f5767f56d0605a86b49d8f80a6a163ebb48c67ec
[openssl.git] / include / openssl / modes.h
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
11 extern "C" {
12 #endif
13 typedef void (*block128_f) (const unsigned char in[16],
14                             unsigned char out[16], const void *key);
15
16 typedef 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
20 typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
21                           size_t blocks, const void *key,
22                           const unsigned char ivec[16]);
23
24 typedef 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
29 void 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);
32 void 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
36 void 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
42 void 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
48 void 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
53 void 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);
57 void 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);
61 void 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
66 size_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);
70 size_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);
73 size_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);
77 size_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
81 size_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);
86 size_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);
89 size_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);
94 size_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
98 typedef struct gcm128_context GCM128_CONTEXT;
99
100 GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
101 void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
102 void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
103                          size_t len);
104 int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
105                       size_t len);
106 int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
107                           const unsigned char *in, unsigned char *out,
108                           size_t len);
109 int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
110                           const unsigned char *in, unsigned char *out,
111                           size_t len);
112 int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
113                                 const unsigned char *in, unsigned char *out,
114                                 size_t len, ctr128_f stream);
115 int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
116                                 const unsigned char *in, unsigned char *out,
117                                 size_t len, ctr128_f stream);
118 int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
119                          size_t len);
120 void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
121 void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
122
123 typedef struct ccm128_context CCM128_CONTEXT;
124
125 void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
126                         unsigned int M, unsigned int L, void *key,
127                         block128_f block);
128 int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
129                         size_t nlen, size_t mlen);
130 void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
131                        size_t alen);
132 int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
133                           unsigned char *out, size_t len);
134 int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
135                           unsigned char *out, size_t len);
136 int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
137                                 unsigned char *out, size_t len,
138                                 ccm128_f stream);
139 int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
140                                 unsigned char *out, size_t len,
141                                 ccm128_f stream);
142 size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
143
144 typedef struct xts128_context XTS128_CONTEXT;
145
146 int 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 size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
152                        unsigned char *out,
153                        const unsigned char *in, size_t inlen,
154                        block128_f block);
155
156 size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
157                          unsigned char *out,
158                          const unsigned char *in, size_t inlen,
159                          block128_f block);
160 size_t CRYPTO_128_wrap_pad(void *key, const unsigned char *icv,
161                            unsigned char *out, const unsigned char *in,
162                            size_t inlen, block128_f block);
163 size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv,
164                              unsigned char *out, const unsigned char *in,
165                              size_t inlen, block128_f block);
166
167 #ifndef OPENSSL_NO_OCB
168 typedef struct ocb128_context OCB128_CONTEXT;
169
170 OCB128_CONTEXT *CRYPTO_ocb128_new(void *keyenc, void *keydec,
171                                   block128_f encrypt, block128_f decrypt);
172 int CRYPTO_ocb128_init(OCB128_CONTEXT *ctx, void *keyenc, void *keydec,
173                        block128_f encrypt, block128_f decrypt);
174 int CRYPTO_ocb128_copy_ctx(OCB128_CONTEXT *dest, OCB128_CONTEXT *src,
175                            void *keyenc, void *keydec);
176 int CRYPTO_ocb128_setiv(OCB128_CONTEXT *ctx, const unsigned char *iv,
177                         size_t len, size_t taglen);
178 int CRYPTO_ocb128_aad(OCB128_CONTEXT *ctx, const unsigned char *aad,
179                       size_t len);
180 int CRYPTO_ocb128_encrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
181                           unsigned char *out, size_t len);
182 int CRYPTO_ocb128_decrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
183                           unsigned char *out, size_t len);
184 int CRYPTO_ocb128_finish(OCB128_CONTEXT *ctx, const unsigned char *tag,
185                          size_t len);
186 int CRYPTO_ocb128_tag(OCB128_CONTEXT *ctx, unsigned char *tag, size_t len);
187 void CRYPTO_ocb128_cleanup(OCB128_CONTEXT *ctx);
188 #endif                          /* OPENSSL_NO_OCB */
189
190 #ifdef  __cplusplus
191 }
192 #endif