andre@0: /* This Source Code Form is subject to the terms of the Mozilla Public
andre@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
andre@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
andre@0: 
andre@0: #ifndef GCM_H
andre@0: #define GCM_H 1
andre@0: 
andre@0: #include "blapii.h"
andre@0: 
andre@0: typedef struct GCMContextStr GCMContext;
andre@0: 
andre@0: /*
andre@0:  * The context argument is the inner cipher context to use with cipher. The
andre@0:  * GCMContext does not own context. context needs to remain valid for as long
andre@0:  * as the GCMContext is valid.
andre@0:  *
andre@0:  * The cipher argument is a block cipher in the ECB encrypt mode.
andre@0:  */
andre@0: GCMContext * GCM_CreateContext(void *context, freeblCipherFunc cipher,
andre@0: 			const unsigned char *params, unsigned int blocksize);
andre@0: void GCM_DestroyContext(GCMContext *gcm, PRBool freeit);
andre@0: SECStatus GCM_EncryptUpdate(GCMContext  *gcm, unsigned char *outbuf,
andre@0: 			unsigned int *outlen, unsigned int maxout,
andre@0: 			const unsigned char *inbuf, unsigned int inlen,
andre@0: 			unsigned int blocksize);
andre@0: SECStatus GCM_DecryptUpdate(GCMContext *gcm, unsigned char *outbuf,
andre@0: 			unsigned int *outlen, unsigned int maxout,
andre@0: 			const unsigned char *inbuf, unsigned int inlen,
andre@0: 			unsigned int blocksize);
andre@0: 
andre@0: #endif