diff options
Diffstat (limited to 'pki/base/symkey/src/com/netscape/symkey/SymKey.cpp')
| -rw-r--r-- | pki/base/symkey/src/com/netscape/symkey/SymKey.cpp | 1407 |
1 files changed, 1407 insertions, 0 deletions
diff --git a/pki/base/symkey/src/com/netscape/symkey/SymKey.cpp b/pki/base/symkey/src/com/netscape/symkey/SymKey.cpp new file mode 100644 index 000000000..c300d1ada --- /dev/null +++ b/pki/base/symkey/src/com/netscape/symkey/SymKey.cpp @@ -0,0 +1,1407 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// 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 <stdio.h> +#include <string.h> + +#if defined(WIN32) +#include "fcntl.h" +#include "io.h" +#endif + +#if defined(XP_UNIX) +#include <unistd.h> +#include <sys/time.h> +#include <termios.h> +#endif + +#if defined(XP_WIN) || defined (XP_PC) +#include <time.h> +#include <conio.h> +#endif + +#include "nspr.h" +#include "prtypes.h" +#include "prtime.h" +#include "prlong.h" +#include "pk11func.h" +#include "secasn1.h" +#include "cert.h" +#include "cryptohi.h" +#include "secoid.h" +#include "certdb.h" +#include "nss.h" + +#include "nspr.h" +#ifdef __cplusplus +#include <jni.h> +#include <assert.h> +#include <string.h> + +} +#endif +#include <memory.h> +#include <assert.h> +#include <stdio.h> +#include <cstdarg> +#include <string> + +#include "Buffer.h" +#include "SymKey.h" + +typedef unsigned char BYTE; + +typedef struct +{ + enum + { + PW_NONE = 0, + PW_FROMFILE = 1, + PW_PLAINTEXT = 2, + PW_EXTERNAL = 3 + } source; + char *data; +} secuPWData; + +char masterKeyPrefix[PREFIXLENGHT]; +char masterKeyNickName[KEYNAMELENGTH]; +char masterNewKeyNickName[KEYNAMELENGTH]; +char sharedSecretSymKeyName[KEYNAMELENGTH] = { 0 }; + +//================================================================================= +#ifdef __cplusplus +extern "C" +{ +#endif +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: ListSymmetricKeys + * Signature: (Ljava/lang/String;)Ljava/lang/String; + */ + JNIEXPORT jstring JNICALL Java_com_netscape_symkey_SessionKey_ListSymmetricKeys + (JNIEnv *, jclass, jstring); + +#ifdef __cplusplus +} +#endif + +PK11SlotInfo *ReturnSlot(char *tokenNameChars) +{ + if( tokenNameChars == NULL) + { + return NULL; + } + PK11SlotInfo *slot=NULL; + + if(!strcmp( tokenNameChars, "internal" ) || !strcmp( tokenNameChars, "Internal Key Storage Token")) + { + slot = PK11_GetInternalKeySlot(); + } + else + { + slot = PK11_FindSlotByName( tokenNameChars ); + } + return slot; +} + + +/* Find the Symmetric key with the given nickname + Returns null if the key could not be found + Steve wrote this code to replace the old impl */ + +PK11SymKey * ReturnSymKey( PK11SlotInfo *slot, char *keyname) +{ + char *name = NULL; + PK11SymKey *foundSymKey= NULL; + PK11SymKey *firstSymKey= NULL; + PK11SymKey *sk = NULL; + PK11SymKey *nextSymKey = NULL; + secuPWData pwdata; + + pwdata.source = secuPWData::PW_NONE; + pwdata.data = (char *) NULL; + PR_fprintf(PR_STDOUT,"In ReturnSymKey name %s \n",keyname); + if (keyname == NULL) + { + goto cleanup; + } + if (slot== NULL) + { + goto cleanup; + } + /* Initialize the symmetric key list. */ + firstSymKey = PK11_ListFixedKeysInSlot( slot , NULL, ( void *) &pwdata ); + /* scan through the symmetric key list for a key matching our nickname */ + sk = firstSymKey; + while( sk != NULL ) + { + /* get the nickname of this symkey */ + name = PK11_GetSymKeyNickname( sk ); + + /* if the name matches, make a 'copy' of it */ + if ( name != NULL && !strcmp( keyname, name )) + { + if (foundSymKey == NULL) + { + foundSymKey = PK11_ReferenceSymKey(sk); + } + PORT_Free(name); + } + + sk = PK11_GetNextSymKey( sk ); + } + + /* We're done with the list now, let's free all the keys in it + It's okay to free our key, because we made a copy of it */ + + sk = firstSymKey; + while( sk != NULL ) + { + nextSymKey = PK11_GetNextSymKey(sk); + PK11_FreeSymKey(sk); + sk = nextSymKey; + } + + cleanup: + return foundSymKey; +} + + +extern "C" JNIEXPORT jstring +JNICALL Java_com_netscape_symkey_SessionKey_DeleteKey(JNIEnv * env, jclass this2, jstring tokenName, jstring keyName) + +{ + char *tokenNameChars; + char *keyNameChars; + int count = 0; + int keys_deleted = 0; + PK11SymKey *symKey = NULL; + PK11SymKey *nextSymKey = NULL; + PK11SlotInfo *slot = NULL; + SECStatus rv; + secuPWData pwdata; + pwdata.source = secuPWData::PW_NONE; + pwdata.data = (char *) NULL; + jstring retval = NULL; + + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + keyNameChars = (char *)(env)->GetStringUTFChars(keyName, NULL); + char *result= (char *)malloc(1); + + result[0] = '\0'; + if( tokenNameChars == NULL || keyNameChars==NULL) + { + goto finish; + } + if(strcmp( tokenNameChars, "internal" ) == 0 ) + { + slot = PK11_GetInternalKeySlot(); + } + else if( tokenNameChars != NULL ) + { + slot = PK11_FindSlotByName( tokenNameChars ); + } + /* Initialize the symmetric key list. */ + symKey = PK11_ListFixedKeysInSlot( slot , NULL, ( void *) &pwdata ); + + /* Iterate through the symmetric key list. */ + while( symKey != NULL ) + { + char *name = NULL; + rv = SECFailure; + name = PK11_GetSymKeyNickname( symKey ); + + if( strcmp( keyNameChars, name ) == 0 ) + { + rv = PK11_DeleteTokenSymKey( symKey ); + } + PORT_Free(name); + + if( rv != SECFailure ) + { + keys_deleted++; + } + + nextSymKey = PK11_GetNextSymKey( symKey ); + PK11_FreeSymKey( symKey ); + symKey = nextSymKey; + + count++; + } + + if( keys_deleted == 0 ) + { + + rv = SECFailure; + } + else + { + + rv = SECSuccess; + } + + finish: + if (slot) + { + PK11_FreeSlot(slot); + } + if(tokenNameChars) + { + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + if(keyNameChars) + { + (env)->ReleaseStringUTFChars(keyName, (const char *)keyNameChars); + } + retval = (env)->NewStringUTF( result); + free(result); + return retval; +} + + +#define PK11_SETATTRS(x,id,v,l) (x)->type = (id); \ +(x)->pValue=(v); (x)->ulValueLen = (l); + +extern "C" JNIEXPORT jstring +JNICALL Java_com_netscape_symkey_SessionKey_ListSymmetricKeys(JNIEnv * env, jclass this2, jstring tokenName) +{ + char *tokenNameChars; + jstring retval = NULL; + PK11SymKey *symKey = NULL; + PK11SymKey *nextSymKey = NULL; + secuPWData pwdata; + pwdata.source = secuPWData::PW_NONE; + pwdata.data = (char *) NULL; + PK11SlotInfo *slot = NULL; + + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + char *result= (char *)malloc(1); + result[0] = '\0'; + if( tokenNameChars == NULL ) + { + goto finish; + } + if(strcmp( tokenNameChars, "internal" ) == 0 ) + { + slot = PK11_GetInternalKeySlot(); + } + else if( tokenNameChars != NULL ) + { + slot = PK11_FindSlotByName( tokenNameChars ); + } + + /* Initialize the symmetric key list. */ + symKey = PK11_ListFixedKeysInSlot( slot , NULL, (void *)&pwdata ); + + /* Iterate through the symmetric key list. */ + while (symKey != NULL) + { + int count = 0; + char *name = NULL; + char *temp = NULL; + name = PK11_GetSymKeyNickname( symKey ); + temp = result; + result = (char*)malloc( strlen(name) + strlen(temp) + 2 ); + result[0]='\0'; + strcat(result, temp); + strcat(result, ","); + strcat(result, name); + free(temp); + + PORT_Free(name); + + nextSymKey = PK11_GetNextSymKey( symKey ); + PK11_FreeSymKey( symKey ); + symKey = nextSymKey; + + count++; + } + + finish: + if (slot) + { + PK11_FreeSlot(slot); + } + if(tokenNameChars) + { + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + retval = (env)->NewStringUTF(result); + free(result); + return retval; +} + + +/* DES KEY Parity conversion table. Takes each byte/2 as an index, returns + * that byte with the proper parity bit set */ +static const unsigned char parityTable[256] = +{ +/* Even...0x00,0x02,0x04,0x06,0x08,0x0a,0x0c,0x0e */ + /* E */ 0x01,0x02,0x04,0x07,0x08,0x0b,0x0d,0x0e, +/* Odd....0x10,0x12,0x14,0x16,0x18,0x1a,0x1c,0x1e */ + /* O */ 0x10,0x13,0x15,0x16,0x19,0x1a,0x1c,0x1f, +/* Odd....0x20,0x22,0x24,0x26,0x28,0x2a,0x2c,0x2e */ + /* O */ 0x20,0x23,0x25,0x26,0x29,0x2a,0x2c,0x2f, +/* Even...0x30,0x32,0x34,0x36,0x38,0x3a,0x3c,0x3e */ + /* E */ 0x31,0x32,0x34,0x37,0x38,0x3b,0x3d,0x3e, +/* Odd....0x40,0x42,0x44,0x46,0x48,0x4a,0x4c,0x4e */ + /* O */ 0x40,0x43,0x45,0x46,0x49,0x4a,0x4c,0x4f, +/* Even...0x50,0x52,0x54,0x56,0x58,0x5a,0x5c,0x5e */ + /* E */ 0x51,0x52,0x54,0x57,0x58,0x5b,0x5d,0x5e, +/* Even...0x60,0x62,0x64,0x66,0x68,0x6a,0x6c,0x6e */ + /* E */ 0x61,0x62,0x64,0x67,0x68,0x6b,0x6d,0x6e, +/* Odd....0x70,0x72,0x74,0x76,0x78,0x7a,0x7c,0x7e */ + /* O */ 0x70,0x73,0x75,0x76,0x79,0x7a,0x7c,0x7f, +/* Odd....0x80,0x82,0x84,0x86,0x88,0x8a,0x8c,0x8e */ + /* O */ 0x80,0x83,0x85,0x86,0x89,0x8a,0x8c,0x8f, +/* Even...0x90,0x92,0x94,0x96,0x98,0x9a,0x9c,0x9e */ + /* E */ 0x91,0x92,0x94,0x97,0x98,0x9b,0x9d,0x9e, +/* Even...0xa0,0xa2,0xa4,0xa6,0xa8,0xaa,0xac,0xae */ + /* E */ 0xa1,0xa2,0xa4,0xa7,0xa8,0xab,0xad,0xae, +/* Odd....0xb0,0xb2,0xb4,0xb6,0xb8,0xba,0xbc,0xbe */ + /* O */ 0xb0,0xb3,0xb5,0xb6,0xb9,0xba,0xbc,0xbf, +/* Even...0xc0,0xc2,0xc4,0xc6,0xc8,0xca,0xcc,0xce */ + /* E */ 0xc1,0xc2,0xc4,0xc7,0xc8,0xcb,0xcd,0xce, +/* Odd....0xd0,0xd2,0xd4,0xd6,0xd8,0xda,0xdc,0xde */ + /* O */ 0xd0,0xd3,0xd5,0xd6,0xd9,0xda,0xdc,0xdf, +/* Odd....0xe0,0xe2,0xe4,0xe6,0xe8,0xea,0xec,0xee */ + /* O */ 0xe0,0xe3,0xe5,0xe6,0xe9,0xea,0xec,0xef, +/* Even...0xf0,0xf2,0xf4,0xf6,0xf8,0xfa,0xfc,0xfe */ + /* E */ 0xf1,0xf2,0xf4,0xf7,0xf8,0xfb,0xfd,0xfe, +}; + +void +pk11_FormatDESKey(unsigned char *key, int length) +{ + int i; + + /* format the des key */ + for (i=0; i < length; i++) + { + key[i] = parityTable[key[i]>>1]; + } +} + + +static secuPWData pwdata = { secuPWData::PW_NONE, 0 }; + +/** + * Internal token is required when we are doing key diversification + * where raw key material needs to be accessed + */ +PK11SymKey *ComputeCardKeyOnSoftToken(PK11SymKey *masterKey, unsigned char *data) +{ + PK11SlotInfo *slot = PK11_GetInternalKeySlot(); + PK11SymKey *key = ComputeCardKey(masterKey, data, slot); + if( slot != NULL) { + PK11_FreeSlot(slot); + slot = NULL; + } + + return key; +} + +PK11SymKey *ComputeCardKey(PK11SymKey *masterKey, unsigned char *data, PK11SlotInfo *slot) +{ + PK11SymKey *key = NULL; + PK11Context *context = NULL; + int keysize = DES3_LENGTH; + unsigned char *keyData = NULL; + SECStatus s = SECSuccess; + int i = 0; + int len = 0; + static SECItem noParams = { siBuffer, NULL, 0 }; + unsigned char *in = data; + PK11SymKey *tmpkey = NULL; + unsigned char wrappedkey[DES3_LENGTH]; + SECItem wrappeditem = { siBuffer, NULL, 0 }; + + keyData = (unsigned char*)malloc(keysize); + + for (i = 0;i < keysize; i++) + { + keyData[i] = 0x0; + } + + if (masterKey == NULL) { + PR_fprintf(PR_STDERR,"ComputeCardKey: master key is null.\n"); + goto done; + } + + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, + masterKey, + &noParams); + + if (context == NULL) { + PR_fprintf(PR_STDERR,"ComputeCardKey: failed to create context.\n"); + goto done; + } + + /* Part 1 */ + s = PK11_CipherOp(context, &keyData[0], &len, 8, in, 8); + if (s != SECSuccess) { + PR_fprintf(PR_STDERR,"ComputeCardKey: failed to encrypt #1\n"); + goto done; + } + pk11_FormatDESKey(&keyData[0], EIGHT_BYTES); /* set parity */ + + /* Part 2 */ + s = PK11_CipherOp(context, &keyData[EIGHT_BYTES], &len, EIGHT_BYTES, in+EIGHT_BYTES, EIGHT_BYTES); + if (s != SECSuccess) { + PR_fprintf(PR_STDERR,"ComputeCardKey: failed to encryp #2.\n"); + goto done; + } + pk11_FormatDESKey(&keyData[EIGHT_BYTES], EIGHT_BYTES); + + /* Part 3 */ + for(i = 0;i < EIGHT_BYTES;i++) + { + keyData[i+KEYLENGTH] = keyData[i]; + } + +#define CKF_KEY_OPERATION_FLAGS 0x000e7b00UL + + /* generate a tmp key to import the sym key */ + tmpkey = PK11_TokenKeyGenWithFlags(slot, + CKM_DES3_KEY_GEN, 0, 0, 0, + (CKF_WRAP | CKF_UNWRAP | CKF_ENCRYPT | CKF_DECRYPT) & CKF_KEY_OPERATION_FLAGS, + PR_FALSE, &pwdata); + + if (tmpkey == NULL) { + PR_fprintf(PR_STDERR,"ComputeCardKey: failed to keygen. \n"); + goto done; + } + + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, + tmpkey, + &noParams); + + if (context == NULL) { + PR_fprintf(PR_STDERR,"ComputeCardKey: failed to set context. \n"); + goto done; + } + + /* encrypt the key with the master key */ + s = PK11_CipherOp(context, wrappedkey, &len, 24, keyData, 24); + if (s != SECSuccess) + { + PR_fprintf(PR_STDERR,"ComputeCardKey: failed to encrypt #3.\n"); + goto done; + } + + wrappeditem.data = wrappedkey; + wrappeditem.len = len; + + key = PK11_UnwrapSymKeyWithFlags(tmpkey, CKM_DES3_ECB, &noParams, + &wrappeditem, CKM_DES3_KEY_GEN, CKA_DECRYPT, 24, + (CKA_ENCRYPT | CKA_DECRYPT) & CKF_KEY_OPERATION_FLAGS ); + +done: + if (keyData != NULL) + { + free(keyData); + } + if (context != NULL) + { + PK11_DestroyContext(context, PR_TRUE); + context = NULL; + } + if (tmpkey != NULL) + { + PK11_FreeSymKey(tmpkey); + tmpkey = NULL; + } + + return key; +} + +PK11SymKey * ComputeCardKeyOnToken(PK11SymKey *masterKey, BYTE* data) +{ + PK11SlotInfo *slot = PK11_GetSlotFromKey(masterKey); + PK11SymKey *key = ComputeCardKey(masterKey, data, slot); + + if( slot) { + PK11_FreeSlot(slot); + slot = NULL; + } + + return key; +} + +// Either encrypt data with a provided SymKey OR a key buffer array (for the Default keyset case). +PRStatus EncryptData(const Buffer &kek_key,PK11SymKey *cardKey, Buffer &input, Buffer &output) +{ + PRStatus rv = PR_FAILURE; + + PK11SymKey *master = NULL; + PK11SymKey *transportKey = NULL; + PK11SlotInfo *slot = NULL; + PK11Context *context = NULL; + int i = 0; + SECStatus s = SECFailure; + int len = 0; + static SECItem noParams = { siBuffer, NULL, 0 }; +#ifdef DES2_WORKAROUND + unsigned char masterKeyData[DES3_LENGTH]; +#else + unsigned char masterKeyData[KEYLENGTH]; +#endif + unsigned char result[EIGHT_BYTES]; + + slot = PK11_GetInternalKeySlot(); + + if (slot == NULL) { + goto done; + } + + if ( cardKey == NULL ) { /* Developer key set mode.*/ + transportKey = ReturnSymKey( slot, GetSharedSecretKeyName(NULL)); + + /* convert 16-byte to 24-byte triple-DES key */ + memcpy(masterKeyData, kek_key, 16); + memcpy(masterKeyData+16, kek_key, 8); + + master = CreateUnWrappedSymKeyOnToken( slot, transportKey, masterKeyData, sizeof(masterKeyData), PR_FALSE); + + } else { + master = cardKey; + } + + if( master == NULL) { + goto done; + } + + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, master, + &noParams); + + if (context == NULL) { + goto done; + } + + for(i = 0;i < (int)input.size();i += EIGHT_BYTES) + { + s = PK11_CipherOp(context, result, &len, EIGHT_BYTES, + (unsigned char *)(((BYTE*)input)+i), EIGHT_BYTES); + + if (s != SECSuccess) { + goto done; + } + output.replace(i, result, EIGHT_BYTES); + } + + rv = PR_SUCCESS; + +done: + + memset(masterKeyData, 0, sizeof masterKeyData); + if (context) + { + PK11_DestroyContext(context, PR_TRUE); + context = NULL; + } + if (slot) + { + PK11_FreeSlot(slot); + slot = NULL; + } + if (master && cardKey == NULL) + { + PK11_FreeSymKey(master); + master = NULL; + } + + return rv; +} + +PRStatus ComputeKeyCheckWithSymKey(PK11SymKey * newKey, Buffer& output) +{ + PK11SymKey *key = NULL; + PRStatus status = PR_FAILURE ; + PK11SlotInfo *slot = NULL; + PK11Context *context = NULL; + SECStatus s = SECFailure; + int len = 0; + static SECItem noParams = { siBuffer, NULL, 0 }; + unsigned char value[EIGHT_BYTES]; + + if ( newKey == NULL ) { + return status; + } + + memset(value, 0, sizeof value); + + slot = PK11_GetInternalKeySlot(); + if (slot != NULL) + { + key = newKey ; + if( key != NULL ) + { + context = PK11_CreateContextBySymKey(CKM_DES3_ECB, CKA_ENCRYPT, key, + &noParams); + if (context != NULL) + { + s = PK11_CipherOp(context, &value[0], &len, 8, &value[0], 8); + + if (s == SECSuccess) + { + output.resize(3); + output.replace(0, value, 3); + status = PR_SUCCESS; + } + PK11_DestroyContext(context, PR_TRUE); + context = NULL; + } + //PK11_FreeSymKey(key); + //key = NULL; + + } + if( slot != NULL) { + PK11_FreeSlot(slot); + slot = NULL; + } + } + + return status; +} + +// Create key set data with the help of either a provided old_keyk_ke2_sym key or key buffer (for the Default keyset case). +PRStatus CreateKeySetDataWithSymKeys( Buffer &newMasterVer,const Buffer &old_kek_key2, PK11SymKey *old_kek_key2_sym, PK11SymKey *new_auth_key, PK11SymKey *new_mac_key, PK11SymKey *new_kek_key, Buffer &output) +{ + PRStatus rv = PR_FAILURE; + static SECItem noParams = { siBuffer, NULL, 0 }; + PK11SymKey *transportKey = NULL; + PK11SymKey *wrappingKey = NULL; + BYTE masterKeyData[DES3_LENGTH]; + + /* Wrapping vars */ + SECItem wrappedKeyItem = { siBuffer, NULL , 0 }; + SECStatus wrapStatus = SECFailure; + PK11SlotInfo *slot = NULL; + /* Extracting vars */ + + CK_ULONG bitPosition = 0; + SECItem paramsItem = { siBuffer, NULL, 0 }; + paramsItem.data = (CK_BYTE *) &bitPosition; + paramsItem.len = sizeof bitPosition; + + PK11SymKey *macKey16 = NULL; + PK11SymKey *authKey16 = NULL; + PK11SymKey *kekKey16 = NULL; + + Buffer encrypted_auth_key(KEYLENGTH); + Buffer encrypted_mac_key(KEYLENGTH); + Buffer encrypted_kek_key(KEYLENGTH); + + Buffer kc_auth_key(3); + Buffer kc_mac_key(3); + Buffer kc_kek_key(3); + Buffer result; + + PR_fprintf(PR_STDOUT,"In CreateKeySetDataWithSymKeys!\n"); + + if ( new_auth_key == NULL || new_mac_key == NULL || new_kek_key == NULL) { + return rv; + } + + slot = PK11_GetSlotFromKey(new_auth_key); + if ( old_kek_key2_sym == NULL ) { /* perm key mode */ + /* Find transport key, shared secret */ + transportKey = ReturnSymKey( slot, GetSharedSecretKeyName(NULL)); + if ( transportKey == NULL ) { + goto done; + } + + /* convert 16-byte to 24-byte triple-DES key */ + memcpy(masterKeyData, old_kek_key2, KEYLENGTH); + memcpy(masterKeyData+16, old_kek_key2, EIGHT_BYTES); + + wrappingKey = CreateUnWrappedSymKeyOnToken( slot, transportKey, masterKeyData, sizeof(masterKeyData), PR_FALSE); + + } else { /* card key mode */ + wrappingKey = old_kek_key2_sym; + } + + //Now derive 16 byte versions of the provided symkeys + authKey16 = PK11_Derive(new_auth_key, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT, + CKA_DERIVE, 16); + + if ( authKey16 == NULL ) { + PR_fprintf(PR_STDERR,"Error deriving authKey16. Error %d \n", PR_GetError()); + goto done; + } + + wrappedKeyItem.data = (unsigned char *) encrypted_auth_key; + wrappedKeyItem.len = encrypted_auth_key.size(); + wrapStatus = PK11_WrapSymKey(CKM_DES3_ECB,&noParams, wrappingKey, authKey16, &wrappedKeyItem); + if ( wrapStatus == SECFailure ) { + PR_fprintf(PR_STDERR,"Error wrapping authKey16. Error %d \n", PR_GetError()); + goto done; + } + + macKey16 = PK11_Derive(new_mac_key, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT, CKA_DERIVE, 16); + + if ( macKey16 == NULL ) { + PR_fprintf(PR_STDERR,"Error deriving macKey16. Error %d \n", PR_GetError()); + goto done; + } + + wrappedKeyItem.data = (unsigned char *) encrypted_mac_key; + wrappedKeyItem.len = encrypted_mac_key.size(); + wrapStatus = PK11_WrapSymKey(CKM_DES3_ECB,&noParams, wrappingKey, macKey16, &wrappedKeyItem); + if ( wrapStatus == SECFailure) { + PR_fprintf(PR_STDERR,"Error wrapping macKey16. Error %d \n", PR_GetError()); + goto done; + } + + kekKey16 = PK11_Derive(new_kek_key, CKM_EXTRACT_KEY_FROM_KEY, ¶msItem, CKA_ENCRYPT, + CKA_DERIVE, 16); + + if ( kekKey16 == NULL ) { + goto done; + PR_fprintf(PR_STDERR,"Error deriving kekKey16. Error %d \n", PR_GetError()); + } + + wrappedKeyItem.data = (unsigned char *) encrypted_kek_key; + wrappedKeyItem.len = encrypted_mac_key.size(); + wrapStatus = PK11_WrapSymKey(CKM_DES3_ECB,&noParams, wrappingKey, kekKey16, &wrappedKeyItem); + if ( wrapStatus == SECFailure) { + PR_fprintf(PR_STDERR,"Error wrapping kekKey16. Error %d \n", PR_GetError()); + goto done; + } + + ComputeKeyCheckWithSymKey(new_auth_key, kc_auth_key); + + ComputeKeyCheckWithSymKey(new_mac_key, kc_mac_key); + + ComputeKeyCheckWithSymKey(new_kek_key, kc_kek_key); + + result = newMasterVer + + Buffer(1, (BYTE)0x81) + + Buffer(1, (BYTE)0x10) + + encrypted_auth_key + + Buffer(1, (BYTE)0x03) + + kc_auth_key + + Buffer(1, (BYTE)0x81) + + Buffer(1, (BYTE)0x10) + + encrypted_mac_key + + Buffer(1, (BYTE)0x03) + + kc_mac_key + + Buffer(1, (BYTE)0x81) + + Buffer(1, (BYTE)0x10) + + encrypted_kek_key + + Buffer(1, (BYTE)0x03) + + kc_kek_key; + output = result; + + rv = PR_SUCCESS; + +done: + + if ( kekKey16 != NULL) { + PK11_FreeSymKey( kekKey16); + kekKey16 = NULL; + } + + if ( authKey16 != NULL) { + PK11_FreeSymKey( authKey16); + authKey16 = NULL; + } + + if ( macKey16 != NULL) { + PK11_FreeSymKey( macKey16); + macKey16 = NULL; + } + + if ( slot != NULL ) { + PK11_FreeSlot( slot); + slot = NULL; + } + + if ( transportKey != NULL ) { + PK11_FreeSymKey( transportKey); + transportKey = NULL; + } + + return rv; +} + +void GetDiversificationData(jbyte *cuidValue,BYTE *KDC,keyType keytype) +{ + if( ( cuidValue == NULL) || ( KDC == NULL)) { + return; + } + + BYTE *lastTwoBytesOfAID = (BYTE *)cuidValue; +// BYTE *ICFabricationDate = (BYTE *)cuidValue + 2; + BYTE *ICSerialNumber = (BYTE *)cuidValue + 4; +// BYTE *ICBatchIdentifier = (BYTE *)cuidValue + 8; + +// Last 2 bytes of AID + KDC[0]= (BYTE)lastTwoBytesOfAID[0]; + KDC[1]= (BYTE)lastTwoBytesOfAID[1]; + KDC[2]= (BYTE)ICSerialNumber[0]; + KDC[3]= (BYTE)ICSerialNumber[1]; + KDC[4]= (BYTE)ICSerialNumber[2]; + KDC[5]= (BYTE)ICSerialNumber[3]; + KDC[6]= 0xF0; + KDC[7]= 0x01; + KDC[8]= (BYTE)lastTwoBytesOfAID[0]; + KDC[9]= (BYTE)lastTwoBytesOfAID[1]; + KDC[10]= (BYTE)ICSerialNumber[0]; + KDC[11]= (BYTE)ICSerialNumber[1]; + KDC[12]= (BYTE)ICSerialNumber[2]; + KDC[13]= (BYTE)ICSerialNumber[3]; + KDC[14]= 0x0F; + KDC[15]= 0x01; + if(keytype == enc) + return; + + KDC[6]= 0xF0; + KDC[7]= 0x02; + KDC[14]= 0x0F; + KDC[15]= 0x02; + if(keytype == mac) + return; + + KDC[6]= 0xF0; + KDC[7]= 0x03; + KDC[14]= 0x0F; + KDC[15]= 0x03; + if(keytype == kek) + return; + +} + +static int getMasterKeyVersion(char *newMasterKeyNameChars) +{ + if( newMasterKeyNameChars == NULL || + strlen( newMasterKeyNameChars) < 3) { + return 0; + } + + char masterKeyVersionNumber[3]; + masterKeyVersionNumber[0]=newMasterKeyNameChars[1]; + masterKeyVersionNumber[1]=newMasterKeyNameChars[2]; + masterKeyVersionNumber[2]=0; + int newMasterKeyVesion = atoi(masterKeyVersionNumber); + return newMasterKeyVesion; +} + +char *GetSharedSecretKeyName(char *newKeyName) { + if ( newKeyName && strlen( newKeyName ) > 0 ) { + if( strlen( sharedSecretSymKeyName) == 0) { + strncpy( sharedSecretSymKeyName, newKeyName, KEYNAMELENGTH); + } + } + + return (char *) sharedSecretSymKeyName ; +} + +void getFullName(char * fullMasterKeyName, char * masterKeyNameChars ) +{ + if( fullMasterKeyName == NULL || masterKeyNameChars == NULL + || ( strlen(fullMasterKeyName) + strlen(masterKeyNameChars)) > KEYNAMELENGTH) { + return; + } + fullMasterKeyName[0]='\0'; + if(strlen(masterKeyPrefix)>0) + strncpy(fullMasterKeyName,masterKeyPrefix, KEYNAMELENGTH); + strcat(fullMasterKeyName,masterKeyNameChars); +} + + +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: DiversifyKey + * Signature: (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;[B)[B + */ +extern "C" JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_DiversifyKey +(JNIEnv *, jclass, jstring, jstring, jstring, jstring, jstring, jbyteArray, jbyteArray, jstring, jstring); + +extern "C" JNIEXPORT jbyteArray JNICALL Java_com_netscape_symkey_SessionKey_DiversifyKey( JNIEnv * env, jclass this2, jstring tokenName,jstring newTokenName, jstring oldMasterKeyName, jstring newMasterKeyName, jstring keyInfo, jbyteArray CUIDValue, jbyteArray kekKeyArray, jstring useSoftToken_s, jstring keySet) +{ + PK11SymKey *encKey = NULL; + PK11SymKey *macKey = NULL; + PK11SymKey *kekKey = NULL; + Buffer encKeyBuff; + Buffer macKeyBuff; + Buffer kekKeyBuff; + char * oldMasterKeyNameChars=NULL; + Buffer old_kek_key_buff; + Buffer newMasterKeyBuffer; + char fullMasterKeyName[KEYNAMELENGTH]; + char fullNewMasterKeyName[KEYNAMELENGTH]; + PRBool specified_key_is_present = PR_TRUE; + PK11SymKey *old_kek_sym_key = NULL; + + char *keySetStringChars = NULL; + if ( keySet != NULL ) { + keySetStringChars = (char *) (env)->GetStringUTFChars( keySet, NULL); + } + + char *keySetString = keySetStringChars; + + if ( keySetString == NULL ) { + keySetString = (char *) DEFKEYSET_NAME; + } + + jbyteArray handleBA=NULL; + jbyte *handleBytes=NULL; + int newMasterKeyVesion = 1; + + /* find slot */ + char *tokenNameChars = NULL; + char * newMasterKeyNameChars = NULL; + PK11SlotInfo *slot = NULL; + PK11SlotInfo *internal = PK11_GetInternalKeySlot(); + + Buffer output; + PK11SlotInfo *newSlot =NULL; + char * newTokenNameChars = NULL; + char *keyInfoChars = NULL; + + jbyte * cuidValue = NULL; + jbyte * old_kek_key = NULL; + + PK11SymKey * masterKey = NULL; + PK11SymKey * oldMasterKey = NULL; + + BYTE KDCenc[KEYLENGTH]; + BYTE KDCmac[KEYLENGTH]; + BYTE KDCkek[KEYLENGTH]; + + if( CUIDValue != NULL) { + cuidValue = (jbyte*)(env)->GetByteArrayElements( CUIDValue, NULL); + } + + if( cuidValue == NULL) { + goto done; + } + + if( kekKeyArray != NULL) { + old_kek_key = (jbyte*)(env)->GetByteArrayElements(kekKeyArray, NULL); + } + + if( old_kek_key == NULL) { + goto done; + } + + PR_fprintf(PR_STDOUT,"In SessionKey.DiversifyKey! \n"); + + GetDiversificationData(cuidValue,KDCenc,enc); + GetDiversificationData(cuidValue,KDCmac,mac); + GetDiversificationData(cuidValue,KDCkek,kek); + + if(tokenName) + { + tokenNameChars = (char *)(env)->GetStringUTFChars(tokenName, NULL); + slot = ReturnSlot(tokenNameChars); + PR_fprintf(PR_STDOUT,"DiversifyKey: tokenNameChars %s slot %p \n", tokenNameChars,slot); + if( tokenNameChars != NULL) { + (env)->ReleaseStringUTFChars(tokenName, (const char *)tokenNameChars); + } + } + + if(newMasterKeyName) + { + /* newMasterKeyNameChars #02#01 */ + newMasterKeyNameChars= (char *)(env)->GetStringUTFChars(newMasterKeyName, NULL); + } + /* fullNewMasterKeyName - no prefix #02#01 */ + getFullName(fullNewMasterKeyName,newMasterKeyNameChars); + PR_fprintf(PR_STDOUT,"DiversifyKey: fullNewMasterKeyName %s . \n", fullNewMasterKeyName); + + if(newTokenName) + { + newTokenNameChars = (char *)(env)->GetStringUTFChars(newTokenName, NULL); + newSlot = ReturnSlot(newTokenNameChars); + PR_fprintf(PR_STDOUT,"DiversifyKey: newTokenNameChars %s newSlot %p . \n", newTokenNameChars,newSlot); + if( newTokenNameChars != NULL) { + (env)->ReleaseStringUTFChars(newTokenName, (const char *)newTokenNameChars); + } + } + + masterKey = ReturnSymKey(newSlot,fullNewMasterKeyName); + + if(newMasterKeyNameChars) { + (env)->ReleaseStringUTFChars(newMasterKeyName, (const char *)newMasterKeyNameChars); + } + + /* packing return */ + if( keyInfo != NULL) { + keyInfoChars = (char *)(env)->GetStringUTFChars(keyInfo, NULL); + } + + newMasterKeyVesion = getMasterKeyVersion(keyInfoChars); + + if(keyInfoChars) + { + (env)->ReleaseStringUTFChars(keyInfo, (const char *)keyInfoChars); + } + + /* NEW MASTER KEY VERSION */ + newMasterKeyBuffer = Buffer((unsigned int) 1, (BYTE)newMasterKeyVesion); + if(oldMasterKeyName) + { + oldMasterKeyNameChars = (char *)(env)->GetStringUTFChars(oldMasterKeyName, NULL); + PR_fprintf(PR_STDOUT,"DiversifyKey oldMasterKeyNameChars %s \n", oldMasterKeyNameChars); + } + getFullName(fullMasterKeyName,oldMasterKeyNameChars); + PR_fprintf(PR_STDOUT,"DiversifyKey fullMasterKeyName %s \n", fullMasterKeyName); + if(newSlot == NULL) { + newSlot = slot; + } + if(strcmp( oldMasterKeyNameChars, "#01#01") == 0 || strcmp( oldMasterKeyNameChars, "#FF#01") == 0) + { + old_kek_key_buff = Buffer((BYTE*)old_kek_key, KEYLENGTH); + }else if(strcmp( oldMasterKeyNameChars, "#00#00") == 0) + { + /* print Debug message - do not create real keysetdata */ + old_kek_key_buff = Buffer((BYTE*)"#00#00", 6); + output = Buffer((BYTE*)old_kek_key, KEYLENGTH); + } + else + { + oldMasterKey = ReturnSymKey(slot,fullMasterKeyName); + old_kek_sym_key = ComputeCardKeyOnToken(oldMasterKey,KDCkek); + if (oldMasterKey) { + PK11_FreeSymKey( oldMasterKey ); + oldMasterKey = NULL; + } + } + if(oldMasterKeyNameChars) { + (env)->ReleaseStringUTFChars(oldMasterKeyName, (const char *)oldMasterKeyNameChars); + } + + /* special case #01#01 */ + if (fullNewMasterKeyName != NULL && strcmp(fullNewMasterKeyName, "#01#01") == 0) + { + Buffer empty = Buffer(); + + encKey = ReturnDeveloperSymKey(internal,(char *) "auth", keySetString, empty); + + if ( encKey == NULL ) { + goto done; + } + PR_fprintf(PR_STDOUT, "Special case dev key set for DiversifyKey!\n"); + + macKey = ReturnDeveloperSymKey(internal, (char *) "mac", keySetString, empty); + if ( macKey == NULL ) { + goto done; + } + + kekKey = ReturnDeveloperSymKey(internal, (char *) "kek", keySetString, empty); + + if ( kekKey == NULL ) { + goto done; + } + + } else { + PR_fprintf(PR_STDOUT,"DiversifyKey: Compute card key on token case ! \n"); + /* compute card key */ + encKey = ComputeCardKeyOnSoftToken(masterKey, KDCenc); + macKey = ComputeCardKeyOnSoftToken(masterKey, KDCmac); + kekKey = ComputeCardKeyOnSoftToken(masterKey, KDCkek); + + /* Fixes Bugscape Bug #55855: TKS crashes if specified key + * is not present -- for each portion of the key, check if + * the PK11SymKey is NULL before sending it to PK11_GetKeyData()! + */ + if( encKey == NULL) { + PR_fprintf(PR_STDERR,"Can't create encKey in DiversifyKey! \n"); + specified_key_is_present = PR_FALSE; + goto done; + } + if( macKey == NULL) { + PR_fprintf(PR_STDERR,"Can't create macKey in DiversifyKey! \n"); + specified_key_is_present = PR_FALSE; + goto done; + } + if( kekKey == NULL) { + PR_fprintf(PR_STDERR,"Can't create kekKey in DiversifyKey! \n"); + specified_key_is_present = PR_FALSE; + goto done; + } + } + + if (old_kek_sym_key != NULL) { + CreateKeySetDataWithSymKeys(newMasterKeyBuffer, Buffer(), + old_kek_sym_key, + encKey, + macKey, + kekKey, + output); } + else { + old_kek_sym_key = ReturnDeveloperSymKey(slot, (char *) "kek", keySetString, old_kek_key_buff); + CreateKeySetDataWithSymKeys(newMasterKeyBuffer, Buffer(), + old_kek_sym_key, + encKey, + macKey, + kekKey, + output); + } + +done: + if (masterKey != NULL) { + PK11_FreeSymKey( masterKey); + masterKey = NULL; + } + + if (encKey != NULL) { + PK11_FreeSymKey( encKey ); + encKey = NULL; + } + + if (macKey != NULL) { + PK11_FreeSymKey( macKey ); + macKey = NULL; + } + + if (kekKey != NULL) { + PK11_FreeSymKey( kekKey ); + kekKey = NULL; + } + + if( keySetStringChars ) { + (env)->ReleaseStringUTFChars(keySet, (const char *)keySetStringChars); + keySetStringChars = NULL; + } + + if( specified_key_is_present ) + { + if(output.size()>0) + handleBA = (env)->NewByteArray( output.size()); + else + handleBA = (env)->NewByteArray(1); + handleBytes = (env)->GetByteArrayElements(handleBA, NULL); + memcpy(handleBytes, (BYTE*)output,output.size()); + + if( handleBytes != NULL) { + (env)->ReleaseByteArrayElements( handleBA, handleBytes, 0); + } + } + + if( cuidValue != NULL) { + (env)->ReleaseByteArrayElements(CUIDValue, cuidValue, JNI_ABORT); + } + + if( kekKeyArray != NULL) { + (env)->ReleaseByteArrayElements(kekKeyArray, old_kek_key, JNI_ABORT); + } + + if((newSlot != slot) && newSlot) { + PK11_FreeSlot( newSlot); + newSlot = NULL; + } + + if( slot ) { + PK11_FreeSlot( slot); + slot = NULL; + } + + if( internal) { + PK11_FreeSlot( internal); + internal = NULL; + } + + return handleBA; +} + +PK11SymKey *CreateUnWrappedSymKeyOnToken( PK11SlotInfo *slot, PK11SymKey * unWrappingKey, BYTE *keyToBeUnWrapped, int sizeOfKeyToBeUnWrapped, PRBool isPerm) +{ + PK11SymKey * unWrappedSymKey = NULL; + int bufSize = 48; + unsigned char outbuf[bufSize]; + int final_len = 0; + SECStatus s = SECSuccess; + PK11Context * EncContext = NULL; + SECItem unWrappedKeyItem = { siBuffer, NULL, 0}; + PK11SymKey *unwrapper = NULL; + + PR_fprintf( PR_STDOUT, + "Creating UnWrappedSymKey on token. \n"); + + if ( (slot == NULL) || (unWrappingKey == NULL) || + (keyToBeUnWrapped == NULL) || + (sizeOfKeyToBeUnWrapped != DES3_LENGTH) + ) { + return NULL; + } + + PK11SlotInfo *unwrapKeySlot = PK11_GetSlotFromKey( unWrappingKey ); + + if ( unwrapKeySlot != slot ) { + unwrapper = PK11_MoveSymKey ( slot, CKA_ENCRYPT, 0, PR_FALSE, unWrappingKey); + } + + SECItem *SecParam = PK11_ParamFromIV(CKM_DES3_ECB, NULL); + if ( SecParam == NULL) { + goto done; + } + + EncContext = PK11_CreateContextBySymKey(CKM_DES3_ECB, + CKA_ENCRYPT, + unWrappingKey, SecParam); + + if ( EncContext == NULL) { + goto done; + } + + s = PK11_CipherOp(EncContext, outbuf, &final_len, sizeof( outbuf), keyToBeUnWrapped, + sizeOfKeyToBeUnWrapped); + + if ( s != SECSuccess) { + goto done; + } + + if ( final_len != DES3_LENGTH ) { + goto done; + } + + unWrappedKeyItem.data = outbuf; + unWrappedKeyItem.len = final_len; + + + /* Now try to unwrap our key into the token */ + unWrappedSymKey = PK11_UnwrapSymKeyWithFlagsPerm(unwrapper ? unwrapper : unWrappingKey, + CKM_DES3_ECB,SecParam, &unWrappedKeyItem, + CKM_DES3_ECB, + CKA_UNWRAP, + sizeOfKeyToBeUnWrapped, 0, isPerm ); + +done: + + if( SecParam != NULL ) { + SECITEM_FreeItem(SecParam, PR_TRUE); + SecParam = NULL; + } + + if( EncContext != NULL ) { + PK11_DestroyContext(EncContext, PR_TRUE); + EncContext = NULL; + } + + if( unwrapper != NULL ) { + PK11_FreeSymKey( unwrapper ); + unwrapper = NULL; + } + + if( unwrapKeySlot != NULL) { + PK11_FreeSlot( unwrapKeySlot); + unwrapKeySlot = NULL; + } + + PR_fprintf( PR_STDOUT, + "UnWrappedSymKey on token result: %p \n",unWrappedSymKey); + + return unWrappedSymKey; +} +//Return default keyset developer key. Either auth, mac, or kek +PK11SymKey *ReturnDeveloperSymKey(PK11SlotInfo *slot, char *keyType, char *keySet, Buffer &inputKey) +{ + const int maxKeyNameSize = 56; + PK11SymKey *devSymKey = NULL; + PK11SymKey *transportKey = NULL; + char devKeyName[maxKeyNameSize]; + + SECStatus rv = SECSuccess; + + BYTE sessionKey[DES3_LENGTH]; + + if( slot == NULL || keyType == NULL || keySet == NULL) { + return NULL; + } + + snprintf(devKeyName,maxKeyNameSize,"%s-%sKey", keySet, keyType); + + devSymKey = ReturnSymKey( slot, devKeyName ); + + // Try to create the key once and leave it there. + if( devSymKey == NULL ) { + PR_fprintf(PR_STDOUT, "Can't find devSymKey, try to create it on token. \n"); + if ( inputKey.size() == DES2_LENGTH ) { //Any other size ignored + transportKey = ReturnSymKey( slot, GetSharedSecretKeyName(NULL)); + + if( transportKey == NULL) { + PR_fprintf(PR_STDERR,"Can't get transport key in ReturnDeveloperSymKey! \n"); + goto done; + } + + /* convert 16-byte to 24-byte triple-DES key */ + memcpy(sessionKey, inputKey, DES2_LENGTH); + memcpy(sessionKey+ DES2_LENGTH, inputKey, EIGHT_BYTES); + + //Unwrap this thing on there as permanent, so we don't have to create it again for a given keySet. + if( transportKey) { + devSymKey = CreateUnWrappedSymKeyOnToken( slot, transportKey, sessionKey, sizeof(sessionKey), PR_TRUE); + } + + PR_fprintf(PR_STDERR,"Tried to create devSymKey %p \n",devSymKey); + + rv = SECSuccess; + if( devSymKey ) { + rv = PK11_SetSymKeyNickname( devSymKey, devKeyName ); + + if ( rv != SECSuccess ) { + PR_fprintf(PR_STDERR, "Can't set the nickname of just written devKey! \n"); + } + } + } + } + +done: + if( transportKey ) { + PK11_FreeSymKey( transportKey ); + transportKey = NULL; + } + + // Dont' free slot , let the caller. + return devSymKey; +} + +/* + * Class: com_netscape_cms_servlet_tks_RASessionKey + * Method: SetDefaultPrefix + * Signature: (Ljava/lang/String;)V + */ +extern "C" JNIEXPORT void JNICALL Java_com_netscape_symkey_SessionKey_SetDefaultPrefix +(JNIEnv *, jclass, jstring); +extern "C" JNIEXPORT void +JNICALL Java_com_netscape_symkey_SessionKey_SetDefaultPrefix(JNIEnv * env, jclass this2, jstring masterPrefix) +{ + char *masterPrefixChars; + + masterPrefixChars = (char *)(env)->GetStringUTFChars(masterPrefix, NULL); + + if(masterPrefixChars) + strcpy(masterKeyPrefix,masterPrefixChars); + else + masterKeyPrefix[0] = '\0'; + + if(masterPrefixChars) + { + (env)->ReleaseStringUTFChars(masterPrefix, (const char *)masterPrefixChars); + } + + return; +} |