add content/stream callback example
JacobBarthelmeh
parent
93f4e79b18
commit
7f7170609e
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@ -177,10 +177,12 @@ pkcs7/compressedData
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pkcs7/*.der
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pkcs7/envelopedData-kari
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pkcs7/envelopedData-ktri
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pkcs7/envelopedData-ktri-stream
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pkcs7/envelopedData-kekri
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pkcs7/envelopedData-pwri
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pkcs7/envelopedData-ori
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pkcs7/signedData
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pkcs7/signedData-stream
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pkcs7/signedData-cryptodev
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pkcs7/signedData-FirmwarePkgData
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pkcs7/signedData-DetachedSignature
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@ -0,0 +1,292 @@
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/* envelopedData-ktri-stream.c
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*
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* Copyright (C) 2006-2020 wolfSSL Inc.
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*
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* This file is part of wolfSSL. (formerly known as CyaSSL)
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <wolfssl/options.h>
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/pkcs7.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#include <wolfssl/wolfcrypt/logging.h>
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#define certFile "../certs/client-cert.der"
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#define keyFile "../certs/client-key.der"
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#define encodedFileKTRI "envelopedDataKTRI-stream.der"
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FILE *fileOut, *fileIn;
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#define TEST_SIZE 256
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static byte* contentRead = NULL;
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static int GetContentCB(PKCS7* pkcs7, byte** content)
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{
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int ret;
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ret = fread(contentRead, 1, TEST_SIZE, fileIn);
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*content = contentRead;
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return ret;
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}
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static int StreamOutputCB(PKCS7* pkcs7, const byte* output, word32 outputSz)
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{
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if (outputSz > 0) {
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if (fwrite(output, 1, outputSz, fileOut) != outputSz) {
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return -1;
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}
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}
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return 0;
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}
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static int load_certs(byte* cert, word32* certSz, byte* key, word32* keySz)
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{
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FILE* file;
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/* certificate file */
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file = fopen(certFile, "rb");
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if (!file)
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return -1;
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*certSz = (word32)fread(cert, 1, *certSz, file);
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fclose(file);
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/* key file */
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file = fopen(keyFile, "rb");
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if (!file)
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return -1;
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*keySz = (word32)fread(key, 1, *keySz, file);
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fclose(file);
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return 0;
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}
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static int envelopedData_encrypt(byte* cert, word32 certSz, byte* key,
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word32 keySz, byte* out, word32 outSz,
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word32 contentSz, byte useStreamMode)
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{
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int ret;
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PKCS7* pkcs7;
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pkcs7 = wc_PKCS7_New(NULL, INVALID_DEVID);
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if (pkcs7 == NULL)
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return -1;
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pkcs7->content = NULL;
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pkcs7->contentSz = contentSz;
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pkcs7->contentOID = DATA;
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pkcs7->encryptOID = AES256CBCb;
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if (useStreamMode) {
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wc_PKCS7_SetStreamMode(pkcs7, 1, GetContentCB, StreamOutputCB);
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}
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/* add recipient using RSA certificate (KTRI type) */
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ret = wc_PKCS7_AddRecipient_KTRI(pkcs7, cert, certSz, 0);
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if (ret < 0) {
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printf("wc_PKCS7_AddRecipient_KTRI() failed, ret = %d\n", ret);
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wc_PKCS7_Free(pkcs7);
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return -1;
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}
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/* encode envelopedData, returns size */
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ret = wc_PKCS7_EncodeEnvelopedData(pkcs7, out, outSz);
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if (ret <= 0) {
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printf("ERROR: wc_PKCS7_EncodeEnvelopedData() failed, ret = %d\n", ret);
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wc_PKCS7_Free(pkcs7);
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return -1;
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} else {
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printf("Successfully encoded EnvelopedData bundle (%s), stream mode"
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" %d\n", encodedFileKTRI, useStreamMode);
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}
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wc_PKCS7_Free(pkcs7);
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return ret;
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}
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static int envelopedData_decrypt(byte* in, word32 inSz, byte* cert,
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word32 certSz, byte* key, word32 keySz,
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byte* out, word32 outSz)
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{
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int ret;
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PKCS7* pkcs7;
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pkcs7 = wc_PKCS7_New(NULL, INVALID_DEVID);
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if (pkcs7 == NULL)
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return -1;
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/* init with recipient cert */
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ret = wc_PKCS7_InitWithCert(pkcs7, cert, certSz);
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if (ret != 0) {
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wc_PKCS7_Free(pkcs7);
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return -1;
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}
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/* set recipient private key */
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ret = wc_PKCS7_SetKey(pkcs7, key, keySz);
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if (ret != 0) {
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wc_PKCS7_Free(pkcs7);
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return -1;
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}
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/* decode envelopedData, returns size */
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ret = wc_PKCS7_DecodeEnvelopedData(pkcs7, in, inSz, out, outSz);
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if (ret <= 0) {
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printf("Failed to decode EnvelopedData bundle (%s), error %d\n",
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encodedFileKTRI, ret);
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wc_PKCS7_Free(pkcs7);
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return -1;
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} else {
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printf("Successfully decoded EnvelopedData bundle (%s)\n",
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encodedFileKTRI);
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}
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wc_PKCS7_Free(pkcs7);
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return ret;
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}
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#if defined(HAVE_PKCS7) && defined(ASN_BER_TO_DER)
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#define EXTRA_ASN1_SIZE 1024
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int main(int argc, char** argv)
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{
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int ret = 0;
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int encryptedSz = 0, decryptedSz;
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word32 certSz, keySz, contentSz;
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byte cert[2048];
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byte key[2048];
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byte* encrypted = NULL;
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byte* decrypted = NULL;
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#ifdef DEBUG_WOLFSSL
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wolfSSL_Debugging_ON();
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#endif
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if (argc != 2) {
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printf("USAGE: ./%s <content file name>\n", argv[0]);
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return -1;
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}
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if (wolfCrypt_Init() != 0) {
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printf("Issue with wolfcrypt init\n");
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return -1;
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}
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fileIn = fopen(argv[1], "rb");
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if (fileIn == NULL) {
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printf("Issue opening file %s\n", argv[1]);
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return -1;
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}
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fileOut = fopen(encodedFileKTRI, "wb");
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if (fileOut == NULL) {
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printf("Issue opening file %s\n", encodedFileKTRI);
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fclose(fileIn);
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return -1;
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}
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contentRead = (byte*)XMALLOC(TEST_SIZE, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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if (contentRead == NULL) {
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printf("Unable to malloc content read buffer\n");
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ret = MEMORY_E;
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}
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if (ret == 0) {
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fseek(fileIn, 0, SEEK_END);
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contentSz = ftell(fileIn);
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fseek(fileIn, 0, SEEK_SET);
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printf("contentSz = %d\n", contentSz);
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certSz = sizeof(cert);
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keySz = sizeof(key);
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ret = load_certs(cert, &certSz, key, &keySz);
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}
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if (ret == 0) {
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encryptedSz = envelopedData_encrypt(cert, certSz, key, keySz,
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encrypted, encryptedSz, contentSz, 1);
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if (encryptedSz < 0) {
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ret = encryptedSz;
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printf("Issue %d with encrypt\n", ret);
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}
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}
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fclose(fileIn);
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fclose(fileOut);
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#if 1
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decryptedSz = encryptedSz = contentSz + EXTRA_ASN1_SIZE;
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if (ret == 0) {
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encrypted = (byte*)XMALLOC(encryptedSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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decrypted = (byte*)XMALLOC(decryptedSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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if (encrypted == NULL || decrypted == NULL) {
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ret = MEMORY_E;
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}
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}
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if (ret == 0) {
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FILE* f = fopen(encodedFileKTRI, "rb");
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encryptedSz = fread(encrypted, 1, encryptedSz, f);
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fclose(f);
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if (encryptedSz <= 0) {
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printf("error reading file %s\n", encodedFileKTRI);
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ret = -1;
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}
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}
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if (ret == 0) {
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decryptedSz = envelopedData_decrypt(encrypted, encryptedSz,
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cert, certSz, key, keySz,
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decrypted, decryptedSz);
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if (decryptedSz < 0) {
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ret = decryptedSz;
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printf("Issue %d with decrypt\n", ret);
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}
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}
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#endif
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if (contentRead != NULL)
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XFREE(contentRead, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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if (encrypted != NULL)
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XFREE(encrypted, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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if (decrypted != NULL)
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XFREE(decrypted, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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return ret;
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}
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#else
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int main(int argc, char** argv)
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{
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printf("Must build wolfSSL using ./configure --enable-pkcs7 --enable-indef\n");
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return 0;
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}
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#endif
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@ -95,7 +95,7 @@ static int envelopedData_encrypt(byte* cert, word32 certSz, byte* key,
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pkcs7->encryptOID = AES256CBCb;
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if (useStreamMode) {
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wc_PKCS7_SetStreamMode(pkcs7, 1);
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wc_PKCS7_SetStreamMode(pkcs7, 1, NULL, NULL);
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}
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/* add recipient using RSA certificate (KTRI type) */
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@ -0,0 +1,355 @@
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/* signedData-stream.c
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*
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* Copyright (C) 2006-2020 wolfSSL Inc.
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*
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* This file is part of wolfSSL. (formerly known as CyaSSL)
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <wolfssl/options.h>
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/pkcs7.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#include <wolfssl/wolfcrypt/logging.h>
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#define certFile "../certs/client-cert.der"
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#define keyFile "../certs/client-key.der"
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#define encodedFile "signedData_stream.der"
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FILE *fileOut, *fileIn;
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#define TEST_SIZE 256
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static byte* contentRead = NULL;
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static int GetContentCB(PKCS7* pkcs7, byte** content)
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{
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int ret;
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ret = fread(contentRead, 1, TEST_SIZE, fileIn);
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*content = contentRead;
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return ret;
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}
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static int StreamOutputCB(PKCS7* pkcs7, const byte* output, word32 outputSz)
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{
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if (outputSz > 0) {
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#if 0
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word32 z;
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printf("Writing out %d bytes : ", outputSz);
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for ( z = 0; z < outputSz; z++)printf("%02X", output[z]);
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printf("\n");
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#endif
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if (fwrite(output, 1, outputSz, fileOut) != outputSz) {
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return -1;
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}
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}
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return 0;
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}
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static int load_certs(byte* cert, word32* certSz, byte* key, word32* keySz)
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{
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FILE* file;
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/* certificate file */
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file = fopen(certFile, "rb");
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if (!file)
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return -1;
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*certSz = (word32)fread(cert, 1, *certSz, file);
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fclose(file);
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/* key file */
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file = fopen(keyFile, "rb");
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if (!file)
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return -1;
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*keySz = (word32)fread(key, 1, *keySz, file);
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fclose(file);
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return 0;
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}
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static int signedData(byte* cert, word32 certSz, byte* key, word32 keySz,
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int contentSz, byte* contentHash)
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{
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int ret;
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PKCS7* pkcs7;
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WC_RNG rng;
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word32 outputSz;
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static byte messageTypeOid[] =
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{ 0x06, 0x0a, 0x60, 0x86, 0x48, 0x01, 0x86, 0xF8, 0x45, 0x01,
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0x09, 0x02 };
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static byte messageType[] = { 0x13, 2, '1', '9' };
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PKCS7Attrib attribs[] =
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{
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{ messageTypeOid, sizeof(messageTypeOid), messageType,
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sizeof(messageType) }
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};
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/* init rng */
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ret = wc_InitRng(&rng);
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if (ret != 0) {
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printf("ERROR: wc_InitRng() failed, ret = %d\n", ret);
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return -1;
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}
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/* init PKCS7 */
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pkcs7 = wc_PKCS7_New(NULL, INVALID_DEVID);
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if (pkcs7 == NULL) {
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wc_FreeRng(&rng);
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return -1;
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}
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ret = wc_PKCS7_InitWithCert(pkcs7, cert, certSz);
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if (ret != 0) {
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printf("ERROR: wc_PKCS7_InitWithCert() failed, ret = %d\n", ret);
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wc_PKCS7_Free(pkcs7);
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wc_FreeRng(&rng);
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return -1;
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}
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pkcs7->rng = &rng;
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pkcs7->content = NULL;
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pkcs7->contentSz = contentSz;
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pkcs7->contentOID = DATA;
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pkcs7->hashOID = SHA256h;
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pkcs7->encryptOID = RSAk;
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pkcs7->privateKey = key;
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pkcs7->privateKeySz = keySz;
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pkcs7->signedAttribs = attribs;
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pkcs7->signedAttribsSz = sizeof(attribs)/sizeof(PKCS7Attrib);
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/* use streaming mode with IO callbacks */
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wc_PKCS7_SetStreamMode(pkcs7, 1, GetContentCB, StreamOutputCB);
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/* encode signedData, returns size */
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ret = wc_PKCS7_EncodeSignedData_ex(pkcs7, contentHash, WC_SHA256_DIGEST_SIZE, NULL, &outputSz, NULL, NULL);
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if (ret <= 0) {
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printf("ERROR: wc_PKCS7_EncodeSignedData() failed, ret = %d\n", ret);
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wc_PKCS7_Free(pkcs7);
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wc_FreeRng(&rng);
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return -1;
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} else {
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printf("Successfully encoded SignedData bundle (%s)\n",
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encodedFile);
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#ifdef DEBUG_WOLFSSL
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printf("Encoded DER (%d bytes):\n", ret);
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//WOLFSSL_BUFFER(out, ret);
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#endif
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}
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wc_PKCS7_Free(pkcs7);
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wc_FreeRng(&rng);
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return ret;
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}
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static int signedData_verify(byte* in, word32 inSz, byte* cert,
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word32 certSz, byte* key, word32 keySz,
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byte* out, word32 outSz)
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{
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int ret;
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PKCS7* pkcs7;
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pkcs7 = wc_PKCS7_New(NULL, INVALID_DEVID);
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if (pkcs7 == NULL)
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return -1;
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|
||||
/* decode signedData, returns size */
|
||||
ret = wc_PKCS7_VerifySignedData(pkcs7, in, inSz);
|
||||
|
||||
if (ret < 0) {
|
||||
if (ret == PKCS7_SIGNEEDS_CHECK) {
|
||||
printf("WARNING: Parsed through bundle but no certificates found to"
|
||||
" verify signature with\n");
|
||||
}
|
||||
else {
|
||||
printf("ERROR: Failed to verify SignedData bundle, ret = %d\n",
|
||||
ret);
|
||||
}
|
||||
} else {
|
||||
printf("Successfully verified SignedData bundle.\n");
|
||||
|
||||
#ifdef DEBUG_WOLFSSL
|
||||
printf("Decoded content (%d bytes):\n", pkcs7->contentSz);
|
||||
WOLFSSL_BUFFER(pkcs7->content, pkcs7->contentSz);
|
||||
#endif
|
||||
}
|
||||
|
||||
wc_PKCS7_Free(pkcs7);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#ifdef HAVE_PKCS7
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
int ret = 0;
|
||||
int encryptedSz = 0, decryptedSz = 0, contentSz = 0;
|
||||
word32 certSz, keySz;
|
||||
|
||||
byte contentHash[WC_SHA256_DIGEST_SIZE];
|
||||
byte cert[2048];
|
||||
byte key[2048];
|
||||
byte *encrypted = NULL;
|
||||
byte *decrypted = NULL;
|
||||
|
||||
#ifdef DEBUG_WOLFSSL
|
||||
wolfSSL_Debugging_ON();
|
||||
#endif
|
||||
contentRead = (byte*)XMALLOC(TEST_SIZE, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
if (contentRead == NULL) {
|
||||
printf("Unable to malloc content read buffer\n");
|
||||
ret = MEMORY_E;
|
||||
}
|
||||
|
||||
if (ret == 0) {
|
||||
fileIn = fopen(argv[1], "rb");
|
||||
if (fileIn == NULL) {
|
||||
printf("Issue opening file %s\n", argv[1]);
|
||||
XFREE(contentRead, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if (ret == 0) {
|
||||
fileOut = fopen(encodedFile, "wb");
|
||||
if (fileOut == NULL) {
|
||||
printf("Issue opening file %s\n", encodedFile);
|
||||
fclose(fileIn);
|
||||
XFREE(contentRead, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/* create hash of content, should be same hash type as pkcs7->hashOID */
|
||||
if (ret == 0) {
|
||||
int readSz;
|
||||
|
||||
wc_Sha256 sha256;
|
||||
ret = wc_InitSha256(&sha256);
|
||||
if (ret != 0) {
|
||||
printf("Sha256 init failed, ret = %d\n", ret);
|
||||
}
|
||||
|
||||
if (ret == 0) {
|
||||
do {
|
||||
readSz = fread(contentRead, 1, TEST_SIZE, fileIn);
|
||||
if (readSz > 0) {
|
||||
ret = wc_Sha256Update(&sha256, contentRead, readSz);
|
||||
if (ret != 0) {
|
||||
printf("Sha256 update failed, ret = %d\n", ret);
|
||||
break;
|
||||
}
|
||||
}
|
||||
} while (readSz >= TEST_SIZE);
|
||||
}
|
||||
|
||||
if (ret == 0) {
|
||||
ret = wc_Sha256Final(&sha256, contentHash);
|
||||
if (ret != 0) {
|
||||
printf("Sha256 final failed, ret = %d\n", ret);
|
||||
}
|
||||
}
|
||||
wc_Sha256Free(&sha256);
|
||||
}
|
||||
|
||||
contentSz = ftell(fileIn);
|
||||
fseek(fileIn, 0, SEEK_SET);
|
||||
printf("contentSz = %d\n", contentSz);
|
||||
|
||||
if (ret == 0) {
|
||||
certSz = sizeof(cert);
|
||||
keySz = sizeof(key);
|
||||
ret = load_certs(cert, &certSz, key, &keySz);
|
||||
}
|
||||
|
||||
/* default attributes + messageType attribute */
|
||||
if (ret == 0) {
|
||||
encryptedSz = signedData(cert, certSz, key, keySz, contentSz,
|
||||
contentHash);
|
||||
}
|
||||
|
||||
fclose(fileIn);
|
||||
fclose(fileOut);
|
||||
if (encryptedSz < 0) {
|
||||
ret = encryptedSz;
|
||||
printf("Error %d with signing data\n", ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (ret != 0)
|
||||
goto out;
|
||||
|
||||
#if 1
|
||||
decryptedSz = encryptedSz;
|
||||
encrypted = XMALLOC(encryptedSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
decrypted = XMALLOC(decryptedSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
if (encrypted == NULL || decrypted == NULL) {
|
||||
ret = MEMORY_E;
|
||||
goto out;
|
||||
}
|
||||
|
||||
{
|
||||
FILE* f = fopen(encodedFile, "rb");
|
||||
encryptedSz = fread(encrypted, 1, encryptedSz, f);
|
||||
fclose(f);
|
||||
}
|
||||
if (encryptedSz <= 0) {
|
||||
printf("error reading file %s\n", encodedFile);
|
||||
goto out;
|
||||
}
|
||||
printf("read %d bytes from file\n", encryptedSz);
|
||||
|
||||
decryptedSz = signedData_verify(encrypted, encryptedSz,
|
||||
cert, certSz, key, keySz,
|
||||
decrypted, decryptedSz);
|
||||
if (decryptedSz < 0)
|
||||
return -1;
|
||||
#endif
|
||||
out:
|
||||
|
||||
if (contentRead != NULL)
|
||||
XFREE(contentRead, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
if (encrypted != NULL)
|
||||
XFREE(encrypted, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
if (decrypted != NULL)
|
||||
XFREE(decrypted, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
printf("Must build wolfSSL using ./configure --enable-pkcs7\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -120,7 +120,7 @@ static int signedData_sign_noattrs(byte* cert, word32 certSz, byte* key,
|
|||
pkcs7->signedAttribsSz = 0;
|
||||
|
||||
if (streamMode) {
|
||||
wc_PKCS7_SetStreamMode(pkcs7, 1);
|
||||
wc_PKCS7_SetStreamMode(pkcs7, 1, NULL, NULL);
|
||||
}
|
||||
|
||||
if (noCerts) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue