OpenSSL is now required to build. Implement a SHA256 interface. Log chat as SHA256.

2 files changed, 33 insertions, 0 deletions

diff --git a/src/common/md5calc.c b/src/common/md5calc.c
index 3f9ccdc41..bbace132b 100644
--- a/src/common/md5calc.c
+++ b/src/common/md5calc.c
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <openssl/sha.h>
 
 /** @file
  * Implementation of the md5 interface.
@@ -259,6 +260,29 @@ static void md5_salt(int len, char *output)
 
 }
 
+/*******************************************************************************/
+// SHA256 wrappers [TMW2]
+void sha256_hash_string (unsigned char hash[SHA256_DIGEST_LENGTH], char outputBuffer[65])
+{
+    int i = 0;
+
+    for(i = 0; i < SHA256_DIGEST_LENGTH; i++)
+    {
+        sprintf(outputBuffer + (i * 2), "%02x", hash[i]);
+    }
+
+    outputBuffer[64] = 0;
+}
+
+void sha256_hash (const char* message, char* outputBuffer)
+{
+	unsigned char obuf[SHA256_DIGEST_LENGTH];
+	SHA256((const unsigned char*)(message), strlen(message), obuf);
+	sha256_hash_string(obuf, outputBuffer);
+}
+
+/*******************************************************************************/
+
 /**
  * Interface base initialization.
  */
@@ -268,4 +292,6 @@ void md5_defaults(void)
 	md5->binary = md5_buf2binary;
 	md5->string = md5_string;
 	md5->salt = md5_salt;
+	md5->sha256 = sha256_hash;
 }
+
diff --git a/src/common/md5calc.h b/src/common/md5calc.h
index bd06f1fbc..26e4fa567 100644
--- a/src/common/md5calc.h
+++ b/src/common/md5calc.h
@@ -55,6 +55,13 @@ struct md5_interface {
 	 * @param[out] output The output buffer (at least len bytes available).
 	 */
 	void (*salt) (int len, char *output);
+
+	/**
+	 * Generates a sha256 hash
+	 */
+	void (*sha256) (const char* message, char* outputBuffer);
+
+
 };
 
 #ifdef HERCULES_CORE