modes.h revision 280304 
1/* ====================================================================
2 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
3 *
4 * Rights for redistribution and usage in source and binary
5 * forms are granted according to the OpenSSL license.
6 */
7
8#include <stddef.h>
9
10#ifdef  __cplusplus
11extern "C" {
12#endif
13typedef void (*block128_f) (const unsigned char in[16],
14                            unsigned char out[16], const void *key);
15
16typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
17                          size_t len, const void *key,
18                          unsigned char ivec[16], int enc);
19
20typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
21                          size_t blocks, const void *key,
22                          const unsigned char ivec[16]);
23
24typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
25                          size_t blocks, const void *key,
26                          const unsigned char ivec[16],
27                          unsigned char cmac[16]);
28
29void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
30                           size_t len, const void *key,
31                           unsigned char ivec[16], block128_f block);
32void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
33                           size_t len, const void *key,
34                           unsigned char ivec[16], block128_f block);
35
36void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
37                           size_t len, const void *key,
38                           unsigned char ivec[16],
39                           unsigned char ecount_buf[16], unsigned int *num,
40                           block128_f block);
41
42void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
43                                 size_t len, const void *key,
44                                 unsigned char ivec[16],
45                                 unsigned char ecount_buf[16],
46                                 unsigned int *num, ctr128_f ctr);
47
48void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
49                           size_t len, const void *key,
50                           unsigned char ivec[16], int *num,
51                           block128_f block);
52
53void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
54                           size_t len, const void *key,
55                           unsigned char ivec[16], int *num,
56                           int enc, block128_f block);
57void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
58                             size_t length, const void *key,
59                             unsigned char ivec[16], int *num,
60                             int enc, block128_f block);
61void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
62                             size_t bits, const void *key,
63                             unsigned char ivec[16], int *num,
64                             int enc, block128_f block);
65
66size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
67                                   unsigned char *out, size_t len,
68                                   const void *key, unsigned char ivec[16],
69                                   block128_f block);
70size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
71                             size_t len, const void *key,
72                             unsigned char ivec[16], cbc128_f cbc);
73size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
74                                   unsigned char *out, size_t len,
75                                   const void *key, unsigned char ivec[16],
76                                   block128_f block);
77size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
78                             size_t len, const void *key,
79                             unsigned char ivec[16], cbc128_f cbc);
80
81size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
82                                       unsigned char *out, size_t len,
83                                       const void *key,
84                                       unsigned char ivec[16],
85                                       block128_f block);
86size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
87                                 size_t len, const void *key,
88                                 unsigned char ivec[16], cbc128_f cbc);
89size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
90                                       unsigned char *out, size_t len,
91                                       const void *key,
92                                       unsigned char ivec[16],
93                                       block128_f block);
94size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
95                                 size_t len, const void *key,
96                                 unsigned char ivec[16], cbc128_f cbc);
97
98typedef struct gcm128_context GCM128_CONTEXT;
99
100GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
101void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
102void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
103                         size_t len);
104int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
105                      size_t len);
106int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
107                          const unsigned char *in, unsigned char *out,
108                          size_t len);
109int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
110                          const unsigned char *in, unsigned char *out,
111                          size_t len);
112int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
113                                const unsigned char *in, unsigned char *out,
114                                size_t len, ctr128_f stream);
115int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
116                                const unsigned char *in, unsigned char *out,
117                                size_t len, ctr128_f stream);
118int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
119                         size_t len);
120void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
121void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
122
123typedef struct ccm128_context CCM128_CONTEXT;
124
125void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
126                        unsigned int M, unsigned int L, void *key,
127                        block128_f block);
128int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
129                        size_t nlen, size_t mlen);
130void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
131                       size_t alen);
132int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
133                          unsigned char *out, size_t len);
134int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
135                          unsigned char *out, size_t len);
136int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
137                                unsigned char *out, size_t len,
138                                ccm128_f stream);
139int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
140                                unsigned char *out, size_t len,
141                                ccm128_f stream);
142size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
143
144typedef struct xts128_context XTS128_CONTEXT;
145
146int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
147                          const unsigned char iv[16],
148                          const unsigned char *inp, unsigned char *out,
149                          size_t len, int enc);
150
151#ifdef  __cplusplus
152}
153#endif
154