mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2025-02-27 07:59:35 +01:00
5ea9a90d68
The fix is to move the two functions to format/parse base64 curve25519 public keys into a new "crypto_format.c" file. I could have put them in crypto.c, but that's a big file worth splitting anyway. Fixes bug 8153; bugfix on 0.2.4.8-alpha where I did the fix for 7869.
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* Copyright (c) 2012-2013, The Tor Project, Inc. */
|
|
/* See LICENSE for licensing information */
|
|
|
|
#ifndef TOR_CRYPTO_CURVE25519_H
|
|
#define TOR_CRYPTO_CURVE25519_H
|
|
|
|
#include "torint.h"
|
|
|
|
/** Length of a curve25519 public key when encoded. */
|
|
#define CURVE25519_PUBKEY_LEN 32
|
|
/** Length of a curve25519 secret key when encoded. */
|
|
#define CURVE25519_SECKEY_LEN 32
|
|
/** Length of the result of a curve25519 handshake. */
|
|
#define CURVE25519_OUTPUT_LEN 32
|
|
|
|
/** Wrapper type for a curve25519 public key */
|
|
typedef struct curve25519_public_key_t {
|
|
uint8_t public_key[CURVE25519_PUBKEY_LEN];
|
|
} curve25519_public_key_t;
|
|
|
|
/** Wrapper type for a curve25519 secret key */
|
|
typedef struct curve25519_secret_key_t {
|
|
uint8_t secret_key[CURVE25519_SECKEY_LEN];
|
|
} curve25519_secret_key_t;
|
|
|
|
/** A paired public and private key for curve25519. **/
|
|
typedef struct curve25519_keypair_t {
|
|
curve25519_public_key_t pubkey;
|
|
curve25519_secret_key_t seckey;
|
|
} curve25519_keypair_t;
|
|
|
|
#ifdef CURVE25519_ENABLED
|
|
int curve25519_public_key_is_ok(const curve25519_public_key_t *);
|
|
|
|
int curve25519_secret_key_generate(curve25519_secret_key_t *key_out,
|
|
int extra_strong);
|
|
void curve25519_public_key_generate(curve25519_public_key_t *key_out,
|
|
const curve25519_secret_key_t *seckey);
|
|
int curve25519_keypair_generate(curve25519_keypair_t *keypair_out,
|
|
int extra_strong);
|
|
|
|
void curve25519_handshake(uint8_t *output,
|
|
const curve25519_secret_key_t *,
|
|
const curve25519_public_key_t *);
|
|
|
|
int curve25519_keypair_write_to_file(const curve25519_keypair_t *keypair,
|
|
const char *fname,
|
|
const char *tag);
|
|
|
|
int curve25519_keypair_read_from_file(curve25519_keypair_t *keypair_out,
|
|
char **tag_out,
|
|
const char *fname);
|
|
|
|
#ifdef CRYPTO_CURVE25519_PRIVATE
|
|
int curve25519_impl(uint8_t *output, const uint8_t *secret,
|
|
const uint8_t *basepoint);
|
|
#endif
|
|
#endif
|
|
|
|
#define CURVE25519_BASE64_PADDED_LEN 44
|
|
|
|
int curve25519_public_from_base64(curve25519_public_key_t *pkey,
|
|
const char *input);
|
|
int curve25519_public_to_base64(char *output,
|
|
const curve25519_public_key_t *pkey);
|
|
|
|
#endif
|
|
|