lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 |