security/nss/lib/freebl/cts.h

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6474c204b198
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5 #ifndef CTS_H
6 #define CTS_H 1
7
8 #include "blapii.h"
9
10 typedef struct CTSContextStr CTSContext;
11
12 /*
13 * The context argument is the inner cipher context to use with cipher. The
14 * CTSContext does not own context. context needs to remain valid for as long
15 * as the CTSContext is valid.
16 *
17 * The cipher argument is a block cipher in the CBC mode.
18 */
19 CTSContext *CTS_CreateContext(void *context, freeblCipherFunc cipher,
20 const unsigned char *iv, unsigned int blocksize);
21
22 void CTS_DestroyContext(CTSContext *cts, PRBool freeit);
23
24 SECStatus CTS_EncryptUpdate(CTSContext *cts, unsigned char *outbuf,
25 unsigned int *outlen, unsigned int maxout,
26 const unsigned char *inbuf, unsigned int inlen,
27 unsigned int blocksize);
28 SECStatus CTS_DecryptUpdate(CTSContext *cts, unsigned char *outbuf,
29 unsigned int *outlen, unsigned int maxout,
30 const unsigned char *inbuf, unsigned int inlen,
31 unsigned int blocksize);
32
33 #endif

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