1 /* 2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (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 HEADER_CAMELLIA_H 11 # define HEADER_CAMELLIA_H 12 13 # include <openssl/opensslconf.h> 14 15 # ifndef OPENSSL_NO_CAMELLIA 16 # include <stddef.h> 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 # define CAMELLIA_ENCRYPT 1 22 # define CAMELLIA_DECRYPT 0 23 24 /* 25 * Because array size can't be a const in C, the following two are macros. 26 * Both sizes are in bytes. 27 */ 28 29 /* This should be a hidden type, but EVP requires that the size be known */ 30 31 # define CAMELLIA_BLOCK_SIZE 16 32 # define CAMELLIA_TABLE_BYTE_LEN 272 33 # define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4) 34 35 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match 36 * with WORD */ 37 38 struct camellia_key_st { 39 union { 40 double d; /* ensures 64-bit align */ 41 KEY_TABLE_TYPE rd_key; 42 } u; 43 int grand_rounds; 44 }; 45 typedef struct camellia_key_st CAMELLIA_KEY; 46 47 int Camellia_set_key(const unsigned char *userKey, const int bits, 48 CAMELLIA_KEY *key); 49 50 void Camellia_encrypt(const unsigned char *in, unsigned char *out, 51 const CAMELLIA_KEY *key); 52 void Camellia_decrypt(const unsigned char *in, unsigned char *out, 53 const CAMELLIA_KEY *key); 54 55 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out, 56 const CAMELLIA_KEY *key, const int enc); 57 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out, 58 size_t length, const CAMELLIA_KEY *key, 59 unsigned char *ivec, const int enc); 60 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out, 61 size_t length, const CAMELLIA_KEY *key, 62 unsigned char *ivec, int *num, const int enc); 63 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out, 64 size_t length, const CAMELLIA_KEY *key, 65 unsigned char *ivec, int *num, const int enc); 66 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out, 67 size_t length, const CAMELLIA_KEY *key, 68 unsigned char *ivec, int *num, const int enc); 69 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out, 70 size_t length, const CAMELLIA_KEY *key, 71 unsigned char *ivec, int *num); 72 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out, 73 size_t length, const CAMELLIA_KEY *key, 74 unsigned char ivec[CAMELLIA_BLOCK_SIZE], 75 unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE], 76 unsigned int *num); 77 78 # ifdef __cplusplus 79 } 80 # endif 81 # endif 82 83 #endif 84