include/openssl/camellia.h

0001 /*
0002  * Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved.
0003  *
0004  * Licensed under the Apache License 2.0 (the "License").  You may not use
0005  * this file except in compliance with the License.  You can obtain a copy
0006  * in the file LICENSE in the source distribution or at
0007  * https://www.openssl.org/source/license.html
0008  */
0009
0010 #ifndef OPENSSL_CAMELLIA_H
0011 #define OPENSSL_CAMELLIA_H
0012 #pragma once
0013
0014 #include <openssl/macros.h>
0015 #ifndef OPENSSL_NO_DEPRECATED_3_0
0016 #define HEADER_CAMELLIA_H
0017 #endif
0018
0019 #include <openssl/opensslconf.h>
0020
0021 #ifndef OPENSSL_NO_CAMELLIA
0022 #include <stddef.h>
0023 #ifdef __cplusplus
0024 extern "C" {
0025 #endif
0026
0027 #define CAMELLIA_BLOCK_SIZE 16
0028
0029 #ifndef OPENSSL_NO_DEPRECATED_3_0
0030
0031 #define CAMELLIA_ENCRYPT 1
0032 #define CAMELLIA_DECRYPT 0
0033
0034 /*
0035  * Because array size can't be a const in C, the following two are macros.
0036  * Both sizes are in bytes.
0037  */
0038
0039 /* This should be a hidden type, but EVP requires that the size be known */
0040
0041 #define CAMELLIA_TABLE_BYTE_LEN 272
0042 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
0043
0044 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
0045                                                                * with WORD */
0046
0047 struct camellia_key_st {
0048     union {
0049         double d; /* ensures 64-bit align */
0050         KEY_TABLE_TYPE rd_key;
0051     } u;
0052     int grand_rounds;
0053 };
0054 typedef struct camellia_key_st CAMELLIA_KEY;
0055
0056 #endif /* OPENSSL_NO_DEPRECATED_3_0 */
0057 #ifndef OPENSSL_NO_DEPRECATED_3_0
0058 OSSL_DEPRECATEDIN_3_0 int Camellia_set_key(const unsigned char *userKey,
0059     const int bits,
0060     CAMELLIA_KEY *key);
0061 OSSL_DEPRECATEDIN_3_0 void Camellia_encrypt(const unsigned char *in,
0062     unsigned char *out,
0063     const CAMELLIA_KEY *key);
0064 OSSL_DEPRECATEDIN_3_0 void Camellia_decrypt(const unsigned char *in,
0065     unsigned char *out,
0066     const CAMELLIA_KEY *key);
0067 OSSL_DEPRECATEDIN_3_0 void Camellia_ecb_encrypt(const unsigned char *in,
0068     unsigned char *out,
0069     const CAMELLIA_KEY *key,
0070     const int enc);
0071 OSSL_DEPRECATEDIN_3_0 void Camellia_cbc_encrypt(const unsigned char *in,
0072     unsigned char *out,
0073     size_t length,
0074     const CAMELLIA_KEY *key,
0075     unsigned char *ivec,
0076     const int enc);
0077 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb128_encrypt(const unsigned char *in,
0078     unsigned char *out,
0079     size_t length,
0080     const CAMELLIA_KEY *key,
0081     unsigned char *ivec,
0082     int *num,
0083     const int enc);
0084 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb1_encrypt(const unsigned char *in,
0085     unsigned char *out,
0086     size_t length,
0087     const CAMELLIA_KEY *key,
0088     unsigned char *ivec,
0089     int *num,
0090     const int enc);
0091 OSSL_DEPRECATEDIN_3_0 void Camellia_cfb8_encrypt(const unsigned char *in,
0092     unsigned char *out,
0093     size_t length,
0094     const CAMELLIA_KEY *key,
0095     unsigned char *ivec,
0096     int *num,
0097     const int enc);
0098 OSSL_DEPRECATEDIN_3_0 void Camellia_ofb128_encrypt(const unsigned char *in,
0099     unsigned char *out,
0100     size_t length,
0101     const CAMELLIA_KEY *key,
0102     unsigned char *ivec,
0103     int *num);
0104 OSSL_DEPRECATEDIN_3_0
0105 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
0106     size_t length, const CAMELLIA_KEY *key,
0107     unsigned char ivec[CAMELLIA_BLOCK_SIZE],
0108     unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
0109     unsigned int *num);
0110 #endif
0111
0112 #ifdef __cplusplus
0113 }
0114 #endif
0115 #endif
0116
0117 #endif