RSA_check_key(key)) {
printf("%d: RSA_check_key failed\n", v);
err = 1;
goto oaep;
}
num = RSA_public_encrypt(plen, ptext_ex, ctext, key, RSA_PKCS1_PADDING);
if (num != clen) {
printf("PKCS#1 v1.5 encryption failed!\n");
err = 1;
goto oaep;
}
num = RSA_private_decrypt(num, ctext, ptext, key, RSA_PKCS1_PADDING);
if (num != plen || memcmp(ptext, ptext_ex, num) != 0) {
printf("PKCS#1 v1.5 decryption failed!\n");
err = 1;
} else {
printf("PKCS #1 v1.5 encryption/decryption ok\n");
}
oaep:
ERR_clear_error();
num =
RSA_public_encrypt(plen, ptext_ex, ctext, key, RSA_PKCS1_OAEP_PADDING);
if (num == -1) {
printf("No OAEP support\n");
goto next;
}
if (num != clen) {
printf("OAEP encryption failed!\n");
err = 1;
goto next;
}
num = RSA_private_decrypt(num, ctext, ptext, key, RSA_PKCS1_OAEP_PADDING);
if (num != plen || memcmp(ptext, ptext_ex, num) != 0) {
printf("OAEP decryption (encrypted data) failed!\n");
err = 1;
} else if (memcmp(ctext, ctext_ex, num) == 0) {
printf("OAEP test vector %d passed!\n", v);
}
/* Different ciphertexts (rsa_oaep.c without -DPKCS_TESTVECT).
Try decrypting ctext_ex */
num =
RSA_private_decrypt(clen, ctext_ex, ptext, key, RSA_PKCS1_OAEP_PADDING);
if (num != plen || memcmp(ptext, ptext_ex, num) != 0) {
printf("OAEP decryption (test vector data) failed!\n");
err = 1;
} else {
printf("OAEP encryption/decryption ok\n");
}
/* Try decrypting corrupted ciphertexts */
for (n = 0; n < clen; ++n) {
int b;
unsigned char saved = ctext[n];
for (b = 0; b < 256; ++b) {
if (b == saved)
continue;
ctext[n] = b;
num =
RSA_private_decrypt(num, ctext, ptext, key, RSA_PKCS1_OAEP_PADDING);
if (num > 0) {
printf("Corrupt data decrypted!\n");
err = 1;
}
}
}
next:
RSA_free(key);
}
if (err != 0 ||
!test_only_d_given() ||
!test_recover_crt_params() ||
!test_bad_key()) {
err = 1;
}
if (err == 0) {
printf("PASS\n");
}
return err;
}
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