/usr/include/firefox/smime.h is in firefox-dev 11.0+build1-0ubuntu4.
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
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/*
* Header file for routines specific to S/MIME. Keep things that are pure
* pkcs7 out of here; this is for S/MIME policy, S/MIME interoperability, etc.
*
* $Id: smime.h,v 1.11 2011/08/21 01:14:18 wtc%google.com Exp $
*/
#ifndef _SECMIME_H_
#define _SECMIME_H_ 1
#include "cms.h"
/************************************************************************/
SEC_BEGIN_PROTOS
/*
* Initialize the local recording of the user S/MIME cipher preferences.
* This function is called once for each cipher, the order being
* important (first call records greatest preference, and so on).
* When finished, it is called with a "which" of CIPHER_FAMILID_MASK.
* If the function is called again after that, it is assumed that
* the preferences are being reset, and the old preferences are
* discarded.
*
* XXX This is for a particular user, and right now the storage is
* XXX local, static. The preference should be stored elsewhere to allow
* XXX for multiple uses of one library? How does SSL handle this;
* XXX it has something similar?
*
* - The "which" values are defined in ciferfam.h (the SMIME_* values,
* for example SMIME_DES_CBC_56).
* - If "on" is non-zero then the named cipher is enabled, otherwise
* it is disabled. (It is not necessary to call the function for
* ciphers that are disabled, however, as that is the default.)
*
* If the cipher preference is successfully recorded, SECSuccess
* is returned. Otherwise SECFailure is returned. The only errors
* are due to failure allocating memory or bad parameters/calls:
* SEC_ERROR_XXX ("which" is not in the S/MIME cipher family)
* SEC_ERROR_XXX (function is being called more times than there
* are known/expected ciphers)
*/
extern SECStatus NSS_SMIMEUtil_EnableCipher(long which, int on);
/*
* Initialize the local recording of the S/MIME policy.
* This function is called to allow/disallow a particular cipher.
*
* XXX This is for the current module, I think, so local, static storage
* XXX is okay. Is that correct, or could multiple uses of the same
* XXX library expect to operate under different policies?
*
* - The "which" values are defined in ciferfam.h (the SMIME_* values,
* for example SMIME_DES_CBC_56).
* - If "on" is non-zero then the named cipher is enabled, otherwise
* it is disabled.
*/
extern SECStatus NSS_SMIMEUtils_AllowCipher(long which, int on);
/*
* Does the current policy allow S/MIME decryption of this particular
* algorithm and keysize?
*/
extern PRBool NSS_SMIMEUtil_DecryptionAllowed(SECAlgorithmID *algid, PK11SymKey *key);
/*
* Does the current policy allow *any* S/MIME encryption (or decryption)?
*
* This tells whether or not *any* S/MIME encryption can be done,
* according to policy. Callers may use this to do nicer user interface
* (say, greying out a checkbox so a user does not even try to encrypt
* a message when they are not allowed to) or for any reason they want
* to check whether S/MIME encryption (or decryption, for that matter)
* may be done.
*
* It takes no arguments. The return value is a simple boolean:
* PR_TRUE means encryption (or decryption) is *possible*
* (but may still fail due to other reasons, like because we cannot
* find all the necessary certs, etc.; PR_TRUE is *not* a guarantee)
* PR_FALSE means encryption (or decryption) is not permitted
*
* There are no errors from this routine.
*/
extern PRBool NSS_SMIMEUtil_EncryptionPossible(void);
/*
* NSS_SMIMEUtil_CreateSMIMECapabilities - get S/MIME capabilities attr value
*
* scans the list of allowed and enabled ciphers and construct a PKCS9-compliant
* S/MIME capabilities attribute value.
*/
extern SECStatus NSS_SMIMEUtil_CreateSMIMECapabilities(PLArenaPool *poolp, SECItem *dest);
/*
* NSS_SMIMEUtil_CreateSMIMEEncKeyPrefs - create S/MIME encryption key preferences attr value
*/
extern SECStatus NSS_SMIMEUtil_CreateSMIMEEncKeyPrefs(PLArenaPool *poolp, SECItem *dest, CERTCertificate *cert);
/*
* NSS_SMIMEUtil_CreateMSSMIMEEncKeyPrefs - create S/MIME encryption key preferences attr value using MS oid
*/
extern SECStatus NSS_SMIMEUtil_CreateMSSMIMEEncKeyPrefs(PLArenaPool *poolp, SECItem *dest, CERTCertificate *cert);
/*
* NSS_SMIMEUtil_GetCertFromEncryptionKeyPreference - find cert marked by EncryptionKeyPreference
* attribute
*/
extern CERTCertificate *NSS_SMIMEUtil_GetCertFromEncryptionKeyPreference(CERTCertDBHandle *certdb, SECItem *DERekp);
/*
* NSS_SMIMEUtil_FindBulkAlgForRecipients - find bulk algorithm suitable for all recipients
*/
extern SECStatus
NSS_SMIMEUtil_FindBulkAlgForRecipients(CERTCertificate **rcerts, SECOidTag *bulkalgtag, int *keysize);
/*
* Return a boolean that indicates whether the underlying library
* will perform as the caller expects.
*
* The only argument is a string, which should be the version
* identifier of the NSS library. That string will be compared
* against a string that represents the actual build version of
* the S/MIME library. It also invokes the version checking functions
* of the dependent libraries such as NSPR.
*/
extern PRBool NSSSMIME_VersionCheck(const char *importedVersion);
/*
* Returns a const string of the S/MIME library version.
*/
extern const char *NSSSMIME_GetVersion(void);
/************************************************************************/
SEC_END_PROTOS
#endif /* _SECMIME_H_ */
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