add CMS examples for KEKRI with EnvelopedData and AuthEnvelopedData
Chris Conlon
parent
35675c7242
commit
f6f8ad2374
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@ -110,12 +110,15 @@ ecc/ecc-verify
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pkcs7/pkcs7-verify
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pkcs7/authEnvelopedData-kari
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pkcs7/authEnvelopedData-ktri
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pkcs7/authEnvelopedData-kekri
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pkcs7/authEnvelopedData-ori
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pkcs7/authEnvelopedData-pwri
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pkcs7/encryptedData
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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-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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@ -40,7 +40,7 @@ clean:
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signedCompressedFPD_attrs.der signedCompressedFPD_noattrs.der \
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signedEncryptedCompressedFPD_attrs.der signedEncryptedCompressedFPD_noattrs.der \
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envelopedDataKTRI.der envelopedDataKARI.der \
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envelopedDataPWRI.der envelopedDataORI.der \
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envelopedDataPWRI.der envelopedDataORI.der envelopedDataKEKRI.der \
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authEnvelopedDataKARI.der authEnvelopedDataKTRI.der \
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authEnvelopedDataORI.der authEnvelopedDataPWRI.der encryptedData.der \
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compressedData.der
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authEnvelopedDataKEKRI.der compressedData.der
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@ -187,6 +187,28 @@ of the bundle will be printed out to the terminal window.
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Successfully encoded EnvelopedData bundle (envelopedDataKARI.der)
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```
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### EnvelopedData using KEKRI RecipientInfo
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Example file: `envelopedData-kekri.c`
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Generated bundle file: `envelopedDataKEKRI.der`
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This example creates a PKCS#7/CMS EnvelopedData bundle that includes a KEKRI
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RecipientInfo type. It uses AES256-CBC as the encryption algorithm, and
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specifies the enveloped content type as DATA. After creating the bundle,
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it decodes the enveloped bundle and verifies the operation was successful.
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The generated EnvelopedData bundle is written out to a file for analysis and
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additional debugging.
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If wolfSSL has been configured and compiled with debug support, the bytes
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of the bundle will be printed out to the terminal window.
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```
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./envelopedData-kekri
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Successfully encoded EnvelopedData bundle (envelopedDataKEKRI.der)
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Successfully decoded EnvelopedData bundle (envelopedDataKEKRI.der)
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```
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### EnvelopedData using PWRI RecipientInfo
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Example file: `envelopedData-pwri.c`
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@ -276,6 +298,28 @@ of the bundle will be printed out to the terminal window.
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Successfully encoded AuthEnvelopedData bundle (authEnvelopedDataKARI.der)
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```
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### AuthEnvelopedData using KEKRI RecipientInfo
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Example file: `authEnvelopedData-kekri.c`
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Generated bundle file: `authEnvelopedDataKEKRI.der`
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This example creates a PKCS#7/CMS AuthEnvelopedData bundle that includes a KEKRI
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RecipientInfo type. It uses AES256-GCM as the encryption algorithm, and
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specifies the enveloped content type as DATA. After creating the bundle,
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it decodes the enveloped bundle and verifies the operation was successful.
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The generated EnvelopedData bundle is written out to a file for analysis and
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additional debugging.
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If wolfSSL has been configured and compiled with debug support, the bytes
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of the bundle will be printed out to the terminal window.
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```
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./authEnvelopedData-kekri
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Successfully encoded AuthEnvelopedData bundle (authEnvelopedDataKEKRI.der)
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Successfully decoded AuthEnvelopedData bundle (authEnvelopedDataKEKRI.der)
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```
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### AuthEnvelopedData using PWRI RecipientInfo
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Example file: `authEnvelopedData-pwri.c`
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@ -0,0 +1,203 @@
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/* authEnvelopedData-kekri.c
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*
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* Copyright (C) 2006-2018 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 encodedFileKEKRI "authEnvelopedDataKEKRI.der"
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static const byte data[] = { /* Hello World */
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0x48,0x65,0x6c,0x6c,0x6f,0x20,0x57,0x6f,
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0x72,0x6c,0x64
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};
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/* encryption key for kekri recipient type */
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static byte aes256Key[] = {
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08
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};
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/* encryption key identifier */
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byte keyId[] = {
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0x02, 0x02, 0x03, 0x04
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};
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static int write_file_buffer(const char* fileName, byte* in, word32 inSz)
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{
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int ret;
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FILE* file;
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file = fopen(fileName, "wb");
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if (file == NULL) {
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printf("ERROR: opening file for writing: %s\n", fileName);
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return -1;
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}
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ret = (int)fwrite(in, 1, inSz, file);
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if (ret == 0) {
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printf("ERROR: writing buffer to output file\n");
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return -1;
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}
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fclose(file);
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return 0;
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}
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static int authEnvelopedData_encrypt(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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pkcs7->content = (byte*)data;
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pkcs7->contentSz = sizeof(data);
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pkcs7->contentOID = DATA;
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pkcs7->encryptOID = AES256GCMb;
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pkcs7->ukm = NULL;
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pkcs7->ukmSz = 0;
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pkcs7->authAttribs = NULL;
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pkcs7->authAttribsSz = 0;
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pkcs7->unauthAttribs = NULL;
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pkcs7->unauthAttribsSz = 0;
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/* add recipient (KEKRI type) */
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ret = wc_PKCS7_AddRecipient_KEKRI(pkcs7, AES128_WRAP, aes256Key,
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sizeof(aes256Key), keyId, sizeof(keyId),
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NULL, NULL, 0, NULL, 0, 0);
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if (ret < 0) {
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printf("wc_PKCS7_AddRecipient_KEKRI() 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 authEnvelopedData, returns size */
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ret = wc_PKCS7_EncodeAuthEnvelopedData(pkcs7, out, outSz);
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if (ret <= 0) {
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printf("wc_PKCS7_EncodeAuthEnvelopedData() 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 AuthEnvelopedData bundle (%s)\n",
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encodedFileKEKRI);
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if (write_file_buffer(encodedFileKEKRI, out, ret) != 0) {
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printf("ERROR: error writing encoded to output file\n");
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return -1;
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}
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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 authEnvelopedData_decrypt(byte* in, word32 inSz, byte* out,
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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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/* set recipient private key */
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ret = wc_PKCS7_SetKey(pkcs7, aes256Key, sizeof(aes256Key));
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if (ret != 0) {
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printf("ERROR: wc_PKCS7_SetKey(), 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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/* decode authEnvelopedData, returns size */
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ret = wc_PKCS7_DecodeAuthEnvelopedData(pkcs7, in, inSz, out, outSz);
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if (ret <= 0) {
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printf("ERROR: wc_PKCS7_DecodeAuthEnvelopedData(), 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 decoded AuthEnvelopedData bundle (%s)\n",
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encodedFileKEKRI);
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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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#ifdef HAVE_PKCS7
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int main(int argc, char** argv)
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{
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int encryptedSz, decryptedSz;
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byte encrypted[1024];
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byte decrypted[1024];
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#ifdef DEBUG_WOLFSSL
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wolfSSL_Debugging_ON();
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#endif
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encryptedSz = authEnvelopedData_encrypt(encrypted, sizeof(encrypted));
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if (encryptedSz < 0)
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return -1;
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#ifdef DEBUG_WOLFSSL
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printf("AuthEnvelopedData DER (%d byte):\n", encryptedSz);
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WOLFSSL_BUFFER(encrypted, encryptedSz);
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#endif
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decryptedSz = authEnvelopedData_decrypt(encrypted, encryptedSz,
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decrypted, sizeof(decrypted));
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if (decryptedSz < 0)
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return -1;
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#ifdef DEBUG_WOLFSSL
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printf("Decrypted content (%d byte):\n", decryptedSz);
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WOLFSSL_BUFFER(decrypted, decryptedSz);
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#endif
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(void)argc;
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(void)argv;
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return 0;
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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\n");
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return 0;
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}
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#endif
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@ -0,0 +1,198 @@
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/* envelopedData-kekri.c
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*
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* Copyright (C) 2006-2018 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 encodedFileKEKRI "envelopedDataKEKRI.der"
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static const byte data[] = { /* Hello World */
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0x48,0x65,0x6c,0x6c,0x6f,0x20,0x57,0x6f,
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0x72,0x6c,0x64
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};
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/* encryption key for kekri recipient type */
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static byte aes256Key[] = {
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
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0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08
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};
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/* encryption key identifier */
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byte keyId[] = {
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0x02, 0x02, 0x03, 0x04
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};
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static int write_file_buffer(const char* fileName, byte* in, word32 inSz)
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{
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int ret;
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FILE* file;
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file = fopen(fileName, "wb");
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if (file == NULL) {
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printf("ERROR: opening file for writing: %s\n", fileName);
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return -1;
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}
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ret = (int)fwrite(in, 1, inSz, file);
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if (ret == 0) {
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printf("ERROR: writing buffer to output file\n");
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return -1;
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}
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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* 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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pkcs7->content = (byte*)data;
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pkcs7->contentSz = sizeof(data);
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pkcs7->contentOID = DATA;
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pkcs7->encryptOID = AES256CBCb;
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pkcs7->ukm = NULL;
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pkcs7->ukmSz = 0;
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/* add recipient (KEKRI type) */
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ret = wc_PKCS7_AddRecipient_KEKRI(pkcs7, AES128_WRAP, aes256Key,
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sizeof(aes256Key), keyId, sizeof(keyId),
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NULL, NULL, 0, NULL, 0, 0);
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if (ret < 0) {
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printf("wc_PKCS7_AddRecipient_KEKRI() 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("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)\n",
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encodedFileKEKRI);
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if (write_file_buffer(encodedFileKEKRI, out, ret) != 0) {
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printf("ERROR: error writing encoded to output file\n");
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return -1;
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}
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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* 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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/* set recipient private key */
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ret = wc_PKCS7_SetKey(pkcs7, aes256Key, sizeof(aes256Key));
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if (ret != 0) {
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printf("ERROR: wc_PKCS7_SetKey(), 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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/* 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("ERROR: wc_PKCS7_DecodeEnvelopedData(), 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 decoded EnvelopedData bundle (%s)\n",
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encodedFileKEKRI);
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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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#ifdef HAVE_PKCS7
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int main(int argc, char** argv)
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{
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int encryptedSz, decryptedSz;
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byte encrypted[1024];
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byte decrypted[1024];
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#ifdef DEBUG_WOLFSSL
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wolfSSL_Debugging_ON();
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#endif
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encryptedSz = envelopedData_encrypt(encrypted, sizeof(encrypted));
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if (encryptedSz < 0)
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return -1;
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#ifdef DEBUG_WOLFSSL
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printf("EnvelopedData DER (%d byte):\n", encryptedSz);
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WOLFSSL_BUFFER(encrypted, encryptedSz);
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#endif
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decryptedSz = envelopedData_decrypt(encrypted, encryptedSz,
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decrypted, sizeof(decrypted));
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if (decryptedSz < 0)
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return -1;
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||||
|
||||
#ifdef DEBUG_WOLFSSL
|
||||
printf("Decrypted content (%d byte):\n", decryptedSz);
|
||||
WOLFSSL_BUFFER(decrypted, decryptedSz);
|
||||
#endif
|
||||
|
||||
(void)argc;
|
||||
(void)argv;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
printf("Must build wolfSSL using ./configure --enable-pkcs7\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue