PolarSSL v1.3.1
aes.h
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1 
27 #ifndef POLARSSL_AES_H
28 #define POLARSSL_AES_H
29 
30 #include "config.h"
31 
32 #include <string.h>
33 
34 #ifdef _MSC_VER
35 #include <basetsd.h>
36 typedef UINT32 uint32_t;
37 #else
38 #include <inttypes.h>
39 #endif
40 
41 #define AES_ENCRYPT 1
42 #define AES_DECRYPT 0
43 
44 #define POLARSSL_ERR_AES_INVALID_KEY_LENGTH -0x0020
45 #define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH -0x0022
47 #if !defined(POLARSSL_AES_ALT)
48 // Regular implementation
49 //
50 
51 #ifdef __cplusplus
52 extern "C" {
53 #endif
54 
58 typedef struct
59 {
60  int nr;
61  uint32_t *rk;
62  uint32_t buf[68];
63 }
65 
75 int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int keysize );
76 
86 int aes_setkey_dec( aes_context *ctx, const unsigned char *key, unsigned int keysize );
87 
98 int aes_crypt_ecb( aes_context *ctx,
99  int mode,
100  const unsigned char input[16],
101  unsigned char output[16] );
102 
103 #if defined(POLARSSL_CIPHER_MODE_CBC)
104 
118 int aes_crypt_cbc( aes_context *ctx,
119  int mode,
120  size_t length,
121  unsigned char iv[16],
122  const unsigned char *input,
123  unsigned char *output );
124 #endif /* POLARSSL_CIPHER_MODE_CBC */
125 
143 int aes_crypt_cfb128( aes_context *ctx,
144  int mode,
145  size_t length,
146  size_t *iv_off,
147  unsigned char iv[16],
148  const unsigned char *input,
149  unsigned char *output );
150 
173 int aes_crypt_ctr( aes_context *ctx,
174  size_t length,
175  size_t *nc_off,
176  unsigned char nonce_counter[16],
177  unsigned char stream_block[16],
178  const unsigned char *input,
179  unsigned char *output );
180 
181 #ifdef __cplusplus
182 }
183 #endif
184 
185 #else /* POLARSSL_AES_ALT */
186 #include "aes_alt.h"
187 #endif /* POLARSSL_AES_ALT */
188 
189 #ifdef __cplusplus
190 extern "C" {
191 #endif
192 
198 int aes_self_test( int verbose );
199 
200 #ifdef __cplusplus
201 }
202 #endif
203 
204 #endif /* aes.h */