mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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4453811aee
--HG-- rename : security/nss/lib/freebl/sechash.h => security/nss/lib/cryptohi/sechash.h rename : security/nss/lib/softoken/secmodt.h => security/nss/lib/pk11wrap/secmodt.h rename : security/nss/lib/freebl/hasht.h => security/nss/lib/util/hasht.h extra : rebase_source : 7da6cd73ca2605a261085ad7fb3b90315e38ad6b
126 lines
2.8 KiB
C
126 lines
2.8 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "p12plcy.h"
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#include "secoid.h"
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#include "secport.h"
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#include "secpkcs5.h"
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#define PKCS12_NULL 0x0000
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typedef struct pkcs12SuiteMapStr {
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SECOidTag algTag;
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unsigned int keyLengthBits; /* in bits */
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unsigned long suite;
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PRBool allowed;
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PRBool preferred;
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} pkcs12SuiteMap;
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static pkcs12SuiteMap pkcs12SuiteMaps[] = {
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{ SEC_OID_RC4, 40, PKCS12_RC4_40, PR_FALSE, PR_FALSE},
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{ SEC_OID_RC4, 128, PKCS12_RC4_128, PR_FALSE, PR_FALSE},
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{ SEC_OID_RC2_CBC, 40, PKCS12_RC2_CBC_40, PR_FALSE, PR_TRUE},
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{ SEC_OID_RC2_CBC, 128, PKCS12_RC2_CBC_128, PR_FALSE, PR_FALSE},
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{ SEC_OID_DES_CBC, 64, PKCS12_DES_56, PR_FALSE, PR_FALSE},
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{ SEC_OID_DES_EDE3_CBC, 192, PKCS12_DES_EDE3_168, PR_FALSE, PR_FALSE},
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{ SEC_OID_UNKNOWN, 0, PKCS12_NULL, PR_FALSE, PR_FALSE},
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{ SEC_OID_UNKNOWN, 0, 0L, PR_FALSE, PR_FALSE}
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};
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/* determine if algid is an algorithm which is allowed */
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PRBool
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SEC_PKCS12DecryptionAllowed(SECAlgorithmID *algid)
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{
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unsigned int keyLengthBits;
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SECOidTag algId;
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int i;
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algId = SEC_PKCS5GetCryptoAlgorithm(algid);
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if(algId == SEC_OID_UNKNOWN) {
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return PR_FALSE;
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}
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keyLengthBits = (unsigned int)(SEC_PKCS5GetKeyLength(algid) * 8);
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i = 0;
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while(pkcs12SuiteMaps[i].algTag != SEC_OID_UNKNOWN) {
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if((pkcs12SuiteMaps[i].algTag == algId) &&
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(pkcs12SuiteMaps[i].keyLengthBits == keyLengthBits)) {
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return pkcs12SuiteMaps[i].allowed;
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}
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i++;
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}
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return PR_FALSE;
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}
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/* is any encryption allowed? */
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PRBool
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SEC_PKCS12IsEncryptionAllowed(void)
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{
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int i;
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i = 0;
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while(pkcs12SuiteMaps[i].algTag != SEC_OID_UNKNOWN) {
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if(pkcs12SuiteMaps[i].allowed == PR_TRUE) {
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return PR_TRUE;
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}
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i++;
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}
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return PR_FALSE;
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}
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SECStatus
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SEC_PKCS12EnableCipher(long which, int on)
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{
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int i;
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i = 0;
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while(pkcs12SuiteMaps[i].suite != 0L) {
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if(pkcs12SuiteMaps[i].suite == (unsigned long)which) {
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if(on) {
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pkcs12SuiteMaps[i].allowed = PR_TRUE;
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} else {
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pkcs12SuiteMaps[i].allowed = PR_FALSE;
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}
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return SECSuccess;
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}
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i++;
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}
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return SECFailure;
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}
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SECStatus
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SEC_PKCS12SetPreferredCipher(long which, int on)
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{
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int i;
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PRBool turnedOff = PR_FALSE;
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PRBool turnedOn = PR_FALSE;
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i = 0;
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while(pkcs12SuiteMaps[i].suite != 0L) {
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if(pkcs12SuiteMaps[i].preferred == PR_TRUE) {
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pkcs12SuiteMaps[i].preferred = PR_FALSE;
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turnedOff = PR_TRUE;
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}
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if(pkcs12SuiteMaps[i].suite == (unsigned long)which) {
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pkcs12SuiteMaps[i].preferred = PR_TRUE;
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turnedOn = PR_TRUE;
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}
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i++;
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}
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if((turnedOn) && (turnedOff)) {
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return SECSuccess;
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}
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return SECFailure;
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}
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