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-rw-r--r--src/common/crypto.h29
1 files changed, 20 insertions, 9 deletions
diff --git a/src/common/crypto.h b/src/common/crypto.h
index 7d56271785..b6e8e6c560 100644
--- a/src/common/crypto.h
+++ b/src/common/crypto.h
@@ -10,8 +10,8 @@
* \brief Headers for crypto.c
**/
-#ifndef _TOR_CRYPTO_H
-#define _TOR_CRYPTO_H
+#ifndef TOR_CRYPTO_H
+#define TOR_CRYPTO_H
#include <stdio.h>
#include "torint.h"
@@ -51,7 +51,7 @@
/** Length of the output of our message digest. */
#define DIGEST_LEN 20
/** Length of the output of our second (improved) message digests. (For now
- * this is just sha256, but any it can be any other 256-byte digest). */
+ * this is just sha256, but it could be any other 256-bit digest.) */
#define DIGEST256_LEN 32
/** Length of our symmetric cipher's keys. */
#define CIPHER_KEY_LEN 16
@@ -111,6 +111,7 @@ typedef struct crypto_digest_t crypto_digest_t;
typedef struct crypto_dh_t crypto_dh_t;
/* global state */
+const char * crypto_openssl_get_version_str(void);
int crypto_global_init(int hardwareAccel,
const char *accelName,
const char *accelPath);
@@ -147,6 +148,7 @@ int crypto_pk_write_private_key_to_filename(crypto_pk_t *env,
int crypto_pk_check_key(crypto_pk_t *env);
int crypto_pk_cmp_keys(crypto_pk_t *a, crypto_pk_t *b);
+int crypto_pk_eq_keys(crypto_pk_t *a, crypto_pk_t *b);
size_t crypto_pk_keysize(crypto_pk_t *env);
int crypto_pk_num_bits(crypto_pk_t *env);
crypto_pk_t *crypto_pk_dup_key(crypto_pk_t *orig);
@@ -228,6 +230,7 @@ void crypto_hmac_sha256(char *hmac_out,
#define DH_TYPE_REND 2
#define DH_TYPE_TLS 3
crypto_dh_t *crypto_dh_new(int dh_type);
+crypto_dh_t *crypto_dh_dup(const crypto_dh_t *dh);
int crypto_dh_get_bytes(crypto_dh_t *dh);
int crypto_dh_generate_public(crypto_dh_t *dh);
int crypto_dh_get_public(crypto_dh_t *dh, char *pubkey_out,
@@ -236,12 +239,20 @@ ssize_t crypto_dh_compute_secret(int severity, crypto_dh_t *dh,
const char *pubkey, size_t pubkey_len,
char *secret_out, size_t secret_out_len);
void crypto_dh_free(crypto_dh_t *dh);
-int crypto_expand_key_material(const char *key_in, size_t in_len,
- char *key_out, size_t key_out_len);
+
+int crypto_expand_key_material_TAP(const uint8_t *key_in,
+ size_t key_in_len,
+ uint8_t *key_out, size_t key_out_len);
+int crypto_expand_key_material_rfc5869_sha256(
+ const uint8_t *key_in, size_t key_in_len,
+ const uint8_t *salt_in, size_t salt_in_len,
+ const uint8_t *info_in, size_t info_in_len,
+ uint8_t *key_out, size_t key_out_len);
/* random numbers */
int crypto_seed_rng(int startup);
int crypto_rand(char *to, size_t n);
+int crypto_strongest_rand(uint8_t *out, size_t out_len);
int crypto_rand_int(unsigned int max);
uint64_t crypto_rand_uint64(uint64_t max);
double crypto_rand_double(void);
@@ -280,11 +291,11 @@ void memwipe(void *mem, uint8_t byte, size_t sz);
struct rsa_st;
struct evp_pkey_st;
struct dh_st;
-struct rsa_st *_crypto_pk_get_rsa(crypto_pk_t *env);
-crypto_pk_t *_crypto_new_pk_from_rsa(struct rsa_st *rsa);
-struct evp_pkey_st *_crypto_pk_get_evp_pkey(crypto_pk_t *env,
+struct rsa_st *crypto_pk_get_rsa_(crypto_pk_t *env);
+crypto_pk_t *crypto_new_pk_from_rsa_(struct rsa_st *rsa);
+struct evp_pkey_st *crypto_pk_get_evp_pkey_(crypto_pk_t *env,
int private);
-struct dh_st *_crypto_dh_get_dh(crypto_dh_t *dh);
+struct dh_st *crypto_dh_get_dh_(crypto_dh_t *dh);
/* Prototypes for private functions only used by crypto.c and test.c*/
void add_spaces_to_fp(char *out, size_t outlen, const char *in);
#endif