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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/. */

 #ifndef GCM_H

 #define GCM_H 1

 #include "blapii.h"

 typedef struct GCMContextStr GCMContext;

 /*

  * The context argument is the inner cipher context to use with cipher. The

  * GCMContext does not own context. context needs to remain valid for as long

  * as the GCMContext is valid.

  *

  * The cipher argument is a block cipher in the ECB encrypt mode.

  */

 GCMContext * GCM_CreateContext(void *context, freeblCipherFunc cipher,

 			const unsigned char *params, unsigned int blocksize);

 void GCM_DestroyContext(GCMContext *gcm, PRBool freeit);

 SECStatus GCM_EncryptUpdate(GCMContext  *gcm, unsigned char *outbuf,

 			unsigned int *outlen, unsigned int maxout,

 			const unsigned char *inbuf, unsigned int inlen,

 			unsigned int blocksize);

 SECStatus GCM_DecryptUpdate(GCMContext *gcm, unsigned char *outbuf,

 			unsigned int *outlen, unsigned int maxout,

 			const unsigned char *inbuf, unsigned int inlen,

 			unsigned int blocksize);

 #endif