blob: 14eff3ebd853d238d6a75335b1f932c6a4cc918b [file] [log] [blame]
// encrypt.c
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cose/cose.h>
#include <cose/cose_configure.h>
#include <cn-cbor/cn-cbor.h>
#if (INCLUDE_ENCRYPT || INCLUDE_ENCRYPT0 || INCLUDE_MAC) && (!INCLUDE_MAC || !INCLUDE_SIGN)
#include <cose_int.h>
#endif
#include "json.h"
#include "test.h"
#include "context.h"
#ifdef _MSC_VER
#pragma warning (disable: 4127)
#endif
#if INCLUDE_ENCRYPT
bool DecryptMessage(const byte * pbEncoded, size_t cbEncoded, bool fFailBody, const cn_cbor * pEnveloped, const cn_cbor * pRecipient1, int iRecipient1, const cn_cbor * pRecipient2, int iRecipient2)
{
HCOSE_ENVELOPED hEnc = NULL;
HCOSE_RECIPIENT hRecip = NULL;
HCOSE_RECIPIENT hRecip1 = NULL;
HCOSE_RECIPIENT hRecip2 = NULL;
bool fRet = false;
int type;
cose_errback cose_err;
cn_cbor * pkey;
bool fNoSupport = false;
hEnc = (HCOSE_ENVELOPED)COSE_Decode(pbEncoded, cbEncoded, &type, COSE_enveloped_object, CBOR_CONTEXT_PARAM_COMMA &cose_err);
if (hEnc == NULL) {
if (fFailBody && (cose_err.err == COSE_ERR_INVALID_PARAMETER)) return true;
goto errorReturn;
}
if (!SetReceivingAttributes((HCOSE)hEnc, pEnveloped, Attributes_Enveloped_protected)) goto errorReturn;
cn_cbor * alg = COSE_Enveloped_map_get_int(hEnc, COSE_Header_Algorithm, COSE_BOTH, NULL);
if (!IsAlgorithmSupported(alg)) {
fNoSupport = true;
}
hRecip1 = COSE_Enveloped_GetRecipient(hEnc, iRecipient1, NULL);
if (hRecip1 == NULL) goto errorReturn;
if (!SetReceivingAttributes((HCOSE)hRecip1, pRecipient1, Attributes_Recipient_protected)) goto errorReturn;
if (pRecipient2 != NULL) {
pkey = BuildKey(cn_cbor_mapget_string(pRecipient2, "key"), false);
if (pkey == NULL) goto errorReturn;
hRecip2 = COSE_Recipient_GetRecipient(hRecip1, iRecipient2, NULL);
if (hRecip2 == NULL) goto errorReturn;
if (!SetReceivingAttributes((HCOSE)hRecip2, pRecipient2, Attributes_Recipient_protected)) goto errorReturn;
if (!COSE_Recipient_SetKey(hRecip2, pkey, NULL)) goto errorReturn;
cn_cbor * cnStatic = cn_cbor_mapget_string(pRecipient2, "sender_key");
if (cnStatic != NULL) {
if (COSE_Recipient_map_get_int(hRecip2, COSE_Header_ECDH_SPK, COSE_BOTH, NULL) == 0) {
COSE_Recipient_map_put_int(hRecip2, COSE_Header_ECDH_SPK, BuildKey(cnStatic, true), COSE_DONT_SEND, NULL);
}
}
hRecip = hRecip2;
}
else {
pkey = BuildKey(cn_cbor_mapget_string(pRecipient1, "key"), false);
if (pkey == NULL) goto errorReturn;
if (!COSE_Recipient_SetKey(hRecip1, pkey, NULL)) goto errorReturn;
cn_cbor * cnStatic = cn_cbor_mapget_string(pRecipient1, "sender_key");
if (cnStatic != NULL) {
if (COSE_Recipient_map_get_int(hRecip1, COSE_Header_ECDH_SPK, COSE_BOTH, NULL) == 0) {
COSE_Recipient_map_put_int(hRecip1, COSE_Header_ECDH_SPK, BuildKey(cnStatic, true), COSE_DONT_SEND, NULL);
}
}
hRecip = hRecip1;
}
if (!fFailBody) {
cn_cbor * cn = cn_cbor_mapget_string(pRecipient1, "fail");
if (cn != NULL && (cn->type == CN_CBOR_TRUE)) fFailBody = true;
if (fFailBody && (pRecipient2 != NULL)) {
cn = cn_cbor_mapget_string(pRecipient2, "fail");
if (cn != NULL && (cn->type == CN_CBOR_TRUE)) fFailBody = true;
}
if (hRecip2 != NULL) {
alg = COSE_Recipient_map_get_int(hRecip2, COSE_Header_Algorithm, COSE_BOTH, NULL);
if (!IsAlgorithmSupported(alg)) fNoSupport = true;
}
alg = COSE_Recipient_map_get_int(hRecip1, COSE_Header_Algorithm, COSE_BOTH, NULL);
if (!IsAlgorithmSupported(alg)) fNoSupport = true;
}
if (COSE_Enveloped_decrypt(hEnc, hRecip, NULL)) {
fRet = !fFailBody;
}
else {
if (fNoSupport) fRet = false;
else fRet = fFailBody;
}
if (!fRet && !fNoSupport) CFails++;
errorReturn:
if (hEnc != NULL) COSE_Enveloped_Free(hEnc);
if (hRecip1 != NULL) COSE_Recipient_Free(hRecip1);
if (hRecip2 != NULL) COSE_Recipient_Free(hRecip2);
return fRet;
}
int _ValidateEnveloped(const cn_cbor * pControl, const byte * pbEncoded, size_t cbEncoded)
{
const cn_cbor * pInput = cn_cbor_mapget_string(pControl, "input");
const cn_cbor * pFail;
const cn_cbor * pEnveloped;
const cn_cbor * pRecipients;
int iRecipient;
bool fFailBody = false;
int passCount = 0;
pFail = cn_cbor_mapget_string(pControl, "fail");
if ((pFail != NULL) && (pFail->type == CN_CBOR_TRUE)) {
fFailBody = true;
}
if ((pInput == NULL) || (pInput->type != CN_CBOR_MAP)) goto errorReturn;
pEnveloped = cn_cbor_mapget_string(pInput, "enveloped");
if ((pEnveloped == NULL) || (pEnveloped->type != CN_CBOR_MAP)) goto errorReturn;
pRecipients = cn_cbor_mapget_string(pEnveloped, "recipients");
if ((pRecipients == NULL) || (pRecipients->type != CN_CBOR_ARRAY)) goto errorReturn;
iRecipient = (int) pRecipients->length - 1;
pRecipients = pRecipients->first_child;
for (; pRecipients != NULL; iRecipient--, pRecipients = pRecipients->next) {
cn_cbor * pRecip2 = cn_cbor_mapget_string(pRecipients, "recipients");
if (pRecip2 == NULL) {
if (DecryptMessage(pbEncoded, cbEncoded, fFailBody, pEnveloped, pRecipients, iRecipient, NULL, 0)) passCount++;
}
else {
int iRecipient2 = (int)(pRecip2->length - 1);
pRecip2 = pRecip2->first_child;
for (; pRecip2 != NULL; pRecip2 = pRecip2->next, iRecipient2--) {
if (DecryptMessage(pbEncoded, cbEncoded, fFailBody, pEnveloped, pRecipients, iRecipient, pRecip2, iRecipient2))passCount++;
}
}
}
return passCount > 0;
errorReturn:
CFails += 1;
return 0;
}
int ValidateEnveloped(const cn_cbor * pControl)
{
int cbEncoded;
byte * pbEncoded = GetCBOREncoding(pControl, &cbEncoded);
return _ValidateEnveloped(pControl, pbEncoded, cbEncoded);
}
HCOSE_RECIPIENT BuildRecipient(const cn_cbor * pRecipient)
{
HCOSE_RECIPIENT hRecip = COSE_Recipient_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hRecip == NULL) goto returnError;
if (!SetSendingAttributes((HCOSE)hRecip, pRecipient, Attributes_Recipient_protected)) goto returnError;
cn_cbor * cnKey = cn_cbor_mapget_string(pRecipient, "key");
if (cnKey != NULL) {
cn_cbor * pkey = BuildKey(cnKey, true);
if (pkey == NULL) goto returnError;
if (!COSE_Recipient_SetKey(hRecip, pkey, NULL)) goto returnError;
}
cnKey = cn_cbor_mapget_string(pRecipient, "recipients");
if (cnKey != NULL) {
for (cnKey = cnKey->first_child; cnKey != NULL; cnKey = cnKey->next) {
HCOSE_RECIPIENT hRecip2 = BuildRecipient(cnKey);
if (hRecip2 == NULL) goto returnError;
if (!COSE_Recipient_AddRecipient(hRecip, hRecip2, NULL)) goto returnError;
COSE_Recipient_Free(hRecip2);
}
}
cn_cbor * pSenderKey = cn_cbor_mapget_string(pRecipient, "sender_key");
if (pSenderKey != NULL) {
cn_cbor * pSendKey = BuildKey(pSenderKey, false);
cn_cbor * pKid = cn_cbor_mapget_string(pSenderKey, "kid");
if (!COSE_Recipient_SetSenderKey(hRecip, pSendKey, (pKid == NULL) ? 2 : 1, NULL)) goto returnError;
}
return hRecip;
returnError:
COSE_Recipient_Free(hRecip);
return NULL;
}
int BuildEnvelopedMessage(const cn_cbor * pControl)
{
int iRecipient;
//
// We don't run this for all control sequences - skip those marked fail.
//
const cn_cbor * pFail = cn_cbor_mapget_string(pControl, "fail");
if ((pFail != NULL) && (pFail->type == CN_CBOR_TRUE)) return 0;
HCOSE_ENVELOPED hEncObj = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
const cn_cbor * pInputs = cn_cbor_mapget_string(pControl, "input");
if (pInputs == NULL) goto returnError;
const cn_cbor * pEnveloped = cn_cbor_mapget_string(pInputs, "enveloped");
if (pEnveloped == NULL) goto returnError;
const cn_cbor * pContent = cn_cbor_mapget_string(pInputs, "plaintext");
if (!COSE_Enveloped_SetContent(hEncObj, pContent->v.bytes, pContent->length, NULL)) goto returnError;
if (!SetSendingAttributes((HCOSE)hEncObj, pEnveloped, Attributes_Enveloped_protected)) goto returnError;
#if 0
const cn_cbor * pCounterSign = cn_cbor_mapget_string(pEnveloped, "countersign");
if (pCounterSign != NULL) {
HCOSE_COUNTERSIGN hCSign = BuildCounterSign(pCounterSign);
if (hCSign == NULL) goto returnError;
if (!COSE_Enveloped_AddCounterSigner(hEncObj, hCSign, NULL)) goto returnError;
}
#endif
const cn_cbor * pAlg = COSE_Enveloped_map_get_int(hEncObj, 1, COSE_BOTH, NULL);
if (pAlg == NULL) goto returnError;
const cn_cbor * pRecipients = cn_cbor_mapget_string(pEnveloped, "recipients");
if ((pRecipients == NULL) || (pRecipients->type != CN_CBOR_ARRAY)) goto returnError;
pRecipients = pRecipients->first_child;
for (iRecipient = 0; pRecipients != NULL; iRecipient++, pRecipients = pRecipients->next) {
HCOSE_RECIPIENT hRecip = BuildRecipient(pRecipients);
if (hRecip == NULL) goto returnError;
if (!COSE_Enveloped_AddRecipient(hEncObj, hRecip, NULL)) goto returnError;
COSE_Recipient_Free(hRecip);
}
if (!COSE_Enveloped_encrypt(hEncObj, NULL)) goto returnError;
size_t cb = COSE_Encode((HCOSE)hEncObj, NULL, 0, 0) + 1;
byte * rgb = (byte *)malloc(cb);
cb = COSE_Encode((HCOSE)hEncObj, rgb, 0, cb);
COSE_Enveloped_Free(hEncObj);
int f = _ValidateEnveloped(pControl, rgb, cb);
free(rgb);
return f;
returnError:
CFails += 1;
return 0;
}
int EncryptMessage()
{
HCOSE_ENVELOPED hEncObj = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
byte rgbSecret[128 / 8] = { 'a', 'b', 'c' };
int cbSecret = 128/8;
byte rgbKid[15] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'l', 'm', 'n', 'o', 'p' };
int cbKid = 6;
size_t cb;
byte * rgb;
char * sz = "This is the content to be used";
HCOSE_RECIPIENT hRecip = NULL;
if (hEncObj == NULL) goto errorReturn;
if (!COSE_Enveloped_map_put_int(hEncObj, COSE_Header_Algorithm, cn_cbor_int_create(COSE_Algorithm_AES_CCM_16_64_128, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, NULL)) goto errorReturn;
if (!COSE_Enveloped_SetContent(hEncObj, (byte *) sz, strlen(sz), NULL)) goto errorReturn;
if (!COSE_Enveloped_map_put_int(hEncObj, COSE_Header_IV, cn_cbor_data_create(rgbKid, 13, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_UNPROTECT_ONLY, NULL)) goto errorReturn;
hRecip = COSE_Recipient_from_shared_secret(rgbSecret, cbSecret, rgbKid, cbKid, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hRecip == NULL) goto errorReturn;
if (!COSE_Enveloped_AddRecipient(hEncObj, hRecip, NULL)) goto errorReturn;
if (!COSE_Enveloped_encrypt(hEncObj, NULL)) goto errorReturn;
cb = COSE_Encode((HCOSE)hEncObj, NULL, 0, 0);
if (cb < 1) goto errorReturn;
rgb = (byte *)malloc(cb);
if (rgb == NULL) goto errorReturn;
cb = COSE_Encode((HCOSE)hEncObj, rgb, 0, cb);
if (cb < 1) goto errorReturn;
COSE_Recipient_Free(hRecip);
hRecip = NULL;
FILE * fp = fopen("test.cbor", "wb");
fwrite(rgb, cb, 1, fp);
fclose(fp);
#if 0
char * szX;
int cbPrint = 0;
cn_cbor * cbor = COSE_get_cbor((HCOSE) hEncObj);
cbPrint = cn_cbor_printer_write(NULL, 0, cbor, " ", "\r\n");
szX = malloc(cbPrint);
cn_cbor_printer_write(szX, cbPrint, cbor, " ", "\r\n");
fprintf(stdout, "%s", szX);
fprintf(stdout, "\r\n");
#endif
COSE_Enveloped_Free(hEncObj);
hEncObj = NULL;
/* */
int typ;
hEncObj = (HCOSE_ENVELOPED) COSE_Decode(rgb, (int) cb, &typ, COSE_enveloped_object, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEncObj == NULL) goto errorReturn;
int iRecipient = 0;
do {
hRecip = COSE_Enveloped_GetRecipient(hEncObj, iRecipient, NULL);
if (hRecip == NULL) break;
if (!COSE_Recipient_SetKey_secret(hRecip, rgbSecret, cbSecret, NULL, 0, NULL)) goto errorReturn;
if (!COSE_Enveloped_decrypt(hEncObj, hRecip, NULL)) goto errorReturn;
COSE_Recipient_Free(hRecip);
hRecip = NULL;
iRecipient += 1;
} while (true);
COSE_Enveloped_Free(hEncObj);
return 1;
errorReturn:
if (hEncObj != NULL) COSE_Enveloped_Free(hEncObj);
if (hRecip != NULL) COSE_Recipient_Free(hRecip);
CFails++;
return 0;
}
#endif
/********************************************/
#if INCLUDE_ENCRYPT0
int _ValidateEncrypt(const cn_cbor * pControl, const byte * pbEncoded, size_t cbEncoded, cn_cbor * pcnEncoded)
{
const cn_cbor * pInput = cn_cbor_mapget_string(pControl, "input");
const cn_cbor * pFail;
const cn_cbor * pEncrypt;
const cn_cbor * pRecipients;
HCOSE_ENCRYPT hEnc;
int type;
bool fFail = false;
bool fFailBody = false;
bool fAlgSupport = true;
pFail = cn_cbor_mapget_string(pControl, "fail");
if ((pFail != NULL) && (pFail->type == CN_CBOR_TRUE)) {
fFailBody = true;
}
if ((pInput == NULL) || (pInput->type != CN_CBOR_MAP)) goto returnError;
pEncrypt = cn_cbor_mapget_string(pInput, "encrypted");
if ((pEncrypt == NULL) || (pEncrypt->type != CN_CBOR_MAP)) goto returnError;
pRecipients = cn_cbor_mapget_string(pEncrypt, "recipients");
if ((pRecipients == NULL) || (pRecipients->type != CN_CBOR_ARRAY)) goto returnError;
pRecipients = pRecipients->first_child;
if (pcnEncoded == NULL) {
hEnc = (HCOSE_ENCRYPT)COSE_Decode(pbEncoded, cbEncoded, &type, COSE_encrypt_object, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEnc == NULL) { if (fFailBody) return 0; else goto returnError; }
}
else {
hEnc = COSE_Encrypt_Init_From_Object(pcnEncoded, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEnc == NULL) { if (fFailBody) return 0; else goto returnError; }
}
if (!SetReceivingAttributes((HCOSE)hEnc, pEncrypt, Attributes_Encrypt_protected)) goto returnError;
cn_cbor * pkey = BuildKey(cn_cbor_mapget_string(pRecipients, "key"), true);
if (pkey == NULL) goto returnError;
cn_cbor * k = cn_cbor_mapget_int(pkey, -1);
if (k == NULL) {
fFail = true;
goto exitHere;
}
cn_cbor * alg = COSE_Encrypt_map_get_int(hEnc, COSE_Header_Algorithm, COSE_BOTH, NULL);
if (!IsAlgorithmSupported(alg)) {
fAlgSupport = false;
fFail = false;
goto exitHere;
}
pFail = cn_cbor_mapget_string(pRecipients, "fail");
if (COSE_Encrypt_decrypt(hEnc, k->v.bytes, k->length, NULL)) {
if (!fAlgSupport) {
fFail = true;
fAlgSupport = false;
}
else if ((pFail != NULL) && (pFail->type != CN_CBOR_TRUE)) fFail = true;
size_t cb;
byte * pb;
pb = COSE_Encrypt_GetContent(hEnc, &cb, NULL);
}
else {
if (fAlgSupport) {
fFail = true;
fAlgSupport = false;
}
else if ((pFail == NULL) || (pFail->type == CN_CBOR_FALSE)) fFail = true;
}
COSE_Encrypt_Free(hEnc);
exitHere:
if (fAlgSupport) {
if (fFailBody) {
if (!fFail) fFail = true;
else fFail = false;
}
}
else {
fFail = false;
}
if (fFail) CFails += 1;
return fAlgSupport ? 1 : 0;
returnError:
CFails += 1;
return 0;
}
int ValidateEncrypt(const cn_cbor * pControl)
{
int cbEncoded;
byte * pbEncoded = GetCBOREncoding(pControl, &cbEncoded);
int fRet;
fRet = _ValidateEncrypt(pControl, pbEncoded, cbEncoded, NULL);
if (!fRet) return fRet;
cn_cbor * cbor = cn_cbor_decode(pbEncoded, cbEncoded, CBOR_CONTEXT_PARAM_COMMA NULL);
if (cbor == NULL) return false;
return _ValidateEncrypt(pControl, NULL, 0, cbor);
}
int BuildEncryptMessage(const cn_cbor * pControl)
{
//
// We don't run this for all control sequences - skip those marked fail.
//
const cn_cbor * pFail = cn_cbor_mapget_string(pControl, "fail");
if ((pFail != NULL) && (pFail->type == CN_CBOR_TRUE)) return 0;
HCOSE_ENCRYPT hEncObj = COSE_Encrypt_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
const cn_cbor * pInputs = cn_cbor_mapget_string(pControl, "input");
if (pInputs == NULL) goto returnError;
const cn_cbor * pEncrypt = cn_cbor_mapget_string(pInputs, "encrypted");
if (pEncrypt == NULL) goto returnError;
const cn_cbor * pContent = cn_cbor_mapget_string(pInputs, "plaintext");
if (!COSE_Encrypt_SetContent(hEncObj, pContent->v.bytes, pContent->length, NULL)) goto returnError;
if (!SetSendingAttributes((HCOSE)hEncObj, pEncrypt, Attributes_Encrypt_protected)) goto returnError;
const cn_cbor * pAlg = COSE_Encrypt_map_get_int(hEncObj, 1, COSE_BOTH, NULL);
if (pAlg == NULL) goto returnError;
const cn_cbor * pRecipients = cn_cbor_mapget_string(pEncrypt, "recipients");
if ((pRecipients == NULL) || (pRecipients->type != CN_CBOR_ARRAY)) goto returnError;
pRecipients = pRecipients->first_child;
cn_cbor * pkey = BuildKey(cn_cbor_mapget_string(pRecipients, "key"), false);
if (pkey == NULL) goto returnError;
cn_cbor * k = cn_cbor_mapget_int(pkey, -1);
if (!COSE_Encrypt_encrypt(hEncObj, k->v.bytes, k->length, NULL)) goto returnError;
size_t cb = COSE_Encode((HCOSE)hEncObj, NULL, 0, 0) + 1;
byte * rgb = (byte *)malloc(cb);
cb = COSE_Encode((HCOSE)hEncObj, rgb, 0, cb);
COSE_Encrypt_Free(hEncObj);
int f = _ValidateEncrypt(pControl, rgb, cb, NULL);
free(rgb);
return f;
returnError:
CFails += 1;
return 1;
}
#endif
#if INCLUDE_ENCRYPT
void Enveloped_Corners()
{
HCOSE_ENVELOPED hEncryptNULL = NULL;
HCOSE_ENVELOPED hEncrypt = NULL;
HCOSE_ENVELOPED hEncryptBad = NULL;
HCOSE_RECIPIENT hRecipientNULL = NULL;
HCOSE_RECIPIENT hRecipient = NULL;
HCOSE_RECIPIENT hRecipientBad = NULL;
byte rgb[10];
cn_cbor * cn = cn_cbor_int_create(5, CBOR_CONTEXT_PARAM_COMMA NULL);
cose_errback cose_error;
hEncrypt = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
#if INCLUDE_MAC
hEncryptBad = (HCOSE_ENVELOPED)COSE_Mac_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
#else
hEncryptBad = (HCOSE_ENVELOPED)COSE_CALLOC(1, sizeof(COSE), context);
#endif
hRecipient = COSE_Recipient_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
#if INCLUDE_MAC
hRecipientBad = (HCOSE_RECIPIENT)COSE_Mac_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
#else
hRecipientBad = (HCOSE_RECIPIENT)COSE_CALLOC(1, sizeof(COSE), context);
#endif
// Missing case - addref then release on item
//
// Do parameter checks
// - NULL handle
// - Incorrect handle
// - NULL pointer
//
CHECK_FAILURE(COSE_Enveloped_SetContent(hEncryptNULL, rgb, 10, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_SetContent(hEncryptBad, rgb, 10, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_SetContent(hEncrypt, NULL, 10, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Enveloped_map_put_int(hEncryptNULL, 1, cn, COSE_PROTECT_ONLY, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_map_put_int(hEncryptBad, 1, cn, COSE_PROTECT_ONLY, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_map_put_int(hEncrypt, 1, cn, COSE_PROTECT_ONLY | COSE_UNPROTECT_ONLY, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Enveloped_map_put_int(hEncrypt, 1, NULL, COSE_PROTECT_ONLY, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Enveloped_map_get_int(hEncryptNULL, 1, COSE_BOTH, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_map_get_int(hEncryptBad, 1, COSE_BOTH, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_encrypt(hEncryptNULL, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_encrypt(hEncryptBad, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_decrypt(hEncryptNULL, hRecipient, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_decrypt(hEncryptBad, hRecipient, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_decrypt(hEncrypt, hRecipientNULL, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_decrypt(hEncrypt, hRecipientBad, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_AddRecipient(hEncryptNULL, hRecipient, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_AddRecipient(hEncryptBad, hRecipient, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_AddRecipient(hEncrypt, hRecipientNULL, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_AddRecipient(hEncrypt, hRecipientBad, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE_PTR(COSE_Enveloped_GetRecipient(hEncryptNULL, 0, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE_PTR(COSE_Enveloped_GetRecipient(hEncryptBad, 0, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_SetExternal(hEncryptNULL, rgb, 10, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_SetExternal(hEncryptBad, rgb, 10, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Enveloped_SetExternal(hEncrypt, NULL, 10, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
if (!COSE_Enveloped_Free(hEncrypt)) CFails++;
if (!COSE_Recipient_Free(hRecipient)) CFails++;
//
// Unsupported algorithm
// Bad Int algorithm
hEncrypt = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEncrypt == NULL) CFails++;
CHECK_RETURN(COSE_Enveloped_SetContent(hEncrypt, (byte *) "Message", 7, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Enveloped_map_put_int(hEncrypt, COSE_Header_Algorithm, cn_cbor_int_create(-99, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, &cose_error), COSE_ERR_NONE, CFails++);
hRecipient = COSE_Recipient_from_shared_secret(rgb, sizeof(rgb), rgb, sizeof(rgb), CBOR_CONTEXT_PARAM_COMMA NULL);
if (hRecipient == NULL) CFails++;
CHECK_RETURN(COSE_Enveloped_AddRecipient(hEncrypt, hRecipient, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_FAILURE(COSE_Enveloped_encrypt(hEncrypt, &cose_error), COSE_ERR_UNKNOWN_ALGORITHM, CFails++);
COSE_Recipient_Free(hRecipient);
COSE_Enveloped_Free(hEncrypt);
hEncrypt = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEncrypt == NULL) CFails++;
CHECK_RETURN(COSE_Enveloped_SetContent(hEncrypt, (byte *) "Message", 7, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Enveloped_map_put_int(hEncrypt, COSE_Header_Algorithm, cn_cbor_string_create("hmac", CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, &cose_error), COE_ERR_NONE, CFails++);
hRecipient = COSE_Recipient_from_shared_secret(rgb, sizeof(rgb), rgb, sizeof(rgb), CBOR_CONTEXT_PARAM_COMMA NULL);
if (hRecipient == NULL) CFails++;
CHECK_RETURN(COSE_Enveloped_AddRecipient(hEncrypt, hRecipient, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_FAILURE(COSE_Enveloped_encrypt(hEncrypt, &cose_error), COSE_ERR_UNKNOWN_ALGORITHM, CFails++);
//
// Over shoot the recipients
CHECK_FAILURE_PTR(COSE_Enveloped_GetRecipient(hEncrypt, -1, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE_PTR(COSE_Enveloped_GetRecipient(hEncrypt, 9, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
COSE_Enveloped_Free(hEncrypt);
COSE_Recipient_Free(hRecipient);
return;
}
#endif
#if INCLUDE_ENCRYPT0
void Encrypt_Corners()
{
HCOSE_ENCRYPT hEncrypt = NULL;
byte rgb[10];
cn_cbor * cn = cn_cbor_int_create(5, CBOR_CONTEXT_PARAM_COMMA NULL);
cose_errback cose_error;
// Missing case - addref then release on item
// NULL Handle checks
if (COSE_Encrypt_SetContent(hEncrypt, rgb, 10, NULL)) CFails++;
if (COSE_Encrypt_map_get_int(hEncrypt, 1, COSE_BOTH, NULL)) CFails++;
if (COSE_Encrypt_map_put_int(hEncrypt, 1, cn, COSE_PROTECT_ONLY, NULL)) CFails++;
if (COSE_Encrypt_SetExternal(hEncrypt, rgb, 10, NULL)) CFails++;
if (COSE_Encrypt_encrypt(hEncrypt, rgb, sizeof(rgb), NULL)) CFails++;
if (COSE_Encrypt_decrypt(hEncrypt, rgb, sizeof(rgb), NULL)) CFails++;
if (COSE_Encrypt_Free((HCOSE_ENCRYPT)hEncrypt)) CFails++;
// Wrong type of handle checks
#if INCLUDE_MAC
hEncrypt = (HCOSE_ENCRYPT) COSE_Mac_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
#else
hEncrypt = (HCOSE_ENCRYPT)COSE_CALLOC(1, sizeof(COSE), context);
#endif
if (COSE_Encrypt_SetContent(hEncrypt, rgb, 10, NULL)) CFails++;
if (COSE_Encrypt_map_get_int(hEncrypt, 1, COSE_BOTH, NULL)) CFails++;
if (COSE_Encrypt_map_put_int(hEncrypt, 1, cn, COSE_PROTECT_ONLY, NULL)) CFails++;
if (COSE_Encrypt_encrypt(hEncrypt, rgb, sizeof(rgb), NULL)) CFails++;
if (COSE_Encrypt_SetExternal(hEncrypt, rgb, 10, NULL)) CFails++;
if (COSE_Encrypt_decrypt(hEncrypt, rgb, sizeof(rgb), NULL)) CFails++;
if (COSE_Encrypt_Free(hEncrypt)) CFails++;
//
// Unsupported algorithm
hEncrypt = COSE_Encrypt_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEncrypt == NULL) CFails++;
if (!COSE_Encrypt_SetContent(hEncrypt, (byte *) "Message", 7, NULL)) CFails++;
if (!COSE_Encrypt_map_put_int(hEncrypt, COSE_Header_Algorithm, cn_cbor_int_create(-99, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, NULL)) CFails++;
CHECK_FAILURE(COSE_Encrypt_encrypt(hEncrypt, rgb, sizeof(rgb), &cose_error), COSE_ERR_UNKNOWN_ALGORITHM, CFails++);
COSE_Encrypt_Free(hEncrypt);
hEncrypt = COSE_Encrypt_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
if (hEncrypt == NULL) CFails++;
if (!COSE_Encrypt_SetContent(hEncrypt, (byte *) "Message", 7, NULL)) CFails++;
if (!COSE_Encrypt_map_put_int(hEncrypt, COSE_Header_Algorithm, cn_cbor_int_create(-99, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, NULL)) CFails++;
CHECK_FAILURE(COSE_Encrypt_encrypt(hEncrypt, rgb, sizeof(rgb), &cose_error), COSE_ERR_UNKNOWN_ALGORITHM, CFails++);
COSE_Encrypt_Free(hEncrypt);
return;
}
#endif
#if INCLUDE_ENCRYPT || INCLUDE_MAC
void Recipient_Corners()
{
HCOSE_RECIPIENT hRecip;
HCOSE_RECIPIENT hRecipNULL = NULL;
HCOSE_RECIPIENT hRecipBad;
cose_errback cose_error;
byte rgb[10];
cn_cbor * cn = cn_cbor_int_create(1, CBOR_CONTEXT_PARAM_COMMA NULL);
hRecip = COSE_Recipient_Init(0, CBOR_CONTEXT_PARAM_COMMA &cose_error);
#if INCLUDE_SIGN
hRecipBad = (HCOSE_RECIPIENT)COSE_Signer_Init(CBOR_CONTEXT_PARAM_COMMA &cose_error);
#else
hRecipBad = (HCOSE_RECIPIENT)COSE_CALLOC(1, sizeof(COSE), context);
#endif
// Check for invalid parameters
CHECK_FAILURE_PTR(COSE_Recipient_from_shared_secret(NULL, 0, NULL, 0, CBOR_CONTEXT_PARAM_COMMA &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_SetKey_secret(hRecipNULL, rgb, sizeof(rgb), NULL, 0, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetKey_secret(hRecipBad, rgb, sizeof(rgb), NULL, 0, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetKey_secret(hRecip, NULL, sizeof(rgb), NULL, 0, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_SetKey(hRecipNULL, cn, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetKey(hRecipBad, cn, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetKey(hRecip, NULL, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_SetSenderKey(hRecipNULL, cn, 0, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetSenderKey(hRecipBad, cn, 0, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetSenderKey(hRecip, NULL, 0, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_SetSenderKey(hRecip, cn, 3, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_RETURN(COSE_Recipient_SetSenderKey(hRecip, cn, 0, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetExternal(hRecipNULL, rgb, 10, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_SetExternal(hRecipBad, rgb, 10, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_map_get_int(hRecipNULL, 1, COSE_BOTH, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_map_get_int(hRecipBad, 1, COSE_BOTH, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_map_get_int(hRecip, 1, COSE_BOTH, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_map_put_int(hRecipNULL, 1, cn, COSE_PROTECT_ONLY, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_map_put_int(hRecipBad, 1, cn, COSE_PROTECT_ONLY, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_map_put_int(hRecip, 1, NULL, COSE_PROTECT_ONLY, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_map_put_int(hRecip, 1, cn, COSE_PROTECT_ONLY | COSE_UNPROTECT_ONLY, &cose_error), COSE_ERR_INVALID_PARAMETER, CFails++);
CHECK_FAILURE(COSE_Recipient_AddRecipient(hRecipNULL, hRecip, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_AddRecipient(hRecipBad, hRecip, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_AddRecipient(hRecip, hRecipNULL, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
CHECK_FAILURE(COSE_Recipient_AddRecipient(hRecip, hRecipBad, &cose_error), COSE_ERR_INVALID_HANDLE, CFails++);
COSE_Recipient_Free(hRecip);
// Unknown algorithms
#if INCLUDE_ENCRYPT
HCOSE_ENVELOPED hEnv = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
hRecip = COSE_Recipient_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
CHECK_RETURN(COSE_Enveloped_map_put_int(hEnv, COSE_Header_Algorithm, cn_cbor_int_create(COSE_Algorithm_AES_GCM_128, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Enveloped_SetContent(hEnv, (byte *)"This the body", 13, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Recipient_map_put_int(hRecip, COSE_Header_Algorithm, cn_cbor_int_create(-99, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_UNPROTECT_ONLY, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Enveloped_AddRecipient(hEnv, hRecip, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_FAILURE(COSE_Enveloped_encrypt(hEnv, &cose_error), COSE_ERR_UNKNOWN_ALGORITHM, CFails++);
COSE_Enveloped_Free(hEnv);
COSE_Recipient_Free(hRecip);
hEnv = COSE_Enveloped_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
hRecip = COSE_Recipient_Init(0, CBOR_CONTEXT_PARAM_COMMA NULL);
CHECK_RETURN(COSE_Enveloped_map_put_int(hEnv, COSE_Header_Algorithm, cn_cbor_int_create(COSE_Algorithm_AES_GCM_128, CBOR_CONTEXT_PARAM_COMMA NULL), COSE_PROTECT_ONLY, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Enveloped_SetContent(hEnv, (byte *)"This the body", 13, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Recipient_map_put_int(hRecip, COSE_Header_Algorithm, cn_cbor_string_create("Unknown", CBOR_CONTEXT_PARAM_COMMA NULL), COSE_UNPROTECT_ONLY, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_RETURN(COSE_Enveloped_AddRecipient(hEnv, hRecip, &cose_error), COSE_ERR_NONE, CFails++);
CHECK_FAILURE(COSE_Enveloped_encrypt(hEnv, &cose_error), COSE_ERR_UNKNOWN_ALGORITHM, CFails++);
COSE_Enveloped_Free(hEnv);
COSE_Recipient_Free(hRecip);
#endif
}
#endif