Ifdef out the actual code supporting 3des-ctr and blowfish-ctr, since GCC

[u/mdw/putty] / sshdes.c

diff --git a/sshdes.c b/sshdes.c
index de5d35a..034176a 100644 (file)
--- a/sshdes.c
+++ b/sshdes.c
@@ -732,6 +732,7 @@ static void des_cbc3_decrypt(unsigned char *dest, const unsigned char *src,
     scheds->iv1 = iv1;
 }
 
+#ifdef ENABLE_3DES_SSH2_CTR
 static void des_sdctr3(unsigned char *dest, const unsigned char *src,
                             unsigned int len, DESContext * scheds)
 {
@@ -760,6 +761,7 @@ static void des_sdctr3(unsigned char *dest, const unsigned char *src,
     scheds->iv0 = iv0;
     scheds->iv1 = iv1;
 }
+#endif
 
 static void *des3_make_context(void)
 {
@@ -844,11 +846,13 @@ static void des3_ssh2_decrypt_blk(void *handle, unsigned char *blk, int len)
     des_cbc3_decrypt(blk, blk, len, keys);
 }
 
+#ifdef ENABLE_3DES_SSH2_CTR
 static void des3_ssh2_sdctr(void *handle, unsigned char *blk, int len)
 {
     DESContext *keys = (DESContext *) handle;
     des_sdctr3(blk, blk, len, keys);
 }
+#endif
 
 static void des_ssh2_encrypt_blk(void *handle, unsigned char *blk, int len)
 {
@@ -964,7 +968,7 @@ static const struct ssh2_cipher ssh_3des_ssh2 = {
     8, 168, "triple-DES CBC"
 };
 
-#ifndef ENABLE_3DES_SSH2_CTR
+#ifdef ENABLE_3DES_SSH2_CTR
 static const struct ssh2_cipher ssh_3des_ssh2_ctr = {
     des3_make_context, des3_free_context, des3_iv, des3_key,
     des3_ssh2_sdctr, des3_ssh2_sdctr,
@@ -1002,7 +1006,7 @@ static const struct ssh2_cipher ssh_des_sshcom_ssh2 = {
  * builds.
  */
 static const struct ssh2_cipher *const des3_list[] = {
-#ifndef ENABLE_3DES_SSH2_CTR
+#ifdef ENABLE_3DES_SSH2_CTR
     &ssh_3des_ssh2_ctr,
 #endif
     &ssh_3des_ssh2