Version 0.1.10 from FTP

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@396 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/crypto.h

@@ -0,0 +1,71 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Provide cryptographic signature routines
+ * 
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#ifndef _ASTERISK_CRYPTO_H
+#define _ASTERISK_CRYPTO_H
+
+#include <asterisk/channel.h>
+#include <asterisk/file.h>
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+#define AST_KEY_PUBLIC	(1 << 0)
+#define AST_KEY_PRIVATE	(1 << 1)
+
+struct ast_key;
+
+//! Retrieve a key
+/*! 
+ * \param name of the key we are retrieving
+ * \param int type of key (AST_KEY_PUBLIC or AST_KEY_PRIVATE)
+ *
+ * Returns the key on success or NULL on failure
+ */
+extern struct ast_key *ast_key_get(char *key, int type);
+
+//! Initialize keys (that is, retrieve pass codes for all private keys)
+/*!
+ * \param fd a file descriptor for I/O for passwords
+ *
+ */
+extern int ast_key_init(int fd);
+
+//! Check the authenticity of a message signature using a given public key
+/*!
+ * \param key a public key to use to verify
+ * \param msg the message that has been signed
+ * \param sig the proposed valid signature in mime64-like encoding
+ *
+ * Returns 0 if the signature is valid, or -1 otherwise
+ *
+ */
+extern int ast_check_signature(struct ast_key *key, char *msg, char *sig);
+
+/*!
+ * \param key a private key to use to create the signature
+ * \param msg the message to sign
+ * \param sig a pointer to a buffer of at least 256 bytes in which the
+ * mime64-like encoded signature will be stored
+ *
+ * Returns 0 on success or -1 on failure.
+ *
+ */
+extern int ast_sign(struct ast_key *key, char *msg, char *sig);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif