re-instate local md5.[ch] due to issues with linking openssl to GPL code

[l2tpns.git] / md5.h

diff --git a/md5.h b/md5.h
new file mode 100644 (file)
index 0000000..1ff5045
--- /dev/null
+++ b/md5.h
@@ -0,0 +1,28 @@
+/*
+ * This is an OpenSSL-compatible implementation of the RSA Data Security,
+ * Inc. MD5 Message-Digest Algorithm.
+ *
+ * Written by Solar Designer <solar at openwall.com> in 2001, and placed
+ * in the public domain.  See md5.c for more information.
+ */
+
+#ifdef HAVE_OPENSSL
+#include <openssl/md5.h>
+#elif !defined(_MD5_H)
+#define _MD5_H
+
+/* Any 32-bit or wider unsigned integer data type will do */
+typedef unsigned long MD5_u32plus;
+
+typedef struct {
+       MD5_u32plus lo, hi;
+       MD5_u32plus a, b, c, d;
+       unsigned char buffer[64];
+       MD5_u32plus block[16];
+} MD5_CTX;
+
+extern void MD5_Init(MD5_CTX *ctx);
+extern void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size);
+extern void MD5_Final(unsigned char *result, MD5_CTX *ctx);
+
+#endif