diff options
Diffstat (limited to 'pki/base/symkey/src/com/netscape/symkey/SessionKey.cpp')
| -rw-r--r-- | pki/base/symkey/src/com/netscape/symkey/SessionKey.cpp | 2005 |
1 files changed, 2005 insertions, 0 deletions
diff --git a/pki/base/symkey/src/com/netscape/symkey/SessionKey.cpp b/pki/base/symkey/src/com/netscape/symkey/SessionKey.cpp new file mode 100644 index 000000000..eb412f01a --- /dev/null +++ b/pki/base/symkey/src/com/netscape/symkey/SessionKey.cpp @@ -0,0 +1,2005 @@ + +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// 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 +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- + +#ifdef __cplusplus +extern "C" +{ +#endif +#include "pk11func.h" +#include "seccomon.h" +#include "nspr.h" +#ifdef __cplusplus +#include <jni.h> +#include <assert.h> +#include <string.h> +#include "secerr.h" + +/* +#include <jss_exceptions.h> +#include <jssutil.h> +*/ + +} +#endif +#include <memory.h> +#include <assert.h> +#include <stdio.h> +#include <cstdarg> +#include <string> + +// DRM_PROTO begins +#define PK11SYMKEY_CLASS_NAME "org/mozilla/jss/pkcs11/PK11SymKey" +#define PK11SYMKEY_CONSTRUCTOR_SIG "([B)V" +#define ALL_SYMKEY_OPS (CKF_ENCRYPT | CKF_DECRYPT | CKF_WRAP | CKF_UNWRAP) +// DRM_PROTO ends + +#include "Buffer.h" +#include "SymKey.h" + +#define STEAL_JSS +#ifdef STEAL_JSS +// stealing code from JSS to handle DRM support +/* + * NativeProxy + */ +#define NATIVE_PROXY_CLASS_NAME "org/mozilla/jss/util/NativeProxy" +#define NATIVE_PROXY_POINTER_FIELD "mPointer" +#define NATIVE_PROXY_POINTER_SIG "[B" + +/* + * SymKeyProxy + */ +#define SYM_KEY_PROXY_FIELD "keyProxy" +#define SYM_KEY_PROXY_SIG "Lorg/mozilla/jss/pkcs11/SymKeyProxy;" + + +/*********************************************************************** + ** + ** J S S _ p t r T o B y t e A r r a y + ** + ** Turn a C pointer into a Java byte array. The byte array can be passed + ** into a NativeProxy constructor. + ** + ** Returns a byte array containing the pointer, or NULL if an exception + ** was thrown. + */ +jbyteArray +JSS_ptrToByteArray(JNIEnv *env, void *ptr) +{ + jbyteArray byteArray; + + /* Construct byte array from the pointer */ + byteArray = (env)->NewByteArray(sizeof(ptr)); + if(byteArray==NULL) + { + PR_ASSERT( (env)->ExceptionOccurred() != NULL); + return NULL; + } + (env)->SetByteArrayRegion(byteArray, 0, sizeof(ptr), (jbyte*)&ptr); + if((env)->ExceptionOccurred() != NULL) + { + PR_ASSERT(PR_FALSE); + return NULL; + } + return byteArray; +} + + +/*********************************************************************** + * + * J S S _ P K 1 1 _ w r a p S y m K e y + + * Puts a Symmetric Key into a Java object. + * (Does NOT perform a cryptographic "wrap" operation.) + * symKey: will be stored in a Java wrapper. + * Returns: a new PK11SymKey, or NULL if an exception occurred. + */ +jobject +JSS_PK11_wrapSymKey(JNIEnv *env, PK11SymKey **symKey) +{ +// return JSS_PK11_wrapSymKey(env, symKey, NULL); +// hmmm, looks like I may not need to steal code after all + return JSS_PK11_wrapSymKey(env, symKey); +} + + +jobject +JSS_PK11_wrapSymKey(JNIEnv *env, PK11SymKey **symKey, PRFileDesc *debug_fd) +{ + jclass keyClass; + jmethodID constructor; + jbyteArray ptrArray; + jobject Key=NULL; + + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey\n"); + + PR_ASSERT(env!=NULL && symKey!=NULL && *symKey!=NULL); + + /* find the class */ + keyClass = (env)->FindClass(PK11SYMKEY_CLASS_NAME); + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey called FindClass\n"); + if( keyClass == NULL ) + { + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey FindClass NULL\n"); +// ASSERT_OUTOFMEM(env); + goto finish; + } + + /* find the constructor */ + constructor = (env)->GetMethodID(keyClass, + "<init>"/*PLAIN_CONSTRUCTOR*/, + PK11SYMKEY_CONSTRUCTOR_SIG); + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey called GetMethodID\n"); + if(constructor == NULL) + { +// ASSERT_OUTOFMEM(env); + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey GetMethodID returns NULL\n"); + goto finish; + } + + /* convert the pointer to a byte array */ + ptrArray = JSS_ptrToByteArray(env, (void*)*symKey); + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey called JSS_ptrToByteArray\n"); + if( ptrArray == NULL ) + { + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey JSS_ptrToByteArray returns NULL\n"); + goto finish; + } + + /* call the constructor */ + Key = (env)->NewObject( keyClass, constructor, ptrArray); + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey called NewObject\n"); + +finish: + if(Key == NULL) + { + if (debug_fd) + PR_fprintf(debug_fd, "DRMproto in JSS_PK11_wrapSymKey NewObject returns NULL\n"); + PK11_FreeSymKey(*symKey); + } + *symKey = NULL; + return Key; +} + + +/*********************************************************************** + ** + ** J S S _ g e t P t r F r o m P r o x y + ** + ** Given a NativeProxy, extract the pointer and store it at the given + ** address. + ** + ** nativeProxy: a JNI reference to a NativeProxy. + ** ptr: address of a void* that will receive the pointer extracted from + ** the NativeProxy. + ** Returns: PR_SUCCESS on success, PR_FAILURE if an exception was thrown. + ** + ** Example: + ** DataStructure *recovered; + ** jobject proxy; + ** JNIEnv *env; + ** [...] + ** if(JSS_getPtrFromProxy(env, proxy, (void**)&recovered) != PR_SUCCESS) { + ** return; // exception was thrown! + ** } + */ +PRStatus +JSS_getPtrFromProxy(JNIEnv *env, jobject nativeProxy, void **ptr) +{ +#ifdef DEBUG + jclass nativeProxyClass; +#endif + jclass proxyClass; + jfieldID byteArrayField; + jbyteArray byteArray; + int size; + + PR_ASSERT(env!=NULL && nativeProxy != NULL && ptr != NULL); + if( nativeProxy == NULL ) + { +// JSS_throw(env, NULL_POINTER_EXCEPTION); + return PR_FAILURE; + } + + proxyClass = (env)->GetObjectClass(nativeProxy); + PR_ASSERT(proxyClass != NULL); + +#ifdef DEBUG + nativeProxyClass = (env)->FindClass( + NATIVE_PROXY_CLASS_NAME); + if(nativeProxyClass == NULL) + { +// ASSERT_OUTOFMEM(env); + return PR_FAILURE; + } + + /* make sure what we got was really a NativeProxy object */ + PR_ASSERT( (env)->IsInstanceOf(nativeProxy, nativeProxyClass) ); +#endif + + byteArrayField = (env)->GetFieldID( + proxyClass, + NATIVE_PROXY_POINTER_FIELD, + NATIVE_PROXY_POINTER_SIG); + if(byteArrayField==NULL) + { +// ASSERT_OUTOFMEM(env); + return PR_FAILURE; + } + + byteArray = (jbyteArray) (env)->GetObjectField(nativeProxy, + byteArrayField); + PR_ASSERT(byteArray != NULL); + + size = sizeof(*ptr); + PR_ASSERT((env)->GetArrayLength( byteArray) == size); + (env)->GetByteArrayRegion(byteArray, 0, size, (jbyte*)ptr); + if( (env)->ExceptionOccurred() ) + { + PR_ASSERT(PR_FALSE); + return PR_FAILURE; + } + else + { + return PR_SUCCESS; + } +} + + +/*********************************************************************** + ** + ** J S S _ g e t P t r F r o m P r o x y O w n e r + ** + ** Given an object which contains a NativeProxy, extract the pointer + ** from the NativeProxy and store it at the given address. + ** + ** proxyOwner: an object which contains a NativeProxy member. + ** proxyFieldName: the name of the NativeProxy member. + ** proxyFieldSig: the signature of the NativeProxy member. + ** ptr: address of a void* that will receive the extract pointer. + ** Returns: PR_SUCCESS for success, PR_FAILURE if an exception was thrown. + ** + ** Example: + ** <Java> + ** public class Owner { + ** protected MyProxy myProxy; + ** [...] + ** } + ** + ** <C> + ** DataStructure *recovered; + ** jobject owner; + ** JNIEnv *env; + ** [...] + ** if(JSS_getPtrFromProxyOwner(env, owner, "myProxy", (void**)&recovered) + ** != PR_SUCCESS) { + ** return; // exception was thrown! + ** } + */ +PRStatus +JSS_getPtrFromProxyOwner(JNIEnv *env, jobject proxyOwner, char* proxyFieldName, +char *proxyFieldSig, void **ptr) +{ + jclass ownerClass; + jfieldID proxyField; + jobject proxyObject; + + PR_ASSERT(env!=NULL && proxyOwner!=NULL && proxyFieldName!=NULL && + ptr!=NULL); + + /* + * Get proxy object + */ + ownerClass = (env)->GetObjectClass(proxyOwner); + proxyField = (env)->GetFieldID(ownerClass, proxyFieldName, + proxyFieldSig); + if(proxyField == NULL) + { + return PR_FAILURE; + } + proxyObject = (env)->GetObjectField(proxyOwner, proxyField); + PR_ASSERT(proxyObject != NULL); + + /* + * Get the pointer from the Native Reference object + */ + return JSS_getPtrFromProxy(env, proxyObject, ptr); +} + + +/*********************************************************************** + * + * J S S _ P K 1 1 _ g e t S y m K e y P t r + * + */ +PRStatus +JSS_PK11_getSymKeyPtr(JNIEnv *env, jobject symKeyObject, PK11SymKey **ptr) +{ + PR_ASSERT(env!=NULL && symKeyObject!=NULL); + + /* Get the pointer from the key proxy */ + return JSS_getPtrFromProxyOwner(env, symKeyObject, SYM_KEY_PROXY_FIELD, + SYM_KEY_PROXY_SIG, (void**)ptr); +} +#endif //STEAL_JSS +// Function takes wither a symkey OR a keybuffer (for the default keyset case) +// To derive a new key. +PK11SymKey *DeriveKey(PK11SymKey *cardKey, const Buffer& hostChallenge, const Buffer& cardChallenge) +{ + PK11SymKey *key = NULL, *master = NULL; + PK11SlotInfo *slot = PK11_GetInternalKeySlot(); + PK11Context *context = NULL; + unsigned char derivationData[KEYLENGTH]; +#ifdef DES2_WORKAROUND + unsigned char keyData[DES3_LENGTH]; +#else + unsigned char keyData[KEYLENGTH]; +#endif + int i = 0; + SECStatus s = SECSuccess; + int len = 0;; + static SECItem noParams = { siBuffer, NULL, 0 }; + + /* vars for PK11_Derive section */ + SECItem param = { siBuffer, NULL, 0 }; + CK_KEY_DERIVATION_STRING_DATA string; + PK11SymKey *tmp1 = NULL; + PK11SymKey *tmp2 = NULL; + PRBool invalid_mechanism = PR_FALSE; + CK_OBJECT_HANDLE keyhandle = 0; + + PR_fprintf(PR_STDOUT,"In DeriveKey! \n"); + master = cardKey; + + if( ! master ) goto done; + + for(i = 0;i < 4;i++) + { + derivationData[i] = cardChallenge[i+4]; + derivationData[i+4] = hostChallenge[i]; + derivationData[i+8] = cardChallenge[i]; + derivationData[i+12] = hostChallenge[i+4]; + } + + string.pData = &derivationData[0]; + string.ulLen = EIGHT_BYTES; + param.data = (unsigned char*)&string; + param.len = sizeof(string); + + invalid_mechanism = PR_FALSE; + + tmp1 = PK11_Derive( master , CKM_DES_ECB_ENCRYPT_DATA , ¶m , CKM_CONCATENATE_BASE_AND_KEY , CKA_DERIVE, 0); + + if ( tmp1 == NULL) { + if ( PR_GetError() == SEC_ERROR_NO_TOKEN) + invalid_mechanism = PR_TRUE; + + PR_fprintf(PR_STDERR,"DeriveKey: Can't create key, using encrypt and derive method ! error %d \n", PR_GetError()); + } else { + PR_fprintf(PR_STDOUT,"DeriveKey: Successfully created key using encrypt and derive method! \n"); + } + + if ( invalid_mechanism == PR_FALSE) { + + string.pData = &derivationData[EIGHT_BYTES]; + string.ulLen = EIGHT_BYTES; + + tmp2 = PK11_Derive( master , CKM_DES_ECB_ENCRYPT_DATA , ¶m , CKM_CONCATENATE_BASE_AND_KEY , CKA_DERIVE , 0); + + if ( tmp2 == NULL) { + PR_fprintf(PR_STDERR,"DeriveKey: Can't derive key using CONCATENATE method! \n"); + goto done; + } else { + PR_fprintf(PR_STDOUT,"DeriveKey: Successfully created key using CONCATENATE method! \n"); + } + + keyhandle = PK11_GetSymKeyHandle(tmp2); + + param.data=(unsigned char *) &keyhandle; + param.len=sizeof(keyhandle); + + key = PK11_Derive ( tmp1 , CKM_CONCATENATE_BASE_AND_KEY , ¶m ,CKM_DES3_ECB , CKA_DERIVE , 16); + + if ( key == NULL) { + PR_fprintf(PR_STDERR,"DeriveKey: Can't create final derived key! \n"); + goto done; + } else { + PR_fprintf(PR_STDOUT,"DeriveKey: Successfully created final derived key! \n"); + } + + } else { /* We don't have access to the proper derive mechanism, use primitive mechanisms now */ + + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, master, + &noParams); + + if (!context) goto done; + + s = PK11_CipherOp(context, &keyData[0], &len, EIGHT_BYTES, &derivationData[0], EIGHT_BYTES); + if (s != SECSuccess) goto done; + + s = PK11_CipherOp(context, &keyData[EIGHT_BYTES], &len, 8, &derivationData[EIGHT_BYTES], EIGHT_BYTES); + if (s != SECSuccess) goto done; + + for(i = 0;i < EIGHT_BYTES ;i++) + { + keyData[i+KEYLENGTH] = keyData[i]; + } + + key = CreateUnWrappedSymKeyOnToken( slot, master, &keyData[0] , DES3_LENGTH, PR_FALSE ); + + if ( key == NULL ) { + PR_fprintf(PR_STDERR,"DeriveKey: CreateUnWrappedSymKey failed! %d \n", PR_GetError()); + } else { + PR_fprintf(PR_STDOUT,"DeriveKey: CreateUnWrappedSymKey succeeded! \n"); + } + } + + done: + memset(keyData, 0, sizeof keyData); + if ( context != NULL) { + PK11_DestroyContext(context, PR_TRUE); + context = NULL; + } + + if (slot) { + PK11_FreeSlot(slot); + slot = NULL; + } + + if (tmp1) { + PK11_FreeSymKey(tmp1); + tmp1 = NULL; + } + + if (tmp2) { + PK11_FreeSymKey(tmp2); + tmp2 = NULL; + } + + return key; +} + +#ifdef __cplusplus +extern "C" +{ +#endif + JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeKeyCheck + (JNIEnv *, jclass, jobject deskeyObj); +#ifdef __cplusplus +} +#endif +extern "C" JNIEXPORT jbyteArray JNICALL +Java_com_netscape_symkey_SessionKey_ComputeKeyCheck +(JNIEnv* env, jclass this2, jobject deskeyObj) +{ + jbyteArray handleBA=NULL; + jbyte *handleBytes=NULL; + + PK11SymKey *key = NULL; +// PK11SlotInfo *slot = PK11_GetInternalKeySlot(); + PK11Context *context = NULL; + SECStatus s = SECFailure; + PRStatus r = PR_FAILURE; + int lenx = 0; + static SECItem noParams = { siBuffer, NULL, 0 }; + + unsigned char value[EIGHT_BYTES]; + + memset(value, 0, sizeof value); + + r = JSS_PK11_getSymKeyPtr(env, deskeyObj, &key); + + if (r != PR_SUCCESS) { + goto finish; + } + + if ( ! key ) { + goto finish; + } + + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, key, + &noParams); + if (!context) { + goto finish; + } + + s = PK11_CipherOp(context, &value[0], &lenx, EIGHT_BYTES, &value[0], EIGHT_BYTES); + if (s != SECSuccess) + { + goto finish; + } + handleBA = (env)->NewByteArray(3); + if(handleBA == NULL ) { + goto finish; + } + handleBytes = (env)->GetByteArrayElements(handleBA, NULL); + if(handleBytes==NULL) { + goto finish; + } + memcpy(handleBytes, value, 3); + + if( handleBytes != NULL) { + (env)->ReleaseByteArrayElements(handleBA, handleBytes, 0); + } + +finish: + + if ( context != NULL) { + PK11_DestroyContext(context, PR_TRUE); + context = NULL; + } + +// if ( slot != NULL) { +// PK11_FreeSlot(slot); +// slot = NULL; +// } + + return handleBA; +} + + +//================================================================================= +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: ComputeSessionKey + * Signature: ([B[B[B[B)[B + */ + JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeSessionKey + (JNIEnv *, jclass, jstring, jstring, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jstring, jstring, jstring); +#ifdef __cplusplus +} +#endif +#define KEYLENGTH 16 +extern "C" JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeSessionKey(JNIEnv * env, jclass this2, jstring tokenName, jstring keyName, jbyteArray card_challenge, jbyteArray host_challenge, jbyteArray keyInfo, jbyteArray CUID, jbyteArray macKeyArray, jstring useSoftToken_s, jstring keySet, jstring sharedSecretKeyName) +{ + /* hardcore permanent mac key */ + jbyte *mac_key = NULL; + if (macKeyArray != NULL) { + mac_key = (jbyte*)(env)->GetByteArrayElements(macKeyArray, NULL); + } else { + return NULL; + } + + char input[KEYLENGTH]; + int i = 0; + + SECItem wrappedKeyItem = { siBuffer, NULL , 0}; + SECItem noParams = { siBuffer, NULL, 0 }; + SECStatus wrapStatus = SECFailure; + + + char *keyNameChars=NULL; + char *tokenNameChars=NULL; + PK11SlotInfo *slot = NULL; + PK11SlotInfo *internal = PK11_GetInternalKeySlot(); + + PK11SymKey *symkey = NULL; + PK11SymKey *transportKey = NULL; + PK11SymKey *masterKey = NULL; + + PK11SymKey *macSymKey = NULL; + PK11SymKey *symkey16 = NULL; + PK11SymKey *macKey = NULL; + + + BYTE macData[KEYLENGTH]; + char keyname[KEYNAMELENGTH]; + + + /* Derive vars */ + + CK_ULONG bitPosition = 0; + SECItem paramsItem = { siBuffer, NULL, 0 }; + + /* Java object return vars */ + + jbyteArray handleBA=NULL; + jbyte *handleBytes=NULL; + + jbyte * cuidValue = NULL; + + jbyte *cc = NULL; + int cc_len = 0; + + int hc_len = 0; + jbyte *hc = NULL; + + jbyte * keyVersion = NULL; + int keyVersion_len = 0; + + Buffer macBuff( ( BYTE *) mac_key , KEYLENGTH ); + + char *keySetStringChars = NULL; + if( keySet != NULL ) { + keySetStringChars = (char *) (env)->GetStringUTFChars( keySet, NULL); + } + + char *keySetString = keySetStringChars; + + if ( keySetString == NULL ) { + keySetString = (char *) DEFKEYSET_NAME; + } + + char *sharedSecretKeyNameChars = NULL; + + if( sharedSecretKeyName != NULL ) { + sharedSecretKeyNameChars = (char *) (env)->GetStringUTFChars( sharedSecretKeyName, NULL); + } + + char *sharedSecretKeyNameString = sharedSecretKeyNameChars; + + if ( sharedSecretKeyNameString == NULL ) { + sharedSecretKeyNameString = (char *) TRANSPORT_KEY_NAME; + } + + GetSharedSecretKeyName(sharedSecretKeyNameString); + + if( card_challenge != NULL) { + cc = (jbyte*)(env)->GetByteArrayElements( card_challenge, NULL); + cc_len = (env)->GetArrayLength(card_challenge); + } + + if( cc == NULL) { + goto done; + } + + if( host_challenge != NULL) { + hc = (jbyte*)(env)->GetByteArrayElements( host_challenge, NULL); + hc_len = (env)->GetArrayLength( host_challenge); + } + + if( hc == NULL) { + goto done; + } + + if( keyInfo != NULL) { + keyVersion = (jbyte*)(env)->GetByteArrayElements( keyInfo, NULL); + + if( keyVersion) { + keyVersion_len = (env)->GetArrayLength(keyInfo); + } + } + + if( !keyVersion || (keyVersion_len < 2) ){ + goto done; + } + + if ( CUID != NULL ) { + cuidValue = (jbyte*)(env)->GetByteArrayElements( CUID, NULL); + } + + if( cuidValue == NULL) { + goto done; + } + + /* copy card and host challenge into input buffer */ + for (i = 0; i < 8; i++) + { + input[i] = cc[i]; + } + for (i = 0; i < 8; i++) + { + input[8+i] = hc[i]; + } + + GetDiversificationData(cuidValue,macData,mac);//keytype is mac + + if(tokenName) + { + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + slot = ReturnSlot(tokenNameChars); + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + + if(keyName) + { + keyNameChars = (char *)(env)->GetStringUTFChars(keyName, NULL); + strncpy(keyname,keyNameChars,KEYNAMELENGTH); + (env)->ReleaseStringUTFChars(keyName, (const char *)keyNameChars); + }else + GetKeyName(keyVersion,keyname); + + PR_fprintf(PR_STDOUT,"In SessionKey.ComputeSessionKey! \n"); + + if ( (keyVersion[0] == 0x1 && keyVersion[1]== 0x1 && strcmp( keyname, "#01#01") == 0) || + (keyVersion[0] == -1 && strstr(keyname, "#FF"))) + + { + /* default manufacturers key */ + + macSymKey = ReturnDeveloperSymKey(slot, (char *) "mac" , keySetString, macBuff); + + if( macSymKey == NULL ) { + goto done; + } + + symkey = DeriveKey( //Util::DeriveKey( + macSymKey, Buffer((BYTE*)hc, hc_len), Buffer((BYTE*)cc, cc_len)); + + }else + { + masterKey = ReturnSymKey( slot,keyname); + if(masterKey == NULL) + { + goto done; + } + + macKey =ComputeCardKeyOnToken(masterKey,macData); + if(macKey == NULL) + { + goto done; + } + + symkey = DeriveKey(macKey, Buffer((BYTE*)hc, hc_len), Buffer((BYTE*)cc, cc_len)); + + if(symkey == NULL) + { + goto done; + } + } + //Now wrap the key for the trip back to TPS with shared secret transport key + + symkey16 = NULL; + transportKey = ReturnSymKey( internal, GetSharedSecretKeyName(NULL)); + if ( transportKey == NULL ) { + PR_fprintf(PR_STDERR, "Can't find shared secret transport key! \n"); + goto done; + } + + handleBA = (env)->NewByteArray( KEYLENGTH); + handleBytes = (env)->GetByteArrayElements(handleBA, NULL); + + paramsItem.data = (CK_BYTE *) &bitPosition; + paramsItem.len = sizeof bitPosition; + + symkey16 = PK11_Derive(symkey, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT, + CKA_DERIVE, 16); + if ( !symkey16 ) { + PR_fprintf(PR_STDERR,"Can't derive 16 byte key from 24 byte symkey! \n"); + goto done; + } + + wrappedKeyItem.data = (unsigned char *) handleBytes; + wrappedKeyItem.len = KEYLENGTH; + wrapStatus = PK11_WrapSymKey(CKM_DES3_ECB,&noParams, transportKey, symkey16, &wrappedKeyItem); + + if(wrapStatus == SECFailure ) + { + PR_fprintf(PR_STDERR, "Can't wrap session key! Error: %d \n", PR_GetError()); + } + +done: + + if( slot) { + PK11_FreeSlot(slot); + slot = NULL; + } + + if( internal ) { + PK11_FreeSlot(internal); + internal = NULL; + } + + if ( symkey ) { + PK11_FreeSymKey( symkey); + symkey = NULL; + } + + if ( transportKey ) { + PK11_FreeSymKey( transportKey ); + transportKey = NULL; + } + + if ( symkey16 ) { + PK11_FreeSymKey( symkey16 ); + symkey16 = NULL; + } + + if( masterKey ) { + PK11_FreeSymKey( masterKey); + masterKey = NULL; + } + + if( macKey ) { + PK11_FreeSymKey( macKey); + macKey = NULL; + } + + if( macSymKey ) { + PK11_FreeSymKey( macSymKey ); + macSymKey = NULL; + } + + if( keySetStringChars ) { + (env)->ReleaseStringUTFChars(keySet, (const char *)keySetStringChars); + keySetStringChars = NULL; + } + + if( sharedSecretKeyNameChars ) { + (env)->ReleaseStringUTFChars(sharedSecretKeyName, (const char *)sharedSecretKeyNameChars); + sharedSecretKeyNameChars = NULL; + } + + if ( handleBA != NULL) { + (env)->ReleaseByteArrayElements( handleBA, handleBytes, 0); + } + + if ( cc != NULL) { + (env)->ReleaseByteArrayElements(card_challenge, cc, JNI_ABORT); + } + + if ( hc != NULL) { + (env)->ReleaseByteArrayElements(host_challenge, hc, JNI_ABORT); + } + + if( keyVersion != NULL) { + (env)->ReleaseByteArrayElements(keyInfo, keyVersion, JNI_ABORT); + } + + if ( cuidValue != NULL) { + (env)->ReleaseByteArrayElements(CUID, cuidValue, JNI_ABORT); + } + + if( mac_key != NULL) { + (env)->ReleaseByteArrayElements(macKeyArray, mac_key, JNI_ABORT); + } + + return handleBA; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: ComputeEncSessionKey + * Signature: ([B[B[B[B)[B + */ + JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeEncSessionKey + (JNIEnv *, jclass, jstring, jstring, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jstring, jstring); +#ifdef __cplusplus +} +#endif +#define KEYLENGTH 16 +extern "C" JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeEncSessionKey(JNIEnv * env, jclass this2, jstring tokenName, jstring keyName, jbyteArray card_challenge, jbyteArray host_challenge, jbyteArray keyInfo, jbyteArray CUID, jbyteArray encKeyArray, jstring useSoftToken_s, jstring keySet) +{ + /* hardcoded permanent enc key */ + jbyte *enc_key = NULL; + if(encKeyArray != NULL ) { + enc_key = (jbyte*)(env)->GetByteArrayElements(encKeyArray, NULL); + } else { + return NULL; + } + + char input[KEYLENGTH]; + int i = 0; + + SECItem wrappedKeyItem = { siBuffer, NULL , 0}; + SECItem noParams = { siBuffer, NULL, 0 }; + SECStatus wrapStatus = SECFailure; + + char *keyNameChars = NULL; + char *tokenNameChars = NULL; + PK11SlotInfo *slot = NULL; + PK11SlotInfo *internal = PK11_GetInternalKeySlot(); + + PK11SymKey *symkey = NULL; + PK11SymKey * transportKey = NULL; + PK11SymKey *masterKey = NULL; + + PK11SymKey *encSymKey = NULL; + PK11SymKey *encKey = NULL; + PK11SymKey *symkey16 = NULL; + + BYTE encData[KEYLENGTH]; + char keyname[KEYNAMELENGTH]; + + /* Derive vars */ + CK_ULONG bitPosition = 0; + SECItem paramsItem = { siBuffer, NULL, 0 }; + + /* Java object return vars */ + + jbyteArray handleBA=NULL; + jbyte *handleBytes=NULL; + + jbyte * cuidValue = NULL; + + jbyte *cc = NULL; + int cc_len = 0; + + int hc_len = 0; + jbyte *hc = NULL; + + jbyte * keyVersion = NULL; + int keyVersion_len = 0; + + Buffer encBuff( ( BYTE *) enc_key , KEYLENGTH ); + + char *keySetStringChars = NULL; + + if( keySet != NULL ) { + keySetStringChars = (char *) (env)->GetStringUTFChars( keySet, NULL); + } + + char *keySetString = keySetStringChars; + + if ( keySetString == NULL ) { + keySetString = (char *) DEFKEYSET_NAME; + } + + if( card_challenge != NULL) { + cc = (jbyte*)(env)->GetByteArrayElements( card_challenge, NULL); + cc_len = (env)->GetArrayLength(card_challenge); + } + + if( cc == NULL) { + goto done; + } + + if( host_challenge != NULL) { + hc = (jbyte*)(env)->GetByteArrayElements( host_challenge, NULL); + hc_len = (env)->GetArrayLength( host_challenge); + } + + if( hc == NULL) { + goto done; + } + + if( keyInfo != NULL) { + keyVersion = (jbyte*)(env)->GetByteArrayElements( keyInfo, NULL); + + if( keyVersion) { + keyVersion_len = (env)->GetArrayLength(keyInfo); + } + } + + if( !keyVersion || (keyVersion_len < 2) ){ + goto done; + } + + if( CUID != NULL) { + cuidValue = (jbyte*)(env)->GetByteArrayElements( CUID, NULL); + } + + if( cuidValue == NULL) { + goto done; + } + + /* copy card and host challenge into input buffer */ + for (i = 0; i < 8; i++) + { + input[i] = cc[i]; + } + for (i = 0; i < 8; i++) + { + input[8+i] = hc[i]; + } + + GetDiversificationData(cuidValue,encData,enc); + + if(tokenName) + { + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + slot = ReturnSlot(tokenNameChars); + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + + if(keyName) + { + keyNameChars = (char *)(env)->GetStringUTFChars(keyName, NULL); + strncpy(keyname,keyNameChars,KEYNAMELENGTH); + (env)->ReleaseStringUTFChars(keyName, (const char *)keyNameChars); + } + else { + GetKeyName(keyVersion,keyname); + } + + if ( (keyVersion[0] == 0x1 && keyVersion[1]== 0x1 &&strcmp( keyname, "#01#01") == 0) || + (keyVersion[0] == -1 && strstr(keyname, "#FF"))) + { + /* default manufacturers key */ + + encSymKey = ReturnDeveloperSymKey(slot, (char *) "auth" , keySetString, encBuff); + + if( encSymKey == NULL ) { + goto done; + } + + symkey = DeriveKey( //Util::DeriveKey( + encSymKey, Buffer((BYTE*)hc, hc_len), Buffer((BYTE*)cc, cc_len)); + + }else + { + masterKey = ReturnSymKey( slot,keyname); + + /* We need to use internal so that the key + * can be exported by using PK11_GetKeyData() + */ + if(masterKey == NULL) { + goto done; + } + + encKey =ComputeCardKeyOnToken(masterKey,encData); + if(encKey == NULL) { + goto done; + } + symkey = DeriveKey(encKey, Buffer((BYTE*)hc, hc_len), Buffer((BYTE*)cc, cc_len)); + } + + if(symkey == NULL) { + goto done; + } + + //Now wrap the key for the trip back to TPS with shared secret transport key + transportKey = ReturnSymKey( internal, GetSharedSecretKeyName(NULL)); + if ( transportKey == NULL ) { + goto done; + } + + handleBA = (env)->NewByteArray( KEYLENGTH); + handleBytes = (env)->GetByteArrayElements(handleBA, NULL); + + paramsItem.data = (CK_BYTE *) &bitPosition; + paramsItem.len = sizeof bitPosition; + + symkey16 = PK11_Derive(symkey, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT, + CKA_DERIVE, KEYLENGTH); + + if ( !symkey16 ) { + PR_fprintf(PR_STDERR,"SessionKey: ComputeEncSessionKey - Can't derive 16 byte key from 24 byte symkey! \n"); + goto done; + } + + wrappedKeyItem.data = (unsigned char *) handleBytes; + wrappedKeyItem.len = KEYLENGTH; + wrapStatus = PK11_WrapSymKey(CKM_DES3_ECB,&noParams, transportKey, symkey16, &wrappedKeyItem); + + if ( wrapStatus == SECFailure ) { + PR_fprintf(PR_STDERR,"SessionKey: ComputeEncSessionKey - Can't wrap encSessionKey ! Error: %d \n", PR_GetError()); + } + +done: + + if ( slot ) { + PK11_FreeSlot ( slot ); + slot = NULL; + } + + if ( internal) { + PK11_FreeSlot( internal); + internal = NULL; + } + + if( symkey) { + PK11_FreeSymKey( symkey); + symkey = NULL; + } + + if( transportKey) { + PK11_FreeSymKey( transportKey ); + transportKey = NULL; + } + + if( masterKey) { + PK11_FreeSymKey( masterKey); + masterKey = NULL; + } + + if( symkey16) { + PK11_FreeSymKey( symkey16); + symkey16 = NULL; + } + + if ( encSymKey ) { + PK11_FreeSymKey( encSymKey); + encSymKey = NULL; + } + + if( encKey) { + PK11_FreeSymKey( encKey); + encKey = NULL; + } + + if( keySetStringChars ) { + (env)->ReleaseStringUTFChars(keySet, (const char *)keySetStringChars); + keySetStringChars = NULL; + } + + if ( handleBytes != NULL ) { + (env)->ReleaseByteArrayElements( handleBA, handleBytes, 0); + } + + if( cc != NULL ) { + (env)->ReleaseByteArrayElements(card_challenge, cc, JNI_ABORT); + } + + if( hc != NULL ) { + (env)->ReleaseByteArrayElements(host_challenge, hc, JNI_ABORT); + } + if(keyVersion != NULL ) { + (env)->ReleaseByteArrayElements(keyInfo, keyVersion, JNI_ABORT); + } + + if(cuidValue != NULL) { + (env)->ReleaseByteArrayElements(CUID, cuidValue, JNI_ABORT); + } + + if( enc_key != NULL) { + (env)->ReleaseByteArrayElements(encKeyArray, enc_key, JNI_ABORT); + } + + return handleBA; +} + +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: ComputeKekKey + * Signature: ([B[B[B[B)[B + */ + JNIEXPORT jobject JNICALL Java_com_netscape_symkey_SessionKey_ComputeKekKey + (JNIEnv *, jclass, jstring, jstring, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jbyteArray, jstring, jstring); +#ifdef __cplusplus +} +#endif +#define KEYLENGTH 16 + +extern "C" JNIEXPORT jobject JNICALL Java_com_netscape_symkey_SessionKey_ComputeKekKey(JNIEnv * env, jclass this2, jstring tokenName, jstring keyName, jbyteArray card_challenge, jbyteArray host_challenge, jbyteArray keyInfo, jbyteArray CUID, jbyteArray kekKeyArray, jstring useSoftToken_s, jstring keySet) +{ + /* hardcoded permanent kek key */ + jbyte *kek_key = NULL; + if( kekKeyArray != NULL) { + kek_key = (jbyte*)(env)->GetByteArrayElements(kekKeyArray, NULL); + } else { + return NULL; + } + + Buffer kekBuff( ( BYTE *) kek_key , KEYLENGTH ); + + char *keySetStringChars = NULL; + if( keySet != NULL ) { + keySetStringChars = (char *) (env)->GetStringUTFChars( keySet, NULL); + } + + char *keySetString = keySetStringChars; + + if ( keySetString == NULL ) { + keySetString = (char *) DEFKEYSET_NAME; + } + + char input[KEYLENGTH]; + int i; + jobject keyObj = NULL; + + jbyte *cc = NULL; + jbyte *hc = NULL; + jbyte * keyVersion = NULL; + int keyVersion_len = 0; + jbyte * cuidValue = NULL; + + char *keyNameChars=NULL; + char *tokenNameChars = NULL; + PK11SlotInfo *slot = NULL; + + PK11SymKey *kekKey = NULL; + PK11SymKey *masterKey = NULL; + + BYTE kekData[KEYLENGTH]; + char keyname[KEYNAMELENGTH]; + + if( card_challenge != NULL) { + cc = (jbyte*)(env)->GetByteArrayElements( card_challenge, NULL); + } + + if( cc == NULL) { + goto done; + } + + if( host_challenge != NULL) { + hc = (jbyte*)(env)->GetByteArrayElements( host_challenge, NULL); + } + + if( hc == NULL) { + goto done; + } + + if( keyInfo != NULL) { + keyVersion = (jbyte*)(env)->GetByteArrayElements( keyInfo, NULL); + if( keyVersion) { + keyVersion_len = (env)->GetArrayLength(keyInfo); + } + } + + if( !keyVersion || (keyVersion_len < 2) ){ + goto done; + } + + if( CUID != NULL) { + cuidValue = (jbyte*)(env)->GetByteArrayElements( CUID, NULL); + } + + if( cuidValue == NULL) { + goto done; + } + + /* copy card and host challenge into input buffer */ + for (i = 0; i < 8; i++) + { + input[i] = cc[i]; + } + for (i = 0; i < 8; i++) + { + input[8+i] = hc[i]; + } + + GetDiversificationData(cuidValue,kekData,kek);//keytype is kek + + if (tokenName) + { + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + slot = ReturnSlot(tokenNameChars); + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + + if (keyName) + { + keyNameChars = (char *)(env)->GetStringUTFChars(keyName, NULL); + strcpy(keyname,keyNameChars); + (env)->ReleaseStringUTFChars(keyName, (const char *)keyNameChars); + }else + GetKeyName(keyVersion,keyname); + + PR_fprintf(PR_STDOUT,"In SessionKey.ComputeKekKey! \n"); + + if (( keyVersion[0] == 0x1 && keyVersion[1]== 0x1 &&strcmp( keyname, "#01#01") == 0 ) || + (keyVersion[0] == -1 && strcmp(keyname, "#FF"))) + { + /* default manufacturers key */ + + kekKey = ReturnDeveloperSymKey(slot, (char *) "kek" , keySetString, kekBuff); + + } else { + masterKey = ReturnSymKey( slot,keyname); + + if(masterKey == NULL) + { + goto done; + } + + kekKey =ComputeCardKeyOnToken(masterKey,kekData); + + } + + if(kekKey == NULL) { + goto done; + } + + keyObj = JSS_PK11_wrapSymKey(env, &kekKey, NULL); + +done: + + if( keySetStringChars ) { + (env)->ReleaseStringUTFChars(keySet, (const char *)keySetStringChars); + keySetStringChars = NULL; + } + + if(masterKey) { + PK11_FreeSymKey( masterKey); + masterKey = NULL; + } + + if(kekKey) { + PK11_FreeSymKey( kekKey); + kekKey = NULL; + } + + if(slot) { + PK11_FreeSlot(slot); + slot = NULL; + } + + if (cc != NULL) { + (env)->ReleaseByteArrayElements(card_challenge, cc, JNI_ABORT); + } + + if (hc != NULL) { + (env)->ReleaseByteArrayElements(host_challenge, hc, JNI_ABORT); + } + + if( keyVersion != NULL ) { + (env)->ReleaseByteArrayElements(keyInfo, keyVersion, JNI_ABORT); + } + + if (cuidValue != NULL ) { + (env)->ReleaseByteArrayElements(CUID, cuidValue, JNI_ABORT); + } + + return keyObj; +} + +PRStatus ComputeMAC(PK11SymKey *key, Buffer &x_input, +const Buffer &icv, Buffer &output) +{ + PRStatus rv = PR_SUCCESS; + PK11Context *context = NULL; +// NetkeyICV temp; + unsigned char result[8]; + int i; + SECStatus s; + int len; +#ifdef USE_DESMAC + CK_ULONG macLen = sizeof result; + SECItem params = { siBuffer, (unsigned char *)&macLen, sizeof macLen }; +#endif + static SECItem noParams = { siBuffer, NULL, 0 }; + static unsigned char macPad[] = + { + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + }; + BYTE *input = (BYTE *) x_input; + int inputLen = x_input.size(); + + if(key == NULL) + { + rv = PR_FAILURE; goto done; + } + +#ifdef USE_DESMAC + context = PK11_CreateContextBySymKey(CKM_DES3_MAC_GENERAL, CKA_SIGN, + key, ¶ms); + if (!context) { rv = PR_FAILURE; goto done; } + + s = PK11_DigestBegin(context); + if (s != SECSuccess) { rv = PR_FAILURE; goto done; } + + s = PK11_DigestOp(context, icv, 8); + if (s != SECSuccess) { rv = PR_FAILURE; goto done; } + + while(inputLen >= 8) + { + s = PK11_DigestOp(context, input, 8); + if (s != SECSuccess) { rv = PR_FAILURE; goto done; } + + input += 8; + inputLen -= 8; + } + + for (i = 0;i < inputLen;i++) + { + result[i] = input[i]; + } + + input = macPad; + for(;i < 8;i++) + { + result[i] = *input++; + } + + s = PK11_DigestOp(context, result, sizeof result); + if (s != SECSuccess) { rv = PR_FAILURE; goto done; } + + s = PK11_DigestFinal(context, output, (unsigned int *)&len, sizeof output); + if (1 != SECSuccess) { rv = PR_FAILURE; goto done; } + +#else + + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, key, &noParams); + if (!context) { rv = PR_FAILURE; goto done; } + + memcpy(result, icv, sizeof result); + + /* Process whole blocks */ + while (inputLen >= 8) + { + for(i = 0;i < 8;i++) + { + result[i] ^= input[i]; + } + + s = PK11_CipherOp(context, result, &len, sizeof result, result, sizeof result); + if (s != SECSuccess) { rv = PR_FAILURE; goto done; } + if (len != sizeof result) /* assert? */ + { +//PR_SetError(PR_UNKNOWN_ERROR, 0); + rv = PR_FAILURE; + goto done; + } + + input += 8; + inputLen -= 8; + } + +/* + * Fold in remaining data (if any) + * Set i to number of bytes processed + */ + for(i = 0;i < inputLen;i++) + { + result[i] ^= input[i]; + } + + /* + * Fill remainder of last block. There + * will be at least one byte handled here. + */ + input = macPad; + while(i < 8) + { + result[i] ^= *input++; + i++; + } + + s = PK11_CipherOp(context, result, &len, sizeof result, result, sizeof result); + if (s != SECSuccess) { rv = PR_FAILURE; goto done; } + if (len != sizeof result) + { +//PR_SetError(PR_UNKNOWN_ERROR, 0); + rv = PR_FAILURE; + goto done; + } + + output.replace(0, result, sizeof result); +#endif + + done: + if (context) + { + PK11_Finalize(context); + PK11_DestroyContext(context, PR_TRUE); + } + memset(result, 0, sizeof result); + + return rv; +} /* ComputeMAC */ + + +//================================================================================= +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: ComputeCryptogram + * Signature: ([B[B[B[B)[B + */ + JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeCryptogram + (JNIEnv *, jclass, jstring, jstring, jbyteArray, jbyteArray, jbyteArray, jbyteArray, int, jbyteArray, jstring, jstring); +#ifdef __cplusplus +} +#endif +#define KEYLENGTH 16 +extern "C" JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_ComputeCryptogram(JNIEnv * env, jclass this2, jstring tokenName, jstring keyName, jbyteArray card_challenge, jbyteArray host_challenge, jbyteArray keyInfo, jbyteArray CUID, int type, jbyteArray authKeyArray, jstring useSoftToken_s, jstring keySet) +{ +/* hardcore permanent mac key */ + jbyte *auth_key = NULL; + if( authKeyArray != NULL) { + auth_key = (jbyte*)(env)->GetByteArrayElements(authKeyArray, NULL); + } else { + return NULL; + } + + Buffer authBuff( ( BYTE *) auth_key , KEYLENGTH ); + Buffer icv = Buffer(EIGHT_BYTES, (BYTE)0); + Buffer output = Buffer(EIGHT_BYTES, (BYTE)0); + + char *keySetStringChars = NULL; + if( keySet != NULL ) { + keySetStringChars = (char *) (env)->GetStringUTFChars( keySet, NULL); + } + + char *keySetString = keySetStringChars; + + if ( keySetString == NULL ) { + keySetString = (char *) DEFKEYSET_NAME; + } + + char input[KEYLENGTH]; + int i; + + PR_fprintf(PR_STDOUT,"In SessionKey: ComputeCryptogram! \n"); + jbyteArray handleBA=NULL; + jbyte *handleBytes=NULL; + + jbyte *cc = NULL; + jbyte *hc = NULL; + int cc_len = 0; + int hc_len = 0; + jbyte * keyVersion = NULL; + int keyVersion_len = 0; + jbyte * cuidValue = NULL; + + char *tokenNameChars = NULL; + char *keyNameChars=NULL; + PK11SlotInfo *slot = NULL; + + jbyte * session_key = NULL; + PK11SymKey *symkey = NULL; + PK11SymKey *masterKey = NULL; + PK11SymKey *authKey = NULL; + PK11SymKey *authSymKey = NULL; + + BYTE authData[KEYLENGTH]; + char keyname[KEYNAMELENGTH]; + Buffer input_x = Buffer(KEYLENGTH); + + if( card_challenge != NULL ) { + cc = (jbyte*)(env)->GetByteArrayElements( card_challenge, NULL); + cc_len = (env)->GetArrayLength(card_challenge); + } + + if( cc == NULL) { + goto done; + } + + if( host_challenge != NULL ) { + hc = (jbyte*)(env)->GetByteArrayElements( host_challenge, NULL); + hc_len = (env)->GetArrayLength( host_challenge); + } + + if( hc == NULL) { + goto done; + } + + if( keyInfo != NULL) { + keyVersion = (jbyte*)(env)->GetByteArrayElements( keyInfo, NULL); + if( keyVersion) { + keyVersion_len = (env)->GetArrayLength(keyInfo); + } + } + + if( !keyVersion || (keyVersion_len < 2) ){ + goto done; + } + + if( CUID != NULL) { + cuidValue = (jbyte*)(env)->GetByteArrayElements( CUID, NULL); + } + + if( cuidValue == NULL) { + goto done; + } + + if (type == 0) // compute host cryptogram + { + /* copy card and host challenge into input buffer */ + for (i = 0; i < EIGHT_BYTES; i++) + { + input[i] = cc[i]; + } + for (i = 0; i < EIGHT_BYTES; i++) + { + input[EIGHT_BYTES +i] = hc[i]; + } + } // compute card cryptogram + else if (type == 1) + { + for (i = 0; i < EIGHT_BYTES; i++) + { + input[i] = hc[i]; + } + for (i = 0; i < EIGHT_BYTES; i++) + { + input[EIGHT_BYTES+i] = cc[i]; + } + } + + input_x.replace(0, (BYTE*) input, KEYLENGTH); + + GetDiversificationData(cuidValue,authData,enc); + + if (tokenName) + { + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + slot = ReturnSlot(tokenNameChars); + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + + if (keyName) + { + keyNameChars = (char *)(env)->GetStringUTFChars(keyName, NULL); + strcpy(keyname,keyNameChars); + (env)->ReleaseStringUTFChars(keyName, (const char *)keyNameChars); + }else + GetKeyName(keyVersion,keyname); + + if ( (keyVersion[0] == 0x1 && keyVersion[1]== 0x1 &&strcmp( keyname, "#01#01") == 0 ) || + (keyVersion[0] == -1 && strstr(keyname, "#FF"))) + { + + /* default manufacturers key */ + + authSymKey = ReturnDeveloperSymKey(slot, (char *) "auth" , keySetString, authBuff); + if( authSymKey == NULL ) { + goto done; + } + + symkey = DeriveKey( + authSymKey, Buffer((BYTE*)hc, hc_len), Buffer((BYTE*)cc, cc_len)); + } + else + { + masterKey = ReturnSymKey( slot,keyname); + if (masterKey == NULL) + { + goto done; + } + + authKey = ComputeCardKeyOnToken(masterKey,authData); + if (authKey == NULL) + { + goto done; + } + + symkey = DeriveKey(authKey, + Buffer((BYTE*)hc, hc_len), Buffer((BYTE*)cc, cc_len)); + + } + + ComputeMAC(symkey, input_x, icv, output); + session_key = (jbyte *) (BYTE*)output; + + handleBA = (env)->NewByteArray( EIGHT_BYTES); + handleBytes = (env)->GetByteArrayElements(handleBA, NULL); + if( handleBytes ) { + memcpy(handleBytes, session_key, EIGHT_BYTES); + } + +done: + + if( slot ) { + PK11_FreeSlot( slot ); + slot = NULL; + } + + if( symkey ) { + PK11_FreeSymKey( symkey ); + symkey = NULL; + } + + if( authSymKey ) { + PK11_FreeSymKey( authSymKey ); + authSymKey = NULL; + } + + if( authKey) { + PK11_FreeSymKey( authKey); + authKey = NULL; + } + + if( masterKey) { + PK11_FreeSymKey( masterKey); + masterKey = NULL; + } + + if( keySetStringChars ) { + (env)->ReleaseStringUTFChars(keySet, (const char *)keySetStringChars); + keySetStringChars = NULL; + } + + if( handleBytes != NULL) { + (env)->ReleaseByteArrayElements( handleBA, handleBytes, 0); + } + + if( cc != NULL) { + (env)->ReleaseByteArrayElements(card_challenge, cc, JNI_ABORT); + } + + if( hc != NULL) { + (env)->ReleaseByteArrayElements(host_challenge, hc, JNI_ABORT); + } + + if( keyVersion != NULL) { + (env)->ReleaseByteArrayElements(keyInfo, keyVersion, JNI_ABORT); + } + + if( cuidValue != NULL) { + (env)->ReleaseByteArrayElements(CUID, cuidValue, JNI_ABORT); + } + + return handleBA; +} + + +//================================================================================= + +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_ECBencrypt + * Method: ECBencrypt + * Signature: ([B[B[B[B)[B + */ + JNIEXPORT jbyteArray JNICALL + Java_com_netscape_symkey_SessionKey_ECBencrypt + (JNIEnv*, jclass, jobject, jobject); +#ifdef __cplusplus +} +#endif +extern "C" JNIEXPORT jbyteArray JNICALL +Java_com_netscape_symkey_SessionKey_ECBencrypt +(JNIEnv* env, jclass this2, jobject symkeyObj, jobject deskeyObj ) +{ + jbyteArray handleBA=NULL; + jint dlen=KEYLENGTH; // applet only supports 16 bytes + jbyte *handleBytes=NULL; + + PK11SymKey *symkey = NULL; + PK11SymKey *deskey = NULL; + PK11SymKey *newdeskey = NULL; + PRStatus r = PR_FAILURE; + static SECItem noParams = { siBuffer, NULL, 0 }; + SECItem wrappedKeyItem = { siBuffer, NULL, 0 }; + SECStatus wrapStatus = SECFailure; + + /* PK11_Derive vars. */ + + SECItem paramsItem = { siBuffer, NULL, 0 }; + CK_ULONG bitPosition = 0; + + PR_fprintf(PR_STDOUT,"In SessionKey: ECBencrypt! \n"); + + if( !symkeyObj || !deskeyObj) { + goto finish; + } + + r = JSS_PK11_getSymKeyPtr(env, symkeyObj, &symkey); + if (r != PR_SUCCESS) { + goto finish; + } + + r = JSS_PK11_getSymKeyPtr(env, deskeyObj, &deskey); + if (r != PR_SUCCESS) { + goto finish; + } + // Instead of playing with raw keys, let's derive the 16 byte des2 key from + // the 24 byte des2 key. + + bitPosition = 0; + paramsItem.data = (CK_BYTE *) &bitPosition; + paramsItem.len = sizeof bitPosition; + + newdeskey = PK11_Derive(deskey, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT, + CKA_DERIVE, 16); + + if ( ! newdeskey ) { + goto finish; + } + + dlen = KEYLENGTH; // applet suports only 16 bytes + + handleBA = (env)->NewByteArray(dlen); + if(handleBA == NULL ) + { + goto finish; + } + handleBytes = (jbyte *)(env)->GetByteArrayElements(handleBA, NULL); + + if(handleBytes==NULL) + { + goto finish; + } + + //Wrap the new 16 bit key with the input symkey. + + wrappedKeyItem.data = (unsigned char *) handleBytes; + wrappedKeyItem.len = dlen; + wrapStatus = PK11_WrapSymKey(CKM_DES3_ECB,&noParams, symkey, newdeskey, &wrappedKeyItem); + + if( wrapStatus == SECSuccess) { + PR_fprintf(PR_STDERR, "ECBencrypt wrapStatus %d wrappedKeySize %d \n", wrapStatus, wrappedKeyItem.len); + } else { + PR_fprintf(PR_STDERR, "ECBecrypt wrap failed! Error %d \n", PR_GetError()); + } + +finish: + + if( handleBytes != NULL) { + (env)->ReleaseByteArrayElements( handleBA, handleBytes, 0); + } + + if ( newdeskey ) { + PK11_FreeSymKey( newdeskey ); + newdeskey = NULL; + } + + return handleBA; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_GenerateSymkey + * Method: GenerateSymkey + * Signature: ([B[B[B[B)[B + */ + JNIEXPORT jobject JNICALL + Java_com_netscape_symkey_SessionKey_GenerateSymkey + (JNIEnv*, jclass, jstring); +#ifdef __cplusplus +} +#endif +extern "C" JNIEXPORT jobject JNICALL +Java_com_netscape_symkey_SessionKey_GenerateSymkey +(JNIEnv* env, jclass this2, jstring tokenName) +{ + jobject keyObj = NULL; + PK11SymKey *okey = NULL; + PK11SymKey *okeyFirstEight = NULL; + PK11SymKey *concatKey = NULL; + PK11SymKey *finalKey = NULL; + + char *tokenNameChars = NULL; + PK11SlotInfo *slot = NULL; + CK_ULONG bitPosition = 0; + SECItem paramsItem = { siBuffer, NULL, 0 }; + CK_OBJECT_HANDLE keyhandle = 0; + + PR_fprintf(PR_STDOUT,"In SessionKey GenerateSymkey!\n"); + if (tokenName) + { + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + if ( tokenNameChars && !strcmp(tokenNameChars, "internal")) { + slot = PK11_GetInternalSlot(); + } else { + slot = ReturnSlot(tokenNameChars); + } + + PR_fprintf(PR_STDOUT,"SessinKey: GenerateSymkey slot %p name %s tokenName %s \n",slot, PK11_GetSlotName(slot), PK11_GetTokenName(slot)); + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + + //Generate original 16 byte DES2 key + okey = PK11_TokenKeyGen(slot, CKM_DES2_KEY_GEN,0, 0, 0, PR_FALSE, NULL); + + if (okey == NULL) { + goto finish; + } + + // Extract first eight bytes from generated key into another key. + bitPosition = 0; + paramsItem.data = (CK_BYTE *) &bitPosition; + paramsItem.len = sizeof bitPosition; + + okeyFirstEight = PK11_Derive(okey, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT , CKA_DERIVE, 8); + if (okeyFirstEight == NULL ) { + goto finish; + } + + //Concatenate 8 byte key to the end of the original key, giving new 24 byte key + keyhandle = PK11_GetSymKeyHandle(okeyFirstEight); + paramsItem.data=(unsigned char *) &keyhandle; + paramsItem.len=sizeof(keyhandle); + + concatKey = PK11_Derive ( okey , CKM_CONCATENATE_BASE_AND_KEY , ¶msItem ,CKM_DES3_ECB , CKA_DERIVE , 0); + if ( concatKey == NULL ) { + goto finish; + } + + //Make sure we move this to the orig token, in case it got moved by NSS + //during the derive phase. + + finalKey = PK11_MoveSymKey ( slot, CKA_ENCRYPT, 0, PR_FALSE, concatKey); + + /* wrap the symkey in java object. This sets symkey to NULL. */ + keyObj = JSS_PK11_wrapSymKey(env, &finalKey, NULL); + +finish: + if ( slot != NULL) { + PK11_FreeSlot(slot); + slot = NULL; + } + + if ( okey != NULL) { + PK11_FreeSymKey(okey); + okey = NULL; + } + + if ( okeyFirstEight != NULL) { + PK11_FreeSymKey(okeyFirstEight); + okeyFirstEight = NULL; + } + + if ( concatKey != NULL) { + PK11_FreeSymKey(concatKey); + concatKey = NULL; + } + + if ( finalKey != NULL) { + PK11_FreeSymKey(finalKey); + finalKey = NULL; + } + + return keyObj; +} + +// begin DRM proto + +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: bytes2PK11SymKey + * Signature: + */ + JNIEXPORT jobject JNICALL Java_com_netscape_symkey_SessionKey_bytes2PK11SymKey + (JNIEnv *, jclass, jbyteArray); +#ifdef __cplusplus +} +#endif + +#ifdef DRM_SUPPORT_DEBUG +extern "C" JNIEXPORT jobject JNICALL Java_com_netscape_symkey_SessionKey_bytes2PK11SymKey(JNIEnv * env, jclass this2, jbyteArray symKeyBytes) +{ + PK11SlotInfo *slot=NULL; + jobject keyObj = NULL; + PK11SymKey *symKey=NULL; + +// how about do unwrap (decrypt of the symkey in here?? + +// DRM proto just use internal slot + slot = PK11_GetInternalKeySlot(); + + BYTE masterKeyData[24]; + SECItem masterKeyItem = {siBuffer, masterKeyData, sizeof(masterKeyData)}; + + memcpy(masterKeyData, (char*)symKeyBytes, 16); + memcpy(masterKeyData+16, (char*)symKeyBytes, 8); + + // ToDo: possibly get rid of whole function, not used + // For now , no need to get rid of PK11_ImportSymKeyWithFlags call. + + symKey = PK11_ImportSymKeyWithFlags(slot, CKM_DES3_ECB, + PK11_OriginUnwrap, CKA_ENCRYPT, &masterKeyItem, + ALL_SYMKEY_OPS /*CKF_ENCRYPT*/, PR_FALSE, 0); + + /* wrap the symkey in java object. This sets symkey to NULL. */ + keyObj = JSS_PK11_wrapSymKey(env, &symKey, debug_fd); + +finish: + return keyObj; +} + + +// end DRM proto +#endif // DRM_SUPPORT_DEBUG |