mbed TLS v2.16.12
poly1305.h
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1 
15 /*
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58 
59 #ifndef MBEDTLS_POLY1305_H
60 #define MBEDTLS_POLY1305_H
61 
62 #if !defined(MBEDTLS_CONFIG_FILE)
63 #include "config.h"
64 #else
65 #include MBEDTLS_CONFIG_FILE
66 #endif
67 
68 #include <stdint.h>
69 #include <stddef.h>
70 
72 #define MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA -0x0057
73 
74 /* MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE is deprecated and should not be
75  * used. */
77 #define MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE -0x0059
78 
79 /* MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED is deprecated and should not be used.
80  */
82 #define MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED -0x005B
83 
84 #ifdef __cplusplus
85 extern "C" {
86 #endif
87 
88 #if !defined(MBEDTLS_POLY1305_ALT)
89 
91 {
92  uint32_t r[4];
93  uint32_t s[4];
94  uint32_t acc[5];
95  uint8_t queue[16];
96  size_t queue_len;
97 }
99 
100 #else /* MBEDTLS_POLY1305_ALT */
101 #include "poly1305_alt.h"
102 #endif /* MBEDTLS_POLY1305_ALT */
103 
120 
130 
145  const unsigned char key[32] );
146 
166  const unsigned char *input,
167  size_t ilen );
168 
182  unsigned char mac[16] );
183 
202 int mbedtls_poly1305_mac( const unsigned char key[32],
203  const unsigned char *input,
204  size_t ilen,
205  unsigned char mac[16] );
206 
207 #if defined(MBEDTLS_SELF_TEST)
214 int mbedtls_poly1305_self_test( int verbose );
215 #endif /* MBEDTLS_SELF_TEST */
216 
217 #ifdef __cplusplus
218 }
219 #endif
220 
221 #endif /* MBEDTLS_POLY1305_H */
Configuration options (set of defines)
struct mbedtls_poly1305_context mbedtls_poly1305_context
int mbedtls_poly1305_self_test(int verbose)
The Poly1305 checkup routine.
int mbedtls_poly1305_update(mbedtls_poly1305_context *ctx, const unsigned char *input, size_t ilen)
This functions feeds an input buffer into an ongoing Poly1305 computation.
int mbedtls_poly1305_mac(const unsigned char key[32], const unsigned char *input, size_t ilen, unsigned char mac[16])
This function calculates the Poly1305 MAC of the input buffer with the provided key.
int mbedtls_poly1305_finish(mbedtls_poly1305_context *ctx, unsigned char mac[16])
This function generates the Poly1305 Message Authentication Code (MAC).
void mbedtls_poly1305_init(mbedtls_poly1305_context *ctx)
This function initializes the specified Poly1305 context.
int mbedtls_poly1305_starts(mbedtls_poly1305_context *ctx, const unsigned char key[32])
This function sets the one-time authentication key.
void mbedtls_poly1305_free(mbedtls_poly1305_context *ctx)
This function releases and clears the specified Poly1305 context.