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Diffstat (limited to 'src/trunnel/pwbox.h')
-rw-r--r-- | src/trunnel/pwbox.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/trunnel/pwbox.h b/src/trunnel/pwbox.h new file mode 100644 index 0000000000..e69e2c1a0e --- /dev/null +++ b/src/trunnel/pwbox.h @@ -0,0 +1,173 @@ +/* pwbox.h -- generated by by Trunnel v1.4.4. + * https://gitweb.torproject.org/trunnel.git + * You probably shouldn't edit this file. + */ +#ifndef TRUNNEL_PWBOX_H +#define TRUNNEL_PWBOX_H + +#include <stdint.h> +#include "trunnel.h" + +#define PWBOX0_CONST0 1414484546 +#define PWBOX0_CONST1 1331179568 +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_PWBOX_ENCODED) +struct pwbox_encoded_st { + uint32_t fixedbytes0; + uint32_t fixedbytes1; + uint8_t header_len; + TRUNNEL_DYNARRAY_HEAD(, uint8_t) skey_header; + uint8_t iv[16]; + TRUNNEL_DYNARRAY_HEAD(, uint8_t) data; + uint8_t hmac[32]; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct pwbox_encoded_st pwbox_encoded_t; +/** Return a newly allocated pwbox_encoded with all elements set to + * zero. + */ +pwbox_encoded_t *pwbox_encoded_new(void); +/** Release all storage held by the pwbox_encoded in 'victim'. (Do + * nothing if 'victim' is NULL.) + */ +void pwbox_encoded_free(pwbox_encoded_t *victim); +/** Try to parse a pwbox_encoded from the buffer in 'input', using up + * to 'len_in' bytes from the input buffer. On success, return the + * number of bytes consumed and set *output to the newly allocated + * pwbox_encoded_t. On failure, return -2 if the input appears + * truncated, and -1 if the input is otherwise invalid. + */ +ssize_t pwbox_encoded_parse(pwbox_encoded_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * pwbox_encoded in 'obj'. On failure, return a negative value. Note + * that this value may be an overestimate, and can even be an + * underestimate for certain unencodeable objects. + */ +ssize_t pwbox_encoded_encoded_len(const pwbox_encoded_t *obj); +/** Try to encode the pwbox_encoded from 'input' into the buffer at + * 'output', using up to 'avail' bytes of the output buffer. On + * success, return the number of bytes used. On failure, return -2 if + * the buffer was not long enough, and -1 if the input was invalid. + */ +ssize_t pwbox_encoded_encode(uint8_t *output, size_t avail, const pwbox_encoded_t *input); +/** Check whether the internal state of the pwbox_encoded in 'obj' is + * consistent. Return NULL if it is, and a short message if it is not. + */ +const char *pwbox_encoded_check(const pwbox_encoded_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int pwbox_encoded_clear_errors(pwbox_encoded_t *obj); +/** Return the value of the fixedbytes0 field of the pwbox_encoded_t + * in 'inp' + */ +uint32_t pwbox_encoded_get_fixedbytes0(pwbox_encoded_t *inp); +/** Set the value of the fixedbytes0 field of the pwbox_encoded_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int pwbox_encoded_set_fixedbytes0(pwbox_encoded_t *inp, uint32_t val); +/** Return the value of the fixedbytes1 field of the pwbox_encoded_t + * in 'inp' + */ +uint32_t pwbox_encoded_get_fixedbytes1(pwbox_encoded_t *inp); +/** Set the value of the fixedbytes1 field of the pwbox_encoded_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int pwbox_encoded_set_fixedbytes1(pwbox_encoded_t *inp, uint32_t val); +/** Return the value of the header_len field of the pwbox_encoded_t in + * 'inp' + */ +uint8_t pwbox_encoded_get_header_len(pwbox_encoded_t *inp); +/** Set the value of the header_len field of the pwbox_encoded_t in + * 'inp' to 'val'. Return 0 on success; return -1 and set the error + * code on 'inp' on failure. + */ +int pwbox_encoded_set_header_len(pwbox_encoded_t *inp, uint8_t val); +/** Return the length of the dynamic array holding the skey_header + * field of the pwbox_encoded_t in 'inp'. + */ +size_t pwbox_encoded_getlen_skey_header(const pwbox_encoded_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * skey_header of the pwbox_encoded_t in 'inp'. + */ +uint8_t pwbox_encoded_get_skey_header(pwbox_encoded_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * skey_header of the pwbox_encoded_t in 'inp', so that it will hold + * the value 'elt'. + */ +int pwbox_encoded_set_skey_header(pwbox_encoded_t *inp, size_t idx, uint8_t elt); +/** Append a new element 'elt' to the dynamic array field skey_header + * of the pwbox_encoded_t in 'inp'. + */ +int pwbox_encoded_add_skey_header(pwbox_encoded_t *inp, uint8_t elt); +/** Return a pointer to the variable-length array field skey_header of + * 'inp'. + */ +uint8_t * pwbox_encoded_getarray_skey_header(pwbox_encoded_t *inp); +/** Change the length of the variable-length array field skey_header + * of 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on + * success; return -1 and set the error code on 'inp' on failure. + */ +int pwbox_encoded_setlen_skey_header(pwbox_encoded_t *inp, size_t newlen); +/** Return the (constant) length of the array holding the iv field of + * the pwbox_encoded_t in 'inp'. + */ +size_t pwbox_encoded_getlen_iv(const pwbox_encoded_t *inp); +/** Return the element at position 'idx' of the fixed array field iv + * of the pwbox_encoded_t in 'inp'. + */ +uint8_t pwbox_encoded_get_iv(const pwbox_encoded_t *inp, size_t idx); +/** Change the element at position 'idx' of the fixed array field iv + * of the pwbox_encoded_t in 'inp', so that it will hold the value + * 'elt'. + */ +int pwbox_encoded_set_iv(pwbox_encoded_t *inp, size_t idx, uint8_t elt); +/** Return a pointer to the 16-element array field iv of 'inp'. + */ +uint8_t * pwbox_encoded_getarray_iv(pwbox_encoded_t *inp); +/** Return the length of the dynamic array holding the data field of + * the pwbox_encoded_t in 'inp'. + */ +size_t pwbox_encoded_getlen_data(const pwbox_encoded_t *inp); +/** Return the element at position 'idx' of the dynamic array field + * data of the pwbox_encoded_t in 'inp'. + */ +uint8_t pwbox_encoded_get_data(pwbox_encoded_t *inp, size_t idx); +/** Change the element at position 'idx' of the dynamic array field + * data of the pwbox_encoded_t in 'inp', so that it will hold the + * value 'elt'. + */ +int pwbox_encoded_set_data(pwbox_encoded_t *inp, size_t idx, uint8_t elt); +/** Append a new element 'elt' to the dynamic array field data of the + * pwbox_encoded_t in 'inp'. + */ +int pwbox_encoded_add_data(pwbox_encoded_t *inp, uint8_t elt); +/** Return a pointer to the variable-length array field data of 'inp'. + */ +uint8_t * pwbox_encoded_getarray_data(pwbox_encoded_t *inp); +/** Change the length of the variable-length array field data of 'inp' + * to 'newlen'.Fill extra elements with 0. Return 0 on success; return + * -1 and set the error code on 'inp' on failure. + */ +int pwbox_encoded_setlen_data(pwbox_encoded_t *inp, size_t newlen); +/** Return the (constant) length of the array holding the hmac field + * of the pwbox_encoded_t in 'inp'. + */ +size_t pwbox_encoded_getlen_hmac(const pwbox_encoded_t *inp); +/** Return the element at position 'idx' of the fixed array field hmac + * of the pwbox_encoded_t in 'inp'. + */ +uint8_t pwbox_encoded_get_hmac(const pwbox_encoded_t *inp, size_t idx); +/** Change the element at position 'idx' of the fixed array field hmac + * of the pwbox_encoded_t in 'inp', so that it will hold the value + * 'elt'. + */ +int pwbox_encoded_set_hmac(pwbox_encoded_t *inp, size_t idx, uint8_t elt); +/** Return a pointer to the 32-element array field hmac of 'inp'. + */ +uint8_t * pwbox_encoded_getarray_hmac(pwbox_encoded_t *inp); + + +#endif |