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https://gitlab.torproject.org/tpo/core/tor.git
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77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/* Copyright (c) 2014-2016, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef TORCERT_H_INCLUDED
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#define TORCERT_H_INCLUDED
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#include "crypto_ed25519.h"
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#define SIGNED_KEY_TYPE_ED25519 0x01
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#define CERT_TYPE_ID_SIGNING 0x04
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#define CERT_TYPE_SIGNING_LINK 0x05
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#define CERT_TYPE_SIGNING_AUTH 0x06
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#define CERT_TYPE_ONION_ID 0x0A
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#define CERT_FLAG_INCLUDE_SIGNING_KEY 0x1
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/** An ed25519-signed certificate as used throughout the Tor protocol.
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**/
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typedef struct tor_cert_st {
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/** The key authenticated by this certificate */
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ed25519_public_key_t signed_key;
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/** The key that signed this certificate. This value may be unset if the
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* certificate has never been checked, and didn't include its own key. */
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ed25519_public_key_t signing_key;
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/** A time after which this certificate will no longer be valid. */
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time_t valid_until;
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/** The encoded representation of this certificate */
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uint8_t *encoded;
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/** The length of <b>encoded</b> */
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size_t encoded_len;
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/** One of CERT_TYPE_... */
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uint8_t cert_type;
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/** True iff we received a signing key embedded in this certificate */
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unsigned signing_key_included : 1;
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/** True iff we checked the signature and found it bad */
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unsigned sig_bad : 1;
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/** True iff we checked the signature and found it correct */
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unsigned sig_ok : 1;
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/** True iff we checked the signature and first found that the cert
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* had expired */
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unsigned cert_expired : 1;
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/** True iff we checked the signature and found the whole cert valid */
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unsigned cert_valid : 1;
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} tor_cert_t;
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tor_cert_t *tor_cert_create(const ed25519_keypair_t *signing_key,
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uint8_t cert_type,
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const ed25519_public_key_t *signed_key,
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time_t now, time_t lifetime,
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uint32_t flags);
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tor_cert_t *tor_cert_parse(const uint8_t *cert, size_t certlen);
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void tor_cert_free(tor_cert_t *cert);
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int tor_cert_get_checkable_sig(ed25519_checkable_t *checkable_out,
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const tor_cert_t *out,
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const ed25519_public_key_t *pubkey);
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int tor_cert_checksig(tor_cert_t *cert,
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const ed25519_public_key_t *pubkey, time_t now);
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tor_cert_t *tor_cert_dup(const tor_cert_t *cert);
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int tor_cert_eq(const tor_cert_t *cert1, const tor_cert_t *cert2);
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int tor_cert_opt_eq(const tor_cert_t *cert1, const tor_cert_t *cert2);
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ssize_t tor_make_rsa_ed25519_crosscert(const ed25519_public_key_t *ed_key,
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const crypto_pk_t *rsa_key,
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time_t expires,
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uint8_t **cert);
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#endif
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