Remove EVP_CHECK_DES_KEY

Thanks to the OpenBSD community for bringing this to our attention.
Reviewed-by: NRich Salz <rsalz@openssl.org>

CHANGES

@@ -3,6 +3,8 @@
  _______________
 
  Changes between 1.0.2 and 1.1.0  [xx XXX xxxx]
+  *) Remove EVP_CHECK_DES_KEY, a compile-time option that never compiled.
+     [Emilia Käsper]
 
   *) Removed DES and RC4 ciphersuites from DEFAULT. Also removed RC2 although
      in 1.0.2 EXPORT was already removed and the only RC2 ciphersuite is also

crypto/evp/e_des.c

@@ -241,12 +241,7 @@ static int des_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
         }
     }
 # endif
-# ifdef EVP_CHECK_DES_KEY
-    if (DES_set_key_checked(deskey, dat->ks.ks) != 0)
-        return 0;
-# else
     DES_set_key_unchecked(deskey, ctx->cipher_data);
-# endif
     return 1;
 }
 

crypto/evp/e_des3.c

@@ -269,14 +269,8 @@ static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
         }
     }
 # endif
-# ifdef EVP_CHECK_DES_KEY
-    if (DES_set_key_checked(&deskey[0], &dat->ks1)
-        || DES_set_key_checked(&deskey[1], &dat->ks2))
-        return 0;
-# else
     DES_set_key_unchecked(&deskey[0], &dat->ks1);
     DES_set_key_unchecked(&deskey[1], &dat->ks2);
-# endif
     memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1));
     return 1;
 }
@@ -302,16 +296,9 @@ static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
         }
     }
 # endif
-# ifdef EVP_CHECK_DES_KEY
-    if (DES_set_key_checked(&deskey[0], &dat->ks1)
-        || DES_set_key_checked(&deskey[1], &dat->ks2)
-        || DES_set_key_checked(&deskey[2], &dat->ks3))
-        return 0;
-# else
     DES_set_key_unchecked(&deskey[0], &dat->ks1);
     DES_set_key_unchecked(&deskey[1], &dat->ks2);
     DES_set_key_unchecked(&deskey[2], &dat->ks3);
-# endif
     return 1;
 }