The C and C++ Include Header Files

/usr/include/openssl/des.h


$ cat -n /usr/include/openssl/des.h

     1	/*
     2	 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
     3	 *
     4	 * Licensed under the Apache License 2.0 (the "License").  You may not use
     5	 * this file except in compliance with the License.  You can obtain a copy
     6	 * in the file LICENSE in the source distribution or at
     7	 * https://www.openssl.org/source/license.html
     8	 */
     9	
    10	#ifndef OPENSSL_DES_H
    11	# define OPENSSL_DES_H
    12	# pragma once
    13	
    14	# include <openssl/macros.h>
    15	# ifndef OPENSSL_NO_DEPRECATED_3_0
    16	#  define HEADER_DES_H
    17	# endif
    18	
    19	# include <openssl/opensslconf.h>
    20	
    21	# ifndef OPENSSL_NO_DES
    22	#  ifdef  __cplusplus
    23	extern "C" {
    24	#  endif
    25	#  include <openssl/e_os2.h>
    26	
    27	#  ifndef OPENSSL_NO_DEPRECATED_3_0
    28	typedef unsigned int DES_LONG;
    29	
    30	#   ifdef OPENSSL_BUILD_SHLIBCRYPTO
    31	#    undef OPENSSL_EXTERN
    32	#    define OPENSSL_EXTERN OPENSSL_EXPORT
    33	#   endif
    34	
    35	typedef unsigned char DES_cblock[8];
    36	typedef /* const */ unsigned char const_DES_cblock[8];
    37	/*
    38	 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and
    39	 * const_DES_cblock * are incompatible pointer types.
    40	 */
    41	
    42	typedef struct DES_ks {
    43	    union {
    44	        DES_cblock cblock;
    45	        /*
    46	         * make sure things are correct size on machines with 8 byte longs
    47	         */
    48	        DES_LONG deslong[2];
    49	    } ks[16];
    50	} DES_key_schedule;
    51	
    52	#   define DES_KEY_SZ      (sizeof(DES_cblock))
    53	#   define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
    54	
    55	#   define DES_ENCRYPT     1
    56	#   define DES_DECRYPT     0
    57	
    58	#   define DES_CBC_MODE    0
    59	#   define DES_PCBC_MODE   1
    60	
    61	#   define DES_ecb2_encrypt(i,o,k1,k2,e) \
    62	        DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
    63	
    64	#   define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
    65	        DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
    66	
    67	#   define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
    68	        DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
    69	
    70	#   define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
    71	        DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
    72	
    73	#   define DES_fixup_key_parity DES_set_odd_parity
    74	#  endif
    75	#  ifndef OPENSSL_NO_DEPRECATED_3_0
    76	OSSL_DEPRECATEDIN_3_0 const char *DES_options(void);
    77	OSSL_DEPRECATEDIN_3_0
    78	void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
    79	                      DES_key_schedule *ks1, DES_key_schedule *ks2,
    80	                      DES_key_schedule *ks3, int enc);
    81	OSSL_DEPRECATEDIN_3_0
    82	DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output,
    83	                       long length, DES_key_schedule *schedule,
    84	                       const_DES_cblock *ivec);
    85	#  endif
    86	/* DES_cbc_encrypt does not update the IV!  Use DES_ncbc_encrypt instead. */
    87	#  ifndef OPENSSL_NO_DEPRECATED_3_0
    88	OSSL_DEPRECATEDIN_3_0
    89	void DES_cbc_encrypt(const unsigned char *input, unsigned char *output,
    90	                     long length, DES_key_schedule *schedule, DES_cblock *ivec,
    91	                     int enc);
    92	OSSL_DEPRECATEDIN_3_0
    93	void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output,
    94	                      long length, DES_key_schedule *schedule, DES_cblock *ivec,
    95	                      int enc);
    96	OSSL_DEPRECATEDIN_3_0
    97	void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output,
    98	                      long length, DES_key_schedule *schedule, DES_cblock *ivec,
    99	                      const_DES_cblock *inw, const_DES_cblock *outw, int enc);
   100	OSSL_DEPRECATEDIN_3_0
   101	void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
   102	                     long length, DES_key_schedule *schedule, DES_cblock *ivec,
   103	                     int enc);
   104	OSSL_DEPRECATEDIN_3_0
   105	void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
   106	                     DES_key_schedule *ks, int enc);
   107	#  endif
   108	
   109	/*
   110	 * This is the DES encryption function that gets called by just about every
   111	 * other DES routine in the library.  You should not use this function except
   112	 * to implement 'modes' of DES.  I say this because the functions that call
   113	 * this routine do the conversion from 'char *' to long, and this needs to be
   114	 * done to make sure 'non-aligned' memory access do not occur.  The
   115	 * characters are loaded 'little endian'. Data is a pointer to 2 unsigned
   116	 * long's and ks is the DES_key_schedule to use.  enc, is non zero specifies
   117	 * encryption, zero if decryption.
   118	 */
   119	#  ifndef OPENSSL_NO_DEPRECATED_3_0
   120	OSSL_DEPRECATEDIN_3_0
   121	void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc);
   122	#  endif
   123	
   124	/*
   125	 * This functions is the same as DES_encrypt1() except that the DES initial
   126	 * permutation (IP) and final permutation (FP) have been left out.  As for
   127	 * DES_encrypt1(), you should not use this function. It is used by the
   128	 * routines in the library that implement triple DES. IP() DES_encrypt2()
   129	 * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()
   130	 * DES_encrypt1() DES_encrypt1() except faster :-).
   131	 */
   132	#  ifndef OPENSSL_NO_DEPRECATED_3_0
   133	OSSL_DEPRECATEDIN_3_0
   134	void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc);
   135	OSSL_DEPRECATEDIN_3_0
   136	void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2,
   137	                  DES_key_schedule *ks3);
   138	OSSL_DEPRECATEDIN_3_0
   139	void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2,
   140	                  DES_key_schedule *ks3);
   141	OSSL_DEPRECATEDIN_3_0
   142	void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
   143	                          long length, DES_key_schedule *ks1,
   144	                          DES_key_schedule *ks2, DES_key_schedule *ks3,
   145	                          DES_cblock *ivec, int enc);
   146	OSSL_DEPRECATEDIN_3_0
   147	void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
   148	                            long length, DES_key_schedule *ks1,
   149	                            DES_key_schedule *ks2, DES_key_schedule *ks3,
   150	                            DES_cblock *ivec, int *num, int enc);
   151	OSSL_DEPRECATEDIN_3_0
   152	void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out,
   153	                          int numbits, long length, DES_key_schedule *ks1,
   154	                          DES_key_schedule *ks2, DES_key_schedule *ks3,
   155	                          DES_cblock *ivec, int enc);
   156	OSSL_DEPRECATEDIN_3_0
   157	void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out,
   158	                            long length, DES_key_schedule *ks1,
   159	                            DES_key_schedule *ks2, DES_key_schedule *ks3,
   160	                            DES_cblock *ivec, int *num);
   161	OSSL_DEPRECATEDIN_3_0
   162	char *DES_fcrypt(const char *buf, const char *salt, char *ret);
   163	OSSL_DEPRECATEDIN_3_0
   164	char *DES_crypt(const char *buf, const char *salt);
   165	OSSL_DEPRECATEDIN_3_0
   166	void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
   167	                     long length, DES_key_schedule *schedule, DES_cblock *ivec);
   168	OSSL_DEPRECATEDIN_3_0
   169	void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
   170	                      long length, DES_key_schedule *schedule,
   171	                      DES_cblock *ivec, int enc);
   172	OSSL_DEPRECATEDIN_3_0
   173	DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[],
   174	                        long length, int out_count, DES_cblock *seed);
   175	OSSL_DEPRECATEDIN_3_0 int DES_random_key(DES_cblock *ret);
   176	OSSL_DEPRECATEDIN_3_0 void DES_set_odd_parity(DES_cblock *key);
   177	OSSL_DEPRECATEDIN_3_0 int DES_check_key_parity(const_DES_cblock *key);
   178	OSSL_DEPRECATEDIN_3_0 int DES_is_weak_key(const_DES_cblock *key);
   179	#  endif
   180	/*
   181	 * DES_set_key (= set_key = DES_key_sched = key_sched) calls
   182	 * DES_set_key_checked
   183	 */
   184	#  ifndef OPENSSL_NO_DEPRECATED_3_0
   185	OSSL_DEPRECATEDIN_3_0
   186	int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule);
   187	OSSL_DEPRECATEDIN_3_0
   188	int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule);
   189	OSSL_DEPRECATEDIN_3_0
   190	int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule);
   191	OSSL_DEPRECATEDIN_3_0
   192	void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule);
   193	OSSL_DEPRECATEDIN_3_0 void DES_string_to_key(const char *str, DES_cblock *key);
   194	OSSL_DEPRECATEDIN_3_0
   195	void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2);
   196	OSSL_DEPRECATEDIN_3_0
   197	void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
   198	                       long length, DES_key_schedule *schedule,
   199	                       DES_cblock *ivec, int *num, int enc);
   200	OSSL_DEPRECATEDIN_3_0
   201	void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out,
   202	                       long length, DES_key_schedule *schedule,
   203	                       DES_cblock *ivec, int *num);
   204	#  endif
   205	
   206	#  ifdef  __cplusplus
   207	}
   208	#  endif
   209	# endif
   210	
   211	#endif