X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=crypt.h;h=019b643e7f00ef1c548a59b30e1d870f96cdb7d1;hp=88af9e89c10e6cfe468e7c6787bfdde32bbb536c;hb=b6100d88b5a03e824991b4a5bfd90b0e951e8d2b;hpb=6bdac07456cb5872f824028912d1049883a9c21f

diff --git a/crypt.h b/crypt.h
index 88af9e89..019b643e 100644
--- a/crypt.h
+++ b/crypt.h
@@ -7,10 +7,6 @@
 /** \file crypt.h prototypes for the RSA crypt functions */
 
 #include <openssl/pem.h>
-int para_decrypt_challenge(char *key_file, long unsigned *challenge_nr,
-	unsigned char *buf, unsigned rsa_inlen);
-int para_encrypt_challenge(RSA* rsa, long unsigned challenge_nr,
-	unsigned char *outbuf);
 int para_encrypt_buffer(RSA* rsa, unsigned char *inbuf, unsigned len,
 	unsigned char *outbuf);
 int para_decrypt_buffer(char *key_file, unsigned char *outbuf, unsigned char *inbuf,
@@ -18,8 +14,22 @@ int para_decrypt_buffer(char *key_file, unsigned char *outbuf, unsigned char *in
 int get_rsa_key(char *key_file, RSA **rsa, int private);
 
 void rsa_free(RSA *rsa);
+void get_random_bytes_or_die(unsigned char *buf, int num);
+void init_random_seed_or_die(void);
+
+struct rc4_context {
+	int fd;
+	RC4_KEY recv_key;
+	RC4_KEY send_key;
+};
+int rc4_send_bin_buffer(struct rc4_context *rc4c, const char *buf, size_t len);
+int rc4_send_buffer(struct rc4_context *rc4c, const char *buf);
+__printf_2_3 int rc4_send_va_buffer(struct rc4_context *rc4c, const char *fmt, ...);
+int rc4_recv_bin_buffer(struct rc4_context *rcc, char *buf, size_t size);
+int rc4_recv_buffer(struct rc4_context *rcc, char *buf, size_t size);
 
 /** \cond used to distinguish between loading of private/public key */
 #define LOAD_PUBLIC_KEY 0
 #define LOAD_PRIVATE_KEY 1
+#define CHALLENGE_SIZE 64
 /** \endcond **/