Delete bundled copy of NSS and replace with README.

nss/lib/pkcs7/secmime.h

Index: nss/lib/pkcs7/secmime.h
diff --git a/nss/lib/pkcs7/secmime.h b/nss/lib/pkcs7/secmime.h
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index a813d853ebc27171304de5e9c6d503e6a3985f28..0000000000000000000000000000000000000000
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-/* 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_ */