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/*
* Copyright (c) 2014 Red Hat
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
AsymWrapUnwrapTests.cpp
Contains test cases for C_WrapKey and C_UnwrapKey
using asymmetrical algorithms (RSA)
*****************************************************************************/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include "AsymWrapUnwrapTests.h"
// CKA_TOKEN
const CK_BBOOL ON_TOKEN = CK_TRUE;
const CK_BBOOL IN_SESSION = CK_FALSE;
// CKA_PRIVATE
const CK_BBOOL IS_PRIVATE = CK_TRUE;
const CK_BBOOL IS_PUBLIC = CK_FALSE;
CPPUNIT_TEST_SUITE_REGISTRATION(AsymWrapUnwrapTests);
// Generate throw-away (session) symmetric key
CK_RV AsymWrapUnwrapTests::generateAesKey(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE &hKey)
{
CK_MECHANISM mechanism = { CKM_AES_KEY_GEN, NULL_PTR, 0 };
CK_ULONG bytes = 16;
CK_BBOOL bFalse = CK_FALSE;
CK_BBOOL bTrue = CK_TRUE;
CK_ATTRIBUTE keyAttribs[] = {
{ CKA_TOKEN, &bFalse, sizeof(bTrue) },
{ CKA_PRIVATE, &bTrue, sizeof(bTrue) },
{ CKA_EXTRACTABLE, &bTrue, sizeof(bTrue) },
{ CKA_SENSITIVE, &bFalse, sizeof(bFalse) },
{ CKA_VALUE_LEN, &bytes, sizeof(bytes) },
};
hKey = CK_INVALID_HANDLE;
return CRYPTOKI_F_PTR( C_GenerateKey(hSession, &mechanism,
keyAttribs, sizeof(keyAttribs)/sizeof(CK_ATTRIBUTE),
&hKey) );
}
CK_RV AsymWrapUnwrapTests::generateRsaKeyPair(CK_SESSION_HANDLE hSession, CK_BBOOL bTokenPuk, CK_BBOOL bPrivatePuk, CK_BBOOL bTokenPrk, CK_BBOOL bPrivatePrk, CK_OBJECT_HANDLE &hPuk, CK_OBJECT_HANDLE &hPrk)
{
CK_MECHANISM mechanism = { CKM_RSA_PKCS_KEY_PAIR_GEN, NULL_PTR, 0 };
CK_ULONG bits = 1536;
CK_BYTE pubExp[] = {0x01, 0x00, 0x01};
CK_BYTE subject[] = { 0x12, 0x34 }; // dummy
CK_BYTE id[] = { 123 } ; // dummy
CK_BBOOL bFalse = CK_FALSE;
CK_BBOOL bTrue = CK_TRUE;
CK_ATTRIBUTE pukAttribs[] = {
{ CKA_TOKEN, &bTokenPuk, sizeof(bTokenPuk) },
{ CKA_PRIVATE, &bPrivatePuk, sizeof(bPrivatePuk) },
{ CKA_ENCRYPT, &bFalse, sizeof(bFalse) },
{ CKA_VERIFY, &bFalse, sizeof(bFalse) },
{ CKA_WRAP, &bTrue, sizeof(bTrue) },
{ CKA_MODULUS_BITS, &bits, sizeof(bits) },
{ CKA_PUBLIC_EXPONENT, &pubExp[0], sizeof(pubExp) }
};
CK_ATTRIBUTE prkAttribs[] = {
{ CKA_TOKEN, &bTokenPrk, sizeof(bTokenPrk) },
{ CKA_PRIVATE, &bPrivatePrk, sizeof(bPrivatePrk) },
{ CKA_SUBJECT, &subject[0], sizeof(subject) },
{ CKA_ID, &id[0], sizeof(id) },
{ CKA_SENSITIVE, &bTrue, sizeof(bTrue) },
{ CKA_DECRYPT, &bFalse, sizeof(bFalse) },
{ CKA_SIGN, &bFalse, sizeof(bFalse) },
{ CKA_UNWRAP, &bTrue, sizeof(bTrue) },
};
hPuk = CK_INVALID_HANDLE;
hPrk = CK_INVALID_HANDLE;
return CRYPTOKI_F_PTR( C_GenerateKeyPair(hSession, &mechanism,
pukAttribs, sizeof(pukAttribs)/sizeof(CK_ATTRIBUTE),
prkAttribs, sizeof(prkAttribs)/sizeof(CK_ATTRIBUTE),
&hPuk, &hPrk) );
}
void AsymWrapUnwrapTests::rsaWrapUnwrap(CK_MECHANISM_TYPE mechanismType, CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hPublicKey, CK_OBJECT_HANDLE hPrivateKey)
{
CK_MECHANISM mechanism = { mechanismType, NULL_PTR, 0 };
CK_RSA_PKCS_OAEP_PARAMS oaepParams = { CKM_SHA_1, CKG_MGF1_SHA1, CKZ_DATA_SPECIFIED, NULL_PTR, 0 };
CK_BYTE cipherText[2048];
CK_ULONG ulCipherTextLen;
CK_BYTE symValue[64];
CK_ULONG ulSymValueLen = sizeof(symValue);
CK_BYTE unwrappedValue[64];
CK_ULONG ulUnwrappedValueLen = sizeof(unwrappedValue);
CK_OBJECT_HANDLE symKey = CK_INVALID_HANDLE;
CK_OBJECT_HANDLE unwrappedKey = CK_INVALID_HANDLE;
CK_RV rv;
CK_ULONG wrappedLenEstimation;
CK_BBOOL bFalse = CK_FALSE;
CK_BBOOL bTrue = CK_TRUE;
CK_OBJECT_CLASS keyClass = CKO_SECRET_KEY;
CK_KEY_TYPE keyType = CKK_AES;
CK_ATTRIBUTE unwrapTemplate[] = {
{ CKA_CLASS, &keyClass, sizeof(keyClass) },
{ CKA_KEY_TYPE, &keyType, sizeof(keyType) },
{ CKA_TOKEN, &bFalse, sizeof(bFalse) },
{ CKA_SENSITIVE, &bFalse, sizeof(bFalse) },
{ CKA_EXTRACTABLE, &bTrue, sizeof(bTrue) }
};
CK_ATTRIBUTE valueTemplate[] = {
{ CKA_VALUE, &symValue, ulSymValueLen }
};
CK_MECHANISM_INFO mechInfo;
if (mechanismType == CKM_RSA_PKCS_OAEP)
{
mechanism.pParameter = &oaepParams;
mechanism.ulParameterLen = sizeof(oaepParams);
}
// Generate temporary symmetric key and remember it's value
rv = generateAesKey(hSession, symKey);
CPPUNIT_ASSERT(rv==CKR_OK);
rv = CRYPTOKI_F_PTR( C_GetAttributeValue(hSession, symKey, valueTemplate, sizeof(valueTemplate)/sizeof(CK_ATTRIBUTE)) );
CPPUNIT_ASSERT(rv==CKR_OK);
ulSymValueLen = valueTemplate[0].ulValueLen;
// CKM_RSA_PKCS Wrap/Unwrap support
rv = CRYPTOKI_F_PTR( C_GetMechanismInfo(m_initializedTokenSlotID, CKM_RSA_PKCS, &mechInfo) );
CPPUNIT_ASSERT(rv==CKR_OK);
CPPUNIT_ASSERT(mechInfo.flags&CKF_WRAP);
CPPUNIT_ASSERT(mechInfo.flags&CKF_UNWRAP);
// Estimate wrapped length
rv = CRYPTOKI_F_PTR( C_WrapKey(hSession, &mechanism, hPublicKey, symKey, NULL_PTR, &wrappedLenEstimation) );
CPPUNIT_ASSERT(rv==CKR_OK);
CPPUNIT_ASSERT(wrappedLenEstimation>0);
// This should always fail because wrapped data have to be longer than 0 bytes
ulCipherTextLen = 0;
rv = CRYPTOKI_F_PTR( C_WrapKey(hSession, &mechanism, hPublicKey, symKey, cipherText, &ulCipherTextLen) );
CPPUNIT_ASSERT(rv==CKR_BUFFER_TOO_SMALL);
// Do real wrapping
ulCipherTextLen = sizeof(cipherText);
rv = CRYPTOKI_F_PTR( C_WrapKey(hSession, &mechanism, hPublicKey, symKey, cipherText, &ulCipherTextLen) );
CPPUNIT_ASSERT(rv==CKR_OK);
// Check length 'estimation'
CPPUNIT_ASSERT(wrappedLenEstimation>=ulCipherTextLen);
rv = CRYPTOKI_F_PTR( C_UnwrapKey(hSession, &mechanism, hPrivateKey, cipherText, ulCipherTextLen, unwrapTemplate, sizeof(unwrapTemplate)/sizeof(CK_ATTRIBUTE), &unwrappedKey) );
CPPUNIT_ASSERT(rv==CKR_OK);
valueTemplate[0].pValue = &unwrappedValue;
rv = CRYPTOKI_F_PTR( C_GetAttributeValue(hSession, unwrappedKey, valueTemplate, sizeof(valueTemplate)/sizeof(CK_ATTRIBUTE)) );
CPPUNIT_ASSERT(rv==CKR_OK);
ulUnwrappedValueLen = valueTemplate[0].ulValueLen;
CPPUNIT_ASSERT(ulSymValueLen == ulUnwrappedValueLen);
CPPUNIT_ASSERT(memcmp(symValue, unwrappedValue, ulSymValueLen) == 0);
}
void AsymWrapUnwrapTests::testRsaWrapUnwrap()
{
CK_RV rv;
CK_SESSION_HANDLE hSessionRO;
CK_SESSION_HANDLE hSessionRW;
// Just make sure that we finalize any previous tests
CRYPTOKI_F_PTR( C_Finalize(NULL_PTR) );
// Open read-only session on when the token is not initialized should fail
rv = CRYPTOKI_F_PTR( C_OpenSession(m_initializedTokenSlotID, CKF_SERIAL_SESSION, NULL_PTR, NULL_PTR, &hSessionRO) );
CPPUNIT_ASSERT(rv == CKR_CRYPTOKI_NOT_INITIALIZED);
// Initialize the library and start the test.
rv = CRYPTOKI_F_PTR( C_Initialize(NULL_PTR) );
CPPUNIT_ASSERT(rv == CKR_OK);
// Open read-only session
rv = CRYPTOKI_F_PTR( C_OpenSession(m_initializedTokenSlotID, CKF_SERIAL_SESSION, NULL_PTR, NULL_PTR, &hSessionRO) );
CPPUNIT_ASSERT(rv == CKR_OK);
// Open read-write session
rv = CRYPTOKI_F_PTR( C_OpenSession(m_initializedTokenSlotID, CKF_SERIAL_SESSION | CKF_RW_SESSION, NULL_PTR, NULL_PTR, &hSessionRW) );
CPPUNIT_ASSERT(rv == CKR_OK);
// Login USER into the sessions so we can create a private objects
rv = CRYPTOKI_F_PTR( C_Login(hSessionRO,CKU_USER,m_userPin1,m_userPin1Length) );
CPPUNIT_ASSERT(rv==CKR_OK);
CK_OBJECT_HANDLE hPublicKey = CK_INVALID_HANDLE;
CK_OBJECT_HANDLE hPrivateKey = CK_INVALID_HANDLE;
// Generate all combinations of session/token public/private key pairs.
rv = generateRsaKeyPair(hSessionRW,IN_SESSION,IS_PUBLIC,IN_SESSION,IS_PUBLIC,hPublicKey,hPrivateKey);
CPPUNIT_ASSERT(rv == CKR_OK);
rsaWrapUnwrap(CKM_RSA_PKCS,hSessionRO,hPublicKey,hPrivateKey);
rsaWrapUnwrap(CKM_RSA_PKCS_OAEP,hSessionRO,hPublicKey,hPrivateKey);
}
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