New Makefile structure; added compatibility with Windows + Visual C + nmake.

[BearSSL] / tools / brssl.h

diff --git a/tools/brssl.h b/tools/brssl.h
index cf1cea3..8c84b04 100644 (file)
--- a/tools/brssl.h
+++ b/tools/brssl.h
@@ -211,6 +211,23 @@ extern const hash_function hash_functions[];
  */
 unsigned parse_hash_functions(const char *arg);
 
+/*
+ * Get a curve name (by ID). If the curve ID is not known, this returns
+ * NULL.
+ */
+const char *get_curve_name(int id);
+
+/*
+ * Get a curve name (by ID). The name is written in the provided buffer
+ * (zero-terminated). If the curve ID is not known, the name is
+ * "unknown (***)" where "***" is the decimal value of the identifier.
+ * If the name does not fit in the provided buffer, then dst[0] is set
+ * to 0 (unless len is 0, in which case nothing is written), and -1 is
+ * returned. Otherwise, the name is written in dst[] (with a terminating
+ * 0), and this function returns 0.
+ */
+int get_curve_name_ext(int id, char *dst, size_t len);
+
 /*
  * Type for a known cipher suite.
  */
@@ -270,6 +287,11 @@ const char *get_suite_name(unsigned suite);
  */
 int get_suite_name_ext(unsigned suite, char *dst, size_t len);
 
+/*
+ * Tell whether a cipher suite uses ECDHE key exchange.
+ */
+int uses_ecdhe(unsigned suite);
+
 /*
  * Print out all known names (for protocol versions, cipher suites...).
  */
@@ -453,13 +475,17 @@ const char *find_error_name(int err, const char **comment);
  * Run a SSL engine, with a socket connected to the peer, and using
  * stdin/stdout to exchange application data.
  *
+ * To help with Win32 compatibility, the socket descriptor is provided
+ * as an "unsigned long" value.
+ *
  * Returned value:
  *    0        SSL connection closed successfully
  *    x > 0    SSL error "x"
  *   -1        early socket close
  *   -2        stdout was closed, or something failed badly
  */
-int run_ssl_engine(br_ssl_engine_context *eng, int fd, unsigned flags);
+int run_ssl_engine(br_ssl_engine_context *eng,
+       unsigned long fd, unsigned flags);
 
 #define RUN_ENGINE_VERBOSE     0x0001  /* enable verbose messages */
 #define RUN_ENGINE_TRACE       0x0002  /* hex dump of records */