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chachapoly.h
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1 
15 /*
16  * Copyright The Mbed TLS Contributors
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19  * This file is provided under the Apache License 2.0, or the
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58 
59 #ifndef MBEDTLS_CHACHAPOLY_H
60 #define MBEDTLS_CHACHAPOLY_H
61 
62 #if !defined(MBEDTLS_CONFIG_FILE)
63 #include "config.h"
64 #else
65 #include MBEDTLS_CONFIG_FILE
66 #endif
67 
68 /* for shared error codes */
69 #include "poly1305.h"
70 
71 #define MBEDTLS_ERR_CHACHAPOLY_BAD_STATE -0x0054
72 #define MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED -0x0056
74 #ifdef __cplusplus
75 extern "C" {
76 #endif
77 
78 typedef enum
79 {
82 }
84 
85 #if !defined(MBEDTLS_CHACHAPOLY_ALT)
86 
87 #include "chacha20.h"
88 
90 {
95  int state;
97 }
99 
100 #else /* !MBEDTLS_CHACHAPOLY_ALT */
101 #include "chachapoly_alt.h"
102 #endif /* !MBEDTLS_CHACHAPOLY_ALT */
103 
147 
156 
169  const unsigned char key[32] );
170 
197  const unsigned char nonce[12],
199 
240  const unsigned char *aad,
241  size_t aad_len );
242 
275  size_t len,
276  const unsigned char *input,
277  unsigned char *output );
278 
296  unsigned char mac[16] );
297 
328  size_t length,
329  const unsigned char nonce[12],
330  const unsigned char *aad,
331  size_t aad_len,
332  const unsigned char *input,
333  unsigned char *output,
334  unsigned char tag[16] );
335 
362  size_t length,
363  const unsigned char nonce[12],
364  const unsigned char *aad,
365  size_t aad_len,
366  const unsigned char tag[16],
367  const unsigned char *input,
368  unsigned char *output );
369 
370 #if defined(MBEDTLS_SELF_TEST)
371 
377 int mbedtls_chachapoly_self_test( int verbose );
378 #endif /* MBEDTLS_SELF_TEST */
379 
380 #ifdef __cplusplus
381 }
382 #endif
383 
384 #endif /* MBEDTLS_CHACHAPOLY_H */
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
void mbedtls_chachapoly_init(mbedtls_chachapoly_context *ctx)
This function initializes the specified ChaCha20-Poly1305 context.
int mbedtls_chachapoly_update_aad(mbedtls_chachapoly_context *ctx, const unsigned char *aad, size_t aad_len)
This function feeds additional data to be authenticated into an ongoing ChaCha20-Poly1305 operation.
mbedtls_chachapoly_mode_t mode
Definition: chachapoly.h:96
mbedtls_chachapoly_mode_t
Definition: chachapoly.h:78
int mbedtls_chachapoly_finish(mbedtls_chachapoly_context *ctx, unsigned char mac[16])
This function finished the ChaCha20-Poly1305 operation and generates the MAC (authentication tag).
Definition: ecma_167.h:138
struct mbedtls_chachapoly_context mbedtls_chachapoly_context
This file contains ChaCha20 definitions and functions.
mbedtls_chacha20_context chacha20_ctx
Definition: chachapoly.h:91
#define verbose
Definition: rosglue.h:36
int mbedtls_chachapoly_update(mbedtls_chachapoly_context *ctx, size_t len, const unsigned char *input, unsigned char *output)
Thus function feeds data to be encrypted or decrypted into an on-going ChaCha20-Poly1305 operation.
GLenum GLuint GLenum GLsizei length
Definition: glext.h:5579
int mbedtls_chachapoly_encrypt_and_tag(mbedtls_chachapoly_context *ctx, size_t length, const unsigned char nonce[12], const unsigned char *aad, size_t aad_len, const unsigned char *input, unsigned char *output, unsigned char tag[16])
This function performs a complete ChaCha20-Poly1305 authenticated encryption with the previously-set ...
int mbedtls_chachapoly_setkey(mbedtls_chachapoly_context *ctx, const unsigned char key[32])
This function sets the ChaCha20-Poly1305 symmetric encryption key.
mbedtls_poly1305_context poly1305_ctx
Definition: chachapoly.h:92
GLenum GLsizei len
Definition: glext.h:6722
int mbedtls_chachapoly_auth_decrypt(mbedtls_chachapoly_context *ctx, size_t length, const unsigned char nonce[12], const unsigned char *aad, size_t aad_len, const unsigned char tag[16], const unsigned char *input, unsigned char *output)
This function performs a complete ChaCha20-Poly1305 authenticated decryption with the previously-set ...
GLenum mode
Definition: glext.h:6217
UINT64 uint64_t
Definition: types.h:77
GLenum GLenum GLenum input
Definition: glext.h:9031
int mbedtls_chachapoly_starts(mbedtls_chachapoly_context *ctx, const unsigned char nonce[12], mbedtls_chachapoly_mode_t mode)
This function starts a ChaCha20-Poly1305 encryption or decryption operation.
void mbedtls_chachapoly_free(mbedtls_chachapoly_context *ctx)
This function releases and clears the specified ChaCha20-Poly1305 context.
This file contains Poly1305 definitions and functions.
Definition: path.c:41