mbed TLS v2.7.16
xtea.h
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1 
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51 #ifndef MBEDTLS_XTEA_H
52 #define MBEDTLS_XTEA_H
53 
54 #if !defined(MBEDTLS_CONFIG_FILE)
55 #include "config.h"
56 #else
57 #include MBEDTLS_CONFIG_FILE
58 #endif
59 
60 #include <stddef.h>
61 #include <stdint.h>
62 
63 #define MBEDTLS_XTEA_ENCRYPT 1
64 #define MBEDTLS_XTEA_DECRYPT 0
65 
66 #define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028
67 #define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029
69 #if !defined(MBEDTLS_XTEA_ALT)
70 // Regular implementation
71 //
72 
73 #ifdef __cplusplus
74 extern "C" {
75 #endif
76 
80 typedef struct
81 {
82  uint32_t k[4];
83 }
85 
92 
99 
106 void mbedtls_xtea_setup( mbedtls_xtea_context *ctx, const unsigned char key[16] );
107 
119  int mode,
120  const unsigned char input[8],
121  unsigned char output[8] );
122 
123 #if defined(MBEDTLS_CIPHER_MODE_CBC)
124 
138  int mode,
139  size_t length,
140  unsigned char iv[8],
141  const unsigned char *input,
142  unsigned char *output);
143 #endif /* MBEDTLS_CIPHER_MODE_CBC */
144 
145 #ifdef __cplusplus
146 }
147 #endif
148 
149 #else /* MBEDTLS_XTEA_ALT */
150 #include "xtea_alt.h"
151 #endif /* MBEDTLS_XTEA_ALT */
152 
153 #ifdef __cplusplus
154 extern "C" {
155 #endif
156 
162 int mbedtls_xtea_self_test( int verbose );
163 
164 #ifdef __cplusplus
165 }
166 #endif
167 
168 #endif /* xtea.h */
int mbedtls_xtea_crypt_ecb(mbedtls_xtea_context *ctx, int mode, const unsigned char input[8], unsigned char output[8])
XTEA cipher function.
int mbedtls_xtea_crypt_cbc(mbedtls_xtea_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)
XTEA CBC cipher function.
void mbedtls_xtea_free(mbedtls_xtea_context *ctx)
Clear XTEA context.
Configuration options (set of defines)
void mbedtls_xtea_init(mbedtls_xtea_context *ctx)
Initialize XTEA context.
void mbedtls_xtea_setup(mbedtls_xtea_context *ctx, const unsigned char key[16])
XTEA key schedule.
int mbedtls_xtea_self_test(int verbose)
Checkup routine.
XTEA context structure.
Definition: xtea.h:80