12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576 |
- /* Copyright (c) 2001, Matej Pfajfar.
- * Copyright (c) 2001-2004, Roger Dingledine.
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2018, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- /**
- * \file crypto.h
- *
- * \brief Headers for crypto.c
- **/
- #ifndef TOR_CRYPTO_H
- #define TOR_CRYPTO_H
- #include "orconfig.h"
- #include <stdio.h>
- #include "common/torint.h"
- #include "common/compat.h"
- #include "common/util.h"
- #include "common/crypto_rsa.h"
- /** Length of our symmetric cipher's keys of 128-bit. */
- #define CIPHER_KEY_LEN 16
- /** Length of our symmetric cipher's IV of 128-bit. */
- #define CIPHER_IV_LEN 16
- /** Length of our symmetric cipher's keys of 256-bit. */
- #define CIPHER256_KEY_LEN 32
- /** Length of encoded public key fingerprints, including space; but not
- * including terminating NUL. */
- #define FINGERPRINT_LEN 49
- typedef struct aes_cnt_cipher crypto_cipher_t;
- /* global state */
- int crypto_init_siphash_key(void);
- int crypto_early_init(void) ATTR_WUR;
- int crypto_global_init(int hardwareAccel,
- const char *accelName,
- const char *accelPath) ATTR_WUR;
- void crypto_thread_cleanup(void);
- int crypto_global_cleanup(void);
- /* environment setup */
- crypto_cipher_t *crypto_cipher_new(const char *key);
- crypto_cipher_t *crypto_cipher_new_with_bits(const char *key, int bits);
- crypto_cipher_t *crypto_cipher_new_with_iv(const char *key, const char *iv);
- crypto_cipher_t *crypto_cipher_new_with_iv_and_bits(const uint8_t *key,
- const uint8_t *iv,
- int bits);
- void crypto_cipher_free_(crypto_cipher_t *env);
- #define crypto_cipher_free(c) \
- FREE_AND_NULL(crypto_cipher_t, crypto_cipher_free_, (c))
- /* symmetric crypto */
- const char *crypto_cipher_get_key(crypto_cipher_t *env);
- int crypto_cipher_encrypt(crypto_cipher_t *env, char *to,
- const char *from, size_t fromlen);
- int crypto_cipher_decrypt(crypto_cipher_t *env, char *to,
- const char *from, size_t fromlen);
- void crypto_cipher_crypt_inplace(crypto_cipher_t *env, char *d, size_t len);
- int crypto_cipher_encrypt_with_iv(const char *key,
- char *to, size_t tolen,
- const char *from, size_t fromlen);
- int crypto_cipher_decrypt_with_iv(const char *key,
- char *to, size_t tolen,
- const char *from, size_t fromlen);
- void crypto_add_spaces_to_fp(char *out, size_t outlen, const char *in);
- #endif /* !defined(TOR_CRYPTO_H) */
|