/* ed25519_cert.h -- generated by by Trunnel v1.2. * https://gitweb.torproject.org/trunnel.git * You probably shouldn't edit this file. */ #ifndef TRUNNEL_ED25519_CERT_H #define TRUNNEL_ED25519_CERT_H #include #include "trunnel.h" #define CERTEXT_SIGNED_WITH_KEY 4 #define CERTEXT_FLAG_AFFECTS_VALIDATION 1 #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_ED25519_CERT_EXTENSION) struct ed25519_cert_extension_st { uint16_t ext_length; uint8_t ext_type; uint8_t ext_flags; uint8_t un_signing_key[32]; TRUNNEL_DYNARRAY_HEAD(, uint8_t) un_unparsed; uint8_t trunnel_error_code_; }; #endif typedef struct ed25519_cert_extension_st ed25519_cert_extension_t; #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_ED25519_CERT) struct ed25519_cert_st { uint8_t version; uint8_t cert_type; uint32_t exp_field; uint8_t cert_key_type; uint8_t certified_key[32]; uint8_t n_extensions; TRUNNEL_DYNARRAY_HEAD(, struct ed25519_cert_extension_st *) ext; uint8_t signature[64]; uint8_t trunnel_error_code_; }; #endif typedef struct ed25519_cert_st ed25519_cert_t; /** Return a newly allocated ed25519_cert_extension with all elements * set to zero. */ ed25519_cert_extension_t *ed25519_cert_extension_new(void); /** Release all storage held by the ed25519_cert_extension in * 'victim'. (Do nothing if 'victim' is NULL.) */ void ed25519_cert_extension_free(ed25519_cert_extension_t *victim); /** Try to parse a ed25519_cert_extension 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 ed25519_cert_extension_t. On failure, return -2 if the * input appears truncated, and -1 if the input is otherwise invalid. */ ssize_t ed25519_cert_extension_parse(ed25519_cert_extension_t **output, const uint8_t *input, const size_t len_in); /** Return the number of bytes we expect to need to encode the * ed25519_cert_extension 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 ed25519_cert_extension_encoded_len(const ed25519_cert_extension_t *obj); /** Try to encode the ed25519_cert_extension 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 ed25519_cert_extension_encode(uint8_t *output, const size_t avail, const ed25519_cert_extension_t *input); /** Check whether the internal state of the ed25519_cert_extension in * 'obj' is consistent. Return NULL if it is, and a short message if * it is not. */ const char *ed25519_cert_extension_check(const ed25519_cert_extension_t *obj); /** Clear any errors that were set on the object 'obj' by its setter * functions. Return true iff errors were cleared. */ int ed25519_cert_extension_clear_errors(ed25519_cert_extension_t *obj); /** Return the value of the ext_length field of the * ed25519_cert_extension_t in 'inp' */ uint16_t ed25519_cert_extension_get_ext_length(ed25519_cert_extension_t *inp); /** Set the value of the ext_length field of the * ed25519_cert_extension_t in 'inp' to 'val'. Return 0 on success; * return -1 and set the error code on 'inp' on failure. */ int ed25519_cert_extension_set_ext_length(ed25519_cert_extension_t *inp, uint16_t val); /** Return the value of the ext_type field of the * ed25519_cert_extension_t in 'inp' */ uint8_t ed25519_cert_extension_get_ext_type(ed25519_cert_extension_t *inp); /** Set the value of the ext_type field of the * ed25519_cert_extension_t in 'inp' to 'val'. Return 0 on success; * return -1 and set the error code on 'inp' on failure. */ int ed25519_cert_extension_set_ext_type(ed25519_cert_extension_t *inp, uint8_t val); /** Return the value of the ext_flags field of the * ed25519_cert_extension_t in 'inp' */ uint8_t ed25519_cert_extension_get_ext_flags(ed25519_cert_extension_t *inp); /** Set the value of the ext_flags field of the * ed25519_cert_extension_t in 'inp' to 'val'. Return 0 on success; * return -1 and set the error code on 'inp' on failure. */ int ed25519_cert_extension_set_ext_flags(ed25519_cert_extension_t *inp, uint8_t val); /** Return the (constant) length of the array holding the * un_signing_key field of the ed25519_cert_extension_t in 'inp'. */ size_t ed25519_cert_extension_getlen_un_signing_key(const ed25519_cert_extension_t *inp); /** Return the element at position 'idx' of the fixed array field * un_signing_key of the ed25519_cert_extension_t in 'inp'. */ uint8_t ed25519_cert_extension_get_un_signing_key(const ed25519_cert_extension_t *inp, size_t idx); /** Change the element at position 'idx' of the fixed array field * un_signing_key of the ed25519_cert_extension_t in 'inp', so that it * will hold the value 'elt'. */ int ed25519_cert_extension_set_un_signing_key(ed25519_cert_extension_t *inp, size_t idx, uint8_t elt); /** Return a pointer to the 32-element array field un_signing_key of * 'inp'. */ uint8_t * ed25519_cert_extension_getarray_un_signing_key(ed25519_cert_extension_t *inp); /** Return the length of the dynamic array holding the un_unparsed * field of the ed25519_cert_extension_t in 'inp'. */ size_t ed25519_cert_extension_getlen_un_unparsed(const ed25519_cert_extension_t *inp); /** Return the element at position 'idx' of the dynamic array field * un_unparsed of the ed25519_cert_extension_t in 'inp'. */ uint8_t ed25519_cert_extension_get_un_unparsed(ed25519_cert_extension_t *inp, size_t idx); /** Change the element at position 'idx' of the dynamic array field * un_unparsed of the ed25519_cert_extension_t in 'inp', so that it * will hold the value 'elt'. */ int ed25519_cert_extension_set_un_unparsed(ed25519_cert_extension_t *inp, size_t idx, uint8_t elt); /** Append a new element 'elt' to the dynamic array field un_unparsed * of the ed25519_cert_extension_t in 'inp'. */ int ed25519_cert_extension_add_un_unparsed(ed25519_cert_extension_t *inp, uint8_t elt); /** Return a pointer to the variable-length array field un_unparsed of * 'inp'. */ uint8_t * ed25519_cert_extension_getarray_un_unparsed(ed25519_cert_extension_t *inp); /** Change the length of the variable-length array field un_unparsed * 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 ed25519_cert_extension_setlen_un_unparsed(ed25519_cert_extension_t *inp, size_t newlen); /** Return a newly allocated ed25519_cert with all elements set to * zero. */ ed25519_cert_t *ed25519_cert_new(void); /** Release all storage held by the ed25519_cert in 'victim'. (Do * nothing if 'victim' is NULL.) */ void ed25519_cert_free(ed25519_cert_t *victim); /** Try to parse a ed25519_cert 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 * ed25519_cert_t. On failure, return -2 if the input appears * truncated, and -1 if the input is otherwise invalid. */ ssize_t ed25519_cert_parse(ed25519_cert_t **output, const uint8_t *input, const size_t len_in); /** Return the number of bytes we expect to need to encode the * ed25519_cert 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 ed25519_cert_encoded_len(const ed25519_cert_t *obj); /** Try to encode the ed25519_cert 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 ed25519_cert_encode(uint8_t *output, const size_t avail, const ed25519_cert_t *input); /** Check whether the internal state of the ed25519_cert in 'obj' is * consistent. Return NULL if it is, and a short message if it is not. */ const char *ed25519_cert_check(const ed25519_cert_t *obj); /** Clear any errors that were set on the object 'obj' by its setter * functions. Return true iff errors were cleared. */ int ed25519_cert_clear_errors(ed25519_cert_t *obj); /** Return the value of the version field of the ed25519_cert_t in * 'inp' */ uint8_t ed25519_cert_get_version(ed25519_cert_t *inp); /** Set the value of the version field of the ed25519_cert_t in 'inp' * to 'val'. Return 0 on success; return -1 and set the error code on * 'inp' on failure. */ int ed25519_cert_set_version(ed25519_cert_t *inp, uint8_t val); /** Return the value of the cert_type field of the ed25519_cert_t in * 'inp' */ uint8_t ed25519_cert_get_cert_type(ed25519_cert_t *inp); /** Set the value of the cert_type field of the ed25519_cert_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int ed25519_cert_set_cert_type(ed25519_cert_t *inp, uint8_t val); /** Return the value of the exp_field field of the ed25519_cert_t in * 'inp' */ uint32_t ed25519_cert_get_exp_field(ed25519_cert_t *inp); /** Set the value of the exp_field field of the ed25519_cert_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int ed25519_cert_set_exp_field(ed25519_cert_t *inp, uint32_t val); /** Return the value of the cert_key_type field of the ed25519_cert_t * in 'inp' */ uint8_t ed25519_cert_get_cert_key_type(ed25519_cert_t *inp); /** Set the value of the cert_key_type field of the ed25519_cert_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int ed25519_cert_set_cert_key_type(ed25519_cert_t *inp, uint8_t val); /** Return the (constant) length of the array holding the * certified_key field of the ed25519_cert_t in 'inp'. */ size_t ed25519_cert_getlen_certified_key(const ed25519_cert_t *inp); /** Return the element at position 'idx' of the fixed array field * certified_key of the ed25519_cert_t in 'inp'. */ uint8_t ed25519_cert_get_certified_key(const ed25519_cert_t *inp, size_t idx); /** Change the element at position 'idx' of the fixed array field * certified_key of the ed25519_cert_t in 'inp', so that it will hold * the value 'elt'. */ int ed25519_cert_set_certified_key(ed25519_cert_t *inp, size_t idx, uint8_t elt); /** Return a pointer to the 32-element array field certified_key of * 'inp'. */ uint8_t * ed25519_cert_getarray_certified_key(ed25519_cert_t *inp); /** Return the value of the n_extensions field of the ed25519_cert_t * in 'inp' */ uint8_t ed25519_cert_get_n_extensions(ed25519_cert_t *inp); /** Set the value of the n_extensions field of the ed25519_cert_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int ed25519_cert_set_n_extensions(ed25519_cert_t *inp, uint8_t val); /** Return the length of the dynamic array holding the ext field of * the ed25519_cert_t in 'inp'. */ size_t ed25519_cert_getlen_ext(const ed25519_cert_t *inp); /** Return the element at position 'idx' of the dynamic array field * ext of the ed25519_cert_t in 'inp'. */ struct ed25519_cert_extension_st * ed25519_cert_get_ext(ed25519_cert_t *inp, size_t idx); /** Change the element at position 'idx' of the dynamic array field * ext of the ed25519_cert_t in 'inp', so that it will hold the value * 'elt'. Free the previous value, if any. */ int ed25519_cert_set_ext(ed25519_cert_t *inp, size_t idx, struct ed25519_cert_extension_st * elt); /** As ed25519_cert_set_ext, but does not free the previous value. */ int ed25519_cert_set0_ext(ed25519_cert_t *inp, size_t idx, struct ed25519_cert_extension_st * elt); /** Append a new element 'elt' to the dynamic array field ext of the * ed25519_cert_t in 'inp'. */ int ed25519_cert_add_ext(ed25519_cert_t *inp, struct ed25519_cert_extension_st * elt); /** Return a pointer to the variable-length array field ext of 'inp'. */ struct ed25519_cert_extension_st * * ed25519_cert_getarray_ext(ed25519_cert_t *inp); /** Change the length of the variable-length array field ext of 'inp' * to 'newlen'.Fill extra elements with NULL; free removed elements. * Return 0 on success; return -1 and set the error code on 'inp' on * failure. */ int ed25519_cert_setlen_ext(ed25519_cert_t *inp, size_t newlen); /** Return the (constant) length of the array holding the signature * field of the ed25519_cert_t in 'inp'. */ size_t ed25519_cert_getlen_signature(const ed25519_cert_t *inp); /** Return the element at position 'idx' of the fixed array field * signature of the ed25519_cert_t in 'inp'. */ uint8_t ed25519_cert_get_signature(const ed25519_cert_t *inp, size_t idx); /** Change the element at position 'idx' of the fixed array field * signature of the ed25519_cert_t in 'inp', so that it will hold the * value 'elt'. */ int ed25519_cert_set_signature(ed25519_cert_t *inp, size_t idx, uint8_t elt); /** Return a pointer to the 64-element array field signature of 'inp'. */ uint8_t * ed25519_cert_getarray_signature(ed25519_cert_t *inp); #endif