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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 * SECStatus cipher(void *cx, unsigned char *output, |
| 19 * unsigned int *outputLen, unsigned int maxOutputLen, |
| 20 * const unsigned char *input, unsigned int inputLen, |
| 21 * unsigned int blocksize); |
| 22 * inputLen is always a multiple of blocksize and never 0. |
| 23 * XXX rijndael_encryptCBC and rijndael_decryptCBC do not set the *outputLen |
| 24 * output argument. |
| 25 */ |
| 26 CTSContext *CTS_CreateContext(void *context, freeblCipherFunc cipher, |
| 27 const unsigned char *iv, unsigned int blocksize); |
| 28 |
| 29 void CTS_DestroyContext(CTSContext *cts, PRBool freeit); |
| 30 |
| 31 SECStatus CTS_EncryptUpdate(CTSContext *cts, unsigned char *outbuf, |
| 32 unsigned int *outlen, unsigned int maxout, |
| 33 const unsigned char *inbuf, unsigned int inlen, |
| 34 unsigned int blocksize); |
| 35 SECStatus CTS_DecryptUpdate(CTSContext *cts, unsigned char *outbuf, |
| 36 unsigned int *outlen, unsigned int maxout, |
| 37 const unsigned char *inbuf, unsigned int inlen, |
| 38 unsigned int blocksize); |
| 39 |
| 40 #endif |
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