-#define des_ecb2_encrypt(i,o,k1,k2,e) \
- des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
-
-#define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
- des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
-
-#define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
- des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
-
-#define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
- des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
-
-#define C_Block des_cblock
-#define Key_schedule des_key_schedule
-#ifdef KERBEROS
-#define ENCRYPT DES_ENCRYPT
-#define DECRYPT DES_DECRYPT
-#endif
-#define KEY_SZ DES_KEY_SZ
-#define string_to_key des_string_to_key
-#define read_pw_string des_read_pw_string
-#define random_key des_random_key
-#define pcbc_encrypt des_pcbc_encrypt
-#define set_key des_set_key
-#define key_sched des_key_sched
-#define ecb_encrypt des_ecb_encrypt
-#define cbc_encrypt des_cbc_encrypt
-#define ncbc_encrypt des_ncbc_encrypt
-#define xcbc_encrypt des_xcbc_encrypt
-#define cbc_cksum des_cbc_cksum
-#define quad_cksum des_quad_cksum
-
-/* For compatibility with the MIT lib - eay 20/05/92 */
-typedef des_key_schedule bit_64;
-#define des_fixup_key_parity des_set_odd_parity
-#define des_check_key_parity check_parity
-
-extern int des_check_key; /* defaults to false */
-extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
-extern int des_set_weak_key_flag; /* set the weak key flag */
-
-#ifndef NOPROTO
-const char *des_options(void);
-void des_ecb3_encrypt(const des_cblock input, des_cblock output,
- des_key_schedule ks1,des_key_schedule ks2,
- des_key_schedule ks3, int enc);
-DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock output,
- long length,des_key_schedule schedule,
- const des_cblock ivec);
-void des_cbc_encrypt(const unsigned char *input,unsigned char *output,
- long length,des_key_schedule schedule,des_cblock ivec,
+#define DES_ecb2_encrypt(i,o,k1,k2,e) \
+ DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
+
+#define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
+ DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
+
+#define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
+ DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
+
+#define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
+ DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
+
+OPENSSL_DECLARE_GLOBAL(int,DES_check_key); /* defaults to false */
+#define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
+OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode); /* defaults to DES_PCBC_MODE */
+#define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode)
+
+const char *DES_options(void);
+void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
+ DES_key_schedule *ks1,DES_key_schedule *ks2,
+ DES_key_schedule *ks3, int enc);
+DES_LONG DES_cbc_cksum(const unsigned char *input,DES_cblock *output,
+ long length,DES_key_schedule *schedule,
+ const_DES_cblock *ivec);
+/* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
+void DES_cbc_encrypt(const unsigned char *input,unsigned char *output,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec,