mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-16 04:20:32 +01:00
162 lines
6.6 KiB
C
162 lines
6.6 KiB
C
/* 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/. */
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _SECMIME_H_
|
|
#define _SECMIME_H_ 1
|
|
|
|
#include "secpkcs7.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 SECMIME_EnableCipher(long which, int on);
|
|
|
|
/*
|
|
* Initialize the local recording of the S/MIME policy.
|
|
* This function is called to enable/disable a particular cipher.
|
|
* (S/MIME encryption or decryption using a particular cipher is only
|
|
* allowed if that cipher is currently enabled.) At startup, all S/MIME
|
|
* ciphers are disabled. From that point, this function can be called
|
|
* to enable a cipher -- it is not necessary to call this to disable
|
|
* a cipher unless that cipher was previously, explicitly enabled via
|
|
* this function.
|
|
*
|
|
* XXX This is for a 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.
|
|
*
|
|
* If the cipher is successfully enabled/disabled, SECSuccess is
|
|
* returned. Otherwise SECFailure is returned. The only errors
|
|
* are due to bad parameters:
|
|
* SEC_ERROR_XXX ("which" is not in the S/MIME cipher family)
|
|
* SEC_ERROR_XXX ("which" exceeds expected maximum cipher; this is
|
|
* really an internal error)
|
|
*/
|
|
extern SECStatus SECMIME_SetPolicy(long which, int on);
|
|
|
|
/*
|
|
* Does the current policy allow S/MIME decryption of this particular
|
|
* algorithm and keysize?
|
|
*/
|
|
extern PRBool SECMIME_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 SECMIME_EncryptionPossible(void);
|
|
|
|
/*
|
|
* Start an S/MIME encrypting context.
|
|
*
|
|
* "scert" is the cert for the sender. It will be checked for validity.
|
|
* "rcerts" are the certs for the recipients. They will also be checked.
|
|
*
|
|
* "certdb" is the cert database to use for verifying the certs.
|
|
* It can be NULL if a default database is available (like in the client).
|
|
*
|
|
* This function already does all of the stuff specific to S/MIME protocol
|
|
* and local policy; the return value just needs to be passed to
|
|
* SEC_PKCS7Encode() or to SEC_PKCS7EncoderStart() to create the encoded data,
|
|
* and finally to SEC_PKCS7DestroyContentInfo().
|
|
*
|
|
* An error results in a return value of NULL and an error set.
|
|
* (Retrieve specific errors via PORT_GetError()/XP_GetError().)
|
|
*/
|
|
extern SEC_PKCS7ContentInfo *SECMIME_CreateEncrypted(CERTCertificate *scert,
|
|
CERTCertificate **rcerts,
|
|
CERTCertDBHandle *certdb,
|
|
SECKEYGetPasswordKey pwfn,
|
|
void *pwfn_arg);
|
|
|
|
/*
|
|
* Start an S/MIME signing context.
|
|
*
|
|
* "scert" is the cert that will be used to sign the data. It will be
|
|
* checked for validity.
|
|
*
|
|
* "certdb" is the cert database to use for verifying the cert.
|
|
* It can be NULL if a default database is available (like in the client).
|
|
*
|
|
* "digestalg" names the digest algorithm. (It should be SEC_OID_SHA1;
|
|
* XXX There should be SECMIME functions for hashing, or the hashing should
|
|
* be built into this interface, which we would like because we would
|
|
* support more smartcards that way, and then this argument should go away.)
|
|
*
|
|
* "digest" is the actual digest of the data. It must be provided in
|
|
* the case of detached data or NULL if the content will be included.
|
|
*
|
|
* This function already does all of the stuff specific to S/MIME protocol
|
|
* and local policy; the return value just needs to be passed to
|
|
* SEC_PKCS7Encode() or to SEC_PKCS7EncoderStart() to create the encoded data,
|
|
* and finally to SEC_PKCS7DestroyContentInfo().
|
|
*
|
|
* An error results in a return value of NULL and an error set.
|
|
* (Retrieve specific errors via PORT_GetError()/XP_GetError().)
|
|
*/
|
|
extern SEC_PKCS7ContentInfo *SECMIME_CreateSigned(CERTCertificate *scert,
|
|
CERTCertificate *ecert,
|
|
CERTCertDBHandle *certdb,
|
|
SECOidTag digestalg,
|
|
SECItem *digest,
|
|
SECKEYGetPasswordKey pwfn,
|
|
void *pwfn_arg);
|
|
|
|
/************************************************************************/
|
|
SEC_END_PROTOS
|
|
|
|
#endif /* _SECMIME_H_ */
|