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/*
* The Initial Developer of the Original Code is International
* Business Machines Corporation. Portions created by IBM
* Corporation are Copyright (C) 2005 International Business
* Machines Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the Common Public License as published by
* IBM Corporation; either version 1 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Common Public License for more details.
*
* You should have received a copy of the Common Public License
* along with this program; if not, a copy can be viewed at
* http://www.opensource.org/licenses/cpl1.0.php.
*/
#include <tpm_pkcs11.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <opencryptoki/pkcs11.h>
/*
* Global variables
*/
char * g_pszSoLib = TPM_OPENCRYPTOKI_SO;
void * g_pSoLib = NULL; // Handle of libopencryptoki library
CK_FUNCTION_LIST_PTR g_pFcnList = NULL; // Function List
BOOL g_bInit = FALSE; // Indicates if C_Initialize has been called
BOOL g_bTokenOpen = FALSE; // Indicates if the token has been opened
CK_SLOT_ID g_tSlotId; // Slot ID of the TPM token
CK_TOKEN_INFO g_tToken; // TPM token information
void
pkcsDebug( const char *a_pszName,
CK_RV a_tResult ) {
logDebug( _("%s success\n"), a_pszName );
}
void
pkcsError( const char *a_pszName,
CK_RV a_tResult ) {
logError( _("%s failed: 0x%08x (%ld)\n"), a_pszName, a_tResult, a_tResult );
}
void
pkcsResult( const char *a_pszName,
CK_RV a_tResult ) {
if ( a_tResult == CKR_OK )
pkcsDebug( a_pszName, a_tResult );
else
pkcsError( a_pszName, a_tResult );
}
void
pkcsResultException( const char *a_pszName,
CK_RV a_tResult,
CK_RV a_tExcept ) {
if ( ( a_tResult == CKR_OK ) || ( a_tResult == a_tExcept ) )
pkcsDebug( a_pszName, a_tResult );
else
pkcsError( a_pszName, a_tResult );
}
/*
* pkcsSlotInfo
* Display some information about the slot.
*/
void
pkcsSlotInfo(CK_SLOT_INFO *a_ptSlotInfo ) {
char szSlotDesc[ sizeof( a_ptSlotInfo->slotDescription ) + 1 ];
char szSlotMfr[ sizeof( a_ptSlotInfo->manufacturerID ) + 1 ];
__memset( szSlotDesc, 0, sizeof( szSlotDesc ) );
__memset( szSlotMfr, 0, sizeof( szSlotMfr ) );
strncpy( szSlotDesc, (char *)a_ptSlotInfo->slotDescription,
sizeof( a_ptSlotInfo->slotDescription ) );
strncpy( szSlotMfr, (char *)a_ptSlotInfo->manufacturerID,
sizeof( a_ptSlotInfo->manufacturerID ) );
logDebug( _("Slot description: %s\n"), szSlotDesc );
logDebug( _("Slot manufacturer: %s\n"), szSlotMfr );
if ( a_ptSlotInfo->flags & CKF_TOKEN_PRESENT )
logDebug( _("Token is present\n") );
else
logDebug( _("Token is not present\n") );
}
/*
* pkcsTokenInfo
* Display some information about the token.
*/
void
pkcsTokenInfo(CK_TOKEN_INFO *a_ptTokenInfo ) {
char szTokenLabel[ sizeof( a_ptTokenInfo->label ) + 1 ];
char szTokenMfr[ sizeof( a_ptTokenInfo->manufacturerID ) + 1 ];
char szTokenModel[ sizeof( a_ptTokenInfo->model ) + 1 ];
__memset( szTokenLabel, 0, sizeof( szTokenLabel ) );
__memset( szTokenMfr, 0, sizeof( szTokenMfr ) );
__memset( szTokenModel, 0, sizeof( szTokenModel ) );
strncpy( szTokenLabel, (char *)a_ptTokenInfo->label,
sizeof( a_ptTokenInfo->label ) );
strncpy( szTokenMfr, (char *)a_ptTokenInfo->manufacturerID,
sizeof( a_ptTokenInfo->manufacturerID ) );
strncpy( szTokenModel, (char *)a_ptTokenInfo->model,
sizeof( a_ptTokenInfo->model ) );
logDebug( _("Token Label: %s\n"), szTokenLabel );
logDebug( _("Token manufacturer: %s\n"), szTokenMfr );
logDebug( _("Token model: %s\n"), szTokenModel );
if ( a_ptTokenInfo->flags & CKF_TOKEN_INITIALIZED )
logDebug( _("Token is initialized\n") );
else
logDebug( _("Token is not initialized\n") );
}
/*
* openToken
* Iterate through the available slots and tokens looking
* for the TPM token and "opening" it if it is found.
*/
CK_RV
openToken( char *a_pszTokenLabel ) {
CK_C_GetFunctionList fGetFunctionList;
unsigned int i;
CK_RV rv;
CK_ULONG ulSlots;
CK_SLOT_ID *ptSlots = NULL;
CK_SLOT_INFO tSlotInfo;
CK_TOKEN_INFO tTokenInfo;
char szTokenLabel[ sizeof( tTokenInfo.label ) ];
char *pszTokenLabel;
// Load the PKCS#11 library
g_pSoLib = dlopen( g_pszSoLib, RTLD_NOW );
if ( !g_pSoLib ) {
logError( _("The PKCS#11 library cannot be loaded: %s\n"), dlerror( ) );
rv = CKR_GENERAL_ERROR;
goto out;
}
fGetFunctionList = (CK_C_GetFunctionList)dlsym( g_pSoLib, "C_GetFunctionList" );
if ( !fGetFunctionList ) {
logError( _("Unable to find the C_GetFunctionList function: %s\n"), dlerror( ) );
rv = CKR_GENERAL_ERROR;
goto out;
}
rv = fGetFunctionList( &g_pFcnList );
pkcsResult( "C_GetFunctionList", rv );
if ( rv != CKR_OK )
goto out;
// Set the name of the TPM token
__memset( szTokenLabel, ' ', sizeof( szTokenLabel ) );
if ( a_pszTokenLabel ) {
if ( strlen( a_pszTokenLabel ) > sizeof( szTokenLabel ) ) {
logError( _("The token label cannot be greater than %ld characters\n"), sizeof( szTokenLabel ) );
rv = CKR_GENERAL_ERROR;
goto out;
}
pszTokenLabel = a_pszTokenLabel;
}
else
pszTokenLabel = TPM_TOKEN_LABEL;
strncpy( szTokenLabel, pszTokenLabel, strlen( pszTokenLabel ) );
// Initialize the PKCS#11 library
rv = g_pFcnList->C_Initialize( NULL );
pkcsResult( "C_Initialize", rv );
if ( rv != CKR_OK )
goto out;
g_bInit = TRUE;
// Determine the number of slots that are present
rv = g_pFcnList->C_GetSlotList( FALSE, NULL, &ulSlots );
pkcsResult( "C_GetSlotList", rv );
if ( rv != CKR_OK )
goto out;
if ( ulSlots == 0 ) {
logError( _("No PKCS#11 slots present\n") );
rv = CKR_TOKEN_NOT_PRESENT;
goto out;
}
// Allocate a buffer to hold the slot ids
logDebug( _("Slots present: %ld\n"), ulSlots );
ptSlots = (CK_SLOT_ID_PTR)calloc( 1, sizeof( CK_SLOT_ID ) * ulSlots );
if ( !ptSlots ) {
logError( _("Unable to obtain memory for PKCS#11 slot IDs\n") );
rv = CKR_HOST_MEMORY;
goto out;
}
// Retrieve the list of slot ids that are present
rv = g_pFcnList->C_GetSlotList( FALSE, ptSlots, &ulSlots );
pkcsResult( "C_GetSlotList", rv );
if ( rv != CKR_OK )
goto out;
// Iterate through the slots looking for the TPM token
for ( i = 0; i < ulSlots; i++ ) {
// Obtain information about the slot
logDebug( _("Retrieving slot information for SlotID %ld\n"), ptSlots[ i ] );
rv = g_pFcnList->C_GetSlotInfo( ptSlots[ i ], &tSlotInfo );
pkcsResult( "C_GetSlotInfo", rv );
if ( rv != CKR_OK )
goto out;
pkcsSlotInfo( &tSlotInfo );
if ( tSlotInfo.flags & CKF_TOKEN_PRESENT ) {
// The slot token is present, obtain information about the token
logDebug( _("Retrieving token information for SlotID %ld\n"), ptSlots[ i ] );
rv = g_pFcnList->C_GetTokenInfo( ptSlots[ i ], &tTokenInfo );
pkcsResult( "C_GetTokenInfo", rv );
if ( rv != CKR_OK )
goto out;
pkcsTokenInfo( &tTokenInfo );
// Check for the TPM token
if ( !strncmp( (char *)tTokenInfo.label, szTokenLabel, sizeof( szTokenLabel ) ) ) {
g_bTokenOpen = TRUE;
g_tSlotId = ptSlots[ i ];
g_tToken = tTokenInfo;
break;
}
}
}
if ( !g_bTokenOpen ) {
logError( _("PKCS#11 TPM Token is not present\n") );
rv = CKR_TOKEN_NOT_PRESENT;
}
out:
if (rv != CKR_OK)
free(ptSlots);
if ( !g_bTokenOpen && g_bInit ) {
g_pFcnList->C_Finalize( NULL );
g_bInit = FALSE;
}
if ( !g_bTokenOpen && g_pSoLib ) {
dlclose( g_pSoLib );
g_pSoLib = NULL;
}
return rv;
}
/*
* closeToken
* "Close" the TPM token.
*/
CK_RV
closeToken( ) {
CK_RV rv = CKR_OK;
// Tear down the PKCS#11 environment
if ( g_bInit ) {
rv = g_pFcnList->C_Finalize( NULL );
pkcsResult( "C_Finalize", rv );
}
// Unload the PKCS#11 library
if ( g_pSoLib )
dlclose( g_pSoLib );
g_bTokenOpen = FALSE;
g_bInit = FALSE;
g_pSoLib = NULL;
return rv;
}
/*
* initToken
* Invoke the PKCS#11 C_InitToken API.
*/
CK_RV
initToken( char *a_pszPin ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_InitToken( g_tSlotId, (CK_CHAR *)a_pszPin, strlen( a_pszPin ), g_tToken.label );
pkcsResult( "C_InitToken", rv );
return rv;
}
/*
* openTokenSession
* Invoke the PKCS#11 C_OpenSession API.
*/
CK_RV
openTokenSession( CK_FLAGS a_tType,
CK_SESSION_HANDLE *a_phSession ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
a_tType |= CKF_SERIAL_SESSION; // This flag must always be set
rv = g_pFcnList->C_OpenSession( g_tSlotId, a_tType, NULL, NULL, a_phSession );
pkcsResult( "C_OpenSession", rv );
return rv;
}
/*
* closeTokenSession
* Invoke the PKCS#11 C_CloseSession API.
*/
CK_RV
closeTokenSession( CK_SESSION_HANDLE a_hSession ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_CloseSession( a_hSession );
pkcsResult( "C_CloseSession", rv );
return rv;
}
/*
* closeAllTokenSessions
* Invoke the PKCS#11 C_CloseAllSessions API.
*/
CK_RV
closeAllTokenSessions( ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_CloseAllSessions( g_tSlotId );
pkcsResult( "C_CloseAllSessions", rv );
return rv;
}
/*
* loginToken
* Invoke the PKCS#11 C_Login API for the specified user type.
*/
CK_RV
loginToken( CK_SESSION_HANDLE a_hSession,
CK_USER_TYPE a_tType,
char *a_pszPin ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_Login( a_hSession, a_tType, (CK_CHAR *)a_pszPin, strlen( a_pszPin ) );
pkcsResult( "C_Login", rv );
return rv;
}
/*
* Invoke the PKCS#11 C_InitPin API.
*/
CK_RV
initPin( CK_SESSION_HANDLE a_hSession,
char *a_pszPin ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_InitPIN( a_hSession, (CK_CHAR *)a_pszPin, strlen( a_pszPin ) );
pkcsResult( "C_InitPIN", rv );
return rv;
}
/*
* setPin
* Invoke the PKCS#11 C_SetPIN API.
*/
CK_RV
setPin( CK_SESSION_HANDLE a_hSession,
char *a_pszOldPin,
char *a_pszNewPin ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_SetPIN( a_hSession, (CK_CHAR *)a_pszOldPin, strlen( a_pszOldPin ),
(CK_CHAR *)a_pszNewPin, strlen( a_pszNewPin ) );
pkcsResult( "C_SetPIN", rv );
return rv;
}
/*
* generateKey
* Invoke the PKCS#11 C_GenerateKey API to generate a key
* for the specified mechanism with the specified attributes.
*/
CK_RV
generateKey( CK_SESSION_HANDLE a_hSession,
CK_MECHANISM *a_ptMechanism,
CK_ATTRIBUTE *a_ptAttrList,
CK_ULONG a_ulAttrCount,
CK_OBJECT_HANDLE *a_phObject ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_GenerateKey( a_hSession, a_ptMechanism, a_ptAttrList, a_ulAttrCount, a_phObject );
pkcsResult( "C_GenerateKey", rv );
return rv;
}
/*
* createObject
* Invoke the PKCS#11 C_CreateObject API to create an object
* with the specified attributes.
*/
CK_RV
createObject( CK_SESSION_HANDLE a_hSession,
CK_ATTRIBUTE *a_ptAttrList,
CK_ULONG a_ulAttrCount,
CK_OBJECT_HANDLE *a_phObject ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_CreateObject( a_hSession, a_ptAttrList, a_ulAttrCount, a_phObject );
pkcsResult( "C_CreateObject", rv );
return rv;
}
/*
* destroyObject
* Invoke the PKCS#11 C_DestroyObject API.
*/
CK_RV
destroyObject( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_DestroyObject( a_hSession, a_hObject );
pkcsResult( "C_DestroyObject", rv );
return rv;
}
/*
* getObjectAttributes
* Invoke the PKCS#11 C_GetAttributeValue API to retrieve
* the specified attributes.
*/
CK_RV
getObjectAttributes( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
CK_ATTRIBUTE *a_ptAttrList,
CK_ULONG a_ulAttrCount ) {
CK_RV rv;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
rv = g_pFcnList->C_GetAttributeValue( a_hSession, a_hObject, a_ptAttrList, a_ulAttrCount );
pkcsResultException( "C_GetAttributeValue", rv, CKR_ATTRIBUTE_TYPE_INVALID );
return rv;
}
/*
* findObjects
* Return a list of object handles for all objects that
* match the specified attributes.
*/
CK_RV
findObjects( CK_SESSION_HANDLE a_hSession,
CK_ATTRIBUTE *a_ptAttrList,
CK_ULONG a_ulAttrCount,
CK_OBJECT_HANDLE **a_phObjList,
CK_ULONG *a_pulObjCount ) {
CK_RV rv, rv_temp;
CK_ULONG ulCount = 0;
CK_ULONG ulCurCount = 0;
CK_ULONG ulMaxCount = 0;
CK_OBJECT_HANDLE *phObjList = NULL;
*a_phObjList = NULL;
*a_pulObjCount = 0;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
// Initialize the find operation
rv = g_pFcnList->C_FindObjectsInit( a_hSession, a_ptAttrList, a_ulAttrCount );
pkcsResult( "C_FindObjectsInit", rv );
if ( rv != CKR_OK )
goto out;
// Iterate until all object handles have been returned
do {
// Allocate (or increase) the object handle list buffer
CK_OBJECT_HANDLE *phTemp = phObjList;
ulMaxCount += TPM_FIND_MAX;
phObjList = (CK_OBJECT_HANDLE *)calloc( sizeof( CK_OBJECT_HANDLE ), ulMaxCount );
if ( !phObjList ) {
logError( _("Unable to obtain memory for object handle list\n") );
rv = CKR_HOST_MEMORY;
goto done;
}
// Copy the list of object handles
if ( phTemp ) {
memcpy( phObjList, phTemp, ulCurCount * sizeof( CK_OBJECT_HANDLE ) );
free( phTemp );
}
// Find the matching objects
rv = g_pFcnList->C_FindObjects( a_hSession, phObjList + ulCurCount, TPM_FIND_MAX, &ulCount );
pkcsResult( "C_FindObjects", rv );
if ( rv != CKR_OK )
goto done;
ulCurCount += ulCount;
} while ( ulCurCount == ulMaxCount );
*a_phObjList = phObjList;
*a_pulObjCount = ulCurCount;
done:
// Terminate the find operation
rv_temp = g_pFcnList->C_FindObjectsFinal( a_hSession );
pkcsResult( "C_FindObjectsFinal", rv_temp );
out:
if ( ( rv != CKR_OK ) && phObjList )
free( phObjList );
return rv;
}
/*
* displayByteArray
* Format a byte array for display.
*/
void
displayByteArray( const char *a_pszLabel,
CK_ATTRIBUTE *a_ptAttr,
int a_bExtended ) {
const char *pszPre = ( a_bExtended ) ? "\t" : "";
const char *pszPost = ( a_bExtended ) ? "\n" : "";
logMsg( "%s%s'", pszPre, a_pszLabel );
if ( a_ptAttr->ulValueLen )
logHex( a_ptAttr->ulValueLen, a_ptAttr->pValue );
else
logMsg( "(null)" );
logMsg( "'%s", pszPost );
}
/*
* displayCertObject
* Format a certificate object for display.
*/
CK_RV
displayCertObject( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
int a_bExtended ) {
CK_RV rv;
CK_OBJECT_CLASS tClass;
CK_BBOOL bToken;
CK_BBOOL bPrivate;
CK_BBOOL bModifiable;
CK_CHAR *pszLabel = NULL;
CK_CERTIFICATE_TYPE tType;
CK_BBOOL bTrusted;
CK_ATTRIBUTE tCertList[] = {
{ CKA_CLASS, &tClass, sizeof( tClass ) },
{ CKA_TOKEN, &bToken, sizeof( bToken ) },
{ CKA_PRIVATE, &bPrivate, sizeof( bPrivate ) },
{ CKA_MODIFIABLE, &bModifiable, sizeof( bModifiable ) },
{ CKA_LABEL, NULL, 0 },
{ CKA_CERTIFICATE_TYPE, &tType, sizeof( tType ) },
{ CKA_TRUSTED, &bTrusted, sizeof( bTrusted ) },
};
CK_ATTRIBUTE tX509List[] = {
{ CKA_SUBJECT, NULL, 0 },
{ CKA_ID, NULL, 0 },
{ CKA_ISSUER, NULL, 0 },
{ CKA_SERIAL_NUMBER, NULL, 0 },
{ CKA_VALUE, NULL, 0 },
};
CK_ATTRIBUTE tX509AttrList[] = {
{ CKA_OWNER, NULL, 0 },
{ CKA_AC_ISSUER, NULL, 0 },
{ CKA_SERIAL_NUMBER, NULL, 0 },
{ CKA_ATTR_TYPES, NULL, 0 },
{ CKA_VALUE, NULL, 0 },
};
CK_ULONG ulCertCount = sizeof( tCertList ) / sizeof( CK_ATTRIBUTE );
CK_ULONG ulX509Count = sizeof( tX509List ) / sizeof( CK_ATTRIBUTE );
CK_ULONG ulX509AttrCount = sizeof( tX509AttrList ) / sizeof( CK_ATTRIBUTE );
CK_ATTRIBUTE *ptAttrList;
CK_ULONG ulAttrCount;
// Retrieve the common certificate attributes
rv = getObjectAttributes( a_hSession, a_hObject, tCertList, ulCertCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
// Allocate storage for the object label (extra byte for null
// terminated string)
if ( tCertList[ 4 ].ulValueLen > 0 ) {
pszLabel = tCertList[ 4 ].pValue = calloc( 1, tCertList[ 4 ].ulValueLen + 1 );
rv = getObjectAttributes( a_hSession, a_hObject, tCertList, ulCertCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
}
// Determine the attributes to retrieve based on the certficate type
switch ( tType ) {
case CKC_X_509:
ptAttrList = tX509List;
ulAttrCount = ulX509Count;
break;
case CKC_X_509_ATTR_CERT:
ptAttrList = tX509AttrList;
ulAttrCount = ulX509AttrCount;
break;
default:
ptAttrList = NULL;
ulAttrCount = 0;
}
if ( ptAttrList ) {
CK_ULONG ulMalloc;
// Retrieve the specific certificate type attributes (for obtaining
// the attribute lengths)
rv = getObjectAttributes( a_hSession, a_hObject, ptAttrList, ulAttrCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
for ( ulMalloc = 0; ulMalloc < ulAttrCount; ulMalloc++ ) {
// Allocate the storage (with an extra byte for null terminated
// strings - just in case)
if ( ptAttrList[ ulMalloc ].ulValueLen > 0 )
ptAttrList[ ulMalloc ].pValue =
calloc( 1, ptAttrList[ ulMalloc ].ulValueLen );
}
// Now retrieve all the specific certificate type attributes
rv = getObjectAttributes( a_hSession, a_hObject, ptAttrList, ulAttrCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
}
if ( a_bExtended ) {
logMsg( _("Certificate Object\n") );
switch ( tType ) {
case CKC_X_509:
logMsg( _("\tX509 Certificate\n") );
break;
case CKC_X_509_ATTR_CERT:
logMsg( _("\tX509 Attribute Certificate\n") );
break;
default:
logMsg( _("\tUnknown Certificate Type (%08x)\n"), tType );
}
if ( tCertList[ 1 ].ulValueLen > 0 )
logMsg( _("\tToken Object: %s\n"), bToken ? _("true") : _("false") );
if ( tCertList[ 2 ].ulValueLen > 0 )
logMsg( _("\tPrivate Object: %s\n"), bPrivate ? _("true") : _("false") );
if ( tCertList[ 3 ].ulValueLen > 0 )
logMsg( _("\tModifiable Object: %s\n"), bModifiable ? _("true") : _("false") );
if ( tCertList[ 4 ].ulValueLen > 0 )
logMsg( _("\tLabel: '%s'\n"), pszLabel );
if ( tCertList[ 5 ].ulValueLen > 0 )
logMsg( _("\tTrusted: %s\n"), bTrusted ? _("true") : _("false") );
// Display the attributes based on the certficate type
switch ( tType ) {
case CKC_X_509:
if ( tX509List[ 0 ].ulValueLen > 0 )
displayByteArray( _("Subject: "), &tX509List[ 0 ], a_bExtended );
if ( tX509List[ 1 ].ulValueLen > 0 ) {
logMsg( _("\tId: '%s' ("), tX509List[ 1 ].pValue );
displayByteArray( "", &tX509List[ 1 ], FALSE );
logMsg( ")\n" );
}
if ( tX509List[ 2 ].ulValueLen > 0 )
displayByteArray( _("Issuer: "), &tX509List[ 2 ], a_bExtended );
if ( tX509List[ 3 ].ulValueLen > 0 )
displayByteArray( _("Serial Number: "), &tX509List[ 3 ], a_bExtended );
if ( tX509List[ 4 ].ulValueLen > 0 )
displayByteArray( _("Value: "), &tX509List[ 4 ], a_bExtended );
break;
case CKC_X_509_ATTR_CERT:
if ( tX509AttrList[ 0 ].ulValueLen > 0 )
displayByteArray( _("Owner: "), &tX509AttrList[ 0 ], a_bExtended );
if ( tX509AttrList[ 1 ].ulValueLen > 0 )
displayByteArray( _("Issuer: "), &tX509AttrList[ 1 ], a_bExtended );
if ( tX509AttrList[ 2 ].ulValueLen > 0 )
displayByteArray( _("Serial Number: "), &tX509AttrList[ 2 ], a_bExtended );
if ( tX509AttrList[ 3 ].ulValueLen > 0 )
displayByteArray( _("Attribute Types: "), &tX509AttrList[ 3 ], a_bExtended );
if ( tX509AttrList[ 4 ].ulValueLen > 0 )
displayByteArray( _("Value: "), &tX509AttrList[ 4 ], a_bExtended );
break;
}
}
else {
// Display the attributes based on the certficate type
logMsg( _("Certificate: ") );
switch ( tType ) {
case CKC_X_509:
logMsg( _("Type: X509 Public Key") );
break;
case CKC_X_509_ATTR_CERT:
logMsg( _("Type: X509 Attribute") );
break;
default:
logMsg( _("Unknown Type (%08x)"), tType );
}
if ( tCertList[ 4 ].ulValueLen > 0 )
logMsg( _(", Label: '%s'"), pszLabel );
logMsg( "\n" );
}
return rv;
}
/*
* displayAsymKeyObject
* Format an asymmetric key object for display.
*/
CK_RV
displayAsymKeyObject( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
int a_bExtended ) {
CK_RV rv;
CK_OBJECT_CLASS tClass;
CK_BBOOL bToken;
CK_BBOOL bPrivate;
CK_BBOOL bModifiable;
CK_CHAR *pszLabel = NULL;
CK_KEY_TYPE tType;
CK_CHAR *pszId = NULL;
CK_ATTRIBUTE tKeyList[] = {
{ CKA_CLASS, &tClass, sizeof( tClass ) },
{ CKA_TOKEN, &bToken, sizeof( bToken ) },
{ CKA_PRIVATE, &bPrivate, sizeof( bPrivate ) },
{ CKA_MODIFIABLE, &bModifiable, sizeof( bModifiable ) },
{ CKA_LABEL, NULL, 0 },
{ CKA_KEY_TYPE, &tType, sizeof( tType ) },
{ CKA_SUBJECT, NULL, 0 },
{ CKA_ID, NULL, 0 },
};
CK_ULONG ulKeyCount = sizeof( tKeyList ) / sizeof( CK_ATTRIBUTE );
// Retrieve the common key attributes
rv = getObjectAttributes( a_hSession, a_hObject, tKeyList, ulKeyCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
// Allocate storage for the object id
if ( ( tKeyList[ 4 ].ulValueLen > 0 ) || ( tKeyList[ 6 ].ulValueLen > 0 ) || ( tKeyList[ 7 ].ulValueLen > 0 ) ) {
if ( tKeyList[ 4 ].ulValueLen > 0 )
pszLabel = tKeyList[ 4 ].pValue =
calloc( 1, tKeyList[ 4 ].ulValueLen + 1 );
if ( tKeyList[ 6 ].ulValueLen > 0 )
tKeyList[ 6 ].pValue =
calloc( 1, tKeyList[ 6 ].ulValueLen + 1 );
if ( tKeyList[ 7 ].ulValueLen > 0 )
pszId = tKeyList[ 7 ].pValue =
calloc( 1, tKeyList[ 7 ].ulValueLen + 1 );
rv = getObjectAttributes( a_hSession, a_hObject, tKeyList, ulKeyCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
}
if ( a_bExtended ) {
logMsg( _("Key Object\n") );
switch ( tClass ) {
case CKO_PUBLIC_KEY:
logMsg( _("\tPublic Key\n") );
break;
case CKO_PRIVATE_KEY:
logMsg( _("\tPrivate Key\n") );
break;
}
if ( tKeyList[ 1 ].ulValueLen > 0 )
logMsg( _("\tToken Object: %s\n"), bToken ? _("true") : _("false") );
if ( tKeyList[ 2 ].ulValueLen > 0 )
logMsg( _("\tPrivate Object: %s\n"), bPrivate ? _("true") : _("false") );
if ( tKeyList[ 3 ].ulValueLen > 0 )
logMsg( _("\tModifiable Object: %s\n"), bModifiable ? _("true") : _("false") );
if ( tKeyList[ 4 ].ulValueLen > 0 )
logMsg( _("\tLabel: '%s'\n"), pszLabel );
if ( tKeyList[ 5 ].ulValueLen > 0 )
logMsg( _("\tType: %ld\n"), tType );
if ( tKeyList[ 6 ].ulValueLen > 0 )
displayByteArray( _("Subject: "), &tKeyList[ 6 ], a_bExtended );
if ( tKeyList[ 7 ].ulValueLen > 0 ) {
logMsg( _("\tId: '%s' ("), pszId );
displayByteArray( "", &tKeyList[ 7 ], FALSE );
logMsg( ")\n" );
}
}
else {
switch ( tClass ) {
case CKO_PUBLIC_KEY:
logMsg( _("Public Key: ") );
break;
case CKO_PRIVATE_KEY:
logMsg( _("Private Key: ") );
break;
}
if ( tKeyList[ 5 ].ulValueLen > 0 )
logMsg( _("Type: %ld"), tType );
if ( tKeyList[ 4 ].ulValueLen > 0 )
logMsg( _(", Label: '%s'"), pszLabel );
logMsg( "\n" );
}
return rv;
}
/*
* displaySymKeyObject
* Format a symmetric key object for display.
*/
CK_RV
displaySymKeyObject( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
int a_bExtended ) {
CK_RV rv;
CK_OBJECT_CLASS tClass;
CK_BBOOL bToken;
CK_BBOOL bPrivate;
CK_BBOOL bModifiable;
CK_CHAR *pszLabel = NULL;
CK_KEY_TYPE tType;
CK_ATTRIBUTE tKeyList[] = {
{ CKA_CLASS, &tClass, sizeof( tClass ) },
{ CKA_TOKEN, &bToken, sizeof( bToken ) },
{ CKA_PRIVATE, &bPrivate, sizeof( bPrivate ) },
{ CKA_MODIFIABLE, &bModifiable, sizeof( bModifiable ) },
{ CKA_LABEL, NULL, 0 },
{ CKA_KEY_TYPE, &tType, sizeof( tType ) },
};
CK_ULONG ulKeyCount = sizeof( tKeyList ) / sizeof( CK_ATTRIBUTE );
// Retrieve the common key attributes
rv = getObjectAttributes( a_hSession, a_hObject, tKeyList, ulKeyCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
// Allocate storage for the object id
if ( tKeyList[ 4 ].ulValueLen > 0 ) {
pszLabel = tKeyList[ 4 ].pValue =
calloc( 1, tKeyList[ 4 ].ulValueLen + 1 );
rv = getObjectAttributes( a_hSession, a_hObject, tKeyList, ulKeyCount );
if ( ( rv != CKR_OK ) && ( rv != CKR_ATTRIBUTE_TYPE_INVALID ) )
return rv;
}
if ( a_bExtended ) {
logMsg( _("Key Object\n") );
switch ( tClass ) {
case CKO_SECRET_KEY:
logMsg( _("\tSecret Key\n") );
break;
}
if ( tKeyList[ 1 ].ulValueLen > 0 )
logMsg( _("\tToken Object: %s\n"), bToken ? _("true") : _("false") );
if ( tKeyList[ 2 ].ulValueLen > 0 )
logMsg( _("\tPrivate Object: %s\n"), bPrivate ? _("true") : _("false") );
if ( tKeyList[ 3 ].ulValueLen > 0 )
logMsg( _("\tModifiable Object: %s\n"), bModifiable ? _("true") : _("false") );
if ( tKeyList[ 4 ].ulValueLen > 0 )
logMsg( _("\tLabel: '%s'\n"), pszLabel );
if ( tKeyList[ 5 ].ulValueLen > 0 )
logMsg( _("\tType: %ld\n"), tType );
}
else {
switch ( tClass ) {
case CKO_SECRET_KEY:
logMsg( _("Secret Key: ") );
break;
}
if ( tKeyList[ 5 ].ulValueLen > 0 )
logMsg( _("Type: %ld"), tType );
if ( tKeyList[ 4 ].ulValueLen > 0 )
logMsg( _(", Label: '%s'"), pszLabel );
logMsg( "\n" );
}
return rv;
}
/*
* displayObject
* Format and display objects.
*/
CK_RV
displayObject( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
int a_bExtended ) {
CK_RV rv;
CK_OBJECT_CLASS tClass;
CK_ATTRIBUTE tAttr[] = {
{ CKA_CLASS, &tClass, sizeof( tClass ) },
};
CK_ULONG ulAttrCount = sizeof( tAttr ) / sizeof( CK_ATTRIBUTE );
// Retrieve the class attribute of the object
rv = getObjectAttributes( a_hSession, a_hObject, tAttr, ulAttrCount );
if ( rv != CKR_OK )
return rv;
// Use the object class to determine how to format it for display
switch ( tClass ) {
case CKO_DATA:
logMsg( _("Data object\n") );
break;
case CKO_CERTIFICATE:
displayCertObject( a_hSession, a_hObject, a_bExtended );
break;
case CKO_PUBLIC_KEY:
case CKO_PRIVATE_KEY:
displayAsymKeyObject( a_hSession, a_hObject, a_bExtended );
break;
case CKO_SECRET_KEY:
displaySymKeyObject( a_hSession, a_hObject, a_bExtended );
break;
case CKO_HW_FEATURE:
case CKO_DOMAIN_PARAMETERS:
default:
logMsg( _("Object class=%ld\n"), tClass );
break;
}
return rv;
}
/*
* checkKey
* Check that the key object attributes match the key class
* and key type specified.
*/
CK_RV
checkKey( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
CK_OBJECT_CLASS a_tKeyClass,
CK_KEY_TYPE a_tKeyType ) {
CK_RV rv;
CK_OBJECT_CLASS tClass;
CK_KEY_TYPE tType;
CK_ATTRIBUTE tAttr[] = {
{ CKA_CLASS, &tClass, sizeof( tClass ) },
{ CKA_KEY_TYPE, &tType, sizeof( tType ) },
};
CK_ULONG ulAttrCount = sizeof( tAttr ) / sizeof( CK_ATTRIBUTE );
// Retrieve the class attribute and key type attribute of the object
rv = getObjectAttributes( a_hSession, a_hObject, tAttr, ulAttrCount );
if ( rv != CKR_OK )
return rv;
if ( tClass != a_tKeyClass )
return CKR_GENERAL_ERROR;
if ( tType != a_tKeyType )
return CKR_GENERAL_ERROR;
return CKR_OK;
}
/*
* encryptData
* Use a callback mechanism to encrypt some data.
*/
CK_RV
encryptData( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
CK_MECHANISM *a_ptMechanism,
TokenCryptGet a_fGet,
TokenCryptPut a_fPut ) {
CK_RV rv;
CK_BBOOL bCancel = FALSE;
CK_BYTE *pbInData = NULL;
CK_ULONG ulInDataLen = 0;
CK_BBOOL bContinue = TRUE;
CK_BYTE *pbBuffer = NULL;
CK_ULONG ulBufferLen = 0;
CK_ULONG ulOutDataLen = 0;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
// Check the key
rv = checkKey( a_hSession, a_hObject, CKO_SECRET_KEY, CKK_AES );
if ( rv != CKR_OK )
goto out;
// Initialize the encryption operation
rv = g_pFcnList->C_EncryptInit( a_hSession, a_ptMechanism, a_hObject );
pkcsResult( "C_EncryptInit", rv );
if ( rv != CKR_OK )
goto out;
while ( bContinue ) {
// Retrieve some data to encrypt
if ( a_fGet( &pbInData, &ulInDataLen, &bContinue, TRUE ) == -1 ) {
bCancel = TRUE;
goto out;
}
// Check the output buffer size needed
rv = g_pFcnList->C_EncryptUpdate( a_hSession, pbInData, ulInDataLen,
NULL, &ulOutDataLen );
pkcsResult( "C_EncryptUpdate", rv );
if ( rv != CKR_OK )
goto out;
// Check if a larger buffer is needed
if ( ulOutDataLen > ulBufferLen ) {
free( pbBuffer );
ulBufferLen = ulOutDataLen;
pbBuffer = calloc( 1, ulBufferLen );
if ( !pbBuffer ) {
logError( _("Unable to obtain memory for the encrypted data buffer\n") );
rv = CKR_HOST_MEMORY;
goto out;
}
}
// Encrypt the input data
rv = g_pFcnList->C_EncryptUpdate( a_hSession, pbInData, ulInDataLen,
pbBuffer, &ulOutDataLen );
pkcsResult( "C_EncryptUpdate", rv );
if ( rv != CKR_OK )
goto out;
if ( ulOutDataLen > 0 ) {
if ( a_fPut( pbBuffer, ulOutDataLen, bContinue, TRUE ) == -1 ) {
bCancel = TRUE;
goto out;
}
}
}
out:
// For AES any remaining data will cause an error, so provide
// a buffer which will not be filled in anyway
ulOutDataLen = ulBufferLen;
rv = g_pFcnList->C_EncryptFinal( a_hSession, pbBuffer, &ulOutDataLen );
pkcsResult( "C_EncryptFinal", rv );
free( pbBuffer );
if ( bCancel )
rv = CKR_FUNCTION_CANCELED;
return rv;
}
/*
* decryptData
* Use a callback mechanism to decrypt some data.
*/
CK_RV
decryptData( CK_SESSION_HANDLE a_hSession,
CK_OBJECT_HANDLE a_hObject,
CK_MECHANISM *a_ptMechanism,
TokenCryptGet a_fGet,
TokenCryptPut a_fPut ) {
CK_RV rv;
CK_BBOOL bCancel = FALSE;
CK_BYTE *pbInData = NULL;
CK_ULONG ulInDataLen = 0;
CK_BBOOL bContinue = TRUE;
CK_BYTE *pbBuffer = NULL;
CK_ULONG ulBufferLen = 0;
CK_ULONG ulOutDataLen = 0;
if ( !g_bTokenOpen )
return CKR_GENERAL_ERROR;
// Check the key
rv = checkKey( a_hSession, a_hObject, CKO_SECRET_KEY, CKK_AES );
if ( rv != CKR_OK )
goto out;
// Initialize the decryption operation
rv = g_pFcnList->C_DecryptInit( a_hSession, a_ptMechanism, a_hObject );
pkcsResult( "C_DecryptInit", rv );
if ( rv != CKR_OK )
goto out;
while ( bContinue ) {
// Retrieve some data to encrypt
if ( a_fGet( &pbInData, &ulInDataLen, &bContinue, FALSE ) == -1 ) {
bCancel = TRUE;
goto out;
}
// Check the output buffer size needed
rv = g_pFcnList->C_DecryptUpdate( a_hSession, pbInData, ulInDataLen,
NULL, &ulOutDataLen );
pkcsResult( "C_DecryptUpdate", rv );
if ( rv != CKR_OK )
goto out;
// Check if a larger buffer is needed
if ( ulOutDataLen > ulBufferLen ) {
free( pbBuffer );
ulBufferLen = ulOutDataLen;
pbBuffer = calloc( 1, ulBufferLen );
if ( !pbBuffer ) {
logError( _("Unable to obtain memory for the encrypted data buffer\n") );
rv = CKR_HOST_MEMORY;
goto out;
}
}
// Decrypt the input data
rv = g_pFcnList->C_DecryptUpdate( a_hSession, pbInData, ulInDataLen,
pbBuffer, &ulOutDataLen );
pkcsResult( "C_DecryptUpdate", rv );
if ( rv != CKR_OK )
goto out;
if ( a_fPut( pbBuffer, ulOutDataLen, bContinue, FALSE ) == -1 ) {
bCancel = TRUE;
goto out;
}
}
out:
// For AES any remaining data will cause an error, so provide
// a buffer which will not be filled in anyway
rv = g_pFcnList->C_DecryptFinal( a_hSession, pbBuffer, &ulOutDataLen );
pkcsResult( "C_DecryptFinal", rv );
free( pbBuffer );
if ( bCancel )
rv = CKR_FUNCTION_CANCELED;
return rv;
}
/*
* isTokenInitialized
* Returns an indicator as to whether the TPM token has been initialized.
*/
BOOL
isTokenInitialized( ) {
if ( g_bTokenOpen && ( g_tToken.flags & CKF_TOKEN_INITIALIZED ) )
return TRUE;
return FALSE;
}
/*
* getMinPinLen
* Returns the the minimum PIN length that the TPM token accepts.
*/
int
getMinPinLen( ) {
if ( !g_bTokenOpen )
return 0;
return (int)g_tToken.ulMinPinLen;
}
/*
* getMaxPinLen
* Returns the the maximum PIN length that the TPM token accepts.
*/
int
getMaxPinLen( ) {
if ( !g_bTokenOpen )
return 0;
return (int)g_tToken.ulMaxPinLen;
}