X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/033b4cef1e52d65786b00df47f57361b96ca4321..bace54316e12bf47756c5c53cd97baf533d95db5:/sshdes.c

diff --git a/sshdes.c b/sshdes.c
index 1c82193c..1be340c4 100644
--- a/sshdes.c
+++ b/sshdes.c
@@ -1,7 +1,4 @@
 #include <assert.h>
-#include <stdarg.h> /* FIXME */
-#include <windows.h> /* FIXME */
-#include "putty.h" /* FIXME */
 #include "ssh.h"
 
 
@@ -769,6 +766,30 @@ static void des3_ssh2_decrypt_blk(unsigned char *blk, int len) {
     des_cbc3_decrypt(blk, blk, len, sckeys);
 }
 
+void des3_decrypt_pubkey(unsigned char *key,
+                         unsigned char *blk, int len) {
+    DESContext ourkeys[3];
+    des_key_setup(GET_32BIT_MSB_FIRST(key),
+                  GET_32BIT_MSB_FIRST(key+4), &ourkeys[0]);
+    des_key_setup(GET_32BIT_MSB_FIRST(key+8),
+                  GET_32BIT_MSB_FIRST(key+12), &ourkeys[1]);
+    des_key_setup(GET_32BIT_MSB_FIRST(key),
+                  GET_32BIT_MSB_FIRST(key+4), &ourkeys[2]);
+    des_3cbc_decrypt(blk, blk, len, ourkeys);
+}
+
+void des3_encrypt_pubkey(unsigned char *key,
+                         unsigned char *blk, int len) {
+    DESContext ourkeys[3];
+    des_key_setup(GET_32BIT_MSB_FIRST(key),
+                  GET_32BIT_MSB_FIRST(key+4), &ourkeys[0]);
+    des_key_setup(GET_32BIT_MSB_FIRST(key+8),
+                  GET_32BIT_MSB_FIRST(key+12), &ourkeys[1]);
+    des_key_setup(GET_32BIT_MSB_FIRST(key),
+                  GET_32BIT_MSB_FIRST(key+4), &ourkeys[2]);
+    des_3cbc_encrypt(blk, blk, len, ourkeys);
+}
+
 struct ssh_cipher ssh_3des_ssh2 = {
     NULL,
     des3_csiv, des3_cskey,