crypto: add crypto header with includes and defines

Add another header with includes and defines, so that we can reduce
double-definitions, and shorten long text strings.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

6 files changed, 26 insertions, 34 deletions

diff --git a/crypto.h b/crypto.h
new file mode 100644
index 0000000..2c3fac3
--- /dev/null
+++ b/crypto.h
@@ -0,0 +1,19 @@
+#ifndef CRYPTO_H
+#define CRYPTO_H
+
+#include "crypto_verify_32.h"
+#include "crypto_hash_sha512.h"
+#include "crypto_box_curve25519xsalsa20poly1305.h"
+#include "crypto_scalarmult_curve25519.h"
+#include "crypto_auth_hmacsha512256.h"
+
+#define crypto_box_zerobytes		crypto_box_curve25519xsalsa20poly1305_ZEROBYTES
+#define crypto_box_boxzerobytes		crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES
+#define crypto_box_noncebytes		crypto_box_curve25519xsalsa20poly1305_NONCEBYTES
+#define crypto_box_beforenmbytes	crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES
+#define crypto_box_beforenm		crypto_box_curve25519xsalsa20poly1305_beforenm
+#define crypto_box_afternm		crypto_box_curve25519xsalsa20poly1305_afternm
+#define crypto_box_open_afternm		crypto_box_curve25519xsalsa20poly1305_open_afternm
+#define crypto_box_pub_key_size		crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES
+
+#endif /* CRYPTO_H */
diff --git a/ct_servmgmt.c b/ct_servmgmt.c
index 143b03a..38eb9c5 100644
--- a/ct_servmgmt.c
+++ b/ct_servmgmt.c
@@ -18,13 +18,8 @@
 #include "xmalloc.h"
 #include "curvetun.h"
 #include "curve.h"
+#include "crypto.h"
 #include "ct_servmgmt.h"
-#include "crypto_box_curve25519xsalsa20poly1305.h"
-#include "crypto_auth_hmacsha512256.h"
-
-#define crypto_box_pub_key_size crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES
-
-/* Config line format: alias;serverip|servername;port;udp|tcp;pubkey\n */
 
 struct server_store {
 	int udp;
diff --git a/ct_usermgmt.c b/ct_usermgmt.c
index a4978fc..201c0c7 100644
--- a/ct_usermgmt.c
+++ b/ct_usermgmt.c
@@ -23,15 +23,8 @@
 #include "str.h"
 #include "curvetun.h"
 #include "curve.h"
+#include "crypto.h"
 #include "hash.h"
-#include "crypto_verify_32.h"
-#include "crypto_hash_sha512.h"
-#include "crypto_box_curve25519xsalsa20poly1305.h"
-#include "crypto_auth_hmacsha512256.h"
-
-#define crypto_box_pub_key_size crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES
-
-/* Config line format: username;pubkey\n */
 
 struct user_store {
 	char username[256];
diff --git a/curve.c b/curve.c
index 9b32c03..b7d5b4f 100644
--- a/curve.c
+++ b/curve.c
@@ -25,16 +25,10 @@
 #include "str.h"
 #include "curvetun.h"
 #include "locking.h"
-#include "crypto_verify_32.h"
-#include "crypto_box_curve25519xsalsa20poly1305.h"
-#include "crypto_scalarmult_curve25519.h"
+#include "crypto.h"
 
-#define crypto_box_beforenm		crypto_box_curve25519xsalsa20poly1305_beforenm
-#define crypto_box_afternm		crypto_box_curve25519xsalsa20poly1305_afternm
-#define crypto_box_open_afternm		crypto_box_curve25519xsalsa20poly1305_open_afternm
-
-#define NONCE_LENGTH			(sizeof(struct taia))
-#define NONCE_OFFSET			(crypto_box_curve25519xsalsa20poly1305_NONCEBYTES - NONCE_LENGTH)
+#define NONCE_LENGTH	(sizeof(struct taia))
+#define NONCE_OFFSET	(crypto_box_noncebytes - NONCE_LENGTH)
 
 void curve25519_selftest(void)
 {
diff --git a/curve.h b/curve.h
index b7aebcb..ee4a322 100644
--- a/curve.h
+++ b/curve.h
@@ -14,7 +14,7 @@
 #include "built_in.h"
 #include "ioops.h"
 #include "rnd.h"
-#include "crypto_box_curve25519xsalsa20poly1305.h"
+#include "crypto.h"
 
 struct tai {
 	uint64_t x;
@@ -32,12 +32,6 @@ static struct taia tolerance_taia = {
 	.atto = 0,
 };
 
-#define crypto_box_zerobytes		crypto_box_curve25519xsalsa20poly1305_ZEROBYTES
-#define crypto_box_boxzerobytes		crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES
-
-#define crypto_box_noncebytes		crypto_box_curve25519xsalsa20poly1305_NONCEBYTES
-#define crypto_box_beforenmbytes	crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES
-
 struct curve25519_proto {
 	unsigned char enonce[crypto_box_noncebytes] __aligned_16;
 	unsigned char dnonce[crypto_box_noncebytes] __aligned_16;
diff --git a/curvetun.c b/curvetun.c
index 458bd0c..1b69b2d 100644
--- a/curvetun.c
+++ b/curvetun.c
@@ -38,10 +38,7 @@
 #include "ct_servmgmt.h"
 #include "ioops.h"
 #include "tprintf.h"
-#include "crypto_verify_32.h"
-#include "crypto_box_curve25519xsalsa20poly1305.h"
-#include "crypto_scalarmult_curve25519.h"
-#include "crypto_auth_hmacsha512256.h"
+#include "crypto.h"
 
 enum working_mode {
 	MODE_UNKNOW,