michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef CTS_H
michael@0: #define CTS_H 1
michael@0: 
michael@0: #include "blapii.h"
michael@0: 
michael@0: typedef struct CTSContextStr CTSContext;
michael@0: 
michael@0: /*
michael@0:  * The context argument is the inner cipher context to use with cipher. The
michael@0:  * CTSContext does not own context. context needs to remain valid for as long
michael@0:  * as the CTSContext is valid.
michael@0:  *
michael@0:  * The cipher argument is a block cipher in the CBC mode.
michael@0:  */
michael@0: CTSContext *CTS_CreateContext(void *context, freeblCipherFunc cipher,
michael@0: 			const unsigned char *iv, unsigned int blocksize);
michael@0: 
michael@0: void CTS_DestroyContext(CTSContext *cts, PRBool freeit);
michael@0: 
michael@0: SECStatus CTS_EncryptUpdate(CTSContext *cts, unsigned char *outbuf,
michael@0: 			unsigned int *outlen, unsigned int maxout,
michael@0: 			const unsigned char *inbuf, unsigned int inlen,
michael@0: 			unsigned int blocksize);
michael@0: SECStatus CTS_DecryptUpdate(CTSContext *cts, unsigned char *outbuf,
michael@0: 			unsigned int *outlen, unsigned int maxout,
michael@0: 			const unsigned char *inbuf, unsigned int inlen,
michael@0: 			unsigned int blocksize);
michael@0: 
michael@0: #endif