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1 /* Software-Based Trusted Platform Module (TPM) Emulator for Linux | 1 /* Software-based Trusted Platform Module (TPM) Emulator |
2 * Copyright (C) 2004 Mario Strasser <mast@gmx.net>, | 2 * Copyright (C) 2004-2010 Mario Strasser <mast@gmx.net> |
3 * Swiss Federal Institute of Technology (ETH) Zurich | |
4 * | 3 * |
5 * This module is free software; you can redistribute it and/or modify | 4 * This module is free software; you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License as published | 5 * it under the terms of the GNU General Public License as published |
7 * by the Free Software Foundation; either version 2 of the License, | 6 * by the Free Software Foundation; either version 2 of the License, |
8 * or (at your option) any later version. | 7 * or (at your option) any later version. |
9 * | 8 * |
10 * This module is distributed in the hope that it will be useful, | 9 * This module is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 * GNU General Public License for more details. | 12 * GNU General Public License for more details. |
14 * | 13 * |
15 * $Id$ | 14 * $Id: rc4.h 364 2010-02-11 10:24:45Z mast $ |
16 */ | 15 */ |
17 | 16 |
18 #ifndef _RC4_H_ | 17 #ifndef _RC4_H_ |
19 #define _RC4_H_ | 18 #define _RC4_H_ |
20 | 19 |
21 #include <stddef.h> | 20 #include <stddef.h> |
22 #include <stdint.h> | 21 #include <stdint.h> |
23 | 22 |
24 typedef struct { | 23 typedef struct { |
25 uint8_t state[256]; | 24 uint8_t state[256]; |
26 uint8_t x, y; | 25 uint8_t x, y; |
27 } tpm_rc4_ctx_t; | 26 } tpm_rc4_ctx_t; |
28 | 27 |
29 void tpm_rc4_init(tpm_rc4_ctx_t *s, uint8_t *key, size_t key_len); | 28 void tpm_rc4_init(tpm_rc4_ctx_t *s, uint8_t *key, size_t key_len); |
30 | 29 |
31 void tpm_rc4_crypt(tpm_rc4_ctx_t *s, uint8_t *in, uint8_t *out, size_t length); | 30 void tpm_rc4_crypt(tpm_rc4_ctx_t *s, uint8_t *in, uint8_t *out, size_t length); |
32 | 31 |
33 #endif /* _RC4_h_ */ | 32 #endif /* _RC4_h_ */ |
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