Index: mozilla/security/nss/lib/pk11wrap/pk11pbe.c |
=================================================================== |
--- mozilla/security/nss/lib/pk11wrap/pk11pbe.c (revision 191424) |
+++ mozilla/security/nss/lib/pk11wrap/pk11pbe.c (working copy) |
@@ -1,1432 +0,0 @@ |
-/* This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
- |
-#include "plarena.h" |
- |
-#include "seccomon.h" |
-#include "secitem.h" |
-#include "secport.h" |
-#include "hasht.h" |
-#include "pkcs11t.h" |
-#include "sechash.h" |
-#include "secasn1.h" |
-#include "secder.h" |
-#include "secoid.h" |
-#include "secerr.h" |
-#include "secmod.h" |
-#include "pk11func.h" |
-#include "secpkcs5.h" |
-#include "secmodi.h" |
-#include "secmodti.h" |
-#include "pkcs11.h" |
-#include "pk11func.h" |
-#include "secitem.h" |
-#include "key.h" |
- |
-typedef struct SEC_PKCS5PBEParameterStr SEC_PKCS5PBEParameter; |
-struct SEC_PKCS5PBEParameterStr { |
- PRArenaPool *poolp; |
- SECItem salt; /* octet string */ |
- SECItem iteration; /* integer */ |
- SECItem keyLength; /* PKCS5v2 only */ |
- SECAlgorithmID *pPrfAlgId; /* PKCS5v2 only */ |
- SECAlgorithmID prfAlgId; /* PKCS5v2 only */ |
-}; |
- |
-/* PKCS5 V2 has an algorithm ID for the encryption and for |
- * the key generation. This is valid for SEC_OID_PKCS5_PBES2 |
- * and SEC_OID_PKCS5_PBMAC1 |
- */ |
-struct sec_pkcs5V2ParameterStr { |
- PRArenaPool *poolp; |
- SECAlgorithmID pbeAlgId; /* real pbe algorithms */ |
- SECAlgorithmID cipherAlgId; /* encryption/mac */ |
-}; |
- |
-typedef struct sec_pkcs5V2ParameterStr sec_pkcs5V2Parameter; |
- |
- |
-/* template for PKCS 5 PBE Parameter. This template has been expanded |
- * based upon the additions in PKCS 12. This should eventually be moved |
- * if RSA updates PKCS 5. |
- */ |
-const SEC_ASN1Template SEC_PKCS5PBEParameterTemplate[] = |
-{ |
- { SEC_ASN1_SEQUENCE, |
- 0, NULL, sizeof(SEC_PKCS5PBEParameter) }, |
- { SEC_ASN1_OCTET_STRING, |
- offsetof(SEC_PKCS5PBEParameter, salt) }, |
- { SEC_ASN1_INTEGER, |
- offsetof(SEC_PKCS5PBEParameter, iteration) }, |
- { 0 } |
-}; |
- |
-const SEC_ASN1Template SEC_V2PKCS12PBEParameterTemplate[] = |
-{ |
- { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SEC_PKCS5PBEParameter) }, |
- { SEC_ASN1_OCTET_STRING, offsetof(SEC_PKCS5PBEParameter, salt) }, |
- { SEC_ASN1_INTEGER, offsetof(SEC_PKCS5PBEParameter, iteration) }, |
- { 0 } |
-}; |
- |
-SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate) |
- |
-/* SECOID_PKCS5_PBKDF2 */ |
-const SEC_ASN1Template SEC_PKCS5V2PBEParameterTemplate[] = |
-{ |
- { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SEC_PKCS5PBEParameter) }, |
- /* This is really a choice, but since we only understand this |
- * choice, just inline it */ |
- { SEC_ASN1_OCTET_STRING, offsetof(SEC_PKCS5PBEParameter, salt) }, |
- { SEC_ASN1_INTEGER, offsetof(SEC_PKCS5PBEParameter, iteration) }, |
- { SEC_ASN1_INTEGER|SEC_ASN1_OPTIONAL, |
- offsetof(SEC_PKCS5PBEParameter, keyLength) }, |
- { SEC_ASN1_POINTER | SEC_ASN1_XTRN | SEC_ASN1_OPTIONAL, |
- offsetof(SEC_PKCS5PBEParameter, pPrfAlgId), |
- SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, |
- { 0 } |
-}; |
- |
-/* SEC_OID_PKCS5_PBES2, SEC_OID_PKCS5_PBMAC1 */ |
-const SEC_ASN1Template SEC_PKCS5V2ParameterTemplate[] = |
-{ |
- { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SEC_PKCS5PBEParameter) }, |
- { SEC_ASN1_INLINE | SEC_ASN1_XTRN, offsetof(sec_pkcs5V2Parameter, pbeAlgId), |
- SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, |
- { SEC_ASN1_INLINE | SEC_ASN1_XTRN, |
- offsetof(sec_pkcs5V2Parameter, cipherAlgId), |
- SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, |
- { 0 } |
-}; |
- |
- |
-/* |
- * maps a PBE algorithm to a crypto algorithm. for PKCS12 and PKCS5v1 |
- * for PKCS5v2 it returns SEC_OID_PKCS5_PBKDF2. |
- */ |
-SECOidTag |
-sec_pkcs5GetCryptoFromAlgTag(SECOidTag algorithm) |
-{ |
- switch(algorithm) |
- { |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_2KEY_TRIPLE_DES_CBC: |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_TRIPLE_DES_CBC: |
- return SEC_OID_DES_EDE3_CBC; |
- case SEC_OID_PKCS5_PBE_WITH_SHA1_AND_DES_CBC: |
- case SEC_OID_PKCS5_PBE_WITH_MD5_AND_DES_CBC: |
- case SEC_OID_PKCS5_PBE_WITH_MD2_AND_DES_CBC: |
- return SEC_OID_DES_CBC; |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC: |
- return SEC_OID_RC2_CBC; |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC4: |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_128_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4: |
- return SEC_OID_RC4; |
- case SEC_OID_PKCS5_PBKDF2: |
- case SEC_OID_PKCS5_PBES2: |
- case SEC_OID_PKCS5_PBMAC1: |
- return SEC_OID_PKCS5_PBKDF2; |
- default: |
- break; |
- } |
- |
- return SEC_OID_UNKNOWN; |
-} |
- |
-/* |
- * get a new PKCS5 V2 Parameter from the algorithm id. |
- * if arena is passed in, use it, otherwise create a new arena. |
- */ |
-sec_pkcs5V2Parameter * |
-sec_pkcs5_v2_get_v2_param(PRArenaPool *arena, SECAlgorithmID *algid) |
-{ |
- PRArenaPool *localArena = NULL; |
- sec_pkcs5V2Parameter *pbeV2_param; |
- SECStatus rv; |
- |
- if (arena == NULL) { |
- localArena = arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); |
- if (arena == NULL) { |
- return NULL; |
- } |
- } |
- pbeV2_param = PORT_ArenaZNew(arena, sec_pkcs5V2Parameter); |
- if (pbeV2_param == NULL) { |
- goto loser; |
- } |
- |
- rv = SEC_ASN1DecodeItem(arena, pbeV2_param, |
- SEC_PKCS5V2ParameterTemplate, &algid->parameters); |
- if (rv == SECFailure) { |
- goto loser; |
- } |
- |
- pbeV2_param->poolp = arena; |
- return pbeV2_param; |
-loser: |
- if (localArena) { |
- PORT_FreeArena(arena, PR_FALSE); |
- } |
- return NULL; |
-} |
- |
-void |
-sec_pkcs5_v2_destroy_v2_param(sec_pkcs5V2Parameter *param) |
-{ |
- if (param && param->poolp) { |
- PORT_FreeArena(param->poolp, PR_TRUE); |
- } |
-} |
- |
- |
-/* maps crypto algorithm from PBE algorithm. |
- */ |
-SECOidTag |
-SEC_PKCS5GetCryptoAlgorithm(SECAlgorithmID *algid) |
-{ |
- |
- SECOidTag pbeAlg; |
- SECOidTag cipherAlg; |
- |
- if(algid == NULL) |
- return SEC_OID_UNKNOWN; |
- |
- pbeAlg = SECOID_GetAlgorithmTag(algid); |
- cipherAlg = sec_pkcs5GetCryptoFromAlgTag(pbeAlg); |
- if ((cipherAlg == SEC_OID_PKCS5_PBKDF2) && |
- (pbeAlg != SEC_OID_PKCS5_PBKDF2)) { |
- sec_pkcs5V2Parameter *pbeV2_param; |
- cipherAlg = SEC_OID_UNKNOWN; |
- |
- pbeV2_param = sec_pkcs5_v2_get_v2_param(NULL, algid); |
- if (pbeV2_param != NULL) { |
- cipherAlg = SECOID_GetAlgorithmTag(&pbeV2_param->cipherAlgId); |
- sec_pkcs5_v2_destroy_v2_param(pbeV2_param); |
- } |
- } |
- |
- return cipherAlg; |
-} |
- |
-/* check to see if an oid is a pbe algorithm |
- */ |
-PRBool |
-SEC_PKCS5IsAlgorithmPBEAlg(SECAlgorithmID *algid) |
-{ |
- return (PRBool)(SEC_PKCS5GetCryptoAlgorithm(algid) != SEC_OID_UNKNOWN); |
-} |
- |
-PRBool |
-SEC_PKCS5IsAlgorithmPBEAlgTag(SECOidTag algtag) |
-{ |
- return (PRBool)(sec_pkcs5GetCryptoFromAlgTag(algtag) != SEC_OID_UNKNOWN); |
-} |
- |
-/* |
- * find the most appropriate PKCS5v2 overall oid tag from a regular |
- * cipher/hash algorithm tag. |
- */ |
-static SECOidTag |
-sec_pkcs5v2_get_pbe(SECOidTag algTag) |
-{ |
- /* if it's a valid hash oid... */ |
- if (HASH_GetHashOidTagByHMACOidTag(algTag) != SEC_OID_UNKNOWN) { |
- /* use the MAC tag */ |
- return SEC_OID_PKCS5_PBMAC1; |
- } |
- if (HASH_GetHashTypeByOidTag(algTag) != HASH_AlgNULL) { |
- /* eliminate Hash algorithms */ |
- return SEC_OID_UNKNOWN; |
- } |
- if (PK11_AlgtagToMechanism(algTag) != CKM_INVALID_MECHANISM) { |
- /* it's not a hash, if it has a PKCS #11 mechanism associated |
- * with it, assume it's a cipher. (NOTE this will generate |
- * some false positives). */ |
- return SEC_OID_PKCS5_PBES2; |
- } |
- return SEC_OID_UNKNOWN; |
-} |
- |
-/* |
- * maps PBE algorithm from crypto algorithm, assumes SHA1 hashing. |
- * input keyLen in bits. |
- */ |
-SECOidTag |
-SEC_PKCS5GetPBEAlgorithm(SECOidTag algTag, int keyLen) |
-{ |
- switch(algTag) |
- { |
- case SEC_OID_DES_EDE3_CBC: |
- switch(keyLen) { |
- case 168: |
- case 192: |
- case 0: |
- return SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC; |
- case 128: |
- case 92: |
- return SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_2KEY_TRIPLE_DES_CBC; |
- default: |
- break; |
- } |
- break; |
- case SEC_OID_DES_CBC: |
- return SEC_OID_PKCS5_PBE_WITH_SHA1_AND_DES_CBC; |
- case SEC_OID_RC2_CBC: |
- switch(keyLen) { |
- case 40: |
- return SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC; |
- case 128: |
- case 0: |
- return SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC; |
- default: |
- break; |
- } |
- break; |
- case SEC_OID_RC4: |
- switch(keyLen) { |
- case 40: |
- return SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4; |
- case 128: |
- case 0: |
- return SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC4; |
- default: |
- break; |
- } |
- break; |
- default: |
- return sec_pkcs5v2_get_pbe(algTag); |
- } |
- |
- return SEC_OID_UNKNOWN; |
-} |
- |
-/* |
- * get the key length in bytes from a PKCS5 PBE |
- */ |
-int |
-sec_pkcs5v2_key_length(SECAlgorithmID *algid) |
-{ |
- SECOidTag algorithm; |
- PRArenaPool *arena = NULL; |
- SEC_PKCS5PBEParameter p5_param; |
- SECStatus rv; |
- int length = -1; |
- |
- algorithm = SECOID_GetAlgorithmTag(algid); |
- /* sanity check, they should all be PBKDF2 here */ |
- if (algorithm != SEC_OID_PKCS5_PBKDF2) { |
- return -1; |
- } |
- |
- arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); |
- if (arena == NULL) { |
- goto loser; |
- } |
- PORT_Memset(&p5_param, 0, sizeof(p5_param)); |
- rv = SEC_ASN1DecodeItem(arena,&p5_param, |
- SEC_PKCS5V2PBEParameterTemplate, &algid->parameters); |
- if (rv != SECSuccess) { |
- goto loser; |
- } |
- |
- if (p5_param.keyLength.data != NULL) { |
- length = DER_GetInteger(&p5_param.keyLength); |
- } |
- |
-loser: |
- if (arena) { |
- PORT_FreeArena(arena, PR_FALSE); |
- } |
- return length; |
-} |
- |
-/* |
- * get the key length in bytes needed for the PBE algorithm |
- */ |
-int |
-SEC_PKCS5GetKeyLength(SECAlgorithmID *algid) |
-{ |
- |
- SECOidTag algorithm; |
- |
- if(algid == NULL) |
- return SEC_OID_UNKNOWN; |
- |
- algorithm = SECOID_GetAlgorithmTag(algid); |
- |
- switch(algorithm) |
- { |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC: |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_TRIPLE_DES_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_2KEY_TRIPLE_DES_CBC: |
- return 24; |
- case SEC_OID_PKCS5_PBE_WITH_MD2_AND_DES_CBC: |
- case SEC_OID_PKCS5_PBE_WITH_SHA1_AND_DES_CBC: |
- case SEC_OID_PKCS5_PBE_WITH_MD5_AND_DES_CBC: |
- return 8; |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC: |
- return 5; |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_PBE_WITH_SHA1_AND_128_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC4: |
- return 16; |
- case SEC_OID_PKCS5_PBKDF2: |
- return sec_pkcs5v2_key_length(algid); |
- case SEC_OID_PKCS5_PBES2: |
- case SEC_OID_PKCS5_PBMAC1: |
- { |
- sec_pkcs5V2Parameter *pbeV2_param; |
- int length = -1; |
- pbeV2_param = sec_pkcs5_v2_get_v2_param(NULL, algid); |
- if (pbeV2_param != NULL) { |
- length = sec_pkcs5v2_key_length(&pbeV2_param->pbeAlgId); |
- sec_pkcs5_v2_destroy_v2_param(pbeV2_param); |
- } |
- return length; |
- } |
- |
- default: |
- break; |
- } |
- return -1; |
-} |
- |
- |
-/* the PKCS12 V2 algorithms only encode the salt, there is no iteration |
- * count so we need a check for V2 algorithm parameters. |
- */ |
-static PRBool |
-sec_pkcs5_is_algorithm_v2_pkcs12_algorithm(SECOidTag algorithm) |
-{ |
- switch(algorithm) |
- { |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_2KEY_TRIPLE_DES_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC: |
- case SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC: |
- return PR_TRUE; |
- default: |
- break; |
- } |
- |
- return PR_FALSE; |
-} |
- |
-static PRBool |
-sec_pkcs5_is_algorithm_v2_pkcs5_algorithm(SECOidTag algorithm) |
-{ |
- switch(algorithm) |
- { |
- case SEC_OID_PKCS5_PBES2: |
- case SEC_OID_PKCS5_PBMAC1: |
- case SEC_OID_PKCS5_PBKDF2: |
- return PR_TRUE; |
- default: |
- break; |
- } |
- |
- return PR_FALSE; |
-} |
- |
-/* destroy a pbe parameter. it assumes that the parameter was |
- * generated using the appropriate create function and therefor |
- * contains an arena pool. |
- */ |
-static void |
-sec_pkcs5_destroy_pbe_param(SEC_PKCS5PBEParameter *pbe_param) |
-{ |
- if(pbe_param != NULL) |
- PORT_FreeArena(pbe_param->poolp, PR_TRUE); |
-} |
- |
-/* creates a PBE parameter based on the PBE algorithm. the only required |
- * parameters are algorithm and interation. the return is a PBE parameter |
- * which conforms to PKCS 5 parameter unless an extended parameter is needed. |
- * this is primarily if keyLength and a variable key length algorithm are |
- * specified. |
- * salt - if null, a salt will be generated from random bytes. |
- * iteration - number of iterations to perform hashing. |
- * keyLength - only used in variable key length algorithms. if specified, |
- * should be in bytes. |
- * once a parameter is allocated, it should be destroyed calling |
- * sec_pkcs5_destroy_pbe_parameter or SEC_PKCS5DestroyPBEParameter. |
- */ |
-#define DEFAULT_SALT_LENGTH 16 |
-static SEC_PKCS5PBEParameter * |
-sec_pkcs5_create_pbe_parameter(SECOidTag algorithm, |
- SECItem *salt, |
- int iteration, |
- int keyLength, |
- SECOidTag prfAlg) |
-{ |
- PRArenaPool *poolp = NULL; |
- SEC_PKCS5PBEParameter *pbe_param = NULL; |
- SECStatus rv= SECSuccess; |
- void *dummy = NULL; |
- |
- if(iteration < 0) { |
- return NULL; |
- } |
- |
- poolp = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); |
- if(poolp == NULL) |
- return NULL; |
- |
- pbe_param = (SEC_PKCS5PBEParameter *)PORT_ArenaZAlloc(poolp, |
- sizeof(SEC_PKCS5PBEParameter)); |
- if(!pbe_param) { |
- PORT_FreeArena(poolp, PR_TRUE); |
- return NULL; |
- } |
- |
- pbe_param->poolp = poolp; |
- |
- rv = SECFailure; |
- if (salt && salt->data) { |
- rv = SECITEM_CopyItem(poolp, &pbe_param->salt, salt); |
- } else { |
- /* sigh, the old interface generated salt on the fly, so we have to |
- * preserve the semantics */ |
- pbe_param->salt.len = DEFAULT_SALT_LENGTH; |
- pbe_param->salt.data = PORT_ArenaZAlloc(poolp,DEFAULT_SALT_LENGTH); |
- if (pbe_param->salt.data) { |
- rv = PK11_GenerateRandom(pbe_param->salt.data,DEFAULT_SALT_LENGTH); |
- } |
- } |
- |
- if(rv != SECSuccess) { |
- PORT_FreeArena(poolp, PR_TRUE); |
- return NULL; |
- } |
- |
- /* encode the integer */ |
- dummy = SEC_ASN1EncodeInteger(poolp, &pbe_param->iteration, |
- iteration); |
- rv = (dummy) ? SECSuccess : SECFailure; |
- |
- if(rv != SECSuccess) { |
- PORT_FreeArena(poolp, PR_FALSE); |
- return NULL; |
- } |
- |
- /* |
- * for PKCS5 v2 Add the keylength and the prf |
- */ |
- if (algorithm == SEC_OID_PKCS5_PBKDF2) { |
- dummy = SEC_ASN1EncodeInteger(poolp, &pbe_param->keyLength, |
- keyLength); |
- rv = (dummy) ? SECSuccess : SECFailure; |
- if (rv != SECSuccess) { |
- PORT_FreeArena(poolp, PR_FALSE); |
- return NULL; |
- } |
- rv = SECOID_SetAlgorithmID(poolp, &pbe_param->prfAlgId, prfAlg, NULL); |
- if (rv != SECSuccess) { |
- PORT_FreeArena(poolp, PR_FALSE); |
- return NULL; |
- } |
- pbe_param->pPrfAlgId = &pbe_param->prfAlgId; |
- } |
- |
- return pbe_param; |
-} |
- |
-/* creates a algorithm ID containing the PBE algorithm and appropriate |
- * parameters. the required parameter is the algorithm. if salt is |
- * not specified, it is generated randomly. |
- * |
- * the returned SECAlgorithmID should be destroyed using |
- * SECOID_DestroyAlgorithmID |
- */ |
-SECAlgorithmID * |
-sec_pkcs5CreateAlgorithmID(SECOidTag algorithm, |
- SECOidTag cipherAlgorithm, |
- SECOidTag prfAlg, |
- SECOidTag *pPbeAlgorithm, |
- int keyLength, |
- SECItem *salt, |
- int iteration) |
-{ |
- PRArenaPool *poolp = NULL; |
- SECAlgorithmID *algid, *ret_algid = NULL; |
- SECOidTag pbeAlgorithm = algorithm; |
- SECItem der_param; |
- void *dummy; |
- SECStatus rv = SECFailure; |
- SEC_PKCS5PBEParameter *pbe_param = NULL; |
- sec_pkcs5V2Parameter pbeV2_param; |
- |
- if(iteration <= 0) { |
- return NULL; |
- } |
- |
- poolp = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); |
- if(!poolp) { |
- goto loser; |
- } |
- |
- if (!SEC_PKCS5IsAlgorithmPBEAlgTag(algorithm) || |
- sec_pkcs5_is_algorithm_v2_pkcs5_algorithm(algorithm)) { |
- /* use PKCS 5 v2 */ |
- SECItem *cipherParams; |
- |
- /* |
- * if we ask for pkcs5 Algorithms directly, then the |
- * application needs to supply the cipher algorithm, |
- * otherwise we are implicitly using pkcs5 v2 and the |
- * passed in algorithm is the encryption algorithm. |
- */ |
- if (sec_pkcs5_is_algorithm_v2_pkcs5_algorithm(algorithm)) { |
- if (cipherAlgorithm == SEC_OID_UNKNOWN) { |
- goto loser; |
- } |
- } else { |
- cipherAlgorithm = algorithm; |
- /* force algorithm to be chosen below */ |
- algorithm = SEC_OID_PKCS5_PBKDF2; |
- } |
- |
- pbeAlgorithm = SEC_OID_PKCS5_PBKDF2; |
- /* |
- * 'algorithm' is the overall algorithm oid tag used to wrap the |
- * entire algoithm ID block. For PKCS5v1 and PKCS12, this |
- * algorithm OID has encoded in it both the PBE KDF function |
- * and the encryption algorithm. For PKCS 5v2, PBE KDF and |
- * encryption/macing oids are encoded as parameters in |
- * the algorithm ID block. |
- * |
- * Thus in PKCS5 v1 and PKCS12, this algorithm maps to a pkcs #11 |
- * mechanism, where as in PKCS 5v2, this alogithm tag does not map |
- * directly to a PKCS #11 mechanim, instead the 2 oids in the |
- * algorithm ID block map the the actual PKCS #11 mechanism. |
- * gorithm is). We use choose this algorithm oid based on the |
- * cipherAlgorithm to determine what this should be (MAC1 or PBES2). |
- */ |
- if (algorithm == SEC_OID_PKCS5_PBKDF2) { |
- /* choose mac or pbes */ |
- algorithm = sec_pkcs5v2_get_pbe(cipherAlgorithm); |
- } |
- |
- /* set the PKCS5v2 specific parameters */ |
- if (keyLength == 0) { |
- SECOidTag hashAlg = HASH_GetHashOidTagByHMACOidTag(cipherAlgorithm); |
- if (hashAlg != SEC_OID_UNKNOWN) { |
- keyLength = HASH_ResultLenByOidTag(hashAlg); |
- } else { |
- CK_MECHANISM_TYPE cryptoMech; |
- cryptoMech = PK11_AlgtagToMechanism(cipherAlgorithm); |
- if (cryptoMech == CKM_INVALID_MECHANISM) { |
- goto loser; |
- } |
- keyLength = PK11_GetMaxKeyLength(cryptoMech); |
- } |
- if (keyLength == 0) { |
- goto loser; |
- } |
- } |
- /* currently only SEC_OID_HMAC_SHA1 is defined */ |
- if (prfAlg == SEC_OID_UNKNOWN) { |
- prfAlg = SEC_OID_HMAC_SHA1; |
- } |
- |
- /* build the PKCS5v2 cipher algorithm id */ |
- cipherParams = pk11_GenerateNewParamWithKeyLen( |
- PK11_AlgtagToMechanism(cipherAlgorithm), keyLength); |
- if (!cipherParams) { |
- goto loser; |
- } |
- |
- PORT_Memset(&pbeV2_param, 0, sizeof (pbeV2_param)); |
- |
- rv = PK11_ParamToAlgid(cipherAlgorithm, cipherParams, |
- poolp, &pbeV2_param.cipherAlgId); |
- SECITEM_FreeItem(cipherParams, PR_TRUE); |
- if (rv != SECSuccess) { |
- goto loser; |
- } |
- } |
- |
- |
- /* generate the parameter */ |
- pbe_param = sec_pkcs5_create_pbe_parameter(pbeAlgorithm, salt, iteration, |
- keyLength, prfAlg); |
- if(!pbe_param) { |
- goto loser; |
- } |
- |
- /* generate the algorithm id */ |
- algid = (SECAlgorithmID *)PORT_ArenaZAlloc(poolp, sizeof(SECAlgorithmID)); |
- if(algid == NULL) { |
- goto loser; |
- } |
- |
- der_param.data = NULL; |
- der_param.len = 0; |
- if (sec_pkcs5_is_algorithm_v2_pkcs5_algorithm(algorithm)) { |
- /* first encode the PBE algorithm ID */ |
- dummy = SEC_ASN1EncodeItem(poolp, &der_param, pbe_param, |
- SEC_PKCS5V2PBEParameterTemplate); |
- if (dummy == NULL) { |
- goto loser; |
- } |
- rv = SECOID_SetAlgorithmID(poolp, &pbeV2_param.pbeAlgId, |
- pbeAlgorithm, &der_param); |
- if (rv != SECSuccess) { |
- goto loser; |
- } |
- |
- /* now encode the Full PKCS 5 parameter */ |
- der_param.data = NULL; |
- der_param.len = 0; |
- dummy = SEC_ASN1EncodeItem(poolp, &der_param, &pbeV2_param, |
- SEC_PKCS5V2ParameterTemplate); |
- } else if(!sec_pkcs5_is_algorithm_v2_pkcs12_algorithm(algorithm)) { |
- dummy = SEC_ASN1EncodeItem(poolp, &der_param, pbe_param, |
- SEC_PKCS5PBEParameterTemplate); |
- } else { |
- dummy = SEC_ASN1EncodeItem(poolp, &der_param, pbe_param, |
- SEC_V2PKCS12PBEParameterTemplate); |
- } |
- if (dummy == NULL) { |
- goto loser; |
- } |
- |
- rv = SECOID_SetAlgorithmID(poolp, algid, algorithm, &der_param); |
- if (rv != SECSuccess) { |
- goto loser; |
- } |
- |
- ret_algid = (SECAlgorithmID *)PORT_ZAlloc(sizeof(SECAlgorithmID)); |
- if (ret_algid == NULL) { |
- goto loser; |
- } |
- |
- rv = SECOID_CopyAlgorithmID(NULL, ret_algid, algid); |
- if (rv != SECSuccess) { |
- SECOID_DestroyAlgorithmID(ret_algid, PR_TRUE); |
- ret_algid = NULL; |
- } else if (pPbeAlgorithm) { |
- *pPbeAlgorithm = pbeAlgorithm; |
- } |
- |
-loser: |
- if (poolp != NULL) { |
- PORT_FreeArena(poolp, PR_TRUE); |
- algid = NULL; |
- } |
- |
- if (pbe_param) { |
- sec_pkcs5_destroy_pbe_param(pbe_param); |
- } |
- |
- return ret_algid; |
-} |
- |
-SECStatus |
-pbe_PK11AlgidToParam(SECAlgorithmID *algid,SECItem *mech) |
-{ |
- SEC_PKCS5PBEParameter p5_param; |
- SECItem *salt = NULL; |
- SECOidTag algorithm = SECOID_GetAlgorithmTag(algid); |
- PRArenaPool *arena = NULL; |
- SECStatus rv = SECFailure; |
- unsigned char *paramData = NULL; |
- unsigned char *pSalt = NULL; |
- CK_ULONG iterations; |
- int paramLen = 0; |
- int iv_len; |
- |
- |
- arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); |
- if (arena == NULL) { |
- goto loser; |
- } |
- |
- |
- /* |
- * decode the algid based on the pbe type |
- */ |
- PORT_Memset(&p5_param, 0, sizeof(p5_param)); |
- if (sec_pkcs5_is_algorithm_v2_pkcs12_algorithm(algorithm)) { |
- iv_len = PK11_GetIVLength(PK11_AlgtagToMechanism(algorithm)); |
- rv = SEC_ASN1DecodeItem(arena, &p5_param, |
- SEC_V2PKCS12PBEParameterTemplate, &algid->parameters); |
- } else if (algorithm == SEC_OID_PKCS5_PBKDF2) { |
- iv_len = 0; |
- rv = SEC_ASN1DecodeItem(arena,&p5_param, |
- SEC_PKCS5V2PBEParameterTemplate, &algid->parameters); |
- } else { |
- iv_len = PK11_GetIVLength(PK11_AlgtagToMechanism(algorithm)); |
- rv = SEC_ASN1DecodeItem(arena,&p5_param,SEC_PKCS5PBEParameterTemplate, |
- &algid->parameters); |
- } |
- |
- if (iv_len < 0) { |
- goto loser; |
- } |
- |
- if (rv != SECSuccess) { |
- goto loser; |
- } |
- |
- /* get salt */ |
- salt = &p5_param.salt; |
- iterations = (CK_ULONG) DER_GetInteger(&p5_param.iteration); |
- |
- /* allocate and fill in the PKCS #11 parameters |
- * based on the algorithm. */ |
- if (algorithm == SEC_OID_PKCS5_PBKDF2) { |
- SECOidTag prfAlgTag; |
- CK_PKCS5_PBKD2_PARAMS *pbeV2_params = |
- (CK_PKCS5_PBKD2_PARAMS *)PORT_ZAlloc( |
- sizeof(CK_PKCS5_PBKD2_PARAMS)+ salt->len); |
- |
- if (pbeV2_params == NULL) { |
- goto loser; |
- } |
- paramData = (unsigned char *)pbeV2_params; |
- paramLen = sizeof(CK_PKCS5_PBKD2_PARAMS); |
- |
- /* set the prf */ |
- prfAlgTag = SEC_OID_HMAC_SHA1; |
- if (p5_param.pPrfAlgId && |
- p5_param.pPrfAlgId->algorithm.data != 0) { |
- prfAlgTag = SECOID_GetAlgorithmTag(p5_param.pPrfAlgId); |
- } |
- if (prfAlgTag == SEC_OID_HMAC_SHA1) { |
- pbeV2_params->prf = CKP_PKCS5_PBKD2_HMAC_SHA1; |
- } else { |
- /* only SHA1_HMAC is currently supported by PKCS #11 */ |
- PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); |
- goto loser; |
- } |
- |
- /* probably should fetch these from the prfAlgid */ |
- pbeV2_params->pPrfData = NULL; |
- pbeV2_params->ulPrfDataLen = 0; |
- pbeV2_params->saltSource = CKZ_SALT_SPECIFIED; |
- pSalt = ((CK_CHAR_PTR) pbeV2_params)+sizeof(CK_PKCS5_PBKD2_PARAMS); |
- PORT_Memcpy(pSalt, salt->data, salt->len); |
- pbeV2_params->pSaltSourceData = pSalt; |
- pbeV2_params->ulSaltSourceDataLen = salt->len; |
- pbeV2_params->iterations = iterations; |
- } else { |
- CK_PBE_PARAMS *pbe_params = NULL; |
- pbe_params = (CK_PBE_PARAMS *)PORT_ZAlloc(sizeof(CK_PBE_PARAMS)+ |
- salt->len+iv_len); |
- if (pbe_params == NULL) { |
- goto loser; |
- } |
- paramData = (unsigned char *)pbe_params; |
- paramLen = sizeof(CK_PBE_PARAMS); |
- |
- pSalt = ((CK_CHAR_PTR) pbe_params)+sizeof(CK_PBE_PARAMS); |
- pbe_params->pSalt = pSalt; |
- PORT_Memcpy(pSalt, salt->data, salt->len); |
- pbe_params->ulSaltLen = salt->len; |
- if (iv_len) { |
- pbe_params->pInitVector = |
- ((CK_CHAR_PTR) pbe_params)+ sizeof(CK_PBE_PARAMS)+salt->len; |
- } |
- pbe_params->ulIteration = iterations; |
- } |
- |
- /* copy into the mechanism sec item */ |
- mech->data = paramData; |
- mech->len = paramLen; |
- if (arena) { |
- PORT_FreeArena(arena,PR_TRUE); |
- } |
- return SECSuccess; |
- |
-loser: |
- if (paramData) { |
- PORT_Free(paramData); |
- } |
- if (arena) { |
- PORT_FreeArena(arena,PR_TRUE); |
- } |
- return SECFailure; |
-} |
- |
-/* |
- * public, deprecated, not valid for pkcs5 v2 |
- * |
- * use PK11_CreatePBEV2AlgorithmID or PK11_CreatePBEAlgorithmID to create |
- * PBE algorithmID's directly. |
- */ |
-SECStatus |
-PBE_PK11ParamToAlgid(SECOidTag algTag, SECItem *param, PRArenaPool *arena, |
- SECAlgorithmID *algId) |
-{ |
- CK_PBE_PARAMS *pbe_param; |
- SECItem pbeSalt; |
- SECAlgorithmID *pbeAlgID = NULL; |
- SECStatus rv; |
- |
- if(!param || !algId) { |
- return SECFailure; |
- } |
- |
- pbe_param = (CK_PBE_PARAMS *)param->data; |
- pbeSalt.data = (unsigned char *)pbe_param->pSalt; |
- pbeSalt.len = pbe_param->ulSaltLen; |
- pbeAlgID = sec_pkcs5CreateAlgorithmID(algTag, SEC_OID_UNKNOWN, |
- SEC_OID_UNKNOWN, NULL, 0, &pbeSalt, (int)pbe_param->ulIteration); |
- if(!pbeAlgID) { |
- return SECFailure; |
- } |
- |
- rv = SECOID_CopyAlgorithmID(arena, algId, pbeAlgID); |
- SECOID_DestroyAlgorithmID(pbeAlgID, PR_TRUE); |
- return rv; |
-} |
- |
-/* |
- * public, Deprecated, This function is only for binary compatibility with |
- * older applications. Does not support PKCS5v2. |
- * |
- * Applications should use PK11_PBEKeyGen() for keys and PK11_GetPBEIV() for |
- * iv values rather than generating PBE bits directly. |
- */ |
-PBEBitGenContext * |
-PBE_CreateContext(SECOidTag hashAlgorithm, PBEBitGenID bitGenPurpose, |
- SECItem *pwitem, SECItem *salt, unsigned int bitsNeeded, |
- unsigned int iterations) |
-{ |
- SECItem *context = NULL; |
- SECItem mechItem; |
- CK_PBE_PARAMS pbe_params; |
- CK_MECHANISM_TYPE mechanism = CKM_INVALID_MECHANISM; |
- PK11SlotInfo *slot; |
- PK11SymKey *symKey = NULL; |
- unsigned char ivData[8]; |
- |
- |
- /* use the purpose to select the low level keygen algorithm */ |
- switch (bitGenPurpose) { |
- case pbeBitGenIntegrityKey: |
- switch (hashAlgorithm) { |
- case SEC_OID_SHA1: |
- mechanism = CKM_PBA_SHA1_WITH_SHA1_HMAC; |
- break; |
- case SEC_OID_MD2: |
- mechanism = CKM_NETSCAPE_PBE_MD2_HMAC_KEY_GEN; |
- break; |
- case SEC_OID_MD5: |
- mechanism = CKM_NETSCAPE_PBE_MD5_HMAC_KEY_GEN; |
- break; |
- default: |
- break; |
- } |
- break; |
- case pbeBitGenCipherIV: |
- if (bitsNeeded > 64) { |
- break; |
- } |
- if (hashAlgorithm != SEC_OID_SHA1) { |
- break; |
- } |
- mechanism = CKM_PBE_SHA1_DES3_EDE_CBC; |
- break; |
- case pbeBitGenCipherKey: |
- if (hashAlgorithm != SEC_OID_SHA1) { |
- break; |
- } |
- switch (bitsNeeded) { |
- case 40: |
- mechanism = CKM_PBE_SHA1_RC4_40; |
- break; |
- case 128: |
- mechanism = CKM_PBE_SHA1_RC4_128; |
- break; |
- default: |
- break; |
- } |
- case pbeBitGenIDNull: |
- break; |
- } |
- |
- if (mechanism == CKM_INVALID_MECHANISM) { |
- /* we should set an error, but this is a deprecated function, and |
- * we are keeping bug for bug compatibility;)... */ |
- return NULL; |
- } |
- |
- pbe_params.pInitVector = ivData; |
- pbe_params.pPassword = pwitem->data; |
- pbe_params.ulPasswordLen = pwitem->len; |
- pbe_params.pSalt = salt->data; |
- pbe_params.ulSaltLen = salt->len; |
- pbe_params.ulIteration = iterations; |
- mechItem.data = (unsigned char *) &pbe_params; |
- mechItem.len = sizeof(pbe_params); |
- |
- |
- slot = PK11_GetInternalSlot(); |
- symKey = PK11_RawPBEKeyGen(slot,mechanism, |
- &mechItem, pwitem, PR_FALSE, NULL); |
- PK11_FreeSlot(slot); |
- if (symKey != NULL) { |
- if (bitGenPurpose == pbeBitGenCipherIV) { |
- /* NOTE: this assumes that bitsNeeded is a multiple of 8! */ |
- SECItem ivItem; |
- |
- ivItem.data = ivData; |
- ivItem.len = bitsNeeded/8; |
- context = SECITEM_DupItem(&ivItem); |
- } else { |
- SECItem *keyData; |
- PK11_ExtractKeyValue(symKey); |
- keyData = PK11_GetKeyData(symKey); |
- |
- /* assert bitsNeeded with length? */ |
- if (keyData) { |
- context = SECITEM_DupItem(keyData); |
- } |
- } |
- PK11_FreeSymKey(symKey); |
- } |
- |
- return (PBEBitGenContext *)context; |
-} |
- |
-/* |
- * public, Deprecated, This function is only for binary compatibility with |
- * older applications. Does not support PKCS5v2. |
- * |
- * Applications should use PK11_PBEKeyGen() for keys and PK11_GetIV() for |
- * iv values rather than generating PBE bits directly. |
- */ |
-SECItem * |
-PBE_GenerateBits(PBEBitGenContext *context) |
-{ |
- return (SECItem *)context; |
-} |
- |
-/* |
- * public, Deprecated, This function is only for binary compatibility with |
- * older applications. Does not support PKCS5v2. |
- * |
- * Applications should use PK11_PBEKeyGen() for keys and PK11_GetPBEIV() for |
- * iv values rather than generating PBE bits directly. |
- */ |
-void |
-PBE_DestroyContext(PBEBitGenContext *context) |
-{ |
- SECITEM_FreeItem((SECItem *)context,PR_TRUE); |
-} |
- |
-/* |
- * public, deprecated. Replaced with PK11_GetPBEIV(). |
- */ |
-SECItem * |
-SEC_PKCS5GetIV(SECAlgorithmID *algid, SECItem *pwitem, PRBool faulty3DES) |
-{ |
- /* pbe stuff */ |
- CK_MECHANISM_TYPE type; |
- SECItem *param = NULL; |
- SECItem *iv = NULL; |
- SECItem src; |
- int iv_len = 0; |
- PK11SymKey *symKey; |
- PK11SlotInfo *slot; |
- CK_PBE_PARAMS_PTR pPBEparams; |
- SECOidTag pbeAlg; |
- |
- pbeAlg = SECOID_GetAlgorithmTag(algid); |
- if (sec_pkcs5_is_algorithm_v2_pkcs5_algorithm(pbeAlg)) { |
- unsigned char *ivData; |
- sec_pkcs5V2Parameter *pbeV2_param = NULL; |
- |
- /* can only return the IV if the crypto Algorithm exists */ |
- if (pbeAlg == SEC_OID_PKCS5_PBKDF2) { |
- PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); |
- goto loser; |
- } |
- pbeV2_param = sec_pkcs5_v2_get_v2_param(NULL, algid); |
- if (pbeV2_param == NULL) { |
- goto loser; |
- } |
- /* extract the IV from the cipher algid portion of our pkcs 5 v2 |
- * algorithm id */ |
- type = PK11_AlgtagToMechanism( |
- SECOID_GetAlgorithmTag(&pbeV2_param->cipherAlgId)); |
- param = PK11_ParamFromAlgid(&pbeV2_param->cipherAlgId); |
- sec_pkcs5_v2_destroy_v2_param(pbeV2_param); |
- if (!param) { |
- goto loser; |
- } |
- /* NOTE: NULL is a permissible return here */ |
- ivData = PK11_IVFromParam(type, param, &iv_len); |
- src.data = ivData; |
- src.len = iv_len; |
- goto done; |
- } |
- |
- type = PK11_AlgtagToMechanism(pbeAlg); |
- param = PK11_ParamFromAlgid(algid); |
- if (param == NULL) { |
- goto done; |
- } |
- slot = PK11_GetInternalSlot(); |
- symKey = PK11_RawPBEKeyGen(slot, type, param, pwitem, faulty3DES, NULL); |
- PK11_FreeSlot(slot); |
- if (symKey == NULL) { |
- goto loser; |
- } |
- PK11_FreeSymKey(symKey); |
- pPBEparams = (CK_PBE_PARAMS_PTR)param->data; |
- iv_len = PK11_GetIVLength(type); |
- |
- src.data = (unsigned char *)pPBEparams->pInitVector; |
- src.len = iv_len; |
- |
-done: |
- iv = SECITEM_DupItem(&src); |
- |
-loser: |
- if (param) { |
- SECITEM_ZfreeItem(param, PR_TRUE); |
- } |
- return iv; |
-} |
- |
-/* |
- * Subs from nss 3.x that are deprecated |
- */ |
-PBEBitGenContext * |
-__PBE_CreateContext(SECOidTag hashAlgorithm, PBEBitGenID bitGenPurpose, |
- SECItem *pwitem, SECItem *salt, unsigned int bitsNeeded, |
- unsigned int iterations) |
-{ |
- PORT_Assert("__PBE_CreateContext is Deprecated" == NULL); |
- return NULL; |
-} |
- |
-SECItem * |
-__PBE_GenerateBits(PBEBitGenContext *context) |
-{ |
- PORT_Assert("__PBE_GenerateBits is Deprecated" == NULL); |
- return NULL; |
-} |
- |
-void |
-__PBE_DestroyContext(PBEBitGenContext *context) |
-{ |
- PORT_Assert("__PBE_DestroyContext is Deprecated" == NULL); |
-} |
- |
-SECStatus |
-RSA_FormatBlock(SECItem *result, unsigned modulusLen, |
- int blockType, SECItem *data) |
-{ |
- PORT_Assert("RSA_FormatBlock is Deprecated" == NULL); |
- return SECFailure; |
-} |
- |
-/**************************************************************************** |
- * |
- * Now Do The PBE Functions Here... |
- * |
- ****************************************************************************/ |
- |
-static void |
-pk11_destroy_ck_pbe_params(CK_PBE_PARAMS *pbe_params) |
-{ |
- if (pbe_params) { |
- if (pbe_params->pPassword) |
- PORT_ZFree(pbe_params->pPassword, pbe_params->ulPasswordLen); |
- if (pbe_params->pSalt) |
- PORT_ZFree(pbe_params->pSalt, pbe_params->ulSaltLen); |
- PORT_ZFree(pbe_params, sizeof(CK_PBE_PARAMS)); |
- } |
-} |
- |
-/* |
- * public, deprecated. use PK11_CreatePBEAlgorithmID or |
- * PK11_CreatePBEV2AlgorithmID instead. If you needthe pkcs #11 parameters, |
- * use PK11_ParamFromAlgid from the algorithm id you created using |
- * PK11_CreatePBEAlgorithmID or PK11_CreatePBEV2AlgorithmID. |
- */ |
-SECItem * |
-PK11_CreatePBEParams(SECItem *salt, SECItem *pwd, unsigned int iterations) |
-{ |
- CK_PBE_PARAMS *pbe_params = NULL; |
- SECItem *paramRV = NULL; |
- |
- paramRV = SECITEM_AllocItem(NULL, NULL, sizeof(CK_PBE_PARAMS)); |
- if (!paramRV ) { |
- goto loser; |
- } |
- /* init paramRV->data with zeros. SECITEM_AllocItem does not do it */ |
- PORT_Memset(paramRV->data, 0, sizeof(CK_PBE_PARAMS)); |
- |
- pbe_params = (CK_PBE_PARAMS *)paramRV->data; |
- pbe_params->pPassword = (CK_CHAR_PTR)PORT_ZAlloc(pwd->len); |
- if (!pbe_params->pPassword) { |
- goto loser; |
- } |
- PORT_Memcpy(pbe_params->pPassword, pwd->data, pwd->len); |
- pbe_params->ulPasswordLen = pwd->len; |
- |
- pbe_params->pSalt = (CK_CHAR_PTR)PORT_ZAlloc(salt->len); |
- if (!pbe_params->pSalt) { |
- goto loser; |
- } |
- PORT_Memcpy(pbe_params->pSalt, salt->data, salt->len); |
- pbe_params->ulSaltLen = salt->len; |
- |
- pbe_params->ulIteration = (CK_ULONG)iterations; |
- return paramRV; |
- |
-loser: |
- if (pbe_params) |
- pk11_destroy_ck_pbe_params(pbe_params); |
- if (paramRV) |
- PORT_ZFree(paramRV, sizeof(SECItem)); |
- return NULL; |
-} |
- |
-/* |
- * public, deprecated. |
- */ |
-void |
-PK11_DestroyPBEParams(SECItem *pItem) |
-{ |
- if (pItem) { |
- CK_PBE_PARAMS * params = (CK_PBE_PARAMS *)(pItem->data); |
- if (params) |
- pk11_destroy_ck_pbe_params(params); |
- PORT_ZFree(pItem, sizeof(SECItem)); |
- } |
-} |
- |
-/* |
- * public, Partially supports PKCS5 V2 (some parameters are not controllable |
- * through this interface). Use PK11_CreatePBEV2AlgorithmID() if you need |
- * finer control these. |
- */ |
-SECAlgorithmID * |
-PK11_CreatePBEAlgorithmID(SECOidTag algorithm, int iteration, SECItem *salt) |
-{ |
- SECAlgorithmID *algid = NULL; |
- algid = sec_pkcs5CreateAlgorithmID(algorithm, |
- SEC_OID_UNKNOWN, SEC_OID_UNKNOWN, NULL, 0, salt, iteration); |
- return algid; |
-} |
- |
-/* |
- * public, fully support pkcs5v2. |
- */ |
-SECAlgorithmID * |
-PK11_CreatePBEV2AlgorithmID(SECOidTag pbeAlgTag, SECOidTag cipherAlgTag, |
- SECOidTag prfAlgTag, int keyLength, int iteration, |
- SECItem *salt) |
-{ |
- SECAlgorithmID *algid = NULL; |
- algid = sec_pkcs5CreateAlgorithmID(pbeAlgTag, cipherAlgTag, prfAlgTag, |
- NULL, keyLength, salt, iteration); |
- return algid; |
-} |
- |
-/* |
- * private. |
- */ |
-PK11SymKey * |
-pk11_RawPBEKeyGenWithKeyType(PK11SlotInfo *slot, CK_MECHANISM_TYPE type, |
- SECItem *params, CK_KEY_TYPE keyType, int keyLen, |
- SECItem *pwitem, void *wincx) |
-{ |
- CK_ULONG pwLen; |
- /* do some sanity checks */ |
- if ((params == NULL) || (params->data == NULL)) { |
- PORT_SetError(SEC_ERROR_INVALID_ARGS); |
- return NULL; |
- } |
- |
- if (type == CKM_INVALID_MECHANISM) { |
- PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); |
- return NULL; |
- } |
- |
- /* set the password pointer in the parameters... */ |
- if (type == CKM_PKCS5_PBKD2) { |
- CK_PKCS5_PBKD2_PARAMS *pbev2_params; |
- if (params->len < sizeof(CK_PKCS5_PBKD2_PARAMS)) { |
- PORT_SetError(SEC_ERROR_INVALID_ARGS); |
- return NULL; |
- } |
- pbev2_params = (CK_PKCS5_PBKD2_PARAMS *)params->data; |
- pbev2_params->pPassword = pwitem->data; |
- pwLen = pwitem->len; |
- pbev2_params->ulPasswordLen = &pwLen; |
- } else { |
- CK_PBE_PARAMS *pbe_params; |
- if (params->len < sizeof(CK_PBE_PARAMS)) { |
- PORT_SetError(SEC_ERROR_INVALID_ARGS); |
- return NULL; |
- } |
- pbe_params = (CK_PBE_PARAMS *)params->data; |
- pbe_params->pPassword = pwitem->data; |
- pbe_params->ulPasswordLen = pwitem->len; |
- } |
- |
- /* generate the key (and sometimes the IV as a side effect...) */ |
- return pk11_TokenKeyGenWithFlagsAndKeyType(slot, type, params, keyType, |
- keyLen, NULL, CKF_SIGN|CKF_ENCRYPT|CKF_DECRYPT|CKF_UNWRAP|CKF_WRAP, |
- 0, wincx); |
-} |
- |
-/* |
- * public, deprecated. use PK11_PBEKeyGen instead. |
- */ |
-PK11SymKey * |
-PK11_RawPBEKeyGen(PK11SlotInfo *slot, CK_MECHANISM_TYPE type, SECItem *mech, |
- SECItem *pwitem, PRBool faulty3DES, void *wincx) |
-{ |
- if(faulty3DES && (type == CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC)) { |
- type = CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC; |
- } |
- return pk11_RawPBEKeyGenWithKeyType(slot, type, mech, -1, 0, pwitem, wincx); |
-} |
- |
-/* |
- * pubic, supports pkcs5 v2. |
- * |
- * Create symkey from a PBE key. The algid can be created with |
- * PK11_CreatePBEV2AlgorithmID and PK11_CreatePBEAlgorithmID, or by |
- * extraction of der data. |
- */ |
-PK11SymKey * |
-PK11_PBEKeyGen(PK11SlotInfo *slot, SECAlgorithmID *algid, SECItem *pwitem, |
- PRBool faulty3DES, void *wincx) |
-{ |
- CK_MECHANISM_TYPE type; |
- SECItem *param = NULL; |
- PK11SymKey *symKey = NULL; |
- SECOidTag pbeAlg; |
- CK_KEY_TYPE keyType = -1; |
- int keyLen = 0; |
- |
- pbeAlg = SECOID_GetAlgorithmTag(algid); |
- /* if we're using PKCS5v2, extract the additional information we need |
- * (key length, key type, and pbeAlg). */ |
- if (sec_pkcs5_is_algorithm_v2_pkcs5_algorithm(pbeAlg)) { |
- CK_MECHANISM_TYPE cipherMech; |
- sec_pkcs5V2Parameter *pbeV2_param; |
- |
- pbeV2_param = sec_pkcs5_v2_get_v2_param(NULL, algid); |
- if (pbeV2_param == NULL) { |
- return NULL; |
- } |
- cipherMech = PK11_AlgtagToMechanism( |
- SECOID_GetAlgorithmTag(&pbeV2_param->cipherAlgId)); |
- pbeAlg = SECOID_GetAlgorithmTag(&pbeV2_param->pbeAlgId); |
- param = PK11_ParamFromAlgid(&pbeV2_param->pbeAlgId); |
- sec_pkcs5_v2_destroy_v2_param(pbeV2_param); |
- keyLen = SEC_PKCS5GetKeyLength(algid); |
- if (keyLen == -1) { |
- keyLen = 0; |
- } |
- keyType = PK11_GetKeyType(cipherMech, keyLen); |
- } else { |
- param = PK11_ParamFromAlgid(algid); |
- } |
- |
- if(param == NULL) { |
- goto loser; |
- } |
- |
- type = PK11_AlgtagToMechanism(pbeAlg); |
- if (type == CKM_INVALID_MECHANISM) { |
- PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); |
- goto loser; |
- } |
- if(faulty3DES && (type == CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC)) { |
- type = CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC; |
- } |
- symKey = pk11_RawPBEKeyGenWithKeyType(slot, type, param, keyType, keyLen, |
- pwitem, wincx); |
- |
-loser: |
- if (param) { |
- SECITEM_ZfreeItem(param, PR_TRUE); |
- } |
- return symKey; |
-} |
- |
-/* |
- * public, supports pkcs5v2 |
- */ |
-SECItem * |
-PK11_GetPBEIV(SECAlgorithmID *algid, SECItem *pwitem) |
-{ |
- return SEC_PKCS5GetIV(algid, pwitem, PR_FALSE); |
-} |
- |
-CK_MECHANISM_TYPE |
-pk11_GetPBECryptoMechanism(SECAlgorithmID *algid, SECItem **param, |
- SECItem *pbe_pwd, PRBool faulty3DES) |
-{ |
- int keyLen = 0; |
- SECOidTag algTag = SEC_PKCS5GetCryptoAlgorithm(algid); |
- CK_MECHANISM_TYPE mech = PK11_AlgtagToMechanism(algTag); |
- CK_MECHANISM_TYPE returnedMechanism = CKM_INVALID_MECHANISM; |
- SECItem *iv = NULL; |
- |
- if (mech == CKM_INVALID_MECHANISM) { |
- PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); |
- goto loser; |
- } |
- if (PK11_GetIVLength(mech)) { |
- iv = SEC_PKCS5GetIV(algid, pbe_pwd, faulty3DES); |
- if (iv == NULL) { |
- goto loser; |
- } |
- } |
- |
- keyLen = SEC_PKCS5GetKeyLength(algid); |
- |
- *param = pk11_ParamFromIVWithLen(mech, iv, keyLen); |
- if (*param == NULL) { |
- goto loser; |
- } |
- returnedMechanism = mech; |
- |
-loser: |
- if (iv) { |
- SECITEM_FreeItem(iv,PR_TRUE); |
- } |
- return returnedMechanism; |
-} |
- |
-/* |
- * Public, supports pkcs5 v2 |
- * |
- * Get the crypto mechanism directly from the pbe algorithmid. |
- * |
- * It's important to go directly from the algorithm id so that we can |
- * handle both the PKCS #5 v1, PKCS #12, and PKCS #5 v2 cases. |
- * |
- * This function returns both the mechanism and the parameter for the mechanism. |
- * The caller is responsible for freeing the parameter. |
- */ |
-CK_MECHANISM_TYPE |
-PK11_GetPBECryptoMechanism(SECAlgorithmID *algid, SECItem **param, |
- SECItem *pbe_pwd) |
-{ |
- return pk11_GetPBECryptoMechanism(algid, param, pbe_pwd, PR_FALSE); |
-} |