Make rc4 encryption/decryption more explicit.

[paraslash.git] / crypt.h

diff --git a/crypt.h b/crypt.h
index 1ed3985d444e3d6445cb691f6f6478a68e760edb..c430406f3c269b7d23e0d05fd95a8fe01bfe2f8a 100644 (file)
--- a/crypt.h
+++ b/crypt.h
@@ -21,6 +21,17 @@ 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