1 files changed, 36 insertions, 18 deletions

diff --git a/src/lib/libcrypto/des/str2key.c b/src/lib/libcrypto/des/str2key.c
index c6abb87201..36c3f81d99 100644
--- a/src/lib/libcrypto/des/str2key.c
+++ b/src/lib/libcrypto/des/str2key.c
@@ -58,9 +58,9 @@
 
 #include "des_locl.h"
 
-void des_string_to_key(const char *str, des_cblock *key)
+void DES_string_to_key(const char *str, DES_cblock *key)
         {
-        des_key_schedule ks;
+        DES_key_schedule ks;
         int i,length;
         register unsigned char j;
 
@@ -85,16 +85,22 @@ void des_string_to_key(const char *str, des_cblock *key)
                         }
                 }
 #endif
-        des_set_odd_parity(key);
-        des_set_key_unchecked(key,ks);
-        des_cbc_cksum((const unsigned char*)str,key,length,ks,key);
-        memset(ks,0,sizeof(ks));
-        des_set_odd_parity(key);
+        DES_set_odd_parity(key);
+#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
+        if(DES_is_weak_key(key))
+            (*key)[7] ^= 0xF0;
+        DES_set_key(key,&ks);
+#else
+        DES_set_key_unchecked(key,&ks);
+#endif
+        DES_cbc_cksum((const unsigned char*)str,key,length,&ks,key);
+        memset(&ks,0,sizeof(ks));
+        DES_set_odd_parity(key);
         }
 
-void des_string_to_2keys(const char *str, des_cblock *key1, des_cblock *key2)
+void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2)
         {
-        des_key_schedule ks;
+        DES_key_schedule ks;
         int i,length;
         register unsigned char j;
 
@@ -143,13 +149,25 @@ void des_string_to_2keys(const char *str, des_cblock *key1, des_cblock *key2)
                 }
         if (length <= 8) memcpy(key2,key1,8);
 #endif
-        des_set_odd_parity(key1);
-        des_set_odd_parity(key2);
-        des_set_key_unchecked(key1,ks);
-        des_cbc_cksum((const unsigned char*)str,key1,length,ks,key1);
-        des_set_key_unchecked(key2,ks);
-        des_cbc_cksum((const unsigned char*)str,key2,length,ks,key2);
-        memset(ks,0,sizeof(ks));
-        des_set_odd_parity(key1);
-        des_set_odd_parity(key2);
+        DES_set_odd_parity(key1);
+        DES_set_odd_parity(key2);
+#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
+        if(DES_is_weak_key(key1))
+            (*key1)[7] ^= 0xF0;
+        DES_set_key(key1,&ks);
+#else
+        DES_set_key_unchecked(key1,&ks);
+#endif
+        DES_cbc_cksum((const unsigned char*)str,key1,length,&ks,key1);
+#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
+        if(DES_is_weak_key(key2))
+            (*key2)[7] ^= 0xF0;
+        DES_set_key(key2,&ks);
+#else
+        DES_set_key_unchecked(key2,&ks);
+#endif
+        DES_cbc_cksum((const unsigned char*)str,key2,length,&ks,key2);
+        memset(&ks,0,sizeof(ks));
+        DES_set_odd_parity(key1);
+        DES_set_odd_parity(key2);
         }