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diff --git a/src/trunnel/ed25519_cert.h b/src/trunnel/ed25519_cert.h
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+/* ed25519_cert.h -- generated by by Trunnel v1.4.3.
+ * https://gitweb.torproject.org/trunnel.git
+ * You probably shouldn't edit this file.
+ */
+#ifndef TRUNNEL_ED25519_CERT_H
+#define TRUNNEL_ED25519_CERT_H
+
+#include <stdint.h>
+#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, 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, 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