174 lines
7.2 KiB
C
174 lines
7.2 KiB
C
/* pwbox.h -- generated by by Trunnel v1.4.6.
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* https://gitweb.torproject.org/trunnel.git
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* You probably shouldn't edit this file.
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*/
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#ifndef TRUNNEL_PWBOX_H
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#define TRUNNEL_PWBOX_H
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#include <stdint.h>
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#include "trunnel.h"
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#define PWBOX0_CONST0 1414484546
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#define PWBOX0_CONST1 1331179568
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#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_PWBOX_ENCODED)
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struct pwbox_encoded_st {
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uint32_t fixedbytes0;
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uint32_t fixedbytes1;
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uint8_t header_len;
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TRUNNEL_DYNARRAY_HEAD(, uint8_t) skey_header;
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uint8_t iv[16];
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TRUNNEL_DYNARRAY_HEAD(, uint8_t) data;
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uint8_t hmac[32];
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uint8_t trunnel_error_code_;
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};
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#endif
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typedef struct pwbox_encoded_st pwbox_encoded_t;
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/** Return a newly allocated pwbox_encoded with all elements set to
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* zero.
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*/
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pwbox_encoded_t *pwbox_encoded_new(void);
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/** Release all storage held by the pwbox_encoded in 'victim'. (Do
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* nothing if 'victim' is NULL.)
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*/
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void pwbox_encoded_free(pwbox_encoded_t *victim);
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/** Try to parse a pwbox_encoded from the buffer in 'input', using up
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* to 'len_in' bytes from the input buffer. On success, return the
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* number of bytes consumed and set *output to the newly allocated
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* pwbox_encoded_t. On failure, return -2 if the input appears
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* truncated, and -1 if the input is otherwise invalid.
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*/
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ssize_t pwbox_encoded_parse(pwbox_encoded_t **output, const uint8_t *input, const size_t len_in);
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/** Return the number of bytes we expect to need to encode the
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* pwbox_encoded in 'obj'. On failure, return a negative value. Note
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* that this value may be an overestimate, and can even be an
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* underestimate for certain unencodeable objects.
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*/
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ssize_t pwbox_encoded_encoded_len(const pwbox_encoded_t *obj);
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/** Try to encode the pwbox_encoded from 'input' into the buffer at
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* 'output', using up to 'avail' bytes of the output buffer. On
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* success, return the number of bytes used. On failure, return -2 if
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* the buffer was not long enough, and -1 if the input was invalid.
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*/
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ssize_t pwbox_encoded_encode(uint8_t *output, size_t avail, const pwbox_encoded_t *input);
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/** Check whether the internal state of the pwbox_encoded in 'obj' is
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* consistent. Return NULL if it is, and a short message if it is not.
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*/
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const char *pwbox_encoded_check(const pwbox_encoded_t *obj);
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/** Clear any errors that were set on the object 'obj' by its setter
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* functions. Return true iff errors were cleared.
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*/
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int pwbox_encoded_clear_errors(pwbox_encoded_t *obj);
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/** Return the value of the fixedbytes0 field of the pwbox_encoded_t
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* in 'inp'
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*/
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uint32_t pwbox_encoded_get_fixedbytes0(pwbox_encoded_t *inp);
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/** Set the value of the fixedbytes0 field of the pwbox_encoded_t in
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* 'inp' to 'val'. Return 0 on success; return -1 and set the error
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* code on 'inp' on failure.
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*/
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int pwbox_encoded_set_fixedbytes0(pwbox_encoded_t *inp, uint32_t val);
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/** Return the value of the fixedbytes1 field of the pwbox_encoded_t
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* in 'inp'
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*/
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uint32_t pwbox_encoded_get_fixedbytes1(pwbox_encoded_t *inp);
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/** Set the value of the fixedbytes1 field of the pwbox_encoded_t in
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* 'inp' to 'val'. Return 0 on success; return -1 and set the error
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* code on 'inp' on failure.
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*/
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int pwbox_encoded_set_fixedbytes1(pwbox_encoded_t *inp, uint32_t val);
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/** Return the value of the header_len field of the pwbox_encoded_t in
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* 'inp'
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*/
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uint8_t pwbox_encoded_get_header_len(pwbox_encoded_t *inp);
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/** Set the value of the header_len field of the pwbox_encoded_t in
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* 'inp' to 'val'. Return 0 on success; return -1 and set the error
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* code on 'inp' on failure.
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*/
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int pwbox_encoded_set_header_len(pwbox_encoded_t *inp, uint8_t val);
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/** Return the length of the dynamic array holding the skey_header
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* field of the pwbox_encoded_t in 'inp'.
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*/
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size_t pwbox_encoded_getlen_skey_header(const pwbox_encoded_t *inp);
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/** Return the element at position 'idx' of the dynamic array field
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* skey_header of the pwbox_encoded_t in 'inp'.
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*/
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uint8_t pwbox_encoded_get_skey_header(pwbox_encoded_t *inp, size_t idx);
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/** Change the element at position 'idx' of the dynamic array field
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* skey_header of the pwbox_encoded_t in 'inp', so that it will hold
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* the value 'elt'.
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*/
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int pwbox_encoded_set_skey_header(pwbox_encoded_t *inp, size_t idx, uint8_t elt);
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/** Append a new element 'elt' to the dynamic array field skey_header
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* of the pwbox_encoded_t in 'inp'.
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*/
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int pwbox_encoded_add_skey_header(pwbox_encoded_t *inp, uint8_t elt);
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/** Return a pointer to the variable-length array field skey_header of
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* 'inp'.
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*/
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uint8_t * pwbox_encoded_getarray_skey_header(pwbox_encoded_t *inp);
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/** Change the length of the variable-length array field skey_header
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* of 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on
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* success; return -1 and set the error code on 'inp' on failure.
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*/
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int pwbox_encoded_setlen_skey_header(pwbox_encoded_t *inp, size_t newlen);
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/** Return the (constant) length of the array holding the iv field of
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* the pwbox_encoded_t in 'inp'.
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*/
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size_t pwbox_encoded_getlen_iv(const pwbox_encoded_t *inp);
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/** Return the element at position 'idx' of the fixed array field iv
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* of the pwbox_encoded_t in 'inp'.
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*/
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uint8_t pwbox_encoded_get_iv(const pwbox_encoded_t *inp, size_t idx);
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/** Change the element at position 'idx' of the fixed array field iv
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* of the pwbox_encoded_t in 'inp', so that it will hold the value
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* 'elt'.
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*/
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int pwbox_encoded_set_iv(pwbox_encoded_t *inp, size_t idx, uint8_t elt);
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/** Return a pointer to the 16-element array field iv of 'inp'.
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*/
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uint8_t * pwbox_encoded_getarray_iv(pwbox_encoded_t *inp);
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/** Return the length of the dynamic array holding the data field of
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* the pwbox_encoded_t in 'inp'.
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*/
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size_t pwbox_encoded_getlen_data(const pwbox_encoded_t *inp);
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/** Return the element at position 'idx' of the dynamic array field
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* data of the pwbox_encoded_t in 'inp'.
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*/
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uint8_t pwbox_encoded_get_data(pwbox_encoded_t *inp, size_t idx);
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/** Change the element at position 'idx' of the dynamic array field
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* data of the pwbox_encoded_t in 'inp', so that it will hold the
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* value 'elt'.
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*/
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int pwbox_encoded_set_data(pwbox_encoded_t *inp, size_t idx, uint8_t elt);
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/** Append a new element 'elt' to the dynamic array field data of the
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* pwbox_encoded_t in 'inp'.
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*/
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int pwbox_encoded_add_data(pwbox_encoded_t *inp, uint8_t elt);
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/** Return a pointer to the variable-length array field data of 'inp'.
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*/
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uint8_t * pwbox_encoded_getarray_data(pwbox_encoded_t *inp);
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/** Change the length of the variable-length array field data of 'inp'
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* to 'newlen'.Fill extra elements with 0. Return 0 on success; return
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* -1 and set the error code on 'inp' on failure.
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*/
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int pwbox_encoded_setlen_data(pwbox_encoded_t *inp, size_t newlen);
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/** Return the (constant) length of the array holding the hmac field
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* of the pwbox_encoded_t in 'inp'.
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*/
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size_t pwbox_encoded_getlen_hmac(const pwbox_encoded_t *inp);
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/** Return the element at position 'idx' of the fixed array field hmac
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* of the pwbox_encoded_t in 'inp'.
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*/
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uint8_t pwbox_encoded_get_hmac(const pwbox_encoded_t *inp, size_t idx);
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/** Change the element at position 'idx' of the fixed array field hmac
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* of the pwbox_encoded_t in 'inp', so that it will hold the value
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* 'elt'.
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*/
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int pwbox_encoded_set_hmac(pwbox_encoded_t *inp, size_t idx, uint8_t elt);
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/** Return a pointer to the 32-element array field hmac of 'inp'.
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*/
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uint8_t * pwbox_encoded_getarray_hmac(pwbox_encoded_t *inp);
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#endif
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