-void BF_set_key(BF_KEY *key, int len, const unsigned char *data);
-
-void BF_encrypt(BF_LONG *data, const BF_KEY *key);
-void BF_decrypt(BF_LONG *data, const BF_KEY *key);
-
-void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
- const BF_KEY *key, int enc);
-void BF_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
- const BF_KEY *schedule, unsigned char *ivec, int enc);
-void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, const BF_KEY *schedule,
- unsigned char *ivec, int *num, int enc);
-void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, const BF_KEY *schedule,
- unsigned char *ivec, int *num);
-const char *BF_options(void);
+# endif /* OPENSSL_NO_DEPRECATED_3_0 */
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+OSSL_DEPRECATEDIN_3_0 void BF_set_key(BF_KEY *key, int len,
+ const unsigned char *data);
+OSSL_DEPRECATEDIN_3_0 void BF_encrypt(BF_LONG *data, const BF_KEY *key);
+OSSL_DEPRECATEDIN_3_0 void BF_decrypt(BF_LONG *data, const BF_KEY *key);
+OSSL_DEPRECATEDIN_3_0 void BF_ecb_encrypt(const unsigned char *in,
+ unsigned char *out, const BF_KEY *key,
+ int enc);
+OSSL_DEPRECATEDIN_3_0 void BF_cbc_encrypt(const unsigned char *in,
+ unsigned char *out, long length,
+ const BF_KEY *schedule,
+ unsigned char *ivec, int enc);
+OSSL_DEPRECATEDIN_3_0 void BF_cfb64_encrypt(const unsigned char *in,
+ unsigned char *out,
+ long length, const BF_KEY *schedule,
+ unsigned char *ivec, int *num,
+ int enc);
+OSSL_DEPRECATEDIN_3_0 void BF_ofb64_encrypt(const unsigned char *in,
+ unsigned char *out,
+ long length, const BF_KEY *schedule,
+ unsigned char *ivec, int *num);
+OSSL_DEPRECATEDIN_3_0 const char *BF_options(void);
+# endif